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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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ABS ERP | -- people | --
2021 Census | -- people
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Mount Gambier - West has an estimated 15,519 residents, up from 14,499 at the 2021 Census — a change of 1,020 people, or 7.0%. Growth has averaged 0.7% a year over five years. 350 new addresses have been validated here since Census night. Overseas migration accounts for 81.0% of that increase. That puts 123 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 demographic evaluations by AreaSearch, the resident count of Mount Gambier - West stands at approximately 15,519 as of Aug 2026. This represents an expansion of 1,020 people (7.0%) compared to the 2021 Census tally of 14,499 people. This figure is derived from the ABS estimated resident population of 15,284 recorded as of June 2025 alongside 350 validated new addresses added following the Census date. With a density of 122 persons per square kilometer, the locality offers generous personal space and capacity for additional residential expansion. Outpacing both the broader SA3 region (5.1%) and the Rest of SA, Mount Gambier - West's 7.0% post-2021 census gain positions it among regional growth leaders.
The primary driver behind these gains has been overseas migration, which generated roughly 81.0% of recent population additions. Projections developed by ABS/Geoscience Australia released in 2024 (anchored to a 2022 baseline) are applied by AreaSearch across SA2 locations. In areas not covered by these datasets, or across years past 2032, figures incorporate the 2023 SA State Government Regional/LGA age-bracket projections (originating from 2021 figures), aggregated from LGA down to SA2 boundaries via weighted population adjustments. Anticipated demographic patterns point toward local growth tracking just underneath the median for regional Australia, with projections indicating an expansion of 1,669 persons by 2041 relative to latest annual ERP benchmarks—amounting to an overall rise of 9.2% across the 16 years.
Frequently Asked Questions - Population
444 new dwellings have been approved in Mount Gambier - West over the past five years, an average of 88 a year. That places the area in the 67th percentile for residential development activity nationally, about 6 approvals per 1,000 residents a year. Of the 88 dwellings approved in the latest reporting year, 93% 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
Residential planning approvals across Mount Gambier - West average approximately 88 dwellings per year, totaling 444 homes approved throughout the preceding 5 financial years (between FY-22 and FY-26). Net population gains show a balanced ratio of 1.1 people annually per new residence constructed across the past 5 financial years (between FY-22 and FY-26), underpinning steady market conditions alongside an average building cost of $395,000 per newly approved property. Furthermore, commercial building approvals have reached $80.5 million in the current financial year, highlighting substantial commercial investment across the community. Building activity in Mount Gambier - West outpaces the Rest of SA by 29.0% above regional average per person over the 5 year period, ensuring ample housing availability while sustaining local real estate values.
New residential construction is heavily skewed toward low-density living, with detached houses accounting for 93.0% and attached dwellings making up 7.0%, catering directly to buyers seeking larger allotments. This strong preference for separate houses in current building activity exceeds existing dwelling ratios (75.0% at Census), confirming enduring buyer preference for detached homes amid densification trends. Meanwhile, the presence of around 167 people per dwelling approval reflects a developing residential market. Over the period leading to 2041, latest AreaSearch quarterly estimates project Mount Gambier - West to add 1,434 residents. Ongoing building trajectories indicate that future residential supply will readily accommodate this incoming demand, sustaining favorable purchasing conditions and potentially paving the way for expansion above baseline forecasts.
Frequently Asked Questions - Development
Development applications around Mount Gambier - West
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| Lodged | Address | Description | Type | Distance | Status |
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SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
AreaSearch tracks 8 current infrastructure and development projects inside Mount Gambier - West, worth an estimated $214 million. A further 61 sit in the immediately surrounding suburbs, taking the tracked pipeline within reach of the area to $15.7 billion. 12 are already under construction and 24 are due for completion within three years. The pipeline spans transport & logistics, energy and communities, precincts & urban renewal. 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 programs, major urban works, and civic planning initiatives play a crucial role in shaping community development. AreaSearch has pinpointed 22 individual projects positioned to influence the district. Prominent undertakings encompass the CBD Master Planning and Activation, the Limestone Estate Residential Development, the Road Infrastructure Reconstruction Program, and the implementation of the Blue Lake Sports Park Master Plan.
Professional plan users can use the search below to filter and access additional projects.
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Frequently Asked Questions - Infrastructure
Road Infrastructure Reconstruction Program
Comprehensive road network upgrades across Mount Gambier focusing on CBD revitalization and safety. Key components include the Lake Terrace and Bay Road intersection upgrade, significant road reconstruction on Lake Terrace East, and streetscape widening on Commercial Street East to protect heritage sites like Jens Hotel. The program also integrates a region-wide 2026 Road Resealing Program and the phased rollout of 40 km/h school speed limits on arterial roads.
CBD Master Planning and Activation
Strategic revitalisation of the Mount Gambier CBD aimed at activating the city centre through short-term initiatives and long-term infrastructure improvements. The project involves the completion of a detailed Master Plan, Commercial Street pedestrianisation concepts, and better integration with key precincts like the Railway Lands. It aligns with the Mount Gambier 2035 community vision and the Council 2024-2028 Strategic Plan.
