Seaford (SA)

Suburb (SAL)

Greater Adelaide / Onkaparinga

 
 
 
 
 
 
 
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Suburb (SAL) Boundary Analysis

This analysis uses Suburbs and Localities (SAL) boundaries, which can materially differ from Statistical Areas (SA2) even when sharing the same name.

SAL boundaries are defined by Australia Post and the Australian Bureau of Statistics to represent commonly-known suburb names used in postal addresses.

Statistical Areas (SA2) are designed for census data collection and may combine multiple suburbs or use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.

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Sales ActivityProperty Sales Trends in Seaford (SA)

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DemographicsPopulation Growth in Seaford (SA)

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Seaford (SA) has an estimated 5,038 residents, up from 4,493 at the 2021 Census — a change of 545 people, or 12.1%. Growth has averaged 2.0% a year over five years, faster than 78% of areas nationally. Overseas migration accounts for 41.0% of that increase. That puts 1,696 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 investigations of ABS demographic updates for the wider region, alongside newly confirmed addresses by AreaSearch since the Census, the suburb of Seaford (SA) has an estimated population of 5,038 as of May 2026. This represents an expansion of 545 people (12.1%) from the 2021 Census, which recorded 4,493 residents. The growth is calculated from an estimated resident count of 5,031 determined by AreaSearch via analysis of the latest ABS ERP release (June 2025) plus 43 validated new addresses since the Census date. This population level yields a density of 1,696 persons per square kilometer, exceeding the average across national localities assessed by AreaSearch.

The 12.1% expansion in the suburb of Seaford (SA) since the 2021 census outperformed the SA3 area (5.8%) and the SA4 region, establishing it as a regional growth leader. Population gains were mostly propelled by overseas migration, which made up approximately 41.0% of total growth in recent times, though all indicators, including natural increase and interstate moves, registered positive gains. AreaSearch implements ABS/Geoscience Australia projections for each SA2 area, published in 2024 with 2022 as the baseline. For any SA2 regions lacking this data, and for any years after 2032, regional/LGA projections by age category from the SA State Government, published in 2023 and utilizing 2021 figures, are used with adjustments applied through a weighted aggregation of population growth from LGA to SA2 tiers. Factoring in expected demographic trends, the suburb of Seaford (SA) is projected to experience above-median population growth compared to statistical areas nationwide, expanding by 897 persons to 2041 based on aggregated SA2 projections, representing an overall rise of 17.7% over the 16 years.

Frequently Asked Questions - Population

What is the latest population estimate for the suburb of Seaford?
Total population for the suburb of Seaford was estimated to be approximately 5,038 as at May 26. This is based upon an estimated resident population of 5,031 from the ABS up to June 2025.
How has the population in the suburb of Seaford changed since 2021?
The suburb of seaford has added approximately 545 people and shown a 12.13% increase from the 4,493 people recorded at the 2021 Census period.
What is the population density in the suburb of Seaford?
The population density in the suburb of Seaford is estimated at 1,696 persons per square kilometer based on the latest population estimate.
How much has the population grown over the past 10 years in the suburb of Seaford?
Over the past 10 years, the population in the suburb of Seaford has shown a compound annual growth rate of 1.2% per annum.
What are the main drivers of population growth in the suburb of Seaford?
Population growth in the suburb of Seaford is driven by: Overseas migration (41.0%), Natural increase (38.0%), Interstate migration (21.0%). The primary driver is Overseas migration, contributing 41.0% of overall population gains.

Residential SupplyHousing Development & Building Approvals in Seaford (SA)

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236 new dwellings have been approved in Seaford (SA) over the past five years, an average of 47 a year. That places the area in the 80th percentile for residential development activity nationally, about 9 approvals per 1,000 residents a year. Of the 48 dwellings approved in the latest reporting year, 83% were detached houses and the rest townhouses or apartments. Approvals are currently running at an annualised 63, running ahead of that longer-run average. Figures come from ABS building approvals aggregated to this Suburb (SAL) boundary and are updated monthly as the ABS releases them.

Detail

According to AreaSearch analysis of ABS building approval figures distributed from statistical area statistics, Seaford has seen approximately 47 residential properties approved each year, with a total of 236 homes authorized over the last 5 financial years (between FY-21 and FY-25) and 58 during FY-26 so far. With an average of 2.1 new residents per year for each dwelling over the last 5 financial years (between FY-21 and FY-25), demonstrating strong demand that supports property values, new residences are being built with an average value of $380,000, showing that developers are targeting the premium market with high-end houses.

Additionally, commercial approvals reached $421,000 this financial year, which points to minimal commercial development activity. In comparison to Greater Adelaide, Seaford registers 104.0% more development activity per person, which should offer buyers plenty of options. New construction consists of 83.0% detached houses and 17.0% semi-detached or attached dwellings, maintaining the suburb's residential character with a focus on single-family homes that draw buyers looking for space. With roughly 69 people for each dwelling approval, Seaford displays the typical patterns of a growth zone. Demographic projections indicate Seaford will add 890 residents by 2041 (starting from the most recent AreaSearch quarterly calculation). At current construction paces, the supply of new housing should easily satisfy demand, providing favorable purchasing conditions and potentially encouraging growth beyond current population forecasts.

