Chester Hill - Sefton

SA2

Greater Sydney / Merrylands - Guildford

 
 
 
 
 
 
 
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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 Chester Hill - Sefton

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The median house price in Chester Hill - Sefton is $1.40m, with units at $656k. House values have moved 8.1% 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 Chester Hill - Sefton

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Chester Hill - Sefton has an estimated 22,047 residents, up from 20,842 at the 2021 Census — a change of 1,205 people, or 5.8%. Growth has averaged 0.9% a year over five years. 195 new addresses have been validated here since Census night. Overseas migration accounts for 64.2% of that increase. That puts 3,033 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 assessments conducted by AreaSearch, Chester Hill - Sefton is home to approximately 22,047 residents as of May 2026. This represents an expansion of 1,205 individuals (5.8%) from the 20,842 citizens recorded during the 2021 Census. This adjustment is calculated using the June 2025 ABS estimated resident population of 21,807 combined with 195 validated new addresses documented after the Census. With a density of 3,032 persons per square kilometer, the locality ranks in the top quartile of all Australian places analyzed. The region has shown steady development over the last ten years, maintaining a 1.5% compound annual growth rate that exceeded the broader SA3 zone, with international migration generating roughly 64.2% of the overall population increases in recent times.

Projections published by the ABS and Geoscience Australia in 2024, utilizing 2022 as a starting point, are used for each SA2. In instances where SA2 data is unavailable, the 2022 NSW State Government projections based on 2021 numbers are applied. Growth dynamics by age category derived from these sources are extended to cover the period from 2032 to 2041. Anticipated gains in the local population are set to fall just short of the national median, with estimates pointing to a rise of 2,349 persons by 2041 relative to the most recent annual ERP statistics, representing a net increase of 9.6% across the 16 years.

Frequently Asked Questions - Population

What is the latest population estimate for the Chester Hill - Sefton SA2?
Total population for the Chester Hill - Sefton SA2 was estimated to be approximately 22,047 as at May 26. This is based upon an estimated resident population of 21,807 from the ABS up to June 2025.
How has the population in the Chester Hill - Sefton SA2 changed since 2021?
The chester hill - sefton sa2 has added approximately 1,205 people and shown a 5.78% increase from the 20,842 people recorded at the 2021 Census period.
What is the population density in the Chester Hill - Sefton SA2?
The population density in the Chester Hill - Sefton SA2 is estimated at 3,032 persons per square kilometer based on the latest population estimate.
How much has the population grown over the past 10 years in the Chester Hill - Sefton SA2?
Over the past 10 years, the population in the Chester Hill - Sefton SA2 has shown a compound annual growth rate of 1.5% per annum.
What are the main drivers of population growth in the Chester Hill - Sefton SA2?
Population growth in the Chester Hill - Sefton SA2 is driven by: Overseas migration (64.2%), Natural increase (35.8%), Interstate migration (0.0%). The primary driver is Overseas migration, contributing 64.2% of overall population gains.

Residential SupplyHousing Development & Building Approvals in Chester Hill - Sefton

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583 new dwellings have been approved in Chester Hill - Sefton over the past five years, an average of 116 a year. That places the area in the 76th percentile for residential development activity nationally, about 5 approvals per 1,000 residents a year. Of the 95 dwellings approved in the latest reporting year, 38% were detached houses and the rest townhouses or apartments. Approvals are currently running at an annualised 125, broadly in line with 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

An average of 1.7 individuals relocated to the district for every newly built home over the 5 financial years spanning FY-21 to FY-25, which reflects a well-balanced relationship between supply and demand that encourages stable market trends. Approximately 116 residential building permits are registered annually in Chester Hill - Sefton, amounting to 583 approvals during the 5 financial years from FY-21 to FY-25, and an additional 115 approvals during FY-26 so far. Typical construction costs for new properties average $279,000, which sits below regional benchmarks and provides more budget-friendly alternatives for buyers.

Furthermore, commercial approvals totaling $64.1 million have been logged in the current financial year, demonstrating active development in the business sector. Per capita building approvals in Chester Hill - Sefton run at about three-quarters of the level seen in Greater Sydney, placing the locality in the 71st percentile of all areas studied throughout Australia. Houses make up 72.0% of the current housing stock, but recent approvals consist of 38.0% detached houses and 62.0% townhouses or apartments. This pivot toward higher-density options offers cheaper entry prices and accommodates investors, downsizers, and first-time buyers, representing a notable shift from historical trends due to shrinking supplies of developable land and changing lifestyles. Registering approximately 204 people per building approval, the area exhibits characteristics consistent with low density settings. Estimates from the latest AreaSearch quarterly figures indicate that Chester Hill - Sefton is on track to add 2,108 inhabitants by 2041. Given the current pace of building approvals, the supply of new dwellings is positioned to easily satisfy demand, ensuring favorable buying environments and potentially enabling growth that exceeds current demographic forecasts.

