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This analysis uses Suburbs and Localities (SAL) boundaries, which can materially differ from Statistical Areas (SA2) even when sharing the same name.
SAL boundaries are defined by Australia Post and the Australian Bureau of Statistics to represent commonly-known suburb names used in postal addresses.
Statistical Areas (SA2) are designed for census data collection and may combine multiple suburbs or use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.
est. as @ -- *
2021 Census | -- people
The median house price in Thirlmere is $1.00m, with units at $642k. House values have moved 5.0% 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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Sales Detail
Thirlmere has an estimated 5,671 residents, up from 4,986 at the 2021 Census — a change of 685 people, or 13.7%. Growth has averaged 2.2% a year over five years, faster than 81% of areas nationally. 274 new addresses have been validated here since Census night. Interstate and internal migration accounts for 65.0% of that increase. That puts 173 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 AreaSearch evaluations combining regional ABS population statistics and post-Census address validations, the suburb of Thirlmere reaches an estimated 5,671 residents as of Aug 2026. This marks an expansion of 685 people (13.7%) above the 4,986 people tallied in the 2021 Census. Such growth is determined from an estimated resident base of 5,362 derived from the ABS ERP release in June 2025 alongside 274 validated new addresses recorded post-Census. With a density of 172 persons per square kilometer, the suburb of Thirlmere offers generous open space alongside capacity for upcoming expansion.
Outpacing both Greater Sydney and the overall state benchmark of 7.3%, the suburb of Thirlmere stands as a major regional growth centre with its 13.7% increase. Inbound interstate migration served as the primary catalyst by generating roughly 65.0% of recent population additions, complemented by positive contributions from natural increase and overseas arrivals. Projections for each SA2 area are sourced by AreaSearch from 2024 ABS/Geoscience Australia models pegged to a 2022 baseline, supplemented where necessary by 2022 NSW State Government SA2 figures based in 2021. For the period spanning 2032 to 2041, cohort-specific age trajectories from these datasets are applied across all districts. Looking ahead, demographic modeling points to an above-median expansion trajectory relative to nationwide statistical divisions, with the suburb of Thirlmere anticipated to add 1,022 persons by 2041 under SA2 aggregations, translating to a total cumulative rise of 12.6% over the 16 years.
Frequently Asked Questions - Population
457 new dwellings have been approved in Thirlmere over the past five years, an average of 91 a year. That places the area in the 76th percentile for residential development activity nationally, about 16 approvals per 1,000 residents a year. Of the 91 dwellings approved in the latest reporting year, 65% were detached houses and the rest townhouses or apartments. Approvals are currently running at an annualised 64, well below that longer-run average. Figures come from ABS building approvals aggregated to this Suburb (SAL) boundary and are updated monthly as the ABS releases them.
Detail
Statistical allocations of ABS building approvals compiled by AreaSearch show that approximately 91 residential dwellings receive approval annually in Thirlmere, culminating in 457 approved homes across the past 5 financial years (between FY-21 and FY-25) alongside 64 approvals recorded to date in FY-25. An absorption rate averaging 1.2 new residents per year per dwelling constructed over the past 5 financial years (between FY-21 and FY-25) indicates well-aligned supply and demand underpinning steady market conditions. Meanwhile, construction costs for new dwellings average $383,000, sitting beneath regional benchmarks to deliver more attainable housing opportunities.
Non-residential development comprised $4.7 million in commercial approvals during the current financial year, underscoring the predominantly domestic focus of the area. Per-capita development velocity in Thirlmere aligns closely with Greater Sydney, preserving balanced market absorption matching the surrounding region even though recent building momentum has moderated. Activity remains well above national standards, signaling solid ongoing builder commitment. Current building authorizations divide into 65.0% standalone houses and 35.0% attached dwellings or apartments, broadening the availability of medium-density formats and delivering price alternatives from conventional family homes to compact options. This marks a clear transition from the historical stock of 90.0% houses, prompted by tightening land reserves, evolving household preferences, and the requirement for accessible price points. A ratio of roughly 93 people per approval characterizes Thirlmere as an active growth locality. Demographic outlooks project an influx of 713 residents into Thirlmere by 2041 relative to the latest quarterly estimate from AreaSearch. Prevailing residential building rates are positioned to comfortably satisfy this incoming demand, providing favorable purchasing conditions and potentially enabling local demographic gains to surpass baseline expectations.