Limestone Estate
Large residential land estate on the western fringe of Mount Gambier, planned for more than 350 residential allotments with a commercial complex, childcare centre, medical centre and retail facilities. The estate is less than 5 minutes drive from the Mount Gambier CBD and is being delivered by Capital Investments & Developments.
Lakes Park Estate
A residential land development in OB Flat, close to the Blue Lake and Mount Gambier. Currently in Stage 4 of development offering level allotments ranging from 591m2 to 700m2 with volcanic soils. All services included: NBN, gas, and fencing. Within walking distance to Blue Lake and walking trails, close to Swallow Drive shops. Marketed by SAL Real Estate Mount Gambier.
Wulanda Recreation and Convention Centre
State-of-the-art multi-purpose sport, aquatic and conference facility featuring 25m indoor pool, 50m outdoor pool, six multi-purpose courts, convention facilities for 1000+ people, and health club. Council's largest ever infrastructure project valued at $57 million.
Blue Lake Solar Lighting Renewal Project
Installation of solar-powered LED lighting system around Blue Lake walking trails and viewing areas. Includes 150 solar light units, upgraded pathways, and interpretive signage. Part of sustainable tourism infrastructure development.
Springview Estate
Mount Gambier's premier residential development currently in Stage 11 of its popular and thriving subdivision. Located on the western edge of Mount Gambier, this family-friendly estate offers allotment sizes ranging from 855m2 to 1,210m2. All allotments include essential infrastructure (power, water, sewer, NBN) and colorbond fencing. The estate features quality built homes and is positioned with close links to Mount Gambier's Rail Trail, Basketball Stadium and local amenities. Titles for Stage 11 to be issued July 2025.
TAFE SA Mount Gambier Campus Upgrades
Upgrade of the TAFE SA Mount Gambier campus including modern trade workshops, improved learning spaces, student amenities, accessibility upgrades and campus improvements. The works form part of the Mount Gambier Education, Research and Training Precinct and are being delivered alongside the new Limestone Coast Technical College scheduled to open in 2026.
7,768 residents of Mount Gambier - West are employed, from a labour force of 8,115. Unemployment sits at 4.3%, with participation at 64.0%. Weighted for its industry mix, the area's sectors are forecast to grow about 5.9% 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 market in Mount Gambier - West maintains an even balance across blue-collar and white-collar roles, supported by strong employment in core services, a 4.3% unemployment rate, and a 3.3% annual increase in job numbers. By March 2026, employed locals numbered 7,768, while the local jobless rate sits 1.2% below Regional SA's 5.5% benchmark, accompanied by an above-average labour participation rate of 64.0% compared to Regional SA's 58.3%. Census findings showed that just 5.0% of the local workforce worked from home, though this coincided with Covid-19 restrictions. Major employment sectors for local workers include health care & social assistance, retail trade, and manufacturing.
Specialisation is especially prominent in health care & social assistance, where local workforce concentration reaches 1.2 times the regional level. Conversely, agriculture, forestry & fishing accounts for only 7.4% employment against 14.5% regionally. Despite local employment options, the ratio between the Census working population and local residents suggests a considerable volume of workers commute beyond the area for employment. AreaSearch analysis of ABS and SALM figures shows that over the twelve months to March 2026, a 3.3% rise in employment alongside a 4.3% expansion in the labour pool resulted in the local unemployment rate lifting by 0.9 percentage points. Across Regional SA, employment climbed 1.2% while the workforce grew 2.6%, corresponding to a 1.4 percentage point rise in unemployment. Long-range projections from Jobs and Skills Australia (issued Mar-26) offer additional context regarding workforce demand within Mount Gambier - West. Across nationwide benchmarks, employment is modeled to increase by 6.6% over five years and 13.7% over ten years, though trajectories vary notably by sector. Applying these industry projections to Mount Gambier - West's specific workforce profile yields an estimated local job growth of 5.9% over five years and 12.7% over ten years (a weighted structural extrapolation provided for illustration without factoring local demographic projections).
Frequently Asked Questions - Employment
Median household income in Mount Gambier - West is $1,210 a week (about $63,000 a year), with median personal income at $690 a week. ATO records put median taxable income at $50,933 a year against an average of $58,818. 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
Taxation records aggregated by AreaSearch from postcode-level ATO data indicate that Mount Gambier - West recorded a median taxpayer income of $50,933 and an average of $58,818 for financial year 2023. These figures sit below nationwide averages, though compare with Regional SA's median income of $48,920 and average income of $58,933. Factoring in Wage Price Index growth of 10.17% since financial year 2023, updated estimates reach approximately $56,113 (median) and $64,800 (average) as of March 2026. According to the 2021 Census, personal, family, and household earnings within Mount Gambier - West align between the 14th and 26th percentiles nationally.
In terms of earnings brackets, 29.7% of the community (4,609 individuals) fall within the $1,500 - 2,999 earnings band, closely tracking the broader regional distribution of 27.5%. Despite manageable housing costs leaving 86.8% of income retained, overall disposable income remains modest, ranking at the 17th percentile across the country.