Frequently Asked Questions - Development

How many dwelling approvals have occurred in the Chester Hill - Sefton SA2 recently?
Dwelling approval activity in the the Chester Hill - Sefton SA2 area has seen 233 residential approvals over the past two financial years, based on AreaSearch's SA2 aggregation method. The Chester Hill - Sefton SA2's current population of 22,047 has been supported by 116 approvals on average over recent years.
How does the Chester Hill - Sefton SA2's development activity compare to the broader region?
The Chester Hill - Sefton SA2 has seen 0.55 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 204 people in the Chester Hill - Sefton SA2, compared to one for every 190 in the broader region.
Is the Chester Hill - Sefton SA2 keeping up with housing demand?
With the population expected to increase by 2,108 people by 2041, around 703 new dwellings will be necessary. Recent approval levels appear more than sufficient to meet these forecasts, considering the census average of 3.0 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 Chester Hill - Sefton SA2?
Looking at development activity over the past five years, the Chester Hill - Sefton SA2's approval levels have been consistent with the yearly average of 116, showing stable development patterns.
How many dwellings will be needed to accommodate future population growth in the Chester Hill - Sefton SA2?
The population in the Chester Hill - Sefton SA2 is expected to grow by 2,108 people by 2041, necessitating approximately 703 new dwellings. This calculation is based on the current census average of 3.0 persons per dwelling in the area.
How does recent development compare to population growth in the Chester Hill - Sefton SA2?
Over the past five years, the population in the Chester Hill - Sefton SA2 has grown by approximately 6,017 people, while 583 residential approvals were recorded. This equates to a ratio of 10.3 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 Chester Hill - Sefton SA2?
With dwelling approval activity running at an average of 116 approvals per year and a population of 22,047, 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 2,108 people by 2041, around 703 new dwellings will be necessary. Recent approval levels appear more than sufficient to meet these forecasts, considering the census average of 3.0 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 Chester Hill - Sefton

Development applications around Chester Hill - Sefton

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 Chester Hill - Sefton

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AreaSearch tracks 17 current infrastructure and development projects inside Chester Hill - Sefton, worth an estimated $758 million. A further 122 sit in the immediately surrounding suburbs, taking the tracked pipeline within reach of the area to $29.4 billion. 32 are already under construction and 51 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, planning initiatives, and major developments have a significant impact on local performance. AreaSearch has identified 28 projects that are expected to influence the local area. Prominent developments include the Villawood Town Centre Redevelopment (Kinara Place), Chester Square Redevelopment, Condell Park High School Upgrade, and Chester Hill Station Upgrade, with the most relevant ones detailed in the list below.

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Frequently Asked Questions - Infrastructure

What are some of the major infrastructure and planning changes likely to influence the Chester Hill - Sefton SA2?
Key infrastructure and planning changes likely to influence the Chester Hill - Sefton SA2 include: Villawood Town Centre Redevelopment (Kinara Place) (Construction); Chester Square Redevelopment (Under Assessment); Condell Park High School Upgrade (Construction); Chester Hill Station Upgrade (Construction); and Stage 2 Villawood Town Centre (Approved). These projects represent significant developments that will shape the area's future infrastructure landscape.
What types of infrastructure projects are impacting the Chester Hill - Sefton SA2?
Infrastructure development impacting the Chester Hill - Sefton 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 Chester Hill - Sefton SA2?
Infrastructure investment analysis indicates substantial capital deployment exceeding $1.4 billion in projects that will impact the extended area, with a notable concentration of investment within the immediate the Chester Hill - Sefton SA2 vicinity.
How does the Chester Hill - Sefton SA2's infrastructure development compare to other areas?
With an infrastructure score in the top 30%, the Chester Hill - Sefton SA2 demonstrates above-average development activity compared to national benchmarks.
Chester Square Planning Proposal
Category: Communities, Precincts & Urban Renewal
Stage: Under Assessment | Est. Comp: 2029
Source / Links: Link 1   Link 2  

Planning proposal PP-2024-548 for the renewal of Chester Square at 1 Leicester Street, Chester Hill by Holdmark Group. The proposal seeks LEP and DCP changes to enable a mixed-use precinct with about 515 dwellings, up to 12,400 sqm of retail floor space, 1,218 sqm of commercial space, at least 2,000 sqm of community space, a 2,800 sqm publicly accessible plaza, public domain upgrades to Waldron Road, Frost Lane and Charles Place, traffic lights at Waldron Road and Priam Street subject to Transport for NSW approval, and affordable housing contributions.The NSW Planning Portal lists the proposal in Gateway Implementation / post-exhibition, while Council's draft planning agreement exhibition closed on 2 February 2026 and is to be reported back to Council.

Communities, Precincts & Urban Renewal

T6 Lidcombe & Bankstown Line Station Integration
Category: Transport & Logistics
Stage: Construction | Est. Comp: 2026

Integration and upgrade of Birrong Station into the newly established T6 Lidcombe & Bankstown Line following the T3 Metro conversion, providing direct cross-platform interchanges, enhanced station access, active transport connections, and bus stop interchange improvements.