Frequently Asked Questions - Development
Development applications around Thirlmere
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| Lodged | Address | Description | Type | Distance | Status |
|---|
SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
AreaSearch tracks 33 current infrastructure and development projects close to Thirlmere, worth an estimated $23.5 billion. 12 are already under construction and 6 are due for completion within three years. The pipeline spans communities, precincts & urban renewal, transport & logistics and education & training. 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
Strategic infrastructure upgrades, civic works, and planning developments exert a fundamental influence over local community performance. AreaSearch has pinpointed 3 projects positioned to influence the district, highlighted by the Tahmoor Marketplace Expansion, Tahmoor Town Centre Revitalisation, Tahmoor South Coal Project, and Maldon to Dombarton Freight Rail Line, with key initiatives detailed below.
Professional plan users can use the search below to filter and access additional projects.
INFRASTRUCTURE SEARCH
Denotes AI-based impression for illustrative purposes only, not to be taken as definitive under any circumstances. Please follow links and conduct other investigations from the project's source for actual imagery. Developers and project owners wishing us to use original imagery please Contact Us and we will do so.
Frequently Asked Questions - Infrastructure
Tahmoor Marketplace Expansion
Planned expansion of Tahmoor Marketplace including additional specialty retail floorspace, supermarket improvements and expanded at-grade parking to support population growth in Tahmoor. The project remains in the planning phase with broader transport planning for the Tahmoor CBD progressing alongside future retail improvements.
Tahmoor Town Centre Revitalisation
Wollondilly Shire Council-led revitalisation of Tahmoor's main street and town centre, encompassing new retail and commercial spaces, public domain upgrades, and improved pedestrian connections along Remembrance Driveway. The project aims to reinforce Tahmoor as a key service hub for the Wollondilly Shire as the region experiences significant population growth.
Picton Parklands Master Plan
Council-adopted long-term master plan and plan of management for linked open space and recreation areas across Picton Parklands, including Picton Botanic Gardens, Hume Oval, Picton Sportsground, Monds Lane, Picton RSL Park and the creek corridors. Current delivery is focused on the Picton Sportsground multi-use field upgrade for soccer, cricket and Oztag, including earthworks, drainage, irrigation and lighting. Council lists this field upgrade as in progress, started January 2025 and due to finish April 2026, while the wider master plan remains staged subject to funding.
Wollondilly Cultural Precinct
Multi-stage civic and cultural precinct in Picton delivering a new Government Services Building (Stage 2, construction commenced mid-2025 by Kane Constructions, due end 2026), refurbished Shire Hall, Performing Arts Centre (completed 2024), and future new Library, Village Green and civic forecourt (Stage 3-4, due 2030). Designed by Williams Ross Architects, the four-storey Government Services Building features basement parking, council workspaces, a customer service area and commercial lettable space. The precinct consolidates council and government services, expands cultural facilities and creates new public space in the Picton town centre.Total estimated economic benefit of $732 million over 25 years.
Picton Bypass
Proposed 2.1-kilometre two-lane bypass of Picton town centre, linking Thirlmere and Tahmoor with the Hume Motorway via Picton Road. The route includes three bridges, the tallest around 38 metres above water level, and a 60km/h design speed. The bypass aims to reduce traffic congestion, improve safety, and provide an emergency evacuation route during bushfire and flood events, supplementing the heritage-listed Victoria Bridge. The NSW and Australian Governments have committed over 18 million dollars for planning, with MRB Technical Services engaged to prepare a concept design and environmental assessment.Ground investigations began in late September 2025 and further onsite investigation work is underway from April 2026 over a six month period to inform design development. A concept design is expected to be available for public feedback in late 2026.
