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 $620k. 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 22,149 residents, up from 20,842 at the 2021 Census — a change of 1,307 people, or 6.3%. Growth has averaged 0.9% a year over five years. 252 new addresses have been validated here since Census night. Overseas migration accounts for 64.2% of that increase. That puts 3,047 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

Chester Hill - Sefton is home to an estimated 22,149 people as of Aug 2026, according to analysis by AreaSearch. In comparison with the 2021 Census tally of 20,842 people, the locality has expanded by 1,307 people (6.3%). This net expansion is calculated using the June 2025 ABS estimated resident population of 21,807 alongside 252 validated new addresses recorded post-Census. With 3,046 persons per square kilometer, population density sits within the upper quartile among all assessed Australian locations. Over the preceding ten years, the community achieved steady momentum via a 1.5% compound annual growth rate, exceeding the broader SA3 district.

Inbound overseas migration formed the primary engine of local expansion, accounting for roughly 64.2% of total population additions in recent times. Projections compiled by ABS/Geoscience Australia (issued in 2024 using 2022 as baseline) are applied by AreaSearch across SA2 locations, while missing areas utilise NSW State Government SA2 modeling (released in 2022 with a 2021 base year). Age-specific expansion trajectories from these sources are likewise integrated across all districts for the years 2032 to 2041. Looking forward, local demographic expansion is anticipated to track slightly beneath the nationwide statistical area median. Current annual ERP benchmarks suggest the community will add 2,353 persons by 2041, representing a cumulative rise of 9.1% across the 16-year horizon.

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 22,149 as at Aug 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 1,307 people and shown a 6.27% 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 3,046 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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592 new dwellings have been approved in Chester Hill - Sefton over the past five years, an average of 118 a year. That places the area in the 70th percentile for residential development activity nationally, about 5 approvals per 1,000 residents a year. Of the 118 dwellings approved in the latest reporting year, 36% were detached houses and the rest townhouses or apartments. Figures come from ABS building approvals aggregated to this SA2 boundary and are updated monthly as the ABS releases them.

Detail

Over the past 5 financial years (between FY-22 and FY-26), residential building approvals in Chester Hill - Sefton have averaged roughly 118 properties annually, yielding 592 homes in aggregate. The influx of 1.6 new residents per year per approved dwelling over this timeframe highlights a balanced residential market with stable supply-demand fundamentals. Construction costs for new residences average $357,000, sitting beneath broader regional benchmarks and providing relatively attainable options for purchasers. In addition, commercial building consents reached $64.1 million during this financial year, reflecting substantial capital commitment from local enterprise.

Relative to Greater Sydney, per-capita residential development in Chester Hill - Sefton is 16.0% lower, placing the area at the 61st percentile nationally. Recent building activity consists of 36.0% detached dwellings alongside 64.0% townhouses or apartments. This pivot toward higher-density building provides accessible pathways for first-time buyers, downsizers, and property investors. Compared with the existing residential stock (72.0% houses), this shift underscores shrinking greenfield land availability, changing consumer preferences, and rising requirements for varied and economical housing forms. The locality records roughly 223 people per dwelling approval, representative of a low-density property environment. Projections derived from the latest AreaSearch quarterly estimate indicate Chester Hill - Sefton will add 2,010 residents leading up to 2041. Sustaining current construction volumes will allow residential supply to adequately satisfy demographic demand, fostering favourable conditions for purchasers and potentially facilitating population expansion beyond baseline expectations.

