Mortdale - Oatley

SA2

Greater Sydney / Hurstville

 
 
 
 
 
 
 
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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 Mortdale - Oatley

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The median house price in Mortdale - Oatley is $2.00m, with units at $812k. House values have moved 3.3% a year compounded over five years.

Curious about local property values? Filter the chart to assess the volume and appreciation (including resales) trends and regional comparisons, or scroll to the map below view this information at an individual property level.

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DemographicsPopulation Growth in Mortdale - Oatley

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Mortdale - Oatley has an estimated 15,310 residents, up from 14,715 at the 2021 Census — a change of 595 people, or 4.0%. That puts 3,448 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 the analysis by AreaSearch, the resident count of Mortdale - Oatley stands at approximately 15,310 as of May 2026. This represents a growth of 595 individuals (4.0%) relative to the 2021 Census, which recorded 14,715 residents. The update is derived from the June 2025 ABS estimated resident population of 15,297 alongside 42 validated new addresses confirmed since the Census. With a density of 3,448 persons per square kilometer, the locality ranks in the top quartile of national areas analyzed. The 4.0% increase since the census puts it within 2.5 percentage points of the broader SA4 region (6.5%), indicating solid growth dynamics.

Net gains in population were mostly driven by overseas migration, which accounted for roughly 86.5% of the total growth in recent times. Projections utilized by AreaSearch are sourced from the ABS and Geoscience Australia released in 2024 with a 2022 baseline, supplemented by 2022 NSW State Government projections using a 2021 baseline where necessary. Age-specific growth patterns from these sources are applied to project demographics from 2032 to 2041. Future expectations point to population expansion slightly below the national median, with a projected rise of 1,351 individuals by 2041 relative to the latest annual ERP, showing a total increase of 8.7% over the 16 years.

Frequently Asked Questions - Population

What is the latest population estimate for the Mortdale - Oatley SA2?
Total population for the Mortdale - Oatley SA2 was estimated to be approximately 15,310 as at May 26. This is based upon an estimated resident population of 15,297 from the ABS up to June 2025.
How has the population in the Mortdale - Oatley SA2 changed since 2021?
The mortdale - oatley sa2 has added approximately 595 people and shown a 4.04% increase from the 14,715 people recorded at the 2021 Census period.
What is the population density in the Mortdale - Oatley SA2?
The population density in the Mortdale - Oatley SA2 is estimated at 3,448 persons per square kilometer based on the latest population estimate.
How much has the population grown over the past 10 years in the Mortdale - Oatley SA2?
Over the past 10 years, the population in the Mortdale - Oatley SA2 has shown a compound annual growth rate of 0.5% per annum.
What are the main drivers of population growth in the Mortdale - Oatley SA2?
Population growth in the Mortdale - Oatley SA2 is driven by: Overseas migration (86.5%), Natural increase (13.5%), Interstate migration (0.0%). The primary driver is Overseas migration, contributing 86.5% of overall population gains.

Residential SupplyHousing Development & Building Approvals in Mortdale - Oatley

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179 new dwellings have been approved in Mortdale - Oatley over the past five years, an average of 35 a year. That is 2.4 approvals per 1,000 residents. Of the 30 dwellings approved in the latest reporting year, 53% were detached houses and the rest townhouses or apartments. Approvals are currently running at an annualised 48, running ahead of that longer-run average. Figures come from ABS building approvals aggregated to this SA2 boundary and are updated monthly as the ABS releases them.

Detail

Residential development in Mortdale - Oatley averages approximately 35 new dwelling approvals annually, totaling 179 over the 5 financial years from FY-21 to FY-25, and 44 during FY-26 so far. Over the FY-21 to FY-25 period, construction matched population growth with 1.4 new residents per completed dwelling, ensuring market stability. However, over the past 2 financial years, this ratio rose to 3.5 people per dwelling, indicating a tightening housing supply. The average construction cost for new homes stands at $453,000, which exceeds the regional average and points to higher-quality projects.

Meanwhile, commercial approvals registered at $780,000 this financial year, confirming the area remains overwhelmingly residential. Compared to Greater Sydney, the per capita rate of new dwelling approvals in Mortdale - Oatley is about two-thirds, placing it in the 44th percentile of Australian markets. This restricted supply pipeline limits buyer choice and bolsters demand for existing properties. Construction volume is also lower than the national benchmark, reflecting a mature market with possible development limits. The mix of new construction includes 53.0% detached houses and 47.0% semi-detached properties, townhouses, or apartments, offering diverse options across price ranges, from conventional family homes to compact, budget-friendly layouts. A ratio of roughly 387 people per approval highlights the mature status of the local market. Looking forward, the population of Mortdale - Oatley is projected to rise by 1,338 residents by 2041 based on the most recent quarterly estimates from AreaSearch. Although building pace aligns with projected population trends, buyers are likely to face increased competition as the resident base grows.