Picton High School Redevelopment
Completed $60 million complete rebuild accommodating up to 2,000 students. Features modern classrooms, specialist performance areas, creative arts spaces, hospitality kitchens, sports facilities, trade workshops, covered outdoor learning areas, library, administration spaces. Students moved into new buildings Term 2, 2021 with full completion 2022.
Tahmoor South Coal Project
Underground longwall extension of the Tahmoor Colliery into the Bargo area, approved by the Independent Planning Commission in April 2021 (SSD-8445) and modified through to May 2025. The project was approved to extract up to 33 Mt of ROM coking coal from the Bulli seam via longwall mining, extending mine life to approximately 2032. The mine has been shut since February 2025 after owner SIMEC Mining (GFG Alliance) exhausted cash reserves. Liberty Primary Metals Australia entered voluntary administration in November 2025, and the NSW Supreme Court ordered liquidation in March 2026 with McGrathNicol appointed as liquidator.238 of 328 workers were made redundant in March 2026, with 90 retained for care and maintenance. The mine is being offered for sale with expressions of interest sought by the liquidator.
Panorama Net Zero Demonstration Home
Net zero demonstration display home at Landcom's Panorama community in North Wilton, delivered with McDonald Jones Homes. Features include ~7.92kW solar PV, a 10kW battery, EV charger, electric heat pump HWS, mechanical ventilation, airtight insulation, high-performance double-glazed windows, low VOC materials, recycled/low carbon materials (concrete, benchtops, tiles, lighting, tapware), climate resilience measures and permeable pavements. Designed as an interactive public education space to showcase affordable net zero design; completion targeted for late 2025.
2,886 residents of Thirlmere are employed, from a labour force of 2,991. Unemployment sits at 3.5%, with participation at 69.6%. 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, so in an area growing as fast as this one it understates the likely rise in local jobs. The working-day population is estimated at 4,859, about 86% of the resident population, so more people leave the area for work than travel in. Unemployment and labour force come from ABS Small Area Labour Markets, updated quarterly; the industry and occupation profile is from the 2021 Census.
Detail
A well-proportioned distribution between white-collar and blue-collar occupations defines Thirlmere's local workforce, with building trades demonstrating prominent concentration, an unemployment rate standing at just 3.5%, and an annual employment increase estimated at 3.8% through AreaSearch statistical area aggregations. As of March 2026, employed residents total 2,886, while the jobless rate sits 0.6% beneath the 4.1% recorded for Greater Sydney, and labour participation tracks closely with the wider metropolitan standard of 68.9%. Census records indicated that 25.8% of employed locals conducted their duties from home, though pandemic-related movement restrictions during that period should be acknowledged.
Local resident employment is heavily clustered within construction, health care & social assistance, and retail trade. Specialization in building and trade work is exceptionally pronounced, registering an employment concentration 2.0 times the regional average. Conversely, professional & technical occupations represent only 3.8% of the resident workforce, trailing the broader regional proportion of 11.5%. Comparing resident workers to the count of local workplace positions recorded at the Census highlights a constrained supply of jobs situated directly within the community. Analysis of SALM and ABS data, drawn from larger statistical regions, indicates that during the year to March 2026, employment rose by 3.8% and the labour force grew by 4.4%, leading to an increase in unemployment of 0.6 percentage points. In contrast, Greater Sydney experienced employment growth of 1.9%, labour force growth of 1.9%, and a slight decline in unemployment. Jobs and Skills Australia's national employment forecasts from Mar-26 provide additional perspective on potential future demand in Thirlmere. These projections, which span five and ten-year periods, have been overlaid with the local employment profile to estimate regional growth trends. Although national employment is projected to grow by 6.6% over five years and 13.7% over ten years, expansion varies considerably across industry sectors. When these sector-specific projections are applied to Thirlmere's employment composition, local employment is expected to rise by 6.1% over five years and 12.8% over ten years. This estimate relies on a straightforward weighting extrapolation for illustrative purposes and does not incorporate localized population projections.
