Mount Martha

SA2

Greater Melbourne / Mornington Peninsula

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Data Sources ABSValuer GeneralRental BoardACARA Newest Oct 2026 · Refreshed ABS QuickStats 214021382 How we calculate this
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Statistical Area (SA2) Boundary Analysis

This analysis uses ABS Statistical Areas Level 2 (SA2) boundaries, which can materially differ from Suburbs and Localities (SAL) even when sharing similar names.

SA2 boundaries are defined by the Australian Bureau of Statistics and are designed to represent communities for statistical reporting (e.g., census and ERP).

Suburbs and Localities (SAL) represent commonly-used suburb/locality names (postal-style areas) and may use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.

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Sales ActivityProperty Sales Trends in Mount Martha

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DemographicsPopulation Growth in Mount Martha

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Mount Martha has an estimated 20,161 residents, up from 19,846 at the 2021 Census — a change of 315 people, or 1.6%. 104 new addresses have been validated here since Census night. That puts 667 residents on each square kilometre. Population is estimated from ABS Estimated Resident Population releases and GNAF address data, re-based from the 2021 Census and updated annually.

Detail

According to demographic evaluations by AreaSearch, the resident population of Mount Martha stands at approximately 20,161 as of Aug 2026. This represents an addition of 315 residents (1.6%) relative to the 2021 Census tally of 19,846 people. This updated figure is derived from the June 2025 ABS estimated resident population of 20,161 alongside 104 validated new addresses recorded post-census. The resulting population density is 667 persons per square kilometer, indicating low-density living conditions and available capacity for future expansion. The community's 1.6% post-census growth rate trails the broader SA3 benchmark (2.0%) by merely 0.4 percentage points, highlighting solid demographic momentum.

Net overseas arrivals served as the primary contributor to local population expansion, accounting for virtually all inbound growth in recent times. SA2-level projections utilized by AreaSearch stem from the 2024 ABS/Geoscience Australia datasets using 2022 as their baseline. Where SA2 coverage is absent, figures incorporate 2023 VIC State Government Regional/LGA projections converted via weighted aggregation from LGA down to SA2 boundaries. Age-cohort growth trends derived from these aggregated series are likewise applied to all locations for the 2032 to 2041 period. Looking ahead, the statistical area is slated for demographic gains surpassing the national median, with forward-looking ERP estimates indicating an expansion of 3,085 persons through to 2041, representing a cumulative 16-year increase of 15.3%.

Frequently Asked Questions - Population

What is the latest population estimate for the Mount Martha SA2?
Total population for the Mount Martha SA2 was estimated to be approximately 20,161 as at Aug 26. This is based upon an estimated resident population of 20,161 from the ABS up to June 2025.
How has the population in the Mount Martha SA2 changed since 2021?
The mount martha sa2 has added approximately 315 people and shown a 1.59% increase from the 19,846 people recorded at the 2021 Census period.
What is the population density in the Mount Martha SA2?
The population density in the Mount Martha SA2 is estimated at 667 persons per square kilometer based on the latest population estimate.
How much has the population grown over the past 10 years in the Mount Martha SA2?
Over the past 10 years, the population in the Mount Martha SA2 has shown a compound annual growth rate of 0.6% per annum.
What are the main drivers of population growth in the Mount Martha SA2?
Population growth in the Mount Martha SA2 is driven by: Overseas migration (100.0%), Natural increase (0.0%), Interstate migration (0.0%). The primary driver is Overseas migration, contributing 100.0% of overall population gains.

Residential SupplyHousing Development & Building Approvals in Mount Martha

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321 new dwellings have been approved in Mount Martha over the past five years, an average of 64 a year. That is 3.2 approvals per 1,000 residents. Of the 64 dwellings approved in the latest reporting year, 77% were detached houses and the rest townhouses or apartments. Figures come from ABS building approvals aggregated to this SA2 boundary and are updated monthly as the ABS releases them.

Detail

Residential building approvals in Mount Martha have averaged approximately 64 dwellings annually, accumulating to 321 dwellings over the last 5 financial years. With merely 0.3 new residents added per approved dwelling annually between FY-22 and FY-26, housing creation has outpaced demographic expansion, widening options for buyers and accommodating faster population growth than currently projected. The mean construction cost for these new dwellings stands at $1,074,000, underscoring a prominent orientation toward upscale, higher-tier residential projects. Additionally, commercial building approvals have reached $10.1 million during this financial year, reflecting a moderate pace of non-residential building.

Per capita building volume in Mount Martha reaches approximately 65% of the Greater Melbourne average and places the suburb in the 30th percentile among nationally tracked locations, constraining new supply and bolstering buyer interest in established homes. This subdued pipeline sits below the national benchmark, reflecting the mature character of the neighborhood alongside potential zoning and planning boundaries. Detached houses account for 77.0% of recent approvals, while attached housing forms 23.0%, reinforcing the dominant low-density environment that appeals to buyers seeking larger allotments. The presence of roughly 475 people per approved dwelling highlights an exceptionally tranquil, low-intensity development climate. According to the latest quarterly forecasts from AreaSearch, Mount Martha's community is set to expand by 3,085 persons through to 2041. Given the prevailing pace of construction, local dwelling completions could lag behind demand, creating tighter market conditions and upward price momentum.

Frequently Asked Questions - Development

How many dwelling approvals have occurred in the Mount Martha SA2 recently?
Dwelling approval activity in the the Mount Martha SA2 area has seen 86 residential approvals over the past two financial years, based on AreaSearch's SA2 aggregation method. The Mount Martha SA2's current population of 20,161 has been supported by 64 approvals on average over recent years.
How does the Mount Martha SA2's development activity compare to the broader region?
The Mount Martha SA2 has seen 0.32 approvals per 100 people in recent years, compared to 0.86 approvals in the broader region. This means that one dwelling has been approved for every 475 people in the Mount Martha SA2, compared to one for every 121 in the broader region.
Is the Mount Martha SA2 keeping up with housing demand?
With the population expected to increase by 3,085 people by 2041, around 1,543 new dwellings will be necessary. Recent approval levels may be insufficient to meet these forecasts, considering the census average of 2.0 persons per dwelling. This indicates potential housing shortages if current approval trends continue.
What has been the trend in development approvals over the past five years in the Mount Martha SA2?
Looking at development activity over the past five years, the Mount Martha SA2's approval levels have been significantly below the yearly average of 64, showing a notable downturn in recent development.
How many dwellings will be needed to accommodate future population growth in the Mount Martha SA2?
The population in the Mount Martha SA2 is expected to grow by 3,085 people by 2041, necessitating approximately 1,543 new dwellings. This calculation is based on the current census average of 2.0 persons per dwelling in the area.
How does recent development compare to population growth in the Mount Martha SA2?
Over the past five years, the population in the Mount Martha SA2 has grown by approximately 7,668 people, while 321 residential approvals were recorded. This equates to a ratio of 23.9 people added for each new dwelling approval. This high ratio suggests strong population growth relative to housing supply, potentially indicating unmet housing demand.
Are there opportunities for residential developers in the Mount Martha SA2?
With dwelling approval activity running at an average of 64 approvals per year and a population of 20,161, there appears to be a supply shortfall relative to projected demand, presenting strong opportunities for residential developers. With the population expected to increase by 3,085 people by 2041, around 1,543 new dwellings will be necessary. Current approval trends may be insufficient to meet forecast demand, indicating strong development opportunities.
Approvals Pipeline Development applications near Mount Martha