Frequently Asked Questions - Development

How many dwelling approvals have occurred in the Mortdale - Oatley SA2 recently?
Dwelling approval activity in the the Mortdale - Oatley SA2 area has seen 81 residential approvals over the past two financial years, based on AreaSearch's SA2 aggregation method. The Mortdale - Oatley SA2's current population of 15,310 has been supported by 35 approvals on average over recent years.
How does the Mortdale - Oatley SA2's development activity compare to the broader region?
The Mortdale - Oatley SA2 has seen 0.24 approvals per 100 people in recent years, compared to 0.65 approvals in the broader region. This means that one dwelling has been approved for every 387 people in the Mortdale - Oatley SA2, compared to one for every 190 in the broader region.
Is the Mortdale - Oatley SA2 keeping up with housing demand?
With the population expected to increase by 1,338 people by 2041, around 669 new dwellings will be necessary. Recent approval levels appear broadly sufficient to meet these forecasts, considering the census average of 2.0 persons per dwelling.
What has been the trend in development approvals over the past five years in the Mortdale - Oatley SA2?
Looking at development activity over the past five years, the Mortdale - Oatley SA2's approval levels have been significantly above the yearly average of 35, indicating strong recent growth in development activity.
How many dwellings will be needed to accommodate future population growth in the Mortdale - Oatley SA2?
The population in the Mortdale - Oatley SA2 is expected to grow by 1,338 people by 2041, necessitating approximately 669 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 Mortdale - Oatley SA2?
Over the past five years, the population in the Mortdale - Oatley SA2 has grown by approximately 2,085 people, while 179 residential approvals were recorded. This equates to a ratio of 11.6 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 Mortdale - Oatley SA2?
With dwelling approval activity running at an average of 35 approvals per year and a population of 15,310, the market appears to be reasonably balanced between supply and demand, presenting moderate opportunities for well-positioned developments. With the population expected to increase by 1,338 people by 2041, around 669 new dwellings will be necessary. Current approval trends may be insufficient to meet forecast demand, indicating strong development opportunities.
Approvals Pipeline Development applications near Mortdale - Oatley

Development applications around Mortdale - Oatley

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.
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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 Mortdale - Oatley

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AreaSearch tracks 9 current infrastructure and development projects inside Mortdale - Oatley, worth an estimated $219 million. A further 83 sit in the immediately surrounding suburbs, taking the tracked pipeline within reach of the area to $25 billion. 14 are already under construction and 34 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 infrastructure projects, major developments, and urban planning changes are key drivers of regional growth. AreaSearch has identified 25 active projects likely to impact the locality. Prominent developments include the Mortdale RSL Redevelopment, the Mortdale Local Centre Development Control Plan, the project at 70-76 Pitt Street Mortdale, and the Oatley to Como Walkway Upgrade.

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Frequently Asked Questions - Infrastructure

What are some of the major infrastructure and planning changes likely to influence the Mortdale - Oatley SA2?
Key infrastructure and planning changes likely to influence the Mortdale - Oatley SA2 include: Mortdale RSL Redevelopment (Planning); Mortdale Local Centre Development Control Plan (Planning); 70-76 Pitt Street Mortdale (Planning); Oatley to Como Walkway Upgrade (Planning); and Former Oatley Bowling Club Redevelopment (Arthur Hardiman Reserve) (Planning). These projects represent significant developments that will shape the area's future infrastructure landscape.
What types of infrastructure projects are impacting the Mortdale - Oatley SA2?
Infrastructure development impacting the Mortdale - Oatley SA2 spans multiple sectors including Residential Development, Transport & Logistics, and Communities, Precincts & Urban Renewal, among others.
What is the scale of infrastructure investment impacting the Mortdale - Oatley SA2?
Infrastructure investment analysis indicates substantial capital deployment exceeding $5.9 billion in projects that will impact the extended area, with a notable concentration of investment within the immediate the Mortdale - Oatley SA2 vicinity.
How does the Mortdale - Oatley SA2's infrastructure development compare to other areas?
The Mortdale - Oatley SA2 ranks in the top 20% nationally for infrastructure development, reflecting exceptional investment activity compared to similar areas across the country.
Mortdale Local Centre Development Control Plan
Category: Communities, Precincts & Urban Renewal
Stage: Planning | Est. Comp: 2027
Source / Links: Link 1   Link 2  

Georges River Council is preparing a Development Control Plan (DCP) for the Mortdale Local Centre to guide future growth. Based on the adopted Master Plan, the DCP focuses on maintaining the community's preferred village atmosphere through design excellence principles, low to medium density development, and the addition of more parking, seating, and greenery. The overarching master plan unlocks a theoretical capacity for an additional 578 residential dwellings within 400m of the station.

Communities, Precincts & Urban Renewal

70-76 Pitt Street Mortdale
Category: Residential Development
Stage: Planning | Est. Comp: 2027
Source / Links: Link 1   Link 2  

Mixed-use development proposal featuring residential apartments above retail/commercial space. Designed to enhance the local shopping strip while providing quality housing options. Includes sustainable design features and community spaces.

Residential Development

Mortdale Gardens Proposal
Category: Communities, Precincts & Urban Renewal
Stage: Planning | Est. Comp: 2029
Source / Links: Link 1   Link 2  

Proposed State Significant Development known as Mortdale Gardens, involving the renewal of the ageing Mortdale RSL building. The mixed-use precinct will deliver around 230 apartments across buildings ranging from 8 to 20 storeys, a new community club, a supermarket, retail shops, cafes, medical services, and basement parking for approximately 450 vehicles. At least 15 percent of new homes will be dedicated to housing for key workers, young families, and older residents.