Frequently Asked Questions - Development

How many dwelling approvals have occurred in the suburb of Seaford recently?
Dwelling approval activity in the the suburb of Seaford area has seen 145 residential approvals over the past two financial years, based on AreaSearch's SA2 aggregation method. The suburb of Seaford's current population of 5,038 has been supported by 47 approvals on average over recent years.
How does the suburb of Seaford's development activity compare to the broader region?
The suburb of Seaford has seen 1.0 approvals per 100 people in recent years, compared to 0.74 approvals in the broader region. This means that one dwelling has been approved for every 68 people in the suburb of Seaford, compared to one for every 144 in the broader region.
Is the suburb of Seaford keeping up with housing demand?
With the population expected to increase by 890 people by 2041, around 445 new dwellings will be necessary. Recent approval levels appear more than sufficient to meet these forecasts, considering the census average of 2.0 persons per dwelling. This suggests that population growth may exceed trend projections in the coming years, supported by a robust housing supply.
What has been the trend in development approvals over the past five years in the suburb of Seaford?
Looking at development activity over the past five years, the suburb of Seaford's approval levels have been significantly above the yearly average of 47, indicating strong recent growth in development activity.
How many dwellings will be needed to accommodate future population growth in the suburb of Seaford?
The population in the suburb of Seaford is expected to grow by 890 people by 2041, necessitating approximately 445 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 suburb of Seaford?
Over the past five years, the population in the suburb of Seaford has grown by approximately 1,375 people, while 236 residential approvals were recorded. This equates to a ratio of 5.8 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 suburb of Seaford?
With dwelling approval activity running at an average of 47 approvals per year and a population of 5,038, the market appears to be adequately supplied relative to projected housing demand in recent years, suggesting that developers should have a longer-term approach when considering new projects. With the population expected to increase by 890 people by 2041, around 445 new dwellings will be necessary. Recent approval levels appear more than sufficient to meet these forecasts, considering the census average of 2.0 persons per dwelling. This suggests that population growth may exceed trend projections in the coming years, supported by a robust housing supply.
Approvals Pipeline Development applications near Seaford (SA)

Development applications around Seaford (SA)

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

Project PipelineInfrastructure & Major Projects in Seaford (SA)

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AreaSearch tracks one current infrastructure or development project inside Seaford (SA), worth an estimated $685 million. A further 10 sit in the immediately surrounding suburbs, taking the tracked pipeline within reach of the area to $2.7 billion. 2 are already under construction and 2 are due for completion within three years. The pipeline spans transport & logistics, retail and sports & recreation. 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

Few things impact local performance as significantly as changes to local infrastructure, major developments, and planning projects. In total, 3 projects have been identified by AreaSearch that are expected to influence the area. Key developments include the Sunset Residential Development, Fleurieu Connections - Main South Road Duplication, Seaford Rail Extension, and the Victor Harbor Road Duplication, with the provided list highlighting those most likely to be relevant.

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Frequently Asked Questions - Infrastructure

What are some of the major infrastructure and planning changes likely to influence the suburb of Seaford?
Key infrastructure and planning changes likely to influence the suburb of Seaford include: Sunset Residential Development (Construction); Fleurieu Connections - Main South Road Duplication (Completed); Seaford Rail Extension (Completed); Victor Harbor Road Duplication (Completed); and Main South Road Duplication Stage 1 - Aldinga Project (Construction). These projects represent significant developments that will shape the area's future infrastructure landscape.
What types of infrastructure projects are impacting the suburb of Seaford?
Infrastructure development impacting the suburb of Seaford spans multiple sectors including Transport & Logistics, Communities, and Communities, Precincts & Urban Renewal, among others.
What is the scale of infrastructure investment impacting the suburb of Seaford?
Infrastructure investment analysis indicates substantial capital deployment exceeding $3.3 billion in projects that will impact the extended area, with a notable concentration of investment within the immediate the suburb of Seaford vicinity.
How does the suburb of Seaford's infrastructure development compare to other areas?
Infrastructure development activity impacting the suburb of Seaford currently ranks below national averages at the 20thth percentile.
Fleurieu Connections - Main South Road Duplication
Category: Transport & Logistics
Stage: Completed | Est. Comp: 2024
Source / Links: Link 1   Link 2  

Duplication of Main South Road between Sellicks Beach and Victor Harbor, improving safety and reducing travel times to the Fleurieu Peninsula. The project includes new overtaking lanes, intersection upgrades and safety improvements.

Transport & Logistics

Sunset Residential Development
Category: Communities, Precincts & Urban Renewal
Stage: Construction | Est. Comp: 2028
Source / Links: Link 1   Link 2  

A 42-hectare master-planned residential community featuring 644 allotments with land sizes up to 540m2. The development includes 15% affordable and social housing outcomes, extensive green spaces including a major north-south walking trail connecting to Onkaparinga River Recreation Park. Located in a prime coastal position with proximity to South Australian beaches and McLaren Vale wine region.

Communities, Precincts & Urban Renewal

Seaford Rail Extension
Category: Transport & Logistics
Stage: Completed | Est. Comp: 2014
Source / Links: Link 1   Link 2  

5.7km extension of dual track rail line from Noarlunga Centre to Seaford District Centre. Includes new railway stations at Seaford Meadows and Seaford with park-and-ride facilities, improving public transport access to southern suburbs.