Development applications around Mount Martha

Development approvals is a new addition to AreaSearch. We’re actively expanding council coverage and refining the dataset — details and statuses for some councils may be partial. Check back regularly for the latest pipeline.
Application search is not available in Victoria. AreaSearch holds 295 applications for Mount Martha, but they are a record of past activity rather than a current register. Victoria has no state-wide planning portal and its council coverage is uneven, so we have switched the search off here rather than return partial answers. We are currently investigating a solution. No credits are charged for Victorian applications, and building approvals from the ABS and the major projects we track are unaffected.

SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.

Project PipelineInfrastructure & Major Projects in Mount Martha

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AreaSearch tracks 8 current infrastructure and development projects inside Mount Martha, worth an estimated $119 million. A further 125 sit in the immediately surrounding suburbs, taking the tracked pipeline within reach of the area to $13.8 billion. 26 are already under construction and 59 are due for completion within three years. The pipeline spans residential development, communities, precincts & urban renewal and transport & logistics. Records are compiled from Infrastructure Australia, state agencies, council planning portals and public announcements, reviewed and updated daily, then ranked by proximity, construction stage, completion horizon and project scale.

Detail

Local growth and property market conditions are heavily influenced by the progression of public capital works and community planning schemes. AreaSearch has identified 7 specific projects with the potential to influence the local area. Among the key developments are the Mount Martha North Foreshore Toilet Renewal, the Briars Wildlife Sanctuary Expansion, the Briars Class A Recycled Water Project, and the Mount Martha Village Parking and Footpath Upgrade, Watson Road, with further detail outlined in the summary schedule.

Professional plan users can use the search below to filter and access additional projects.

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Frequently Asked Questions - Infrastructure

What are some of the major infrastructure and planning changes likely to influence the Mount Martha SA2?
Key infrastructure and planning changes likely to influence the Mount Martha SA2 include: Mount Martha North Foreshore Toilet Renewal (Planning); Briars Wildlife Sanctuary Expansion (Construction); Briars Class A Recycled Water Project (Construction); Mount Martha Village Parking and Footpath Upgrade, Watson Road (Planning); and Forest Drive and Nepean Highway Intersection Upgrade (Completed). These projects represent significant developments that will shape the area's future infrastructure landscape.
What types of infrastructure projects are impacting the Mount Martha SA2?
Infrastructure development impacting the Mount Martha SA2 spans multiple sectors including Transport & Logistics, Residential Development, and Communities, Precincts & Urban Renewal, among others.
What is the scale of infrastructure investment impacting the Mount Martha SA2?
Infrastructure investment analysis indicates significant investment of approximately $194 million in infrastructure projects affecting the region, with a notable concentration of investment within the immediate the Mount Martha SA2 vicinity.
How does the Mount Martha SA2's infrastructure development compare to other areas?
Infrastructure development activity impacting the Mount Martha SA2 currently ranks below national averages at the 38thth percentile.
Briars Wildlife Sanctuary Expansion
Category: Tourism
Stage: Construction | Est. Comp: 2026
Source / Links: Link 1   Link 2  

Expansion of the Briars Wildlife Sanctuary in Mount Martha from 90 to 130 hectares, jointly funded by the Victorian Government Regional Tourism Investment Fund and Mornington Peninsula Shire at a 3:1 ratio. Key deliverables include 2.5km of additional predator-proof fencing, 7,000+ indigenous plant installations, an accessible 2.5km connecting trail network, boardwalk maintenance, interpretive and wayfinding signage, and a main access road upgrade. The project also supports the Ark Program for reintroduction of locally endangered and extinct species, including the Mount Martha Bundy tree and southern brown bandicoots.A heritage homestead restoration (separately funded at $950,000) is also underway, with reopening to the public anticipated in 2026. Future sanctuary phases will include Wildlife Wonders and Sanctuary Dreaming overnight Indigenous-led experiences.

Tourism

Martha's Point Retirement Village Expansion
Category: Health & Medical
Stage: Under Assessment | Est. Comp: 2028
Source / Links: Link 1   

Keyton has lodged an amendment to an existing approved development at Martha's Point Retirement Village. The proposal replaces a previously approved 180-bed aged care facility with a 32-villa retirement village extension, including a community building, landscaped open space, pedestrian links and supporting amenities. The amendment is currently under assessment by Mornington Peninsula Shire following public exhibition.

Health & Medical

Mount Martha North Foreshore Toilet Renewal
Category: Sports & Recreation
Stage: Planning | Est. Comp: 2026
Source / Links: Link 1   Link 2  

Renewal of toilet facilities including accessible car parking, paving, picnic facilities, and landscaping to meet community needs sustainably at Mount Martha North Foreshore.

Sports & Recreation

Briars Class A Recycled Water Project
Category: Environmental & Disaster Management
Stage: Planning | Est. Comp: 0
Source / Links: Link 1   Link 2  

Capital works project to supply Class A recycled water to The Briars conservation park at Mount Martha, reducing reliance on potable water for land pastures and irrigation. South East Water will supply and maintain pipeline infrastructure connecting to storage tanks at The Briars under a commercial agreement with Mornington Peninsula Shire. Stage one delivers the pipeline from the Mt Martha Water Recycling Plant to support the Green Dreaming regenerative agriculture and horticultural demonstration project, wildlife sanctuary expansion, and a vineyard test site.Stage two extends the pipeline across Nepean Highway to irrigate Mace Oval, Ferrero Oval, Citation Oval, and the Shire Cemetery. Total pipeline capacity is 200 megalitres per year. The project has been placed on hold pending completion of a Cultural Heritage Management Plan (CHMP) following the discovery of culturally significant artefacts near the site.