Transport & Logistics

Chester Hill Station Upgrade
Category: Transport & Logistics
Stage: Construction | Est. Comp: 2026
Source / Links: Link 1   Link 2  

Transport for NSW Safe Accessible Transport program upgrading Chester Hill Station with a new lift, stairs, elevated concourse and walkway, upgraded canopies, accessible parking and kiss-and-ride, relocated taxi rank, upgraded bus interchange, accessible toilets, platform improvements, lighting, CCTV, bicycle parking and public domain enhancements. Construction remains underway with major rail possession works completed during 2026 ahead of planned completion in mid-2026.

Transport & Logistics

Chester Hill Library and Knowledge Centre Upgrade
Category: Arts & Culture
Stage: Planning | Est. Comp: 2026
Source / Links: Link 1   Link 2  

Modern library and community knowledge centre featuring expanded collection spaces, digital learning facilities, community meeting rooms, children's areas, technology hubs, and accessibility improvements to serve as a contemporary community focal point for learning and engagement.

Arts & Culture

101-103 Hector Street Sefton
Category: Residential Development
Stage: Planning | Est. Comp: 2026

Residential development project in nearby Sefton, contributing to the broader western Sydney housing supply and urban densification efforts.

Residential Development

Abel Tasman Village Seniors Housing
Category: Health & Medical
Stage: Planning | Est. Comp: 0
Source / Links: Link 1   Link 2  

State Significant Development concept and Stage 1 for the $65 million redevelopment of the existing aged care site into five buildings. The project includes 55 independent living units and a 106-bed residential care facility with supporting amenities such as a dementia garden, retail space, basement parking, and communal areas.

Health & Medical

77-79 Waldron Road Boarding House
Category: Residential Development
Stage: Dev. Approval | Est. Comp: 2026
Source / Links: Link 1   

Demolition of existing structures and construction of a four-storey boarding house comprising 50 boarding rooms, a manager's room, a communal room, a neighbourhood shop at ground floor level, and associated car-parking.

Residential Development

Chester Hill Co-Living
Category: Residential Development
Stage: Planning | Est. Comp: 0
Source / Links: Link 1   Link 2  

Six-storey mixed-use building at Chester Hill Village Centre with 566 m2 of office space, 767 m2 of retail space, a centre-based childcare facility, and 70 co-living private rooms. Design features include an open gallery for natural light, folded perforated screens on the facade, and a communal rooftop terrace.

Residential Development

Jobs & IndustryEmployment Trends in Chester Hill - Sefton

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8,146 residents of Chester Hill - Sefton are employed, from a labour force of 9,132. Unemployment sits at 10.8%, with participation at 52.4%. Weighted for its industry mix, the area's sectors are forecast to grow about 6.1% 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

The local labor pool in Chester Hill - Sefton is diverse and skilled, showing a 10.8% unemployment rate and an estimated 3.7% increase in employment over the preceding year. There were 8,146 employed residents as of March 2026, though the jobless rate of 6.7% exceeds the Greater Sydney benchmark of 4.1% and workforce participation is substantially lower at 52.4% compared to 69.1% in Greater Sydney. Census data indicates that a notable 32.4% of working residents performed their jobs from home, though this figure may reflect the influence of Covid-19 restrictions.

Health care & social assistance, retail trade, and manufacturing constitute the primary employment fields for the local workforce. Specialization in manufacturing is particularly pronounced, with the sector's share of employment reaching 1.8 times the regional benchmark. On the other hand, professional & technical roles account for only 5.8% of the local workforce compared to the regional representation of 11.5%. Comparing the count of Census workers against local residents suggests that this predominantly residential district provides relatively few local job options. According to AreaSearch's evaluation of SALM and ABS statistics, the latest 12-month period recorded a 3.7% expansion in employment alongside a 3.2% rise in the labor force, which lowered the unemployment rate by 0.5 percentage points. By comparison, Greater Sydney registered a 1.9% rise in employment and a 1.9% increase in the labor force, resulting in a nominal reduction. National forecasts published by Jobs and Skills Australia in May-25 provide a basis for analyzing future labor demand in Chester Hill - Sefton. These five and ten-year forecasts have been aligned with the local workforce distribution to project future trends. Although overall employment across Australia is predicted to grow by 6.6% over five years and 13.7% over ten years, the rates of change vary widely by industry. Projecting these industry trends onto the job structure of Chester Hill - Sefton indicates a local employment expansion of 6.1% over five years and 13.0% over ten years, utilizing a basic weighted calculation for demonstration purposes that excludes localized demographic projections.