Transport & Logistics

Victor Harbor Road Duplication
Category: Transport & Logistics
Stage: Completed | Est. Comp: 2024
Source / Links: Link 1   Link 2  

Duplication of approximately four kilometres of Victor Harbor Road between Main South Road (Old Noarlunga) and Main Road (McLaren Vale) to improve safety, traffic flow and capacity, including a new four-way, two-lane roundabout at Robinson Road and the realignment of Quarry Road. All lanes are now open to traffic and the project is complete as part of the broader Fleurieu Connections program delivered by the Fleurieu Connections Alliance.

Transport & Logistics

Noarlunga Master Planning Housing Project
Category: Communities
Stage: Construction | Est. Comp: 2031
Source / Links: Link 1   Link 2  

A 22-hectare master-planned residential development delivering more than 626 new homes across two land parcels on either side of Lovelock Drive in Port Noarlunga and Noarlunga Downs. The project features a minimum of 28% affordable and social housing (including 80 social housing dwellings), and 12.5% new public open space with a target of 25% overall tree canopy. Designed by Holmes Dyer, the development targets a 5-Star Green Star Communities rating. Civil works by Winslow Constructors commenced in 2025, with house construction planned to begin in 2026 and first residents expected by end of 2026.Multiple sales releases are underway including the Wirra and Kauwi Releases. The community will become home to approximately 1,200 residents over a 7-10 year delivery period through to 2031.

Communities

Noarlunga Hospital Mental Health Expansion
Category: Health & Medical
Stage: Approved | Est. Comp: 2027
Source / Links: Link 1   

$74M State Election commitment delivering new 24-bed Mental Health Rehabilitation Service and additional mental health facilities. Expanding critical healthcare services for southern Adelaide communities with specialized treatment capabilities.

Health & Medical

Main South Road Duplication Stage 1 - Aldinga Project
Category: Transport & Logistics
Stage: Completed | Est. Comp: 2024
Source / Links: Link 1   

Stage 1 of the Main South Road Duplication between Seaford and Aldinga has been completed and is open to traffic. The project duplicated approximately 10 km of Main South Road, improving safety, reducing congestion and supporting tourism and regional growth on the Fleurieu Peninsula. It forms the first stage of the broader Fleurieu Connections program.

Transport & Logistics

Ocean View Estate
Category: Residential Development
Stage: Planning | Est. Comp: 0
Source / Links: Link 1   Link 2  

An exclusive boutique residential estate in Maslin Beach, offering land for new homes and house and land packages, including the 'Ashford' design with 'Vantage' facade. The estate provides a luxury living experience near the beach and the McLaren Vale wine region, with flat land ready for new homes or holiday escapes. Lot sizes include 702sqm, with pricing starting from $1,090,298 for select packages.

Residential Development

Jobs & IndustryEmployment Trends in Seaford (SA)

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2,459 residents of Seaford (SA) are employed, from a labour force of 2,607. Unemployment sits at 5.7%, with participation at 60.8%. Weighted for its industry mix, the area's sectors are forecast to grow about 6.4% nationally over five years. That reflects industry composition only and makes no allowance for local population growth. Unemployment and labour force come from ABS Small Area Labour Markets, updated quarterly; the industry and occupation profile is from the 2021 Census.

Detail

Seaford possesses a balanced workforce encompassing white and blue collar jobs, with a solid footprint in essential services, an unemployment rate of 5.7%, and an estimated job growth of 5.5% over the past year, according to AreaSearch aggregations of statistical area data. In March 2026, 2,459 residents were employed, while the local unemployment rate sat 1.9% higher than Greater Adelaide's rate of 3.8%, and workforce participation was notably lower (60.8% compared to Greater Adelaide's 66.6%). Based on Census data, a minor 9.1% of residents worked from home, though the effects of Covid-19 lockdowns should be kept in mind.

The major employment sectors for residents are health care & social assistance, construction, and retail trade. The locality exhibits a strong specialization in construction, with its employment share tracking at 1.6 times the regional rate. On the other hand, professional & technical services are underrepresented at 3.5% compared to the regional average of 7.3%. While local jobs are available in the district, it appears that a large portion of residents travel to other areas for work, based on the ratio of Census workers to the local population. According to AreaSearch analysis of SALM and ABS statistics compiled from wider statistical regions, during the year leading to March 2026, employment numbers rose by 5.5% and the labour force grew by 5.4%, which kept the unemployment rate stable. For comparison, Greater Adelaide experienced employment growth of 4.2%, labour force growth of 4.0%, and a reduction in unemployment of 0.2 percentage points. National employment forecasts from Jobs and Skills Australia published in May-25 provide additional context on prospective future demand in Seaford. These projections, spanning five and ten-year intervals, have been applied to the local employment profile to model potential growth. Although nationwide employment is projected to grow by 6.6% over five years and 13.7% over ten years, growth rates vary widely by industry. Projecting these industry-specific trends onto Seaford's job distribution suggests local employment will rise by 6.4% over five years and 13.3% over ten years (this represents a basic weighted extrapolation for illustrative purposes and does not incorporate local population forecasts).