Environmental & Disaster Management

Mount Martha Village Parking and Footpath Upgrade, Watson Road
Category: Communities, Precincts & Urban Renewal
Stage: Planning | Est. Comp: 2025
Source / Links: Link 1   Link 2  

Upgrade of the Mount Martha village area including improvements to parking facilities and footpath renewal along Watson Road to enhance community access, pedestrian safety, and village amenity.

Communities, Precincts & Urban Renewal

Forest Drive and Nepean Highway Intersection Upgrade
Category: Transport & Logistics
Stage: Completed | Est. Comp: 2025
Source / Links: Link 1   Link 2  

Intersection upgrade including installation of new traffic lights, widened lanes, pedestrian crossings, bike lane improvements with green surfacing, upgraded bus stops with new shelters and platforms, vehicle pick-up and drop-off area, flashing advance warning signs, safety barriers, and landscaping works. The project addresses safety concerns following 10 crashes in 10 years including one fatality.

Transport & Logistics

Saltwater Estate
Category: Residential Development
Stage: Completed | Est. Comp: 2025
Source / Links: Link 1   

Boutique residential development featuring 47 homes with 2, 3 and 4 bedroom designs, communal BBQ area, ample parking, and pedestrian access. Includes turn-key inclusions package with stainless steel appliances, Caesar stone benchtops, split system air conditioning, and quality landscaping in a premium Mount Martha location.

Residential Development

Saltwater Mount Martha
Category: Residential Development
Stage: Completed | Est. Comp: 2024

Saltwater Mount Martha is a boutique residential townhouse development situated within proximity to Bentons Square Shopping Centre. The project delivered modern multi-storey townhouses featuring open-plan living, private courtyards, Caesarstone finishes, and landscaped surrounds. Construction was finalized with residences sold off-the-plan and occupied.

Residential Development

Jobs & IndustryEmployment Trends in Mount Martha

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10,395 residents of Mount Martha are employed, from a labour force of 10,565. Unemployment sits at 1.6%, with participation at 62.8%. Weighted for its industry mix, the area's sectors are forecast to grow about 6.6% nationally over five years. That reflects industry composition only and makes no allowance for local population growth. The working-day population is estimated at 16,462, about 82% of the resident population, so more people leave the area for work than travel in. Unemployment and labour force come from ABS Small Area Labour Markets, updated quarterly; the industry and occupation profile is from the 2021 Census.

Detail

Mount Martha features a highly educated labor force with strong representation in essential service industries and a very low unemployment rate of 1.6%, alongside relatively stable employment conditions throughout the previous year. As of March 2026, the number of residents employed stands at 10,395, while the local unemployment rate sits at 3.2% below the Greater Melbourne average of 4.8%. Despite this positive outlook, workforce participation lags considerably behind the metro area, reaching only 62.8% compared to Greater Melbourne's 70.1%. Census data reveals that a substantial 31.1% of residents engage in remote work, although the lingering effects of Covid-19 lockdowns should be taken into account when interpreting these figures.

The primary employment sectors among local workers comprise health care & social assistance, construction, alongside education & training. Construction represents a major local specialization, engaging workers at 1.4 times the regional proportion. Conversely, the transport, postal & warehousing industry is less prominent, employing only 2.1% of local workers versus 5.2% across Greater Melbourne. Given its predominantly residential profile, the locality generates fewer on-site jobs relative to its residing workforce, as demonstrated by the variance between local working and residential populations in Census figures. AreaSearch assessment of ABS and SALM figures indicates that over the 12 months to March 2026, the local workforce grew by 0.4% while total employed persons rose by 0.3%, maintaining a stable unemployment level. By comparison, Greater Melbourne recorded a 2.1% lift in employment, a 2.3% expansion in the labour pool, and a 0.2 percentage points increase in joblessness. Jobs and Skills Australia projections from Mar-26 provide additional context regarding future employment trends across five- and ten-year time horizons. Nationally, employment is anticipated to expand by 6.6% across five years and 13.7% over ten years, with performance varying widely across sectors. Applying these national sector trajectories to the local occupational breakdown points to an expected increase in local resident employment of 6.6% over five years and 13.6% over ten years (representing a weighted baseline model for illustration rather than a localized population forecast).

Frequently Asked Questions - Employment

What is the employment situation in the Mount Martha SA2?
As of March 2026, the Mount Martha SA2 has approximately 10,395 employed residents with an unemployment rate of 1.6%. This very low unemployment rate indicates a tight labour market with strong demand for workers. The area ranks in the top 25% nationally for employment performance, indicating a robust job market.
How does the Mount Martha SA2's unemployment rate compare to the broader region?
As of March 2026, the unemployment rate in the Mount Martha SA2 stands at 1.6%, which is 3.2 percentage points below Greater Melbourne's rate of 4.8%. This lower unemployment rate suggests stronger local employment conditions. For comparison, the national unemployment rate is 4.2%.
What are the major employment sectors in the Mount Martha SA2?
The employment landscape in the Mount Martha SA2 is dominated by several key sectors. The largest employers are health care & social assistance (14.9% of employment), construction (13.5%), and education & training (11.1%). Other significant employers include retail trade and professional & technical.
How has employment changed recently in the Mount Martha SA2?
Over the past year to March 2026, the Mount Martha SA2 has experienced employment growth, with total employment increasing while the labour force increased. As a result, the unemployment rate has rise. By comparison, Greater Melbourne saw employment increased and its unemployment rate rose.
What is the workforce participation rate in the Mount Martha SA2?
The workforce participation rate in the Mount Martha SA2 is 62.8%, which represents the proportion of working-age residents who are either employed or actively seeking work. This healthy participation rate reflects good employment opportunities and workforce engagement. The local rate trailing the Greater Melbourne average of 70.1%, suggesting potential for increased workforce participation.
Which industries are over-represented in the Mount Martha SA2's employment market?
The mount martha sa2 shows notable specialization in construction, which employs 13.5% of the local workforce compared to 9.7% regionally. This moderate specialization indicates some local strength in the sector.
What are the employment growth prospects for the Mount Martha SA2?
Based on Jobs and Skills Australia projections applied to the Mount Martha SA2's industry mix, employment is expected to grow by 6.6% over the next five years and 13.6% over ten years. This exceeds the national forecast of 6.6% over five years, suggesting the area's industry composition is well-positioned for future growth. Steady growth is anticipated across multiple sectors, providing diverse employment opportunities.
How does the job market in the Mount Martha SA2 compare nationally?
The mount martha sa2's employment market shows strong performance nationally, ranking in the top 25% of areas assessed by AreaSearch. This indicates robust employment conditions and economic vitality compared to other regions. Recent job advertisement trends show the broader employment region saw a 8.9% decline, ranking 34.0th out of 37 regions nationally.
What employment opportunities exist for skilled workers in the Mount Martha SA2?
Skilled workers will find good opportunities in the Mount Martha SA2, with skilled sectors accounting for 38.2% of employment. Key sectors for skilled workers include health care & social assistance (14.9%), education & training (11.1%), and professional & technical (8.2%). With projected employment growth of 6.6% over five years, demand for skilled workers is expected to remain strong.