Frequently Asked Questions - Employment
Median household income in Thirlmere is $1,708 a week (about $89,000 a year), with median personal income at $782 a week. ATO records put median taxable income at $53,563 a year against an average of $63,667. Household income is from the 2021 Census; taxable income is from ATO Taxation Statistics for the latest financial year available, indexed forward using the ABS Wage Price Index.
Detail
ATO tax summary metrics at the postcode level aggregated by AreaSearch for financial year 2023 place Thirlmere's median individual taxpayer income at $53,563 and the average at $63,667, trailing national benchmarks and falling short of Greater Sydney's median of $60,817 and average of $83,003. Applying a 10.32% rise in line with the Wage Price Index since financial year 2023 elevates estimated local earnings to roughly $59,091 (median) and $70,237 (average) as of March 2026. Across household, family, and individual brackets, Census income percentiles sit modestly between the 45th and 47th percentiles.
In terms of earnings distribution, 33.9% of residents (1,922 individuals) fall into the $1,500 - 2,999 weekly band, closely matching the 30.9% regional proportion. Mortgage and living costs leave households with 80.5% of income remaining, ranking at the 44th percentile and positioning the community in the 5th decile of the SEIFA income index.
Frequently Asked Questions - Income
Thirlmere had 1,759 occupied dwellings at the 2021 Census, 90% detached houses and 0% apartments. 43% are owned with a mortgage, 25% rented and 32% owned outright. At that Census the median rent was $420 a week and the median mortgage repayment $2,300 a month, a total housing cost higher than 77% of areas nationally. Rent absorbs 24.6% of household income here and mortgage repayments 31.1%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.
Detail
Residential structures recorded in Thirlmere during the most recent Census consisted of 90.2% separate houses alongside 9.8% alternative formats including semi-detached dwellings, units, and other structures, contrasting sharply with the Sydney metro split of 55.9% houses and 44.1% other dwellings. Outright home ownership reached 32.1%, exceeding metropolitan averages, while mortgaged properties accounted for 43.4% and rental accommodation comprised 24.5%. Typical monthly mortgage payments stood at $2,300, remaining below the Sydney metro level of $2,427, while median weekly rent was $420 compared to $470 across the metro region. Against nationwide figures, however, local monthly home loan obligations exceed the $1,863 Australian baseline, and weekly rents outpace the national norm of $375.
Frequently Asked Questions - Housing
Thirlmere counted 1,759 households at the 2021 Census, an estimated 2,001 today, averaging 2.7 people each. 33% are couples with children, against 31% couples without children. 23% 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
The domestic landscape is heavily centered around family units, which make up 76.1% of all households, consisting of 32.5% couples with children, 31.2% couples without children, and 11.6% single parent households. The non-family segment comprises 23.9% of dwellings, encompassing lone person residences at 22.6% and shared group arrangements at 1.3%. With an average of 2.7 people per dwelling, typical household size aligns exactly with the Greater Sydney norm.
Frequently Asked Questions - Households
15.3% of adults in Thirlmere hold a university qualification, including 10.3% with a bachelor degree and 3.1% with postgraduate qualifications. A further 35.2% hold a vocational qualification. 1 school serves the area, with 360 enrolment places and an average ICSEA of 966 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
Higher education qualifications present a distinct structural profile in the locality, with tertiary degree attainment at 15.3%, well below the Greater Sydney average of 38.0%. Among university graduates, Bachelor degrees account for 10.3%, followed by postgraduate awards at 3.1% and graduate diplomas at 1.9%. Vocational and technical training constitutes the primary educational strength, with 45.9% of residents aged 15+ possessing trade credentials, divided between advanced diplomas (10.7%) and certificates (35.2%). Participation in study is substantial across the community, with 28.4% of the population actively enrolled in an educational course. Broken down by stage, this includes 10.6% attending primary school, 7.9% in secondary school, and 2.9% engaged in higher education.