Frequently Asked Questions - Employment

What is the employment situation in the Chester Hill - Sefton SA2?
As of March 2026, the Chester Hill - Sefton SA2 has approximately 8,146 employed residents with an unemployment rate of 10.8%. The elevated unemployment rate suggests challenging labour market conditions. The area faces employment challenges compared to other regions nationally.
How does the Chester Hill - Sefton SA2's unemployment rate compare to the broader region?
As of March 2026, the unemployment rate in the Chester Hill - Sefton SA2 stands at 10.8%, which is 6.7 percentage points above Greater Sydney's rate of 4.1%. 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 Chester Hill - Sefton SA2?
The employment landscape in the Chester Hill - Sefton SA2 is dominated by several key sectors. The largest employers are health care & social assistance (13.5% of employment), retail trade (11.0%), and manufacturing (10.2%). The relatively diverse employment base, with the top three sectors comprising 34.7% of jobs, provides economic resilience. Other significant employers include transport, postal & warehousing and construction.
How has employment changed recently in the Chester Hill - Sefton SA2?
Over the past year to March 2026, the Chester Hill - Sefton SA2 has experienced employment growth, with total employment increasing while the labour force increased. As a result, the unemployment rate has fall. By comparison, Greater Sydney saw employment increased and its unemployment rate dropped.
What is the workforce participation rate in the Chester Hill - Sefton SA2?
The workforce participation rate in the Chester Hill - Sefton SA2 is 52.4%, which represents the proportion of working-age residents who are either employed or actively seeking work. This moderate participation rate suggests some residents may face barriers to workforce entry. The local rate trailing the Greater Sydney average of 69.1%, suggesting potential for increased workforce participation.
Which industries are over-represented in the Chester Hill - Sefton SA2's employment market?
The chester hill - sefton sa2 shows notable specialization in manufacturing, which employs 10.2% of the local workforce compared to 5.7% 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 Chester Hill - Sefton SA2?
Based on Jobs and Skills Australia projections applied to the Chester Hill - Sefton SA2's industry mix, employment is expected to grow by 6.1% over the next five years and 13.0% 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 Chester Hill - Sefton SA2 compare nationally?
The chester hill - sefton sa2's employment market shows weaker performance compared to most areas nationally. This suggests the need for targeted economic development initiatives. 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 Chester Hill - Sefton SA2?
Skilled workers will find good opportunities in the Chester Hill - Sefton SA2, with skilled sectors accounting for 34.6% of employment. Key sectors for skilled workers include health care & social assistance (13.5%), education & training (8.4%), and professional & technical (5.8%). With projected employment growth of 6.1% over five years, demand for skilled workers is expected to remain strong.

EarningsHousehold Income in Chester Hill - Sefton

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Median household income in Chester Hill - Sefton is $1,415 a week (about $74,000 a year), with median personal income at $517 a week. ATO records put median taxable income at $43,233 a year against an average of $52,830. 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

Postcode-level ATO data compiled by AreaSearch for financial year 2023 shows that Chester Hill - Sefton SA2 has a median taxpayer income of $43,233 and an average of $52,830. These figures are below the national average and contrast with Greater Sydney's median of $60,817 and average of $83,003. Applying Wage Price Index growth of 10.32% since financial year 2023 yields updated estimates of approximately $47,695 for the median and $58,282 for the average as of March 2026. The 2021 Census shows that individual weekly incomes rank at the 4th percentile ($517 weekly), whereas household incomes are higher at the 30th percentile.

The single largest income group consists of 6,680 residents (30.3% of the total) earning between $1,500 - 2,999 weekly, which is comparable to the 30.9% share recorded regionally. Financial stress from housing is prominent, with residents retaining only 77.7% of their income, which sits at the 21st percentile.