Frequently Asked Questions - Employment

What is the employment situation in the suburb of Seaford?
As of March 2026, the suburb of Seaford has approximately 2,459 employed residents with an unemployment rate of 5.7%. The unemployment rate is moderate, indicating some available workforce capacity. Employment indicators are below the national average, suggesting room for improvement.
How does the suburb of Seaford's unemployment rate compare to the broader region?
As of March 2026, the unemployment rate in the suburb of Seaford stands at 5.7%, which is 1.9 percentage points above Greater Adelaide's rate of 3.8%. This higher unemployment rate may indicate local labour market challenges. For comparison, the national unemployment rate is 4.2%.
What are the major employment sectors in the suburb of Seaford?
The employment landscape in the suburb of Seaford is dominated by several key sectors. The largest employers are health care & social assistance (17.0% of employment), construction (14.2%), and retail trade (10.3%). Other significant employers include education & training and public administration & safety.
How has employment changed recently in the suburb of Seaford?
Over the past year to March 2026, the suburb of Seaford has experienced employment growth, with total employment increasing while the labour force increased. As a result, the unemployment rate has fall. By comparison, Greater Adelaide saw employment increased and its unemployment rate dropped.
What is the workforce participation rate in the suburb of Seaford?
The workforce participation rate in the suburb of Seaford is 60.8%, 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 Adelaide average of 66.6%, suggesting potential for increased workforce participation.
Which industries are over-represented in the suburb of Seaford's employment market?
The suburb of seaford shows notable specialization in construction, which employs 14.2% of the local workforce compared to 8.7% regionally. This concentration suggests the area has developed competitive advantages in this sector. The area also shows above-average employment in 1 other sectors, contributing to a distinctive economic profile.
What are the employment growth prospects for the suburb of Seaford?
Based on Jobs and Skills Australia projections applied to the suburb of Seaford's industry mix, employment is expected to grow by 6.4% over the next five years and 13.3% over ten years. This compares to national growth expectations of 6.6% over five years. Steady growth is anticipated across multiple sectors, providing diverse employment opportunities.
How does the job market in the suburb of Seaford compare nationally?
The suburb of seaford's employment market shows below-average performance in national comparisons. While employment opportunities exist, the area faces more challenges than many other regions. Recent job advertisement trends show the broader employment region experienced 0.7% growth, ranking 11.0th out of 37 regions nationally.
What employment opportunities exist for skilled workers in the suburb of Seaford?
Skilled workers will find good opportunities in the suburb of Seaford, with skilled sectors accounting for 34.3% of employment. Key sectors for skilled workers include health care & social assistance (17.0%), education & training (9.9%), and professional & technical (3.5%). With projected employment growth of 6.4% over five years, demand for skilled workers is expected to remain strong.

EarningsHousehold Income in Seaford (SA)

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Median household income in Seaford (SA) is $1,254 a week (about $65,000 a year), with median personal income at $656 a week. ATO records put median taxable income at $44,499 a year against an average of $50,256. 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

The most recent postcode level ATO statistics for financial year 2023 indicate that incomes in Seaford are below the national average, with a median of $44,499 and an average of $50,256. This is lower than Greater Adelaide's median income of $54,808 and average income of $66,852. Adjusted for a Wage Price Index growth of 10.17% since financial year 2023, current estimates would stand at approximately $49,025 (median) and $55,367 (average) as of March 2026. According to the 2021 Census, household, family, and personal incomes in Seaford are situated between the 17th and 20th percentiles nationally.

Income distribution shows the $1,500 - 2,999 range is the most common, accounting for 29.4% of residents (1,481 people), which aligns with the wider metropolitan trend of 31.8% in this category. Affordability pressures on housing are severe, with residents retaining only 82.8% of their income, placing the area in the 16th percentile.

Frequently Asked Questions - Income

What is the median taxable income in the suburb of Seaford?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the suburb of Seaford is approximately $49,025. The official ATO data from FY-23 recorded a median of $44,499.
What is the average taxable income in the suburb of Seaford?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the suburb of Seaford is approximately $55,367. The official ATO data from FY-23 recorded an average of $50,256.
How does the median taxable income in the suburb of Seaford compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the suburb of Seaford is approximately $49,025 compared to $60,382 in Greater Adelaide. The official ATO data from FY-23 shows $44,499 and $54,808 respectively.
How does the average taxable income in the suburb of Seaford compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the suburb of Seaford is approximately $55,367 compared to $73,651 in Greater Adelaide. The official ATO data from FY-23 shows $50,256 and $66,852 respectively.
What are the main income cohorts in the suburb of Seaford according to the 2021 Census?
As per the 2021 Census, the income bracket containing the largest proportion (~29.4% / 1,481 persons) of the suburb of Seaford's population is the $1,500 - 2,999 cohort.
How do the main income cohorts in the suburb of Seaford compare to the region?
The largest income cohort in the suburb of Seaford is the $1,500 - 2,999 group, representing about 29.4% of the population. In comparison, Greater Adelaide's largest income cohort is the $1,500 - 2,999 group, representing 31.8% of its population, according to the 2021 Census.
What is the median household income in the suburb of Seaford according to the 2021 Census?
The 2021 Census data indicates that the median household income in the suburb of Seaford is $1,254/wk.
What is the median family income in the suburb of Seaford according to the 2021 Census?
According to the 2021 Census, the median family income in the suburb of Seaford is $1,553/wk.
What is the median personal income in the suburb of Seaford according to the 2021 Census?
The 2021 Census shows that the median personal income in the suburb of Seaford is $656/wk.
How does the suburb of Seaford's income rank nationally?
According to AreaSearch's aggregation of the latest postcode level ATO data released for FY-23, the suburb of Seaford had a median income among taxpayers of $44,499 with the average level standing at $50,256. This is lower than average on a national basis and compares to levels of $54,808 and $66,852 across Greater Adelaide respectively. Based on Wage Price Index growth of 10.17% since FY-23, current estimates would be approximately $49,025 (median) and $55,367 (average) as of March 2026.
What is the disposable income in the suburb of Seaford?
The estimated disposable income in the suburb of Seaford is $4,502 per year according to AreaSearch analysis.
How does the suburb of Seaford's disposable income compare to the region?
The suburb of seaford's disposable income is $4,502 compared to $5,698 for Greater Adelaide, based on AreaSearch analysis.