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 201 residential approvals over the past two financial years, based on AreaSearch's SA2 aggregation method. The Chester Hill - Sefton SA2's current population of 22,149 has been supported by 118 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 0.62 approvals in the broader region. This means that one dwelling has been approved for every 223 people in the Chester Hill - Sefton SA2, compared to one for every 165 in the broader region.
Is the Chester Hill - Sefton SA2 keeping up with housing demand?
With the population expected to increase by 2,010 people by 2041, around 670 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 below the yearly average of 118, indicating a recent decline in approval activity.
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 2,010 people by 2041, necessitating approximately 670 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 592 residential approvals were recorded. This equates to a ratio of 10.2 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 118 approvals per year and a population of 22,149, 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 2,010 people by 2041, around 670 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 20 current infrastructure and development projects inside Chester Hill - Sefton, worth an estimated $971 million. A further 141 sit in the immediately surrounding suburbs, taking the tracked pipeline within reach of the area to $30 billion. 38 are already under construction and 72 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 investment and strategic urban planning play a major role in regional performance. AreaSearch has identified 28 projects positioned to influence the area. Key works include the Villawood Town Centre Redevelopment (Kinara Place), Chester Square Redevelopment, Condell Park High School Upgrade, and Chester Hill Station Upgrade.

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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

Central Sydney Logistics Estate
Category: Business Parks & Technology Hubs
Stage: Construction | Est. Comp: 2026
Source / Links: Link 1   Link 2  

A $110.4 million major state-significant industrial logistics estate occupying a 12.6-hectare site at 2 Christina Road in Villawood. The project delivers 12 modern high-clearance warehouse and distribution buildings totaling 69,000 sqm of gross floor area with 24-hour operational approval[cite: 1].

Business Parks & Technology Hubs

Birmingham Industry Park
Category: Business Parks & Technology Hubs
Stage: Construction | Est. Comp: 2026
Source / Links: Link 1   Link 2  

A premium multi-unit infill industrial and logistics estate developed by ESR Australia spanning approximately 58,600 sqm of prime warehousing space. The development features flexible tenancy configurations, rooftop solar arrays, EV charging infrastructure, dedicated outdoor green space, and targets a 5 Star Green Star rating.

Business Parks & Technology Hubs

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

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 52.3%. 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 labour force in Chester Hill - Sefton spans multiple industries, with a jobless rate of 10.8% and an estimated 3.7% yearly rise in employment. As of March 2026, 8,146 residents are employed. However, the local unemployment rate sits 6.7% higher than the Greater Sydney mark of 4.1%, and labour force participation remains subdued at 52.3% versus 68.9% across Greater Sydney. Census records showed 32.4% of workers operated from home, though this figure reflects the influence of Covid-19 restrictions. Resident employment is primarily clustered within health care & social assistance, retail trade, and manufacturing.

Notably, the manufacturing sector demonstrates high local concentration, capturing a share 1.8 times the metropolitan average. Conversely, professional & technical roles account for only 5.8% of the local workforce compared with 11.5% across Greater Sydney. Comparing Census local job counts against total resident workers highlights that this predominantly residential district provides limited internal employment opportunities. AreaSearch evaluation of ABS and SALM figures indicates that during the 12 months to March 2026, employment grew by 3.7% against a 3.2% increase in the labour pool, reducing the unemployment rate by 0.5 percentage points. In Greater Sydney, employment grew by 1.9%, the labour force expanded by 1.9%, and unemployment edged down slightly. Nationwide employment projections from Jobs and Skills Australia as of Mar-26 outline prospective occupational trends for Chester Hill - Sefton across five- and ten-year horizons. Across Australia, employment is projected to expand by 6.6% over five years and 13.7% over ten years, with divergence across individual sectors. Applying these industry growth rates to the local occupational structure indicates expected local employment gains of 6.1% over five years and 13.0% over ten years (a weighted illustrative model that excludes local 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 52.3%, 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 68.9%, 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

According to financial year 2023 ATO postcode statistics aggregated by AreaSearch, Chester Hill - Sefton SA2 recorded a median taxpayer earnings figure of $43,233 and an average of $52,830, tracking below Australian norms and trailing Greater Sydney ($60,817 median; $83,003 average). Factoring in a 10.32% Wage Price Index increase since financial year 2023, modelled values reach approximately $47,695 (median) and $58,282 (average) as of March 2026. Census results place individual median income in the 4th percentile ($517 weekly), whereas household metrics reach the 30th percentile. The $1,500 - 2,999 weekly bracket accounts for 30.3% of the populace (6,711 individuals), aligning with the 30.9% metropolitan benchmark.