Frequently Asked Questions - Income
Mount Gambier - West had 5,993 occupied dwellings at the 2021 Census, 75% detached houses and 10% apartments. 34% are owned with a mortgage, 33% rented and 33% owned outright. At that Census the median rent was $220 a week and the median mortgage repayment $1,109 a month. Rent absorbs 18.2% of household income here and mortgage repayments 21.2%. 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 latest Census, the housing stock across Mount Gambier - West comprised 75.0% houses and 25.0% other dwellings (incorporating apartments, semi-detached properties, and 'other' dwellings), contrasting with 88.5% houses and 11.5% other dwellings in Regional SA. Outright homeownership was lower than the regional standard, recording 32.7%, while 34.1% of properties were held with a mortgage and 33.2% were rented. The median monthly mortgage repayment stood at $1,109 (compared to Regional SA's $1,153), and median weekly rent was $220, matching Regional SA's $220. Compared across Australia, Mount Gambier - West maintains considerably more affordable housing costs, sitting well below the national median mortgage payment of $1,863 and median weekly rent of $375.
Frequently Asked Questions - Housing
Mount Gambier - West counted 5,993 households at the 2021 Census, an estimated 6,415 today, averaging 2.2 people each. 23% are couples with children, fewer than in 75% of areas nationally, against 27% couples without children. 35% 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 the majority of living arrangements at 62.9% of all households, consisting of couples without children (27.2%), couples with children (23.4%), and single parent families (11.3%). The remaining 37.1% comprises non-family residences, where lone person households represent 35.1% and group households account for 2.1%. The average household size stands at 2.2 people, slightly below the 2.3 person figure across Regional SA.
Frequently Asked Questions - Households
13.8% of adults in Mount Gambier - West hold a university qualification, including 10.0% with a bachelor degree and 2.0% with postgraduate qualifications, lower than 82% of areas nationally. A further 30.5% hold a vocational qualification. 8 schools serve the area, with 3,369 enrolment places and an average ICSEA of 962 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
Tertiary educational attainment presents an ongoing challenge for the locality, with university degree holders (13.8%) falling considerably short of the national benchmark of 30.4%, highlighting a key focus area for local educational development. Among higher education qualifications, Bachelor degrees constitute 10.0%, followed by postgraduate qualifications (2.0%) and graduate diplomas (1.8%). Conversely, vocational and technical qualifications are widespread, with 38.3% of residents aged 15+ holding trade credentials, consisting of certificates (30.5%) and advanced diplomas (7.8%). Engagement in learning is substantial across the population, with 26.6% of residents currently enrolled in formal education.
Primary education accounts for 11.0% of this student cohort, while 7.4% attend secondary education, and 2.4% are engaged in tertiary studies.
Frequently Asked Questions - Education
Schools Detail
Public transport in Mount Gambier - West reaches 62 stops on 7 routes, timetabled for about 170 services a week. The typical home sits about 250 m from its nearest stop. Households keep an average of 1.3 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
Mount Gambier - West is served by 62 public transport stops running across 7 distinct routes, which combine to deliver 165 weekly scheduled passenger services. Commuter access is generally good, with residents averaging a distance of 251 meters to their nearest stop. Reflecting its residential character, most residents commute outward, with private car usage dominant at 95%. Private vehicle ownership stands at 1.3 vehicles per dwelling, trailing regional averages, while 5.0% of workers operated from home at the 2021 Census (under potential COVID-19 influences). Network schedules average 23 daily trips across all transit corridors, representing roughly 2 trips per week for each designated stop.
Frequently Asked Questions - Transport
Transport Stops Detail
63.1% of residents in Mount Gambier - West report no long-term health condition. 7.2% need daily assistance with core activities, and 48.4% hold private health cover. The standardised death rate runs at 5.4 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 reveal noticeable health challenges in Mount Gambier - West across chronic disease prevalence and mortality metrics, with common conditions impacting both younger and older demographics. Private health insurance coverage is particularly low, encompassing approximately 48% of the total population (~7,511 people), well behind the 55.7% national average. Prevalent medical conditions among residents include mental health issues and arthritis, diagnosed in 9.5 and 9.4% of the population, respectively, while 63.1% reported no long-term medical ailments compared to 62.5% across Regional SA. Working-age residents experience elevated rates of chronic illness, while residents aged 65 and over number 3,665 people (23.6% of the population, compared to 27.1% in Regional SA).
Senior health outcomes face particular challenges, with overall health percentiles aligning closely with broader community trends.
Frequently Asked Questions - Health
Mount Gambier - West is largely Australian-born, at 87.9% of residents, with 7.2% speaking a language other than English at home. The largest reported ancestries are Australian (32.1%) and English (31.1%). Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.
Detail
Cultural diversity in Mount Gambier - West remains below national benchmarks, with 90.2% of residents holding Australian citizenship, 87.9% born in Australia, and 92.8% speaking exclusively English