Housing StockHousing & Dwellings in Seaford (SA)

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Seaford (SA) had 1,826 occupied dwellings at the 2021 Census, 85% detached houses and 5% apartments. 38% are owned with a mortgage, 28% rented and 34% owned outright. At that Census the median rent was $330 a week and the median mortgage repayment $1,400 a month. Rent absorbs 26.3% of household income here and mortgage repayments 25.8%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.

Detail

Residential structure in Seaford at the time of the most recent Census consisted of 85.3% houses and 14.7% alternative dwellings (semi-detached, apartments, and other housing types), compared to 75.2% houses and 24.9% alternative dwellings across the Adelaide metro area. Home ownership in Seaford was higher than the Adelaide metro average at 34.0%, while the remaining homes were either mortgaged (37.8%) or rented (28.2%). The median monthly mortgage payment in the locality was significantly lower than the Adelaide metro average at $1,400, while the median weekly rent was $330, compared to Adelaide metro averages of $1,562 and $320.

On a national level, Seaford's mortgage costs are far below the Australian average of $1,863, and weekly rents are considerably lower than the national figure of $375.

Frequently Asked Questions - Housing

What percentage of homes are owned vs rented in the suburb of Seaford?
In the suburb of Seaford, 34.0% of homes are owned outright, 37.8% are owned with a mortgage, and 28.2% are rented.
What percentage of dwellings in the suburb of Seaford are houses?
According to the latest data, 85.3% of dwellings in the suburb of Seaford are houses.
What percentage of dwellings in the suburb of Seaford are apartments or units?
In the suburb of Seaford, 4.6% of dwellings are apartments or units, with an additional 10.1% being semi-detached dwellings.
What is the level of outright home ownership in the suburb of Seaford?
Outright home ownership in the suburb of Seaford stands at 34.0%, compared to 32.1% in Greater Adelaide.
What is the median monthly mortgage repayment in the suburb of Seaford?
The median monthly mortgage repayment in the suburb of Seaford is $1,400, compared to $1,562 in Greater Adelaide.
What is the median weekly rent in the suburb of Seaford?
The median weekly rent in the suburb of Seaford is $330, compared to $320 in Greater Adelaide.
What is the distribution of rental prices in the suburb of Seaford?
In the suburb of Seaford, 7.2% of rentals are $0-149/week, 56.4% are $150-349/week, 35.6% are $350-649/week, 0.8% are $650-949/week, and 0.0% are $950+/week.
What is the average monthly housing cost in the suburb of Seaford?
The aggregate monthly housing cost in the suburb of Seaford is $932, which represents the average monthly cost across all housing types.
What percentage of income do residents spend on housing in the suburb of Seaford?
In the suburb of Seaford, households with mortgages typically spend 25.8% of their income on mortgage repayments, while renters spend 26.3% of their income on rent.
How crowded are homes in the suburb of Seaford?
The average persons per bedroom ratio in the suburb of Seaford is 0.7, indicating the level of household density.
How does housing affordability in the suburb of Seaford compare to the region?
Housing affordability in the suburb of Seaford shows mortgage holders spending 25.8% of income on repayments (vs 23.3% regionally), while renters spend 26.3% of income on rent (vs 20.7% regionally).
What types of dwellings are most common in the suburb of Seaford?
The dwelling mix in the suburb of Seaford consists of 85.3% detached houses, 10.1% semi-detached dwellings, 4.6% apartments, and 0.0% other dwelling types.
What is the weighted average housing cost based on tenure mix in the suburb of Seaford?
Based on the area's tenure composition, the weighted average monthly housing cost is approximately $932. This accounts for outright owners paying no housing costs, mortgage holders paying $1,400/month, and renters paying $1,429/month.
How affordable is housing in the suburb of Seaford relative to local incomes?
Housing in Seaford consumes approximately 17.2% of median household income ($5,430 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 suburb of Seaford?
Recent development applications in Seaford show attached dwellings contributing 21% of approvals compared to 15% of existing stock, while detached houses represent 79% of applications versus 85% of current dwellings. This suggests increasing densification. Housing density growth is around the national average.