Housing affordability constraints remain pronounced, with only 77.7% of income uncommitted to housing costs, ranking 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% / 6,711 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 lower than average on a national basis, 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

At the time of the most recent Census, Chester Hill - Sefton's dwelling profile comprised 72.5% houses alongside 27.5% other dwellings (apartments, semi-detached, and alternative residences), contrasting with 55.9% houses and 44.1% other dwellings across Sydney metro. Outright property ownership stood at 29.0%, mirroring the wider metropolitan rate, while 31.2% of homes had an active mortgage and 39.8% were rented. Median monthly home loan repayments were $2,167, well below Sydney metro's $2,427, while median weekly rent was $400 versus $470 across Sydney metro. On a nationwide basis, local mortgage repayments surpass the Australian benchmark of $1,863, and weekly rents exceed the $375 national average.

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?
Accounting for the local ownership mix, 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 64% of approvals compared to 28% of existing stock, while detached houses represent 36% 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 6,148 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

Family units constitute 76.4% of all local households, divided between couples with children (42.3%), couples without children (15.5%), and single parent families (16.8%). The remaining 23.6% are non-family arrangements, encompassing lone person dwellings (21.1%) and group households (2.5%). The typical household comprises 3.2 people, higher 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 6.3% to an estimated 6,148 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 attainment in the district shows lower tertiary completion, with 22.4% holding a university qualification compared to 39.1% across the SA4 region. Bachelor degrees represent 16.4% of qualifications, followed by postgraduate degrees at 4.8% and graduate diplomas at 1.2%. Vocational and technical pathways are well established, as 28.3% of persons aged 15+ hold vocational credentials, consisting of advanced diplomas (10.6%) and certificates (17.7%). Formal learning engagement is substantial across the area, with 38.3% of the resident population actively studying. This cohort includes 12.4% attending primary school, 11.6% in secondary education, and 6.9% engaged in tertiary studies.

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 161 stops on 32 routes, timetabled for about 2,700 services a week. The typical home sits about 130 m from its nearest stop. Trains 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

Chester Hill - Sefton contains 161 active public transport stops covering both buses and trains. Network operations include 32 separate routes generating 2,696 passenger trips per week, with average stop proximity measured at 127 meters. Given the residential setting, outbound travel prevails, with 83% of commuters travelling by car and 10% by train. Motor vehicle ownership stands at 1.4 per dwelling, surpassing regional levels. Additionally, 32.4% of working residents recorded working from home (2021 Census; influenced by COVID-19 conditions). Public transport operations provide an average of 385 daily trips across the transit network, translating to roughly 16 weekly departures per individual stop.

The 100 closest transit stops relative to the centrepoint are displayed on the accompanying map.

Frequently Asked Questions - Transport

How many public transport stops are in Chester Hill - Sefton?
There are 161 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 2,696 weekly trips across 32 routes, averaging 385 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

Chester Hill - Sefton records favourable health indicators based on AreaSearch analysis of chronic illness rates and mortality, with younger residents displaying particularly low rates of common health ailments. Private health insurance uptake is comparatively low at roughly 46% of the population (~10,254 people), trailing Greater Sydney (59.9%) and the Australian benchmark (55.7%). Arthritis and diabetes represent the most prevalent diagnosed conditions, affecting 6.1 and 5.8% of residents, respectively. A notable 77.1% of the community reported having no chronic medical conditions, outperforming the 74.6% figure across Greater Sydney. Working-age cohorts exhibit solid health profiles with minimal chronic disease.

The population includes 3,233 people aged 65 and over (14.6% of residents); while older residents achieve above-average health results, their relative national ranking is slightly lower than that of younger cohorts.