Communities, Precincts & Urban Renewal

Oatley to Como Walkway Upgrade
Category: Transport & Logistics
Stage: Planning | Est. Comp: 2026
Source / Links: Link 1   

Upgrade of an approximately 800-metre deteriorating asphalt pathway and shared cycleway connecting Oatley and Como via the heritage-listed Old Como Railway Bridge. Georges River Council received $280,000 from the NSW Government's Get NSW Active program for investigation and detailed design work, which is expected to be completed by mid-2025. The proposed upgrade includes pathway reconstruction, widening, improved lighting on the bridge, safety enhancements including fencing, rest stops with seating, and embankment works. The pathway is located on State Government land, with the bridge owned by Sydney Water.Future construction funding to be determined by the NSW Government through TAHE (Transport Asset Holding Entity) which has confirmed it will provide funds for improvement works. The pathway serves as a popular pedestrian and cycling link across the Georges River, forming part of Greater Sydney's Strategic Cycleway Corridor connecting Georges River and Sutherland Shire communities.

Transport & Logistics

Former Oatley Bowling Club Redevelopment (Arthur Hardiman Reserve)
Category: Communities
Stage: Planning | Est. Comp: 2026
Source / Links: Link 1   Link 2  

Transformation of the former Oatley Bowling Club site into a community recreation park. Following adoption of the Plan of Management in July 2021, the site underwent extensive remediation works. In June 2025, Council resolved to revise the Master Plan to investigate the site becoming a pocket forest or community garden, aligning with tree canopy and green space targets. The project aims to create accessible and diverse recreational opportunities while connecting to the adjoining Myles Dunphy Reserve.The site will be named Arthur Hardiman Reserve, with features including the Ngunungi Playground.

Communities

Rail Service Improvement Program - T4 Illawarra & Eastern Suburbs Line
Category: Transport & Logistics
Stage: Construction | Est. Comp: 2028
Source / Links: Link 1   Link 2  

A multi-billion-dollar upgrade (formerly More Trains, More Services) modernising the T4 line for higher frequency. Key works include the Digital Systems Program replacing trackside signals with ETCS Level 2 technology, platform extensions at Waterfall and Kiama for the Mariyung fleet, and power upgrades. As of May 2026, Mariyung trains have commenced passenger service on the South Coast Line (April 2026), and Digital Systems testing continues between Bondi Junction and Erskineville.

Transport & Logistics

Mortdale Nsw 2223
Category: Residential Development
Stage: Approved | Est. Comp: 0
Source / Links: Link 1   Link 2  

Mortdale's masterplan will add 578 homes with increased building heights, improved retail areas, shoptop housing, townhouses, and residential flat buildings. Maximum heights are limited to four and six stories in designated areas.

Residential Development

46-50 Macquarie Place Mortdale Apartments
Category: Residential Development
Stage: Approved | Est. Comp: 2025
Source / Links: Link 1   Link 2  

Medium-density residential development featuring modern apartments with private balconies and communal facilities. Designed to complement the existing neighbourhood character while providing additional housing options near Mortdale station.

Residential Development

Jobs & IndustryEmployment Trends in Mortdale - Oatley

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9,766 residents of Mortdale - Oatley are employed, from a labour force of 9,979. Unemployment sits at 2.1%, with participation at 78.2%. Weighted for its industry mix, the area's sectors are forecast to grow about 7.0% nationally over five years. That reflects industry composition only and makes no allowance for local population growth. The working-day population is estimated at 11,404, about 74% 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

The local workforce in Mortdale - Oatley is highly educated, featuring a strong contingent of professionals, an unemployment rate of only 2.1%, and a 3.2% rise in employment over the past year. In March 2026, employed residents numbered 9,766, with the unemployment rate tracking 2.0% lower than the Greater Sydney average of 4.1%. Labor force participation is exceptionally high at 78.2%, compared to 69.1% across Greater Sydney. Census data indicates that 52.4% of working residents worked from home, though this figure was influenced by Covid-19 restrictions. The primary employment sectors for local residents are health care & social assistance, professional & technical services, and education & training.

The area has a high concentration of education & training workers, representing 1.2 times the regional average. Conversely, construction workers represent a smaller share at 7.1%, compared to 8.6% across the region. The comparison between the working population and local residents suggests the area is mainly residential and offers few local jobs. According to AreaSearch analysis of SALM and ABS statistics, employment in the area grew by 3.2% and the labor force expanded by 3.4% during the 12 months to March 2026, leading to a 0.2 percentage point rise in unemployment. Over the same timeframe, Greater Sydney recorded a 1.9% rise in employment and a 1.9% expansion of its labor force, with a marginal drop. Additional context on long-term trends is provided by national forecasts from Jobs and Skills Australia as of May-25. These five and ten-year projections have been applied to local employment sectors to model future growth. While national employment is projected to grow by 6.6% over five years and 13.7% over ten years, trends vary by industry. Projecting these industry rates onto the local workforce mix suggests employment could rise by 7.0% over five years and 14.2% over ten years, assuming a direct weight-based extrapolation without factoring in localized population shifts.