EarningsHousehold Income in Mount Martha

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Median household income in Mount Martha is $2,097 a week (about $109,000 a year), with median personal income at $846 a week. ATO records put median taxable income at $56,136 a year against an average of $86,735. The average runs 55% above the median, a wider spread than most areas and a sign of a concentrated group of high earners. Household income is from the 2021 Census; taxable income is from ATO Taxation Statistics for the latest financial year available, indexed forward using the ABS Wage Price Index.

Detail

ATO taxation statistics for financial year 2023 aggregated by AreaSearch indicate that the median income among Mount Martha SA2 taxpayers reached $56,136, with the average income standing at $86,735. These figures place the area well above national benchmarks, while across Greater Melbourne the corresponding median was $57,688 and the average was $75,164. Factoring in a 9.62% increase in the Wage Price Index since financial year 2023, updated estimates suggest a median of $61,536 and an average of $95,079 as of March 2026. Data from the 2021 Census ranks the area's personal, family, and household earnings around the 65th percentile across the country.

Weekly earnings of $1,500 - 2,999 form the largest local group, encompassing 29.7% of residents (5,987 people) compared to 32.8% across the broader region, while an impressive 32.4% receive weekly incomes exceeding $3,000. Residents retain 86.7% of their earnings once mortgage and rental obligations are met, underscoring strong disposable income, while the local SEIFA score places the community in the 8th decile.

Frequently Asked Questions - Income

What is the median taxable income in the Mount Martha SA2?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the Mount Martha SA2 is approximately $61,536. The official ATO data from FY-23 recorded a median of $56,136.
What is the average taxable income in the Mount Martha SA2?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the Mount Martha SA2 is approximately $95,079. The official ATO data from FY-23 recorded an average of $86,735.
How does the median taxable income in the Mount Martha SA2 compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the Mount Martha SA2 is approximately $61,536 compared to $63,238 in Greater Melbourne. The official ATO data from FY-23 shows $56,136 and $57,688 respectively.
How does the average taxable income in the Mount Martha SA2 compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the Mount Martha SA2 is approximately $95,079 compared to $82,395 in Greater Melbourne. The official ATO data from FY-23 shows $86,735 and $75,164 respectively.
What are the main income cohorts in the Mount Martha SA2 according to the 2021 Census?
As per the 2021 Census, the income bracket containing the largest proportion (~29.7% / 5,987 persons) of the Mount Martha SA2's population is the $1,500 - 2,999 cohort.
How do the main income cohorts in the Mount Martha SA2 compare to the region?
The largest income cohort in the Mount Martha SA2 is the $1,500 - 2,999 group, representing about 29.7% of the population. In comparison, Greater Melbourne's largest income cohort is the $1,500 - 2,999 group, representing 32.8% of its population, according to the 2021 Census.
What is the median household income in the Mount Martha SA2 according to the 2021 Census?
The 2021 Census data indicates that the median household income in the Mount Martha SA2 is $2,097/wk.
What is the median family income in the Mount Martha SA2 according to the 2021 Census?
According to the 2021 Census, the median family income in the Mount Martha SA2 is $2,481/wk.
What is the median personal income in the Mount Martha SA2 according to the 2021 Census?
The 2021 Census shows that the median personal income in the Mount Martha SA2 is $846/wk.
How does the Mount Martha SA2's income rank nationally?
AreaSearch's latest postcode level ATO data for FY-23 reveals that income in the Mount Martha SA2 is among the highest in Australia, with the median assessed at $56,136 while the average income stands at $86,735. This contrasts to Greater Melbourne's figures of a median income of $57,688 and an average income of $75,164. Based on Wage Price Index growth of 9.62% since FY-23, current estimates would be approximately $61,536 (median) and $95,079 (average) as of March 2026.
What is the disposable income in the Mount Martha SA2?
The estimated disposable income in the Mount Martha SA2 is $7,876 per year according to AreaSearch analysis.
How does the Mount Martha SA2's disposable income compare to the region?
The mount martha sa2's disposable income is $7,876 compared to $6,948 for Greater Melbourne, based on AreaSearch analysis.

Housing StockHousing & Dwellings in Mount Martha

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Mount Martha had 7,022 occupied dwellings at the 2021 Census, 84% detached houses and 0% apartments. 44% are owned with a mortgage, 13% rented and 44% owned outright. At that Census the median rent was $496 a week and the median mortgage repayment $2,167 a month. Rent absorbs 23.7% of household income here and mortgage repayments 23.8%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.

Detail

According to the most recent Census, the local housing stock in Mount Martha consisted of 84.3% separate houses and 15.7% multi-unit, attached, or alternative dwellings, compared against 67.9% standalone houses and 32.1% higher-density dwellings across the Melbourne metropolitan area. Outright home ownership stood at 43.9%, well above metropolitan levels, with the remaining tenure distributed between mortgaged properties (43.5%) and rental housing (12.5%). Typical monthly mortgage commitments in the locality were $2,167 compared to $2,000 across metropolitan Melbourne, whereas median weekly rents sat at $496 against the metropolitan benchmark of $390.

Relative to Australia-wide figures, local mortgage outlays are higher than the national median of $1,863, and rental payments comfortably exceed the national standard of $375.