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

Chester Hill - Sefton exhibits significant cultural diversity, with 49.2% of residents born abroad and 70.3% using a language other than English in their homes. Islam constitutes the most widely declared religion at 38.2% of the local population, contrasting with 6.8% across Greater Sydney. In parental country of birth statistics, the leading ancestry classifications in Chester Hill - Sefton are Other at 22.1% (compared to 16.0% across the region), Lebanese at 16.7% (compared to 2.6% regionally), and Chinese at 12.8%. Additional distinct cultural groups include Vietnamese at 11.6% (versus 1.8% regionally), Samoan at 0.7% (versus 0.5%), and Korean at 0.8% (versus 1.1%).

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. 30.2% of residents are aged 15 to 34. Age cohorts are not raw Census counts: the Census split is re-based to the latest ABS population estimates and state projections.

Detail

The demographic profile of Chester Hill - Sefton leans toward younger age groups. As at August 2026, children and young adults (0 - 24) represent 35.6% of the community (compared to 30.4% in Greater Sydney), while young to middle aged adults (25 - 44) account for 27.4% (against 31.4% regionally). AreaSearch places the median age at 34 as at August 2026, matching the 2021 Census and sitting 3 years younger than Greater Sydney's 37. Since the Census, the fastest-growing segment has been retiree and elderly cohorts (65+), rising from 13.6% to 14.6%.

Projections to 2041 indicate senior cohorts will drive the bulk of local growth, expanding by 1,420 residents (44%) to 4,654, whereas young to middle aged adults and children and young adults are expected to decrease.

Frequently Asked Questions - Age

What is the median age in the Chester Hill - Sefton SA2?
AreaSearch estimates the median age in the Chester Hill - Sefton SA2 at 34 years as at August 2026. That is in line with the 2021 Census figure of 34 years, on an age profile AreaSearch re-estimates for population change recorded since the Census.
How does the Chester Hill - Sefton SA2's median age compare to broader areas?
At an estimated 34 years as at August 2026, Chester Hill - Sefton is 3 years younger than the Greater Sydney 2021 Census average (37 years) and 4 years younger than the national Census average (38 years).
What age groups are over-represented in the Chester Hill - Sefton SA2?
On AreaSearch estimates updated to August 2026, 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 15.7% of the population.
What age groups are under-represented in the Chester Hill - Sefton SA2?
On AreaSearch estimates updated to August 2026, 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 12.9% 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?
AreaSearch estimates children aged 0-14 years at 19.9% of the population in the Chester Hill - Sefton SA2 as at August 2026.
What is the percentage of older people (65+ years) in the Chester Hill - Sefton SA2?
AreaSearch estimates people aged 65 and over at 14.6% of the population in the Chester Hill - Sefton SA2 as at August 2026.

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) Aug 2026 last month headline measures · 2021 Census baseline
Re-based to the ABS Estimated Resident Population (June 2025 release) and updated with new dwellings from GNAF address data. Current to Aug 2026, with the 2021 Census supplying the small-area baseline.
Age profile ABS, Geoscience Australia, State governments Annual Aug 2026 last month headline measures · 2021 Census baseline
Age cohorts are re-based to the latest ABS population estimates and state projections, current to Aug 2026. Each cohort is held as a Census baseline and a current estimate.
Development & approvals ABS, GNAF Monthly (ABS approvals) Aug 2026 last month headline measures · Jun 2026 baseline
Property sales & rents Valuer General, Rental Board, ABS Weekly sales, quarterly rents Aug 2026 last 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 last 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 6 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 last month headline measures · 2021 Census baseline
Transport ABS, State Transport Departments Each timetable release Jul 2026 2 months ago headline measures · 2021 Census baseline
Services & amenities Provider directories, ACECQA Continuous Jul 2026 2 months ago 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 — 252 validated new addresses here. The headline figure is therefore a current estimate for Aug 2026, not a 2021 count (20,842 at the 2021 Census → 22,149 now). Annual growth rates are compound (CAGR), not simple averages.

Age profile

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

Property sales

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

Rents

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

Development & infrastructure

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

Employment & income

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

Education, transport & amenities

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

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

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

Cross-check us. The Census baseline for this boundary is at ABS 2021 Census QuickStats (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 (Aug 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 Aug 2026), age profile (to Aug 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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