HouseholdsHousehold Composition in Seaford (SA)

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Seaford (SA) counted 1,826 households at the 2021 Census, an estimated 2,047 today, averaging 2.3 people each. 25% are couples with children, against 29% couples without children. 30% 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 households make up the majority at 67.4% of all homes, consisting of 24.8% couples with children, 29.1% couples without children, and 12.9% single parent families. Non-family living arrangements account for the remaining 32.6%, with lone person households at 29.8% and group households at 2.6% of the total. The median household size of 2.3 people is slightly below the Greater Adelaide average of 2.5.

Frequently Asked Questions - Households

How many households are in the suburb of Seaford?
As of the 2021 Census, the suburb of Seaford had 1,826 households. Based on population growth patterns, this has grown by approximately 12.1% to an estimated 2,047 households today.
What is the typical household size?
The median household size in the suburb of Seaford is 2.3 people. This compares to 2.5 in Greater Adelaide and reflects the area's household composition mix.
What types of households are most common?
Family households dominate at 67.4% of all households. The remaining households consist of lone person households (29.8%), group households (2.6%), and other household types (0.2%).
How are families structured in the area?
Among the 1,230 family households, 24.8% are couples with children, 29.1% are couples without children at home, and 12.9% are single parent families. This mix shapes local demand for schools, family services, and housing types.
How does the suburb of Seaford compare to regional household patterns?
Compared to Greater Adelaide, the suburb of Seaford shows distinct household patterns. This higher proportion of single-person households drives demand for smaller dwellings and different community services.
What is the average family size?
Families in the suburb of Seaford have an average of 1.8 children, slightly above the Greater Adelaide average of 1.5. This influences local demand for child-related services and larger family homes.
What are the marriage patterns in the suburb of Seaford?
Marriage patterns reveal 43.7% of the adult population are currently married, while 32.6% have never married. This compares to 45.7% married and 36.4% never married across Greater Adelaide.
How significant are single-person households?
Single-person households represent 29.8% of all households in the suburb of Seaford, similar to the regional average of 27.7%. This affects demand for smaller dwellings and single-person accommodation.
Are shared living arrangements common?
Group households (unrelated people sharing) account for 2.6% of households, well below the Greater Adelaide average of 3.7%. This low rate suggests limited student or young professional shared accommodation.
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EducationSchools & Education in Seaford (SA)

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15.3% of adults in Seaford (SA) hold a university qualification, including 10.8% with a bachelor degree and 2.4% with postgraduate qualifications. A further 31.8% hold a vocational qualification. 3 schools serve the area, with 1,762 enrolment places and an average ICSEA of 1,001 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

The locality experiences educational hurdles, with university graduation rates (15.3%) sitting far below the Australian average of 30.4%. This situation presents both a hurdle and a chance for focused educational programs. Bachelor degrees are the most common at 10.8%, followed by postgraduate degrees (2.4%) and graduate diplomas (2.1%). Vocational and technical training is highly represented, with 42.3% of residents aged 15+ holding trade qualifications, consisting of advanced diplomas (10.5%) and certificates (31.8%). Enrolment in education is remarkably strong, with 27.0% of local residents presently undergoing formal schooling. This is made up of 11.0% in primary school, 7.3% in high school, and 3.3% in higher education courses.

Frequently Asked Questions - Education

What percentage of people in the suburb of Seaford have university qualifications?
15.3% of people aged 15 and over in the suburb of Seaford have university qualifications, compared to 28.9% in the broader region.
What percentage of people in the suburb of Seaford have no formal qualifications?
42.5% of people aged 15 and over in the suburb of Seaford have no formal qualifications, compared to 39.0% regionally.
How does the suburb of Seaford's education level compare to national averages?
The suburb of seaford ranks in the 38th percentile nationally for education based on AreaSearch's analysis of qualification and performance metrics.
What types of qualifications are most common in the suburb of Seaford?
The most common qualifications in the suburb of Seaford are: Certificate (31.8%), Bachelor Degree (10.8%), Advanced Diploma (10.5%).
What proportion of the suburb of Seaford's population is currently attending educational institutions?
27.0% of the population in the suburb of Seaford is currently engaged in formal education, with 11.0% in primary school, 7.3% in secondary school, 3.3% at university.
What is the ICSEA score for schools in the suburb of Seaford?
The average ICSEA (Index of Community Socio-Educational Advantage) score for schools in the suburb of Seaford is 1001, indicating average socio-educational advantage (national average is 1000).
How many schools are located within the suburb of Seaford?
There are 3 schools within the suburb of Seaford, with a combined enrollment of approximately 1,762 students.
What types of schools are available in the suburb of Seaford?
The suburb of seaford includes 2 primary schools, 1 secondary school.

Schools Detail

AmenitiesServices & Amenities in Seaford (SA)

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Getting AroundTransport & Commuting in Seaford (SA)

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Public transport in Seaford (SA) reaches 38 stops on 23 routes, timetabled for about 1,400 services a week. The typical home sits about 170 m from its nearest stop. Buses carry the largest share of public transport commuters. Households keep an average of 1.2 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

Public transport data shows 38 active stops operating in Seaford, offering a combination of train and bus options. These locations are serviced by 23 separate routes, which combine to provide 1,425 weekly passenger journeys. Transport access is classified as excellent, with residents generally living 174 meters from the nearest stop. Being an area that is mostly residential, the majority of residents travel outside the suburb for work; driving remains the primary mode of travel at 89%, while 7% use the train. Vehicle ownership averages 1.2 per home, which is below the regional average.