Frequently Asked Questions - Housing

What percentage of homes are owned vs rented in the Mount Martha SA2?
In the Mount Martha SA2, 43.9% of homes are owned outright, 43.5% are owned with a mortgage, and 12.5% are rented.
What percentage of dwellings in the Mount Martha SA2 are houses?
According to the latest data, 84.3% of dwellings in the Mount Martha SA2 are houses.
What percentage of dwellings in the Mount Martha SA2 are apartments or units?
In the Mount Martha SA2, 0.3% of dwellings are apartments or units, with an additional 15.4% being semi-detached dwellings.
What is the level of outright home ownership in the Mount Martha SA2?
Outright home ownership in the Mount Martha SA2 stands at 43.9%, compared to 30.7% in Greater Melbourne.
What is the median monthly mortgage repayment in the Mount Martha SA2?
The median monthly mortgage repayment in the Mount Martha SA2 is $2,167, compared to $2,000 in Greater Melbourne.
What is the median weekly rent in the Mount Martha SA2?
The median weekly rent in the Mount Martha SA2 is $496, compared to $390 in Greater Melbourne.
What is the distribution of rental prices in the Mount Martha SA2?
In the Mount Martha SA2, 1.5% of rentals are $0-149/week, 10.2% are $150-349/week, 69.1% are $350-649/week, 15.7% are $650-949/week, and 3.6% are $950+/week.
What is the average monthly housing cost in the Mount Martha SA2?
The aggregate monthly housing cost in the Mount Martha SA2 is $1,211, which represents the average monthly cost across all housing types.
What percentage of income do residents spend on housing in the Mount Martha SA2?
In the Mount Martha SA2, households with mortgages typically spend 23.8% of their income on mortgage repayments, while renters spend 23.7% of their income on rent.
How crowded are homes in the Mount Martha SA2?
The average persons per bedroom ratio in the Mount Martha SA2 is 0.7, indicating the level of household density.
How does housing affordability in the Mount Martha SA2 compare to the region?
Housing affordability in the Mount Martha SA2 shows mortgage holders spending 23.8% of income on repayments (vs 24.3% regionally), while renters spend 23.7% of income on rent (vs 20.5% regionally).
What types of dwellings are most common in the Mount Martha SA2?
The dwelling mix in the Mount Martha SA2 consists of 84.3% detached houses, 15.4% semi-detached dwellings, 0.3% apartments, and 0.0% other dwelling types.
What is the weighted average housing cost based on tenure mix in the Mount Martha SA2?
Based on the area's tenure composition, the weighted average monthly housing cost is approximately $1,211. This accounts for outright owners paying no housing costs, mortgage holders paying $2,167/month, and renters paying $2,148/month.
How affordable is housing in the Mount Martha SA2 relative to local incomes?
Housing in Mount Martha consumes approximately 13.3% of median household income ($9,080 monthly), indicating costs are highly affordable. The generally accepted benchmark is that housing should not exceed 30% of household income.
How do proposed developments compare to existing housing types in the Mount Martha SA2?
Recent development applications in Mount Martha show attached dwellings contributing 2% of approvals compared to 16% of existing stock, while detached houses represent 98% of applications versus 84% of current dwellings. This suggests development patterns consistent with existing housing mix. Housing density growth is around the national average.

HouseholdsHousehold Composition in Mount Martha

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Mount Martha counted 7,022 households at the 2021 Census, averaging 2.7 people each. 38% are couples with children, against 31% couples without children. 21% of households are people living alone, and families average 1.8 children. Household and family composition is measured only by the Census, so these are 2021 figures.

Detail

Family arrangements constitute 78.2% of households locally, made up of couples with children (37.5%), couples without children (31.1%), and single parent families (9.1%). The remaining 21.8% consist of non-family living arrangements, primarily lone person households at 20.8% alongside group households at 1.0%. The local median household size stands at 2.7 people, marginally higher than the Greater Melbourne median of 2.6.

Frequently Asked Questions - Households

How many households are in the Mount Martha SA2?
As of the 2021 Census, the Mount Martha SA2 had 7,022 households. Based on population growth patterns, this has grown by approximately 1.6% to an estimated 7,133 households today.
What is the typical household size?
The median household size in the Mount Martha SA2 is 2.7 people. This compares to 2.6 in Greater Melbourne and reflects the area's household composition mix.
What types of households are most common?
Family households dominate at 78.2% of all households. The remaining households consist of lone person households (20.8%), group households (1.0%), and other household types (0.0%).
How are families structured in the area?
Among the 5,491 family households, 37.5% are couples with children, 31.1% are couples without children at home, and 9.1% are single parent families. This mix shapes local demand for schools, family services, and housing types.
How does the Mount Martha SA2 compare to regional household patterns?
Compared to Greater Melbourne, the Mount Martha SA2 shows distinct household patterns. Family households are notably over-represented at 78.2% (versus 70.9% regionally). This family-oriented profile influences local demand for family homes, schools, and children's services.
What is the average family size?
Families in the Mount Martha SA2 have an average of 1.8 children, slightly above the Greater Melbourne average of 1.4. This influences local demand for child-related services and larger family homes.
What are the marriage patterns in the Mount Martha SA2?
Marriage patterns reveal 56.4% of the adult population are currently married, while 26.4% have never married. This compares to 47.0% married and 38.0% never married across Greater Melbourne.
How significant are single-person households?
Single-person households represent 20.8% of all households in the Mount Martha SA2, similar to the regional average of 24.8%. This affects demand for smaller dwellings and single-person accommodation.
Are shared living arrangements common?
Group households (unrelated people sharing) account for 1.0% of households, well below the Greater Melbourne average of 4.3%. This low rate suggests limited student or young professional shared accommodation.
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EducationSchools & Education in Mount Martha

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29.3% of adults in Mount Martha hold a university qualification, including 20.1% with a bachelor degree and 5.3% with postgraduate qualifications, higher than 85% of areas nationally. A further 21.8% hold a vocational qualification. 4 schools serve the area, with 2,189 enrolment places and an average ICSEA of 1,089 against a national benchmark of 1,000. Qualifications come from the 2021 Census; school enrolments, ICSEA and results come from ACARA's current release.

Detail

Tertiary attainment levels in Mount Martha sit below broader metropolitan standards, with 29.3% of individuals aged 15+ possessing a university degree versus 37.0% throughout Greater Melbourne, indicating scope for further educational expansion. Bachelor-level credentials represent the largest university-qualified group at 20.1%, with postgraduate degrees accounting for 5.3% and graduate diplomas comprising 3.9%. In contrast, vocational and trade training is widespread, with 36.2% of residents aged 15+ holding technical qualifications, including 21.8% with certificates and 14.4% holding advanced diplomas. Community participation in formal study is strong, with 29.9% of local residents actively engaged in an educational course.