Frequently Asked Questions - Employment

What is the employment situation in the Mortdale - Oatley SA2?
As of March 2026, the Mortdale - Oatley SA2 has approximately 9,766 employed residents with an unemployment rate of 2.1%. 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 Mortdale - Oatley SA2's unemployment rate compare to the broader region?
As of March 2026, the unemployment rate in the Mortdale - Oatley SA2 stands at 2.1%, which is 2.0 percentage points below Greater Sydney's rate of 4.1%. 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 Mortdale - Oatley SA2?
The employment landscape in the Mortdale - Oatley SA2 is dominated by several key sectors. The largest employers are health care & social assistance (14.4% of employment), professional & technical (11.9%), and education & training (10.7%). Other significant employers include finance & insurance and retail trade.
How has employment changed recently in the Mortdale - Oatley SA2?
Over the past year to March 2026, the Mortdale - Oatley 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 Sydney saw employment increased and its unemployment rate dropped.
What is the workforce participation rate in the Mortdale - Oatley SA2?
The workforce participation rate in the Mortdale - Oatley SA2 is 78.2%, which represents the proportion of working-age residents who are either employed or actively seeking work. This high participation rate indicates strong workforce engagement and economic vitality. The local rate leading the Greater Sydney average of 69.1%, indicating stronger workforce attachment in the local area.
Which industries are over-represented in the Mortdale - Oatley SA2's employment market?
The mortdale - oatley sa2 shows notable specialization in education & training, which employs 10.7% of the local workforce compared to 8.9% regionally. This moderate specialization indicates some local strength in the sector.
What are the employment growth prospects for the Mortdale - Oatley SA2?
Based on Jobs and Skills Australia projections applied to the Mortdale - Oatley SA2's industry mix, employment is expected to grow by 7.0% over the next five years and 14.2% 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 Mortdale - Oatley SA2 compare nationally?
The mortdale - oatley 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 5.9% decline, ranking 29.0th out of 37 regions nationally.
What employment opportunities exist for skilled workers in the Mortdale - Oatley SA2?
Skilled workers will find excellent opportunities in the Mortdale - Oatley SA2, with knowledge-intensive sectors comprising 48.4% of local employment. Key sectors for skilled workers include health care & social assistance (14.4%), professional & technical (11.9%), and education & training (10.7%). With projected employment growth of 7.0% over five years, demand for skilled workers is expected to remain strong.

EarningsHousehold Income in Mortdale - Oatley

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Median household income in Mortdale - Oatley is $2,151 a week (about $112,000 a year), with median personal income at $935 a week. ATO records put median taxable income at $63,022 a year against an average of $87,208. 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

Based on the most recent ATO postcode data for the 2023 financial year, taxpayers in the Mortdale - Oatley SA2 recorded a median income of $63,022 and an average income of $87,208. These figures are high by national standards and exceed the Greater Sydney median of $60,817 and average of $83,003. Factoring in Wage Price Index growth of 10.32% since the 2023 financial year, current estimated values stand at roughly $69,526 for the median and $96,208 for the average as of March 2026. The 2021 Census indicates that household, family, and personal earnings sit in the 73rd percentile nationally.

The largest earnings group consists of 31.0% of local taxpayers (4,746 people) earning between $1,500 - 2,999, mirroring the regional share of 30.9%. High-earning households making more than $3,000 weekly account for 34.4% of the total, which supports strong local retail spending. Housing costs represent 15.0% of household income, and strong overall earnings place residents in the 76th percentile for disposable income, with the area ranking in the 8th decile of the SEIFA income index.

Frequently Asked Questions - Income

What is the median taxable income in the Mortdale - Oatley SA2?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the Mortdale - Oatley SA2 is approximately $69,526. The official ATO data from FY-23 recorded a median of $63,022.
What is the average taxable income in the Mortdale - Oatley SA2?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the Mortdale - Oatley SA2 is approximately $96,208. The official ATO data from FY-23 recorded an average of $87,208.
How does the median taxable income in the Mortdale - Oatley SA2 compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the Mortdale - Oatley SA2 is approximately $69,526 compared to $67,093 in Greater Sydney. The official ATO data from FY-23 shows $63,022 and $60,817 respectively.
How does the average taxable income in the Mortdale - Oatley SA2 compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the Mortdale - Oatley SA2 is approximately $96,208 compared to $91,569 in Greater Sydney. The official ATO data from FY-23 shows $87,208 and $83,003 respectively.
What are the main income cohorts in the Mortdale - Oatley SA2 according to the 2021 Census?
As per the 2021 Census, the income bracket containing the largest proportion (~31.0% / 4,746 persons) of the Mortdale - Oatley SA2's population is the $1,500 - 2,999 cohort.
How do the main income cohorts in the Mortdale - Oatley SA2 compare to the region?
The largest income cohort in the Mortdale - Oatley SA2 is the $1,500 - 2,999 group, representing about 31.0% of the population. In comparison, Greater Sydney's largest income cohort is the $1,500 - 2,999 group, representing 30.9% of its population, according to the 2021 Census.
What is the median household income in the Mortdale - Oatley SA2 according to the 2021 Census?
The 2021 Census data indicates that the median household income in the Mortdale - Oatley SA2 is $2,151/wk.
What is the median family income in the Mortdale - Oatley SA2 according to the 2021 Census?
According to the 2021 Census, the median family income in the Mortdale - Oatley SA2 is $2,592/wk.
What is the median personal income in the Mortdale - Oatley SA2 according to the 2021 Census?
The 2021 Census shows that the median personal income in the Mortdale - Oatley SA2 is $935/wk.
How does the Mortdale - Oatley SA2's income rank nationally?
AreaSearch's latest postcode level ATO data for FY-23 reveals that income in the Mortdale - Oatley SA2 is extremely high nationally, with the median assessed at $63,022 while the average income stands at $87,208. This contrasts to Greater Sydney's figures of a median income of $60,817 and an average income of $83,003. Based on Wage Price Index growth of 10.32% since FY-23, current estimates would be approximately $69,526 (median) and $96,208 (average) as of March 2026.
What is the disposable income in the Mortdale - Oatley SA2?
The estimated disposable income in the Mortdale - Oatley SA2 is $7,926 per year according to AreaSearch analysis.
How does the Mortdale - Oatley SA2's disposable income compare to the region?
The mortdale - oatley sa2's disposable income is $7,926 compared to $7,412 for Greater Sydney, based on AreaSearch analysis.