A low 9.1% of residents work from home, based on 2021 Census figures which may reflect COVID-19 settings. Average service frequency stands at 203 daily trips across all routes, which corresponds to roughly 37 weekly trips for each individual stop.

Frequently Asked Questions - Transport

How many public transport stops are in Seaford (SA)?
There are 38 public transport stops within the suburb of Seaford.
How frequent are the transport services in Seaford (SA)?
the suburb of Seaford has 1,425 weekly trips across 23 routes, averaging 203 trips per day.
How far are residents from public transport in Seaford (SA)?
On average, residential properties are 174 meters from the nearest transport stop.

Transport Stops Detail

HealthcareHealth Services in Seaford (SA)

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58.5% of residents in Seaford (SA) report no long-term health condition, a less healthy profile than 83% of areas nationally. 7.9% need daily assistance with core activities, and 46.9% hold private health cover. The standardised death rate runs at 6.5 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.

Detail

Health statistics show notable difficulties for Seaford, based on AreaSearch assessments of mortality levels and the occurrence of chronic conditions, with common health issues appearing across both younger and older cohorts, and private health coverage registering at a very low rate of approximately 47% of the total population (~2,363 people). This compares to 52.7% throughout Greater Adelaide and a national average of 55.7%. The most prevalent medical conditions recorded in the region were arthritis and mental health challenges, affecting 11.8% and 10.0% of residents, respectively, while 58.5% of people reported having no medical conditions, compared to 67.9% across Greater Adelaide.

The working-age cohort faces distinct health challenges, with higher rates of chronic conditions. The locality has 27.2% of residents aged 65 and over (1,370 people), which exceeds the 19.2% recorded in Greater Adelaide. Health outcomes for seniors present some difficulties, with national performance metrics generally matching those of the wider population.

Frequently Asked Questions - Health

How many people in the suburb of Seaford have private health insurance?
Around 46.9% of people in the suburb of Seaford are covered by private health insurance, which compares to 52.7% in the broader region of Greater Adelaide.
What percentage of the population requires ongoing medical assistance in the suburb of Seaford?
In the suburb of Seaford, 7.9% of the population is identified as requiring ongoing medical assistance. This figure is slightly different from the regional average, where 6.6% of people in Greater Adelaide require similar assistance.
How prevalent is asthma in the suburb of Seaford?
8.7% of people in the suburb of Seaford are diagnosed with asthma. In comparison, 7.7% of the population across Greater Adelaide is affected by asthma.
What percentage of people have diabetes in the suburb of Seaford?
Diabetes affects 4.9% of the the suburb of Seaford population, while in the surrounding region, 4.8% of people are diagnosed with diabetes.
What is the percentage of people with heart disease in the suburb of Seaford?
4.6% of people in the suburb of Seaford have heart disease. Across the region of Greater Adelaide, 3.8% of the population is affected by heart disease.
How does the suburb of Seaford compare to the region in terms of overall private health coverage?
In the suburb of Seaford, 46.9% of the population are estimated to have private health insurance. Comparatively, Greater Adelaide sees an estimated private health coverage rate of 52.7%.

Ancestry & LanguageCultural Diversity in Seaford (SA)

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25.3% of Seaford (SA) residents were born overseas and 5.0% speak a language other than English at home. The largest reported ancestries are English (38.2%) and Australian (26.9%). Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.

Detail

Seaford registers below the average for cultural diversity, with 74.7% of residents born in Australia, 88.9% holding citizenship, and 95.0% speaking only English at home. The primary religious affiliation in Seaford is Christianity, accounting for 35.6% of residents. However, the most pronounced difference in representation was for Judaism, which accounted for none of the population, compared to 0.1% across Greater Adelaide. Regarding family ancestry (parents' country of birth), the three most common backgrounds in Seaford are English, representing 38.2% of the population, which is considerably higher than the regional average of 27.8%, Australian at 26.9%, and Scottish at 7.6%.

There are also notable differences in other ethnic backgrounds: Welsh is represented at 0.9% in Seaford (versus 0.6% regionally), Dutch at 2.0% (versus 1.2%), and German at 4.8% (versus 5.1%).

Frequently Asked Questions - Diversity

What is the level of cultural diversity in the suburb of Seaford?
Seaford was found to be below average in terms of cultural diversity, with 74.7% of its population born in Australia, 88.9% being citizens, and 95.0% speaking English only at home.
What is the most common religion in the suburb of Seaford?
The main religion in Seaford was found to be Christianity, which makes up 35.6% of people in Seaford. However, the most apparent overrepresentation was in Judaism, which comprises 0.0% of the population, compared to 0.1% across Greater Adelaide.
What are the top countries of origin in the suburb of Seaford?
In terms of ancestry (country of birth of parents), the top three represented groups in Seaford are English, comprising 38.2% of the population, which is substantially higher than the regional average of 27.8%, Australian, comprising 26.9% of the population, and Scottish, comprising 7.6% of the population. Additionally, there are notable divergences in the representation of certain other ethnic groups: Welsh is notably overrepresented at 0.9% of Seaford (vs 0.6% regionally), Dutch at 2.0% (vs 1.2%) and German at 4.8% (vs 5.1%).
How does the percentage of people born overseas compare to the regional average?
25.3% of the the suburb of Seaford population was born overseas, compared to 28.7% regionally.
What percentage of the the suburb of Seaford population speaks a language other than English at home?
5.0% of the population in the suburb of Seaford speaks a language other than English at home, compared to 22.2% in the wider region.
How many people in the suburb of Seaford identify as Australian Aboriginal?
1.3% of the the suburb of Seaford population identifies as Australian Aboriginal, compared to 1.2% in the region.
What is the citizenship status of the population in the suburb of Seaford?
88.9% of the the suburb of Seaford population holds citizenship, compared to 86.3% in the wider region.