Frequently Asked Questions - Income

What is the median taxable income in the Chester Hill - Sefton SA2?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the Chester Hill - Sefton SA2 is approximately $47,695. The official ATO data from FY-23 recorded a median of $43,233.
What is the average taxable income in the Chester Hill - Sefton SA2?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the Chester Hill - Sefton SA2 is approximately $58,282. The official ATO data from FY-23 recorded an average of $52,830.
How does the median taxable income in the Chester Hill - Sefton SA2 compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the Chester Hill - Sefton SA2 is approximately $47,695 compared to $67,093 in Greater Sydney. The official ATO data from FY-23 shows $43,233 and $60,817 respectively.
How does the average taxable income in the Chester Hill - Sefton SA2 compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the Chester Hill - Sefton SA2 is approximately $58,282 compared to $91,569 in Greater Sydney. The official ATO data from FY-23 shows $52,830 and $83,003 respectively.
What are the main income cohorts in the Chester Hill - Sefton SA2 according to the 2021 Census?
As per the 2021 Census, the income bracket containing the largest proportion (~30.3% / 6,680 persons) of the Chester Hill - Sefton SA2's population is the $1,500 - 2,999 cohort.
How do the main income cohorts in the Chester Hill - Sefton SA2 compare to the region?
The largest income cohort in the Chester Hill - Sefton SA2 is the $1,500 - 2,999 group, representing about 30.3% 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 Chester Hill - Sefton SA2 according to the 2021 Census?
The 2021 Census data indicates that the median household income in the Chester Hill - Sefton SA2 is $1,415/wk.
What is the median family income in the Chester Hill - Sefton SA2 according to the 2021 Census?
According to the 2021 Census, the median family income in the Chester Hill - Sefton SA2 is $1,577/wk.
What is the median personal income in the Chester Hill - Sefton SA2 according to the 2021 Census?
The 2021 Census shows that the median personal income in the Chester Hill - Sefton SA2 is $517/wk.
How does the Chester Hill - Sefton SA2's income rank nationally?
AreaSearch's latest postcode level ATO data for FY-23 reveals that income in the Chester Hill - Sefton SA2 is below the national average, with the median assessed at $43,233 while the average income stands at $52,830. 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 $47,695 (median) and $58,282 (average) as of March 2026.
What is the disposable income in the Chester Hill - Sefton SA2?
The estimated disposable income in the Chester Hill - Sefton SA2 is $4,766 per year according to AreaSearch analysis.
How does the Chester Hill - Sefton SA2's disposable income compare to the region?
The chester hill - sefton sa2's disposable income is $4,766 compared to $7,412 for Greater Sydney, based on AreaSearch analysis.

Housing StockHousing & Dwellings in Chester Hill - Sefton

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Chester Hill - Sefton had 5,785 occupied dwellings at the 2021 Census, 73% detached houses and 13% apartments. 31% are owned with a mortgage, 40% rented and 29% owned outright. At that Census the median rent was $400 a week and the median mortgage repayment $2,167 a month. Rent absorbs 28.3% of household income here and mortgage repayments 35.3%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.

Detail

According to the most recent Census, the housing composition of Chester Hill - Sefton consisted of 72.5% standalone houses and 27.5% alternative dwellings such as townhouses and flats, compared to 55.9% houses and 44.1% other dwellings across metropolitan Sydney. Home ownership stood at 29.0%, mirroring the metropolitan Sydney level, with the remaining tenure comprised of properties with a mortgage (31.2%) or rented homes (39.8%). The median mortgage payment of $2,167 per month was considerably lower than the Sydney metropolitan average of $2,427, and the median weekly rent of $400 was also lower than the metropolitan figure of $470.

On a national level, mortgage costs in Chester Hill - Sefton are higher than the Australian average of $1,863, and weekly rents exceed the national benchmark of $375.

Frequently Asked Questions - Housing

What percentage of homes are owned vs rented in the Chester Hill - Sefton SA2?
In the Chester Hill - Sefton SA2, 29.0% of homes are owned outright, 31.2% are owned with a mortgage, and 39.8% are rented.
What percentage of dwellings in the Chester Hill - Sefton SA2 are houses?
According to the latest data, 72.5% of dwellings in the Chester Hill - Sefton SA2 are houses.
What percentage of dwellings in the Chester Hill - Sefton SA2 are apartments or units?
In the Chester Hill - Sefton SA2, 13.4% of dwellings are apartments or units, with an additional 13.9% being semi-detached dwellings.
What is the level of outright home ownership in the Chester Hill - Sefton SA2?
Outright home ownership in the Chester Hill - Sefton SA2 stands at 29.0%, compared to 28.7% in Greater Sydney.
What is the median monthly mortgage repayment in the Chester Hill - Sefton SA2?
The median monthly mortgage repayment in the Chester Hill - Sefton SA2 is $2,167, compared to $2,427 in Greater Sydney.
What is the median weekly rent in the Chester Hill - Sefton SA2?
The median weekly rent in the Chester Hill - Sefton SA2 is $400, compared to $470 in Greater Sydney.
What is the distribution of rental prices in the Chester Hill - Sefton SA2?
In the Chester Hill - Sefton SA2, 15.2% of rentals are $0-149/week, 21.4% are $150-349/week, 57.8% are $350-649/week, 5.4% are $650-949/week, and 0.2% are $950+/week.
What is the average monthly housing cost in the Chester Hill - Sefton SA2?
The aggregate monthly housing cost in the Chester Hill - Sefton SA2 is $1,365, which represents the average monthly cost across all housing types.
What percentage of income do residents spend on housing in the Chester Hill - Sefton SA2?
In the Chester Hill - Sefton SA2, households with mortgages typically spend 35.3% of their income on mortgage repayments, while renters spend 28.3% of their income on rent.
How crowded are homes in the Chester Hill - Sefton SA2?
The average persons per bedroom ratio in the Chester Hill - Sefton SA2 is 1.0, indicating the level of household density.
How does housing affordability in the Chester Hill - Sefton SA2 compare to the region?
Housing affordability in the Chester Hill - Sefton SA2 shows mortgage holders spending 35.3% of income on repayments (vs 27.0% regionally), while renters spend 28.3% of income on rent (vs 22.6% regionally).
What types of dwellings are most common in the Chester Hill - Sefton SA2?
The dwelling mix in the Chester Hill - Sefton SA2 consists of 72.5% detached houses, 13.9% semi-detached dwellings, 13.4% apartments, and 0.2% other dwelling types.
What is the weighted average housing cost based on tenure mix in the Chester Hill - Sefton SA2?
Factoring in the ownership distribution, the weighted average monthly housing cost is approximately $1,365. This accounts for outright owners paying no housing costs, mortgage holders paying $2,167/month, and renters paying $1,732/month.
How affordable is housing in the Chester Hill - Sefton SA2 relative to local incomes?
Housing in Chester Hill - Sefton consumes approximately 22.3% of median household income ($6,127 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 Chester Hill - Sefton SA2?
Recent development applications in Chester Hill - Sefton show attached dwellings contributing 67% of approvals compared to 28% of existing stock, while detached houses represent 33% of applications versus 72% of current dwellings. This suggests increasing densification. This area is seeing substantial increases in dwelling density compared to most Australian locations.