Housing StockHousing & Dwellings in Mortdale - Oatley

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Mortdale - Oatley had 5,265 occupied dwellings at the 2021 Census, 54% detached houses and 31% apartments. 33% are owned with a mortgage, 31% rented and 36% owned outright. At that Census the median rent was $420 a week and the median mortgage repayment $2,500 a month. Rent absorbs 19.5% of household income here and mortgage repayments 26.8%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.

Detail

According to the latest Census, the housing mix in Mortdale - Oatley consisted of 53.6% detached houses and 46.3% other types of dwellings (including apartments, townhouses, and semi-detached properties), compared to 55.9% houses and 44.1% other dwellings across the Sydney metropolitan area. The home ownership rate was notably high at 35.8%, with the remaining properties occupied by mortgagors (33.1%) or tenants (31.2%). The median monthly mortgage payment was $2,500, higher than the Sydney metro average of $2,427. The median weekly rent was $420, compared to $470 for Sydney metro. Nationally, local mortgage payments are significantly above the Australian median of $1,863, and weekly rents are higher than the national average of $375.

Frequently Asked Questions - Housing

What percentage of homes are owned vs rented in the Mortdale - Oatley SA2?
In the Mortdale - Oatley SA2, 35.8% of homes are owned outright, 33.1% are owned with a mortgage, and 31.2% are rented.
What percentage of dwellings in the Mortdale - Oatley SA2 are houses?
According to the latest data, 53.6% of dwellings in the Mortdale - Oatley SA2 are houses.
What percentage of dwellings in the Mortdale - Oatley SA2 are apartments or units?
In the Mortdale - Oatley SA2, 30.5% of dwellings are apartments or units, with an additional 15.2% being semi-detached dwellings.
What is the level of outright home ownership in the Mortdale - Oatley SA2?
Outright home ownership in the Mortdale - Oatley SA2 stands at 35.8%, compared to 28.7% in Greater Sydney.
What is the median monthly mortgage repayment in the Mortdale - Oatley SA2?
The median monthly mortgage repayment in the Mortdale - Oatley SA2 is $2,500, compared to $2,427 in Greater Sydney.
What is the median weekly rent in the Mortdale - Oatley SA2?
The median weekly rent in the Mortdale - Oatley SA2 is $420, compared to $470 in Greater Sydney.
What is the distribution of rental prices in the Mortdale - Oatley SA2?
In the Mortdale - Oatley SA2, 2.8% of rentals are $0-149/week, 15.0% are $150-349/week, 67.5% are $350-649/week, 12.9% are $650-949/week, and 1.7% are $950+/week.
What is the average monthly housing cost in the Mortdale - Oatley SA2?
The aggregate monthly housing cost in the Mortdale - Oatley SA2 is $1,395, which represents the average monthly cost across all housing types.
What percentage of income do residents spend on housing in the Mortdale - Oatley SA2?
In the Mortdale - Oatley SA2, households with mortgages typically spend 26.8% of their income on mortgage repayments, while renters spend 19.5% of their income on rent.
How crowded are homes in the Mortdale - Oatley SA2?
The average persons per bedroom ratio in the Mortdale - Oatley SA2 is 0.9, indicating the level of household density.
How does housing affordability in the Mortdale - Oatley SA2 compare to the region?
Housing affordability in the Mortdale - Oatley SA2 shows mortgage holders spending 26.8% of income on repayments (vs 27.0% regionally), while renters spend 19.5% of income on rent (vs 22.6% regionally).
What types of dwellings are most common in the Mortdale - Oatley SA2?
The dwelling mix in the Mortdale - Oatley SA2 consists of 53.6% detached houses, 15.2% semi-detached dwellings, 30.5% apartments, and 0.6% other dwelling types.
What is the weighted average housing cost based on tenure mix in the Mortdale - Oatley SA2?
Factoring in the ownership distribution, the weighted average monthly housing cost is approximately $1,395. This accounts for outright owners paying no housing costs, mortgage holders paying $2,500/month, and renters paying $1,819/month.
How affordable is housing in the Mortdale - Oatley SA2 relative to local incomes?
Housing in Mortdale - Oatley consumes approximately 15.0% of median household income ($9,314 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 Mortdale - Oatley SA2?
Recent development applications in Mortdale - Oatley show attached dwellings contributing 50% of approvals compared to 46% of existing stock, while detached houses represent 50% of applications versus 54% of current dwellings. This suggests development patterns consistent with existing housing mix. Housing density growth is around the national average.