Frequently Asked Questions - Education
Schools Detail
Public transport in Thirlmere reaches 163 stops on 25 routes, timetabled for about 240 services a week. The typical home sits about 150 m from its nearest stop. Households keep an average of 1.8 vehicles. Stop and service counts are built from operators' published GTFS timetables and refresh with each timetable release; vehicle ownership is from the 2021 Census.
Detail
Public transit infrastructure in Thirlmere includes 163 operational stops providing bus connectivity across the area. A network of 25 separate routes runs across these locations, supplying a combined 240 weekly passenger trips. Access to transit services is rated as excellent, with dwellings situated an average of 152 meters from their closest boarding point. Given the area's residential profile, commuting is largely outbound, and private vehicles serve as the primary transport mode at 97%. Vehicle ownership stands at 1.8 per dwelling, exceeding the regional average, while 25.8% of workers operated from home during the 2021 Census under potential COVID-19 influences.
Daily route schedules average 34 trips across the network, translating to roughly 1 weekly trips per individual stop location. The adjoining mapping displays the 100 nearest stops surrounding the geographic centrepoint.
Frequently Asked Questions - Transport
Transport Stops Detail
64.1% of residents in Thirlmere report no long-term health condition, a less healthy profile than 77% of areas nationally. 6.1% need daily assistance with core activities, and 52.1% hold private health cover. The standardised death rate runs at 6.3 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.
Detail
Health indicators compiled by AreaSearch regarding chronic condition rates and mortality reveal ongoing wellbeing challenges in Thirlmere, with chronic ailments evident across younger and older demographics alike. Private health insurance membership stands at approximately 52% of the local population (~2,956 people), slightly surpassing the typical SA2 average while remaining below Greater Sydney's 59.9% coverage rate. Arthritis and mental health conditions represent the most widespread medical issues diagnosed locally, affecting 10.8 and 8.7% of residents, respectively, while 64.1% of locals reported no chronic medical conditions compared to 74.6% across Greater Sydney.
Working-age cohorts experience an elevated incidence of long-term health challenges. The senior demographic aged 65 and over comprises 21.3% of the community (1,207 people), tracking above the 15.5% share across Greater Sydney, with older resident health outcomes generally mirroring broader national patterns.
Frequently Asked Questions - Health
Thirlmere is largely Australian-born, at 88.8% of residents, with 5.7% speaking a language other than English at home. The largest reported ancestries are Australian (32.8%) and English (29.6%). 3.0% of residents identify as Aboriginal and/or Torres Strait Islander. Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.
Detail
Measures of cultural diversity in Thirlmere track below metropolitan averages, with Australian citizens accounting for 90.2% of the population, 88.8% born domestically, and 94.3% speaking exclusively English in the home. Christianity forms the predominant religious affiliation, encompassing 59.9% of residents, compared against 49.2% across Greater Sydney. Reflecting parental heritage, the most prevalent ancestral backgrounds in Thirlmere are Australian at 32.8% (outstripping the 17.8% regional proportion), English at 29.6% (above the 19.0% regional level), and Irish at 7.5%. Other cultural heritages exhibit distinctive local concentrations, including Maltese residents at 1.7% (compared to 1.0% regionally), Lebanese ancestry at 1.5% (against 2.6% regionally), and Croatian background at 0.8% (versus 0.7% regionally).
Frequently Asked Questions - Diversity
The median resident of Thirlmere is 37. That is 1 year younger than at the 2021 Census. 28.0% 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
Thirlmere displays an older age distribution than Greater Sydney. Seniors and retirees aged 65+ make up 21.3% of residents as at August 2026 compared to 15.5% across Greater Sydney, while adults in the 25 - 44 age bracket represent 26.3%, trailing the broader regional share of 31.4%. The median age is estimated at 37 as at August 2026, down from 38 at the 2021 Census and matching Greater Sydney's 37 recorded at that Census. The cohort aged 45 - 64 has reduced from 22.5% to an estimated 19.6% since the Census.
By 2041, the retiree and elderly segment is forecast to experience the largest numerical increase, expanding by 553 residents (46%) to reach 1,761, whereas young to middle-aged adult cohorts are expected to decrease over the same duration.