HouseholdsHousehold Composition in Chester Hill - Sefton

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Chester Hill - Sefton counted 5,785 households at the 2021 Census, an estimated 6,119 today, averaging 3.2 people each. 42% are couples with children, more than in 84% of areas nationally, against 16% couples without children. 21% of households are people living alone, and families average 1.8 children. Household and family composition is measured only by the Census, so these are 2021 figures.

Detail

Families make up the vast majority of households at 76.4%, consisting of couples with children (42.3%), couples without children (15.5%), and single parent households (16.8%). Non-family living arrangements account for the remaining 23.6%, which is dominated by lone person households at 21.1% and group houses at 2.5%. The typical household size is 3.2 people, which is larger than the Greater Sydney average of 2.7.

Frequently Asked Questions - Households

How many households are in the Chester Hill - Sefton SA2?
As of the 2021 Census, the Chester Hill - Sefton SA2 had 5,785 households. Based on population growth patterns, this has grown by approximately 5.8% to an estimated 6,119 households today.
What is the typical household size?
The median household size in the Chester Hill - Sefton SA2 is 3.2 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 76.4% of all households. The remaining households consist of lone person households (21.1%), group households (2.5%), and other household types (0.0%).
How are families structured in the area?
Among the 4,419 family households, 42.3% are couples with children, 15.5% are couples without children at home, and 16.8% are single parent families. This mix shapes local demand for schools, family services, and housing types.
How does the Chester Hill - Sefton SA2 compare to regional household patterns?
Compared to Greater Sydney, the Chester Hill - Sefton 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 Chester Hill - Sefton SA2 have an average of 1.8 children, slightly above 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 Chester Hill - Sefton SA2?
Marriage patterns reveal 46.4% of the adult population are currently married, while 35.6% 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 21.1% of all households in the Chester Hill - Sefton 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 2.5% 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 Chester Hill - Sefton

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22.4% of adults in Chester Hill - Sefton hold a university qualification, including 16.4% with a bachelor degree and 4.8% with postgraduate qualifications. A further 17.7% hold a vocational qualification. 8 schools serve the area, with 5,046 enrolment places and an average ICSEA of 977 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 challenges are apparent in the locality, with university completion rates at 22.4%, which is far lower than the 39.1% average for the SA4 region, highlighting a key area for targeted educational programs. Bachelor degrees are the most common tertiary qualification at 16.4%, followed by postgraduate degrees at 4.8% and graduate diplomas at 1.2%. Vocational and technical training is common, with 28.3% of residents aged 15+ holding qualifications, consisting of advanced diplomas (10.6%) and certificates (17.7%). Enrollment rates are high, with 38.3% of the population participating in some form of structured learning.

This group includes 12.4% in primary schools, 11.6% in secondary schools, and 6.9% studying at the tertiary level.

Frequently Asked Questions - Education

What percentage of people in the Chester Hill - Sefton SA2 have university qualifications?
22.4% of people aged 15 and over in the Chester Hill - Sefton SA2 have university qualifications, compared to 38.0% in the broader region.
What percentage of people in the Chester Hill - Sefton SA2 have no formal qualifications?
49.3% of people aged 15 and over in the Chester Hill - Sefton SA2 have no formal qualifications, compared to 34.2% regionally.
How does the Chester Hill - Sefton SA2's education level compare to national averages?
The chester hill - sefton sa2 ranks in the 37th percentile nationally for education based on AreaSearch's analysis of qualification and performance metrics.
What types of qualifications are most common in the Chester Hill - Sefton SA2?
The most common qualifications in the Chester Hill - Sefton SA2 are: Certificate (17.7%), Bachelor Degree (16.4%), Advanced Diploma (10.6%).
What proportion of the Chester Hill - Sefton SA2's population is currently attending educational institutions?
38.3% of the population in the Chester Hill - Sefton SA2 is currently engaged in formal education, with 12.4% in primary school, 11.6% in secondary school, 6.9% at university.
What is the ICSEA score for schools in the Chester Hill - Sefton SA2?
The average ICSEA (Index of Community Socio-Educational Advantage) score for schools in the Chester Hill - Sefton SA2 is 977, indicating below-average socio-educational advantage compared to the national average of 1000.
How many schools are located within the Chester Hill - Sefton SA2?
There are 8 schools within the Chester Hill - Sefton SA2, with a combined enrollment of approximately 5,046 students.
What types of schools are available in the Chester Hill - Sefton SA2?
The chester hill - sefton sa2 includes 4 primary schools, 2 secondary schools, 2 combined schools.