HouseholdsHousehold Composition in Mortdale - Oatley

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Mortdale - Oatley counted 5,265 households at the 2021 Census, averaging 2.7 people each. 39% are couples with children, more than in 75% of areas nationally, against 24% couples without children. 24% of households are people living alone, and families average 1.4 children. Household and family composition is measured only by the Census, so these are 2021 figures.

Detail

Family households represent 73.9% of all homes in the area, comprising couples with children at 38.5%, couples without children at 24.4%, and single-parent households at 9.6%. The remaining 26.1% are non-family households, consisting of single-person households at 23.6% and group households at 2.6%. The median household occupancy is 2.7 people, matching the average for Greater Sydney.

Frequently Asked Questions - Households

How many households are in the Mortdale - Oatley SA2?
As of the 2021 Census, the Mortdale - Oatley SA2 had 5,265 households. Based on population growth patterns, this has grown by approximately 4.0% to an estimated 5,478 households today.
What is the typical household size?
The median household size in the Mortdale - Oatley SA2 is 2.7 people. This compares to 2.7 in Greater Sydney and reflects the area's household composition mix.
What types of households are most common?
Family households dominate at 73.9% of all households. The remaining households consist of lone person households (23.6%), group households (2.6%), and other household types (0.0%).
How are families structured in the area?
Among the 3,890 family households, 38.5% are couples with children, 24.4% are couples without children at home, and 9.6% are single parent families. This mix shapes local demand for schools, family services, and housing types.
How does the Mortdale - Oatley SA2 compare to regional household patterns?
Compared to Greater Sydney, the Mortdale - Oatley SA2 shows distinct household patterns. This family-oriented profile influences local demand for family homes, schools, and children's services.
What is the average family size?
Families in the Mortdale - Oatley SA2 have an average of 1.4 children, slightly below the Greater Sydney average of 1.5. This influences local demand for child-related services and larger family homes.
What are the marriage patterns in the Mortdale - Oatley SA2?
Marriage patterns reveal 53.2% of the adult population are currently married, while 32.2% have never married. This compares to 48.3% married and 36.4% never married across Greater Sydney.
How significant are single-person households?
Single-person households represent 23.6% of all households in the Mortdale - Oatley SA2, similar to the regional average of 23.2%. 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 Sydney average of 4.2%. This low rate suggests limited student or young professional shared accommodation.
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EducationSchools & Education in Mortdale - Oatley

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40.5% of adults in Mortdale - Oatley hold a university qualification, including 26.9% with a bachelor degree and 10.7% with postgraduate qualifications, higher than 81% of areas nationally. A further 16.6% hold a vocational qualification. 3 schools serve the area, with 2,065 enrolment places and an average ICSEA of 1,093 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

Educational profiles in Mortdale - Oatley are well above regional and national averages, with 40.5% of residents aged 15+ holding a university degree, compared to 30.4% in Australia and 32.2% across NSW. This high level of qualification positions local workers well for professional industries. Bachelor degrees are the most common higher qualification at 26.9%, followed by postgraduate degrees at 10.7% and graduate diplomas at 2.9%. Vocational and technical training is also common, with 28.0% of residents aged 15+ holding qualifications such as advanced diplomas (11.4%) or certificates (16.6%). A high percentage of residents are engaged in studies, with 29.1% of the population enrolled in formal education.

Primary school students account for 9.6% of the population, secondary students represent 7.0%, and tertiary students make up 6.4%.

Frequently Asked Questions - Education

What percentage of people in the Mortdale - Oatley SA2 have university qualifications?
40.5% of people aged 15 and over in the Mortdale - Oatley SA2 have university qualifications, compared to 38.0% in the broader region.
What percentage of people in the Mortdale - Oatley SA2 have no formal qualifications?
31.6% of people aged 15 and over in the Mortdale - Oatley SA2 have no formal qualifications, compared to 34.2% regionally.
How does the Mortdale - Oatley SA2's education level compare to national averages?
The mortdale - oatley sa2 ranks in the 81th percentile nationally for education based on AreaSearch's analysis of qualification and performance metrics.
What types of qualifications are most common in the Mortdale - Oatley SA2?
The most common qualifications in the Mortdale - Oatley SA2 are: Bachelor Degree (26.9%), Certificate (16.6%), Advanced Diploma (11.4%).
What proportion of the Mortdale - Oatley SA2's population is currently attending educational institutions?
29.1% of the population in the Mortdale - Oatley SA2 is currently engaged in formal education, with 9.6% in primary school, 7.0% in secondary school, 6.4% at university.
What is the ICSEA score for schools in the Mortdale - Oatley SA2?
The average ICSEA (Index of Community Socio-Educational Advantage) score for schools in the Mortdale - Oatley SA2 is 1093, indicating average socio-educational advantage (national average is 1000).
How many schools are located within the Mortdale - Oatley SA2?
There are 3 schools within the Mortdale - Oatley SA2, with a combined enrollment of approximately 2,065 students.
What types of schools are available in the Mortdale - Oatley SA2?
The mortdale - oatley sa2 includes 2 primary schools, 1 secondary school.