Frequently Asked Questions - Age
Data & MethodBoundaries, Sources & Method for Thirlmere
9 of 14 data sections on this page were updated within the last 12 months — the newest current to Oct 2026.
Everything is aggregated to the Suburb (SAL) boundary shown above, on a 2021 Census baseline. Only 3 sections — housing, households and cultural diversity — still wait on the 2026 Census.
The ledger — source, cycle and currency by section
| Section | Source & update cycle | Currency |
|---|---|---|
| Updated within the last 12 months 9 sections | ||
| Population | ABS, GNAF, Geoscience Australia Annual (ABS ERP) | Aug 2026 2 months ago headline measures · 2021 Census baseline |
| Re-based to the ABS Estimated Resident Population (June 2025 release) and updated with new dwellings from GNAF address data. Current to Aug 2026, with the 2021 Census supplying the small-area baseline. | ||
| Age profile | ABS, Geoscience Australia, State governments Annual | Aug 2026 2 months ago headline measures · 2021 Census baseline |
| Age cohorts are re-based to the latest ABS population estimates and state projections, current to Aug 2026. Each cohort is held as a Census baseline and a current estimate. | ||
| Development & approvals | ABS, GNAF Monthly (ABS approvals) | Aug 2026 2 months ago headline measures · Jul 2026 baseline |
| Property sales & rents | Valuer General, Rental Board, ABS Weekly sales, quarterly rents | Oct 2026 this month headline measures · Sep 2026 baseline |
| Sales from the state Valuer General register, refreshed weekly, and rents from quarterly rental bond lodgements. Both are read live each time this page loads, current to Oct 2026. | ||
| Infrastructure projects | Infrastructure Australia, Local governments Daily | May 2026 5 months ago all 2 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 May 2026. | ||
| Employment | ABS, DEWR, JSA Quarterly (ABS SALM) | Mar 2026 7 months ago headline measures · 2021 Census baseline |
| Unemployment and labour force from ABS Small Area Labour Markets, current to Mar 2026. The growth outlook applies Department of Employment (now Jobs and Skills Australia) forecasts for all 19 industry divisions to the local industry mix, so it measures sector composition rather than local expansion and makes no allowance for population growth. Job demand comes from the same agency via its Internet Vacancy Index; industry and occupation structure from the 2021 Census. | ||
| Education | ABS, ACARA Annual (ACARA) | Sep 2026 last month headline measures · 2021 Census baseline |
| Transport | ABS, State Transport Departments Each timetable release | Jul 2026 3 months ago headline measures · 2021 Census baseline |
| Services & amenities | Provider directories, ACECQA Continuous | Sep 2026 last month all 14 measures |
| Annual and financial-year sources 2 sections | ||
| Income | ABS, ATO Annual (ATO) | FY 2023 3 years ago headline measures · 2021 Census baseline |
| ATO taxable income statistics for FY 2023, indexed forward using the Wage Price Index. Census household income provides the distribution detail. | ||
| Health | ABS, ATO Annual | 2024 2 years ago headline measures · 2021 Census baseline |
| Census-measured — next update: 2026 Census 3 sections No more current small-area source exists for these, so they are labelled as Census-measured rather than implied to be current. | ||
| Housing | ABS 5-yearly (Census) | 2021 Census next update 2026 all 30 measures |
| Households | ABS 5-yearly (Census) | 2021 Census next update 2026 all 18 measures |
| Cultural diversity | ABS, Geoscience Australia 5-yearly (Census) | 2021 Census next update 2026 all 44 measures |
"Currency" is the most recent release feeding that section. Where the Census supplies the structural baseline underneath a current headline figure, the row says so.
How the numbers are built
Population
The Census provides the small-area baseline, aggregated from mesh blocks to this boundary. It is then re-based to the ABS Estimated Resident Population (June 2025 release), and new dwellings built since Census night are counted from address data — 274 validated new addresses here. The headline figure is therefore a current estimate for Aug 2026, not a 2021 count (4,986 at the 2021 Census → 5,671 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 (SAL13863). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.