Schools Detail

AmenitiesServices & Amenities in Chester Hill - Sefton

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Getting AroundTransport & Commuting in Chester Hill - Sefton

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Public transport in Chester Hill - Sefton reaches 162 stops on 32 routes, timetabled for about 3,000 services a week. The typical home sits about 130 m from its nearest stop. Buses carry the largest share of public transport commuters. Households keep an average of 1.4 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

A review of public transport options shows 162 active bus and train stops in Chester Hill - Sefton. These facilities are connected to 32 separate routes, which combine to support 3,037 passenger trips per week. Transport links are excellent, with residents living an average of 127 meters from the nearest stop. The neighborhood is mostly residential, meaning most workers travel outside the area for employment, with private vehicles remaining the primary commute mode at 83% and trains accounting for 10%. Household vehicle ownership stands at 1.4 cars per dwelling, which is above the regional average, and 32.4% of residents worked from home according to the 2021 Census, which may have been influenced by COVID-19 rules.

Routes in the area run an average of 433 trips per day, which translates to about 18 weekly services for each individual stop. The map provided shows the locations of the 100 closest transit stops to the center of the area.

Frequently Asked Questions - Transport

How many public transport stops are in Chester Hill - Sefton?
There are 162 public transport stops within the Chester Hill - Sefton SA2.
How frequent are the transport services in Chester Hill - Sefton?
the Chester Hill - Sefton SA2 has 3,037 weekly trips across 32 routes, averaging 433 trips per day.
How far are residents from public transport in Chester Hill - Sefton?
On average, residential properties are 127 meters from the nearest transport stop.

Transport Stops Detail

HealthcareHealth Services in Chester Hill - Sefton

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77.1% of residents in Chester Hill - Sefton report no long-term health condition, a healthier profile than 82% of areas nationally. 6.8% need daily assistance with core activities, and 46.3% hold private health cover. The standardised death rate runs at 4.4 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.

Detail

The local population displays excellent health metrics based on AreaSearch's evaluation of death rates and chronic illness rates, with younger generations exhibiting low rates of common medical issues. However, private health insurance coverage is low at about 46% of the population (~10,207 people), compared to 59.9% in Greater Sydney and a national average of 55.7%. Arthritis and diabetes represent the most frequent health issues in the area, affecting 6.1% and 5.8% of the population, respectively. Meanwhile, 77.1% of residents reported having no chronic medical conditions, which is higher than the 74.6% recorded in Greater Sydney.

Residents of working age are generally healthy with a low incidence of chronic illnesses. In Chester Hill - Sefton, 14.6% of the population is aged 65 and over (3,207 people), and senior health outcomes are above average, though they rank lower nationally than the rest of the local community.

Frequently Asked Questions - Health

How many people in the Chester Hill - Sefton SA2 have private health insurance?
Around 46.3% of people in the Chester Hill - Sefton 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 Chester Hill - Sefton SA2?
In the Chester Hill - Sefton SA2, 6.8% 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 Chester Hill - Sefton SA2?
5.5% of people in the Chester Hill - Sefton 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 Chester Hill - Sefton SA2?
Diabetes affects 5.8% of the the Chester Hill - Sefton 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 Chester Hill - Sefton SA2?
2.7% of people in the Chester Hill - Sefton SA2 have heart disease. Across the region of Greater Sydney, 3.2% of the population is affected by heart disease.
How does the Chester Hill - Sefton SA2 compare to the region in terms of overall private health coverage?
In the Chester Hill - Sefton SA2, 46.3% 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 Chester Hill - Sefton

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49.2% of Chester Hill - Sefton residents were born overseas and 70.3% speak a language other than English at home, more culturally diverse than 94% of areas nationally. The largest reported ancestries are Lebanese (16.7%) and Chinese (12.8%). Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.

Detail

Cultural diversity is exceptionally high in Chester Hill - Sefton, with 49.2% of the population born outside Australia and 70.3% using a language other than English at home. Islam is the most common religious affiliation, represented by 38.2% of the local population, compared to 6.8% across Greater Sydney. Regarding parent birthplaces, the largest groups represented in Chester Hill - Sefton are Other at 22.1% (well above the regional average of 16.0%), Lebanese at 16.7% (well above the regional average of 2.6%), and Chinese at 12.8%. Other notable ethnic backgrounds include Vietnamese at 11.6% of Chester Hill - Sefton (compared to 1.8% regionally), Samoan at 0.7% (compared to 0.5% regionally), and Korean at 0.8% (compared to 1.1% regionally).