Primary school attendees account for 10.9% of the population, secondary students represent 9.7%, and 3.9% of locals are enrolled in tertiary education.

Frequently Asked Questions - Education

What percentage of people in the Mount Martha SA2 have university qualifications?
29.3% of people aged 15 and over in the Mount Martha SA2 have university qualifications, compared to 37.0% in the broader region.
What percentage of people in the Mount Martha SA2 have no formal qualifications?
34.4% of people aged 15 and over in the Mount Martha SA2 have no formal qualifications, compared to 35.2% regionally.
How does the Mount Martha SA2's education level compare to national averages?
The mount martha sa2 ranks in the 85th percentile nationally for education based on AreaSearch's analysis of qualification and performance metrics.
What types of qualifications are most common in the Mount Martha SA2?
The most common qualifications in the Mount Martha SA2 are: Certificate (21.8%), Bachelor Degree (20.1%), Advanced Diploma (14.4%).
What proportion of the Mount Martha SA2's population is currently attending educational institutions?
29.9% of the population in the Mount Martha SA2 is currently engaged in formal education, with 10.9% in primary school, 9.7% in secondary school, 3.9% at university.
What is the ICSEA score for schools in the Mount Martha SA2?
The average ICSEA (Index of Community Socio-Educational Advantage) score for schools in the Mount Martha SA2 is 1089, indicating average socio-educational advantage (national average is 1000).
How many schools are located within the Mount Martha SA2?
There are 4 schools within the Mount Martha SA2, with a combined enrollment of approximately 2,189 students.
What types of schools are available in the Mount Martha SA2?
The mount martha sa2 includes 2 primary schools, 1 secondary school, 1 combined school.

Schools Detail

AmenitiesServices & Amenities in Mount Martha

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Getting AroundTransport & Commuting in Mount Martha

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Public transport in Mount Martha reaches 78 stops on 4 routes, timetabled for about 1,900 services a week. The typical home sits about 340 m from its nearest stop. Buses carry the largest share of public transport commuters. Households keep an average of 1.7 vehicles. Stop and service counts are built from operators' published GTFS timetables and refresh with each timetable release; vehicle ownership is from the 2021 Census.

Detail

The public transit network within Mount Martha encompasses 78 stops operating across local bus routes. These stops are served by 4 distinct bus routes providing a total of 1,920 weekly scheduled trips. Local transit accessibility is favourable, with residents situated an average of 341 meters from their closest boarding point. Commuters predominantly travel out of the area for employment, with private motor vehicles being the main travel method at 95%. Vehicle ownership averages 1.7 cars per private dwelling, exceeding the regional baseline. Furthermore, 31.1% of employed persons were working from home at the time of the 2021 Census, a figure subject to the context of pandemic restrictions.

Transit services operate at an overall frequency of 274 scheduled trips per day across the network, translating to roughly 24 departures per stop each week.

Frequently Asked Questions - Transport

How many public transport stops are in Mount Martha?
There are 78 public transport stops within the Mount Martha SA2.
How frequent are the transport services in Mount Martha?
the Mount Martha SA2 has 1,920 weekly trips across 4 routes, averaging 274 trips per day.
How far are residents from public transport in Mount Martha?
On average, residential properties are 341 meters from the nearest transport stop.

Transport Stops Detail

HealthcareHealth Services in Mount Martha

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67.7% of residents in Mount Martha report no long-term health condition. 4.9% need daily assistance with core activities, and 63.3% hold private health cover. The standardised death rate runs at 3.9 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.

Detail

Evaluation of morbidity and mortality statistics by AreaSearch demonstrates favourable health indicators across Mount Martha, featuring a below-average incidence of chronic illnesses across the overall populace and rates near national norms for senior cohorts. Private health insurance participation is elevated, covering approximately 63% of the resident community (12,761 people), which surpasses both the Greater Melbourne mark of 56.7% and the Australian benchmark of 55.7%. Arthritis and asthma are the most prevalent reported conditions locally, diagnosed in 9.1 and 7.7% of the populace respectively, while 67.7% of residents reported no chronic ailments, compared to 72.6% regionally.

Health standards among residents under 65 outperform broader averages. Residents aged 65 and over account for 27.1% of the community (5,465 people), substantially exceeding the Greater Melbourne proportion of 15.1%. While senior health outcomes remain above typical benchmarks, their comparative national standing is lower than that of younger local age brackets.

Frequently Asked Questions - Health

How many people in the Mount Martha SA2 have private health insurance?
Around 63.3% of people in the Mount Martha SA2 are covered by private health insurance, which compares to 56.7% in the broader region of Greater Melbourne.
What percentage of the population requires ongoing medical assistance in the Mount Martha SA2?
In the Mount Martha SA2, 4.9% of the population is identified as requiring ongoing medical assistance. This figure is slightly different from the regional average, where 5.5% of people in Greater Melbourne require similar assistance.
How prevalent is asthma in the Mount Martha SA2?
7.7% of people in the Mount Martha SA2 are diagnosed with asthma. In comparison, 7.3% of the population across Greater Melbourne is affected by asthma.
What percentage of people have diabetes in the Mount Martha SA2?
Diabetes affects 3.3% of the the Mount Martha SA2 population, while in the surrounding region, 4.1% of people are diagnosed with diabetes.
What is the percentage of people with heart disease in the Mount Martha SA2?
4.4% of people in the Mount Martha SA2 have heart disease. Across the region of Greater Melbourne, 3.1% of the population is affected by heart disease.
How does the Mount Martha SA2 compare to the region in terms of overall private health coverage?
In the Mount Martha SA2, 63.3% of the population are estimated to have private health insurance. Comparatively, Greater Melbourne sees an estimated private health coverage rate of 56.7%.

Ancestry & LanguageCultural Diversity in Mount Martha

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Mount Martha is largely Australian-born, at 79.1% of residents, with 5.1% speaking a language other than English at home. The largest reported ancestries are English (34.1%) and Australian (25.8%). Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.

Detail

Mount Martha exhibits lower cultural diversity relative to broader metropolitan norms, with Australian-born residents making up 79.1% of the population, Australian citizens comprising 91.2%, and 94.9% communicating exclusively in English at home. Christianity represents the leading faith, adhered to by 47.1% of the local population. Meanwhile, the Jewish community represents 0.3% of the local population, compared to 1.0% across Greater Melbourne. Parental heritage records indicate that English ancestry is the most common background in Mount Martha at 34.1%, notably exceeding the 20.1% regional baseline, followed by Australian ancestry at 25.8% (against 18.4% regionally) and Irish background at 9.7%.