Schools Detail

AmenitiesServices & Amenities in Mortdale - Oatley

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Getting AroundTransport & Commuting in Mortdale - Oatley

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Public transport in Mortdale - Oatley reaches 70 stops on 24 routes, timetabled for about 5,200 services a week. The typical home sits about 140 m from its nearest stop. Buses carry the largest share of public transport commuters. Households keep an average of 1.1 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 local transit network features 70 active bus and train stops throughout Mortdale - Oatley. These stops are served by 24 routes, generating 5,209 weekly passenger journeys. Accessibility is high, with residents living an average of 144 meters from the nearest stop. Given the residential nature of the suburb, commuting is mostly outward-bound; private cars remain the primary transit mode at 70%, followed by train travel at 20% and walking at 4%. The average vehicle ownership rate is 1.1 cars per household. A high proportion of residents (52.4%) worked from home according to the 2021 Census, which was likely affected by pandemic conditions.

Service frequency averages 744 trips per day across all routes, which translates to approximately 74 weekly departures at each stop.

Frequently Asked Questions - Transport

How many public transport stops are in Mortdale - Oatley?
There are 70 public transport stops within the Mortdale - Oatley SA2.
How frequent are the transport services in Mortdale - Oatley?
the Mortdale - Oatley SA2 has 5,209 weekly trips across 24 routes, averaging 744 trips per day.
How far are residents from public transport in Mortdale - Oatley?
On average, residential properties are 144 meters from the nearest transport stop.

Transport Stops Detail

HealthcareHealth Services in Mortdale - Oatley

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75.3% of residents in Mortdale - Oatley report no long-term health condition, a healthier profile than 78% of areas nationally. 4.9% need daily assistance with core activities, and 63.3% hold private health cover. The standardised death rate runs at 4.7 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.

Detail

Health assessments indicate favorable outcomes in Mortdale - Oatley, reflecting low mortality and chronic illness rates across all age brackets. Private health insurance coverage is high, with approximately 63% of the population (9,691 people) covered. This rate is higher than the Greater Sydney average of 59.9% and the national average of 55.7%. Arthritis and asthma are the most common medical conditions, affecting 6.3% and 5.9% of residents respectively. Conversely, 75.3% of residents reported no chronic medical conditions, compared to 74.6% across Greater Sydney. Health levels are high among working-age residents.

Residents aged 65 and over make up 18.2% of the local population (2,786 people), which is higher than the Greater Sydney average of 15.5%. Older residents demonstrate strong health outcomes, with national rankings aligning with the broader population.

Frequently Asked Questions - Health

How many people in the Mortdale - Oatley SA2 have private health insurance?
Around 63.3% of people in the Mortdale - Oatley SA2 are covered by private health insurance, which compares to 59.9% in the broader region of Greater Sydney.
What percentage of the population requires ongoing medical assistance in the Mortdale - Oatley SA2?
In the Mortdale - Oatley SA2, 4.9% of the population is identified as requiring ongoing medical assistance. This figure is slightly different from the regional average, where 5.2% of people in Greater Sydney require similar assistance.
How prevalent is asthma in the Mortdale - Oatley SA2?
5.9% of people in the Mortdale - Oatley SA2 are diagnosed with asthma. In comparison, 6.4% of the population across Greater Sydney is affected by asthma.
What percentage of people have diabetes in the Mortdale - Oatley SA2?
Diabetes affects 3.7% of the the Mortdale - Oatley SA2 population, while in the surrounding region, 4.3% of people are diagnosed with diabetes.
What is the percentage of people with heart disease in the Mortdale - Oatley SA2?
3.3% of people in the Mortdale - Oatley SA2 have heart disease. Across the region of Greater Sydney, 3.2% of the population is affected by heart disease.
How does the Mortdale - Oatley SA2 compare to the region in terms of overall private health coverage?
In the Mortdale - Oatley SA2, 63.3% of the population are estimated to have private health insurance. Comparatively, Greater Sydney sees an estimated private health coverage rate of 59.9%.

Ancestry & LanguageCultural Diversity in Mortdale - Oatley

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34.7% of Mortdale - Oatley residents were born overseas and 37.4% speak a language other than English at home, more culturally diverse than 79% of areas nationally. The largest reported ancestries are English (19.0%) and Australian (18.4%). Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.