Frequently Asked Questions - Diversity

What is the level of cultural diversity in the Chester Hill - Sefton SA2?
Chester Hill - Sefton is among the most culturally diverse areas in the country, with 49.2% of its population born overseas and 70.3% speaking a language other than English at home.
What is the most common religion in the Chester Hill - Sefton SA2?
The main religion in Chester Hill - Sefton was found to be Islam, which makes up 38.2% of people in Chester Hill - Sefton. This compares to 6.8% across Greater Sydney.
What are the top countries of origin in the Chester Hill - Sefton SA2?
In terms of ancestry (country of birth of parents), the top three represented groups in Chester Hill - Sefton are Other, comprising 22.1% of the population, which is substantially higher than the regional average of 16.0%, Lebanese, comprising 16.7% of the population, which is substantially higher than the regional average of 2.6%, and Chinese, comprising 12.8% of the population. Additionally, there are notable divergences in the representation of certain other ethnic groups: Vietnamese is notably overrepresented at 11.6% of Chester Hill - Sefton (vs 1.8% regionally), Samoan at 0.7% (vs 0.5%) and Korean at 0.8% (vs 1.1%).
How does the percentage of people born overseas compare to the regional average?
49.2% of the the Chester Hill - Sefton SA2 population was born overseas, compared to 40.5% regionally.
What percentage of the the Chester Hill - Sefton SA2 population speaks a language other than English at home?
70.3% of the population in the Chester Hill - Sefton SA2 speaks a language other than English at home, compared to 39.5% in the wider region.
How many people in the Chester Hill - Sefton SA2 identify as Australian Aboriginal?
0.5% of the the Chester Hill - Sefton SA2 population identifies as Australian Aboriginal, compared to 1.3% in the region.
What is the citizenship status of the population in the Chester Hill - Sefton SA2?
77.8% of the the Chester Hill - Sefton SA2 population holds citizenship, compared to 80.8% in the wider region.

Age StructureAge Profile of Chester Hill - Sefton

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The median resident of Chester Hill - Sefton is 34, younger than 84% of areas nationally. 29.9% 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 34 years in Chester Hill - Sefton is slightly below the Greater Sydney average of 37 and younger than the Australian median of 38 years. Compared to Greater Sydney, the area has a higher share of youth aged 15 - 24 (16.1%) but fewer residents aged 35 - 44 (12.8%). Since the 2021 Census, the proportion of residents aged 15 to 24 grew from 14.7% to 16.1%, while the cohort aged 5 to 14 fell from 14.9% to 13.9%. Population forecasts for 2041 point to significant changes, with the 75 to 84 bracket expected to grow the most at 77%, adding 685 people to reach 1,578.

Seniors aged 65 and over are projected to account for 57% of total population growth, reflecting broader aging patterns, while declines are projected for children aged 0 to 4 and 5 to 14.

Frequently Asked Questions - Age

What is the median age in the Chester Hill - Sefton SA2?
According to the latest data, the median age in the Chester Hill - Sefton SA2 is 34 years.
How does the Chester Hill - Sefton SA2's median age compare to broader areas?
At 34 years, Chester Hill - Sefton is 3 years younger than the Greater Sydney average (37 years) and 4 years younger than the national average (38 years).
What age groups are over-represented in the Chester Hill - Sefton SA2?
The most over-represented age group in the Chester Hill - Sefton SA2 compared to the Greater Sydney region is the 15 - 24 group, making up 16.1% of the population.
What age groups are under-represented in the Chester Hill - Sefton SA2?
The most under-represented age group in the Chester Hill - Sefton SA2 compared to the Greater Sydney region is the 35 - 44 group, making up 12.8% of the population.
Are there age groups with notable population variances?
No, the age distribution in the Chester Hill - Sefton SA2 is broadly in line with the Greater Sydney region.
What is the percentage of children (0-14 years) in the Chester Hill - Sefton SA2?
The percentage of children aged 0-14 years in the Chester Hill - Sefton SA2 is 20.1%.
What is the percentage of older people (65+ years) in the Chester Hill - Sefton SA2?
The percentage of people aged 65 and over in the Chester Hill - Sefton SA2 is 14.6%.

Data & MethodBoundaries, Sources & Method for Chester Hill - Sefton

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 Aug 2026 this month all 20 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 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 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 — 195 validated new addresses here. The headline figure is therefore a current estimate for May 2026, not a 2021 count (20,842 at the 2021 Census → 22,047 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 (125031479). 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 Chester Hill - Sefton 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 Chester Hill - Sefton 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 Chester Hill - Sefton 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 (Aug 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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