Age StructureAge Profile of Seaford (SA)

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The median resident of Seaford (SA) is 43. 21.6% 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 median age of 43 years in Seaford is considerably higher than Greater Adelaide's average of 39 and also much older than the national median of 38 years. Compared to Greater Adelaide, Seaford has a larger share of residents aged 75 - 84 (10.1%) but a smaller proportion of people aged 25 - 34 (10.4%). Since the 2021 Census, the 75 to 84 age group has expanded from 8.9% to 10.1% of the population, whereas the 5 to 14 cohort decreased from 12.1% to 10.9%. Looking forward to 2041, demographic models project major changes in Seaford's age composition.

Leading this shift, the 85+ cohort is expected to increase by 106% (261 people), growing to 508 from 246. The combined 65+ age categories will make up 51% of total population growth, showing the aging trend of the local population. Conversely, the 0 to 4 group is projected to see minimal growth of just 2% (3 people).

Frequently Asked Questions - Age

What is the median age in the suburb of Seaford?
According to the latest data, the median age in the suburb of Seaford is 43 years.
How does the suburb of Seaford's median age compare to broader areas?
At 43 years, Seaford is 4 years older than the Greater Adelaide average (39 years) and 5 years older than the national average (38 years).
What age groups are over-represented in the suburb of Seaford?
The most over-represented age group in the suburb of Seaford compared to the Greater Adelaide region is the 75 - 84 group, making up 10.1% of the population.
What age groups are under-represented in the suburb of Seaford?
The most under-represented age group in the suburb of Seaford compared to the Greater Adelaide region is the 25 - 34 group, making up 10.4% of the population.
Are there age groups with notable population variances?
Yes, certain age groups in the suburb of Seaford show significant variance compared to the Greater Adelaide region. The most over-represented age groups are 85+ year-olds (4.9% vs 2.6%) and 75-84 year-olds (10.1% vs 6.7%).
What is the percentage of children (0-14 years) in the suburb of Seaford?
The percentage of children aged 0-14 years in the suburb of Seaford is 15.2%.
What is the percentage of older people (65+ years) in the suburb of Seaford?
The percentage of people aged 65 and over in the suburb of Seaford is 27.2%.

Data & MethodBoundaries, Sources & Method for Seaford (SA)

Data currency Refreshed

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

Everything is aggregated to the Suburb (SAL) 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 8 sections
Population ABS, GNAF, Geoscience Australia Annual (ABS ERP) May 2026 3 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 May 2026, with the 2021 Census supplying the small-area baseline.
Age profile ABS, Geoscience Australia, State governments Annual May 2026 3 months ago headline measures · 2021 Census baseline
Age cohorts are re-based to the latest ABS population estimates and state projections, current to May 2026. Each cohort is held as a Census baseline and a current estimate.
Development & approvals ABS, GNAF Monthly (ABS approvals) Jun 2026 2 months ago headline measures · May 2026 baseline
Property sales & rents Valuer General, Rental Board, ABS Weekly sales, quarterly rents Aug 2026 this month all 21 measures
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 Aug 2026.
Employment ABS, DEWR, JSA Quarterly (ABS SALM) Mar 2026 5 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) Aug 2026 this month headline measures · 2021 Census baseline
Transport ABS, State Transport Departments Each timetable release Jul 2026 last month headline measures · 2021 Census baseline
Services & amenities Provider directories, ACECQA Continuous Jul 2026 last month all 14 measures
Annual and financial-year sources 3 sections
Infrastructure projects Infrastructure Australia, State agencies, Local governments Daily Jul 2025 about a year ago all 1 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 Jul 2025.
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 — 43 validated new addresses here. The headline figure is therefore a current estimate for May 2026, not a 2021 count (4,493 at the 2021 Census → 5,038 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 May 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 (SAL41315). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.

Common questions about this page

How do Seaford (SA) suburb boundaries differ from Statistical Areas?
This page uses Suburbs and Localities (SAL) boundaries (suburb-style geography). SAL represents commonly-known suburb names used in addresses, while Statistical Areas (SA2) are designed for census/statistical reporting. Even when sharing the same name, SAL and SA2 boundaries often cover different geographic areas with different populations.
Where does the data on this Seaford (SA) 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 Seaford (SA) 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 (Jun 2026), property sales & rents (Aug 2026), infrastructure projects (Jul 2025) and services & amenities (Jul 2026). Built on a Census baseline but carrying newer measures on top: population (to May 2026), age profile (to May 2026), employment (to Mar 2026), income (to FY 2023), education (to Aug 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.

Nearby Areas