Further notable ancestral representations include Scottish heritage at 9.5% (versus 5.6% across Greater Melbourne), Dutch heritage at 1.9% (versus 1.2%), and Welsh heritage at 0.7% (versus 0.4%).

Frequently Asked Questions - Diversity

What is the level of cultural diversity in the Mount Martha SA2?
Mount Martha was found to be below average in terms of cultural diversity, with 79.1% of its population born in Australia, 91.2% being citizens, and 94.9% speaking English only at home.
What is the most common religion in the Mount Martha SA2?
The main religion in Mount Martha was found to be Christianity, which makes up 47.1% of people in Mount Martha. However, the most apparent overrepresentation was in Judaism, which comprises 0.3% of the population, compared to 1.0% across Greater Melbourne.
What are the top countries of origin in the Mount Martha SA2?
In terms of ancestry (country of birth of parents), the top three represented groups in Mount Martha are English, comprising 34.1% of the population, which is substantially higher than the regional average of 20.1%, Australian, comprising 25.8% of the population, which is substantially higher than the regional average of 18.4%, and Irish, comprising 9.7% of the population. Additionally, there are notable divergences in the representation of certain other ethnic groups: Scottish is notably overrepresented at 9.5% of Mount Martha (vs 5.6% regionally), Dutch at 1.9% (vs 1.2%) and Welsh at 0.7% (vs 0.4%).
How does the percentage of people born overseas compare to the regional average?
20.9% of the the Mount Martha SA2 population was born overseas, compared to 37.3% regionally.
What percentage of the the Mount Martha SA2 population speaks a language other than English at home?
5.1% of the population in the Mount Martha SA2 speaks a language other than English at home, compared to 35.9% in the wider region.
How many people in the Mount Martha SA2 identify as Australian Aboriginal?
0.4% of the the Mount Martha SA2 population identifies as Australian Aboriginal, compared to 0.5% in the region.
What is the citizenship status of the population in the Mount Martha SA2?
91.2% of the the Mount Martha SA2 population holds citizenship, compared to 81.1% in the wider region.

Age StructureAge Profile of Mount Martha

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The median resident of Mount Martha is 46, older than 81% of areas nationally. 18.7% of residents are aged 15 to 34. Age cohorts are not raw Census counts: the Census split is re-based to the latest ABS population estimates and state projections.

Detail

The demographic profile of Mount Martha is heavily weighted towards older demographics compared to the surrounding region. As of August 2026 estimates, seniors and retirees aged 65+ make up 27.1% of all residents, compared to 15.1% across Greater Melbourne, while young to middle-aged adults aged 25 - 44 constitute just 14.0%, in contrast to the regional average of 32.1%. The estimated median age in August 2026 is 46, matching the 2021 Census figure and sitting 9 years above the Greater Melbourne median of 37 and well above the national median of 38 recorded in the same Census.

Since the Census, the senior and retiree demographic has expanded from 23.8% to 27.1%. Projections to 2041 anticipate that the 65+ age category will absorb the majority of local population gains, growing by 2,712 residents (50%) to 8,178, whereas younger adult and child cohorts are expected to decrease.

Frequently Asked Questions - Age

What is the median age in the Mount Martha SA2?
AreaSearch estimates the median age in the Mount Martha SA2 at 46 years as at August 2026. That is in line with the 2021 Census figure of 46 years, on an age profile AreaSearch re-estimates for population change recorded since the Census.
How does the Mount Martha SA2's median age compare to broader areas?
At an estimated 46 years as at August 2026, Mount Martha is 9 years older than the Greater Melbourne 2021 Census average (37 years) and 8 years older than the national Census average (38 years).
What age groups are over-represented in the Mount Martha SA2?
On AreaSearch estimates updated to August 2026, the most over-represented age group in the Mount Martha SA2 compared to the Greater Melbourne region is the 75 - 84 group, making up 10.9% of the population.
What age groups are under-represented in the Mount Martha SA2?
On AreaSearch estimates updated to August 2026, the most under-represented age group in the Mount Martha SA2 compared to the Greater Melbourne region is the 25 - 34 group, making up 4.7% of the population.
Are there age groups with notable population variances?
Yes, certain age groups in the Mount Martha SA2 show significant variance compared to the Greater Melbourne region. The most over-represented age groups are 75-84 year-olds (10.9% vs 5.2%) and 85+ year-olds (3.7% vs 2.1%). The most under-represented age groups are 25-34 year-olds (4.7% vs 16.4%) and 35-44 year-olds (9.3% vs 15.7%).
What is the percentage of children (0-14 years) in the Mount Martha SA2?
AreaSearch estimates children aged 0-14 years at 16.5% of the population in the Mount Martha SA2 as at August 2026.
What is the percentage of older people (65+ years) in the Mount Martha SA2?
AreaSearch estimates people aged 65 and over at 27.1% of the population in the Mount Martha SA2 as at August 2026.

Data & MethodBoundaries, Sources & Method for Mount Martha

Data currency Refreshed

9 of 14 data sections on this page were updated within the last 12 months — the newest current to Oct 2026.

Everything is aggregated to the SA2 boundary shown above, on a 2021 Census baseline. Only 3 sections — housing, households and cultural diversity — still wait on the 2026 Census.