Detail

Mortdale - Oatley shows high cultural diversity, with 34.7% of residents born outside Australia and 37.4% speaking a non-English language at home. Christianity is the main religion, practiced by 55.6% of residents. However, the most significant local deviation is in Hinduism, which is practiced by 4.3% of residents compared to 5.2% across Greater Sydney. Regarding parent birthplaces, the most common ancestries in Mortdale - Oatley are English at 19.0%, Australian at 18.4%, and Chinese at 13.6% (which is higher than the regional average of 8.4%). Other notable ancestry differences include Macedonian, representing 3.4% of local residents (compared to 0.4% regionally), Croatian at 1.5% (compared to 0.7%), and Greek at 3.9% (compared to 1.9%).

Frequently Asked Questions - Diversity

What is the level of cultural diversity in the Mortdale - Oatley SA2?
Mortdale - Oatley scores quite highly on cultural diversity, with 34.7% of its population born overseas and 37.4% speaking a language other than English at home.
What is the most common religion in the Mortdale - Oatley SA2?
The main religion in Mortdale - Oatley was found to be Christianity, which makes up 55.6% of people in Mortdale - Oatley. However, the most apparent overrepresentation was in Hinduism, which comprises 4.3% of the population, compared to 5.2% across Greater Sydney.
What are the top countries of origin in the Mortdale - Oatley SA2?
In terms of ancestry (country of birth of parents), the top three represented groups in Mortdale - Oatley are English, comprising 19.0% of the population, Australian, comprising 18.4% of the population, and Chinese, comprising 13.6% of the population, which is substantially higher than the regional average of 8.4%. Additionally, there are notable divergences in the representation of certain other ethnic groups: Macedonian is notably overrepresented at 3.4% of Mortdale - Oatley (vs 0.4% regionally), Croatian at 1.5% (vs 0.7%) and Greek at 3.9% (vs 1.9%).
How does the percentage of people born overseas compare to the regional average?
34.7% of the the Mortdale - Oatley SA2 population was born overseas, compared to 40.5% regionally.
What percentage of the the Mortdale - Oatley SA2 population speaks a language other than English at home?
37.4% of the population in the Mortdale - Oatley SA2 speaks a language other than English at home, compared to 39.5% in the wider region.
How many people in the Mortdale - Oatley SA2 identify as Australian Aboriginal?
0.6% of the the Mortdale - Oatley SA2 population identifies as Australian Aboriginal, compared to 1.3% in the region.
What is the citizenship status of the population in the Mortdale - Oatley SA2?
85.1% of the the Mortdale - Oatley SA2 population holds citizenship, compared to 80.8% in the wider region.

Age StructureAge Profile of Mortdale - Oatley

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The median resident of Mortdale - Oatley is 39. 26.3% 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 in Mortdale - Oatley is 39 years, slightly higher than the Greater Sydney average of 37 and close to the national average of 38. Compared to the metro region, the 65 - 74 age bracket is overrepresented at 10.2%, while the 25 - 34 bracket is underrepresented at 13.0%. Since the 2021 Census, the 15 to 24 age bracket grew from 11.6% to 13.3% of the population, and the 75 to 84 cohort rose from 4.7% to 5.9%, while the 35 to 44 cohort shrank from 15.2% to 13.7%.

Projections for 2041 point to significant demographic shifts, with the 75 to 84 age group expected to increase by 56% (499 people), growing from 898 to 1,398. Seniors aged 65 and over will represent 72% of all projected population growth. In contrast, the 15 to 24 and 0 to 4 age cohorts are expected to experience population declines.

Frequently Asked Questions - Age

What is the median age in the Mortdale - Oatley SA2?
According to the latest data, the median age in the Mortdale - Oatley SA2 is 39 years.
How does the Mortdale - Oatley SA2's median age compare to broader areas?
At 39 years, Mortdale - Oatley is 2 years older than the Greater Sydney average (37 years) and comparable to the national average (38 years).
What age groups are over-represented in the Mortdale - Oatley SA2?
The most over-represented age group in the Mortdale - Oatley SA2 compared to the Greater Sydney region is the 65 - 74 group, making up 10.2% of the population.
What age groups are under-represented in the Mortdale - Oatley SA2?
The most under-represented age group in the Mortdale - Oatley SA2 compared to the Greater Sydney region is the 25 - 34 group, making up 13.0% of the population.
Are there age groups with notable population variances?
No, the age distribution in the Mortdale - Oatley SA2 is broadly in line with the Greater Sydney region.
What is the percentage of children (0-14 years) in the Mortdale - Oatley SA2?
The percentage of children aged 0-14 years in the Mortdale - Oatley SA2 is 16.6%.
What is the percentage of older people (65+ years) in the Mortdale - Oatley SA2?
The percentage of people aged 65 and over in the Mortdale - Oatley SA2 is 18.2%.

Data & MethodBoundaries, Sources & Method for Mortdale - Oatley

Data currency Refreshed

9 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 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) 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.
Infrastructure projects Infrastructure Australia, State agencies, Local governments Daily Jul 2026 last month all 9 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 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 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 — 42 validated new addresses here. The headline figure is therefore a current estimate for May 2026, not a 2021 count (14,715 at the 2021 Census → 15,310 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 (119031666). 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 Mortdale - Oatley 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 Mortdale - Oatley 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 Mortdale - Oatley 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 2026) 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.

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