The ledger — source, cycle and currency by section

Section Source & update cycle Currency
Updated within the last 12 months 9 sections
Population ABS, GNAF, Geoscience Australia Annual (ABS ERP) Aug 2026 2 months ago headline measures · 2021 Census baseline
Re-based to the ABS Estimated Resident Population (June 2025 release) and updated with new dwellings from GNAF address data. Current to Aug 2026, with the 2021 Census supplying the small-area baseline.
Age profile ABS, Geoscience Australia, State governments Annual Aug 2026 2 months ago headline measures · 2021 Census baseline
Age cohorts are re-based to the latest ABS population estimates and state projections, current to Aug 2026. Each cohort is held as a Census baseline and a current estimate.
Development & approvals ABS, GNAF Monthly (ABS approvals) Aug 2026 2 months ago headline measures · Jul 2026 baseline
Property sales & rents Valuer General, Rental Board, ABS Weekly sales, quarterly rents Oct 2026 this month headline measures · Sep 2026 baseline
Sales from the state Valuer General register, refreshed weekly, and rents from quarterly rental bond lodgements. Both are read live each time this page loads, current to Oct 2026.
Infrastructure projects Infrastructure Australia, State agencies, Local governments Daily Sep 2026 last month all 8 projects tracked here
Project pipeline maintained continuously from Infrastructure Australia, state agencies, local government and public announcements. Records are added and revised daily; this area was last updated Sep 2026.
Employment ABS, DEWR, JSA Quarterly (ABS SALM) Mar 2026 7 months ago headline measures · 2021 Census baseline
Unemployment and labour force from ABS Small Area Labour Markets, current to Mar 2026. The growth outlook applies Department of Employment (now Jobs and Skills Australia) forecasts for all 19 industry divisions to the local industry mix, so it measures sector composition rather than local expansion and makes no allowance for population growth. Job demand comes from the same agency via its Internet Vacancy Index; industry and occupation structure from the 2021 Census.
Education ABS, ACARA Annual (ACARA) Sep 2026 last month headline measures · 2021 Census baseline
Transport ABS, State Transport Departments Each timetable release Jul 2026 3 months ago headline measures · 2021 Census baseline
Services & amenities Provider directories, ACECQA Continuous Sep 2026 last month all 14 measures
Annual and financial-year sources 2 sections
Income ABS, ATO Annual (ATO) FY 2023 3 years ago headline measures · 2021 Census baseline
ATO taxable income statistics for FY 2023, indexed forward using the Wage Price Index. Census household income provides the distribution detail.
Health ABS, ATO Annual 2024 2 years ago headline measures · 2021 Census baseline
Census-measured — next update: 2026 Census 3 sections No more current small-area source exists for these, so they are labelled as Census-measured rather than implied to be current.
Housing ABS 5-yearly (Census) 2021 Census next update 2026 all 30 measures
Households ABS 5-yearly (Census) 2021 Census next update 2026 all 18 measures
Cultural diversity ABS, Geoscience Australia 5-yearly (Census) 2021 Census next update 2026 all 44 measures

"Currency" is the most recent release feeding that section. Where the Census supplies the structural baseline underneath a current headline figure, the row says so.

How the numbers are built

Population

The Census provides the small-area baseline, aggregated from mesh blocks to this boundary. It is then re-based to the ABS Estimated Resident Population (June 2025 release), and new dwellings built since Census night are counted from address data — 104 validated new addresses here. The headline figure is therefore a current estimate for Aug 2026, not a 2021 count (19,846 at the 2021 Census → 20,161 now). Annual growth rates are compound (CAGR), not simple averages.

Age profile

Cohort shares are not raw Census counts. Every cohort is held as a pair — the Census baseline and a current estimate — and the split is re-based using ERP and state population projections, current to Aug 2026. Median age is the Census median plus modelled change since. Charts that show both are labelled "2021 Census vs Current Estimate".

Property sales

Sourced from the state valuation authority's sales register — current, not Census, and refreshed weekly. Medians are calculated from settled transactions in the period shown; periods with very low transaction counts are flagged or suppressed, because a handful of sales can move a median substantially.

Rents

Derived from state rental bond lodgement data, by dwelling type and bedroom count. Bonds are lodged at the start of a new tenancy, so this reflects new lettings, not the whole rented stock.

Development & infrastructure

Building approvals come from current ABS releases; development applications are collected from council and state planning portals; the infrastructure pipeline is compiled from Infrastructure Australia and local government sources. Applications are matched to this boundary by address or coordinates, so very recent lodgements may not yet appear.

Employment & income

Industry and occupation structure comes from the Census, but the headline labour-market indicators do not. Unemployment and labour force are derived from ABS Small Area Labour Markets (quarterly). The employment outlook applies Department of Employment forecasts for all 19 industry divisions to this area's own industry mix (the agency is now Jobs and Skills Australia), as does the Internet Vacancy Index used for job demand. Because it is weighted on industry composition alone, that outlook carries no allowance for local population growth — in fast-growing areas the real rise in local jobs will typically be higher. Income combines Census household income with ATO taxable-income statistics for FY 2023, indexed forward using the Wage Price Index.

Education, transport & amenities

School enrolments, ICSEA and performance come from ACARA's current release, not the Census. Public transport stops and service frequency are derived from GTFS timetable feeds published by state transport departments. Services and amenities are proximity and count scores built from provider directories, refreshed on their own cycle. The Census contributes only the travel-to-work and qualification measures.

Rankings and benchmarks. Where we rank this area, the comparison set is every area of the same boundary type — suburbs against suburbs, SA2s against SA2s. Benchmarks compare this area against its greater capital city region and the national figure for the same measure and period.

Limits worth knowing. Small areas carry larger error margins, and the ABS introduces small random adjustments to Census counts to protect confidentiality — so totals may not sum exactly. Estimates re-based from regional data describe the area's expected trajectory, not a direct count of it. Figures are indicative for research and are not financial, planning or valuation advice.

Cross-check us. The Census baseline for this boundary is at ABS 2021 Census QuickStats (214021382). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.

Common questions about this page

Why can the Mount Martha SA2 boundary differ from the suburb boundary?
This page uses ABS Statistical Area Level 2 (SA2) boundaries for statistical reporting (e.g., census and ERP). SA2 areas can differ materially from Suburbs and Localities (SAL) boundaries, even when they share similar names, because they are defined for different purposes and often use different geographic boundaries.
Where does the data on this Mount Martha page come from?
AreaSearch compiles this page from official and industry sources — including ABS, Geoscience Australia, Valuer General, Provider directories, DEWR, JSA, State Transport Departments and ACARA — then aggregates them to the boundary shown and calculates the rankings, growth rates and benchmarks itself. Property sales come from the state valuation authority, rents from state rental bond lodgements, development applications from council and state planning portals, school data from ACARA, and public transport from state transport departments.
Is the Mount Martha data on this page just from the 2021 Census?
No. Most of this page is maintained well beyond the Census. Sourced entirely from current releases: development & approvals (Aug 2026), property sales & rents (Oct 2026), infrastructure projects (Sep 2026) and services & amenities (Sep 2026). Built on a Census baseline but carrying newer measures on top: population (to Aug 2026), age profile (to Aug 2026), employment (to Mar 2026), income (to FY 2023), education (to Sep 2026), transport (to Jul 2026) and health (to 2024). Population and age cohorts in particular are re-based to the latest ABS Estimated Resident Population rather than left at 2021 counts. Only housing, households and cultural diversity remain wholly Census-based, because no more current small-area dataset exists for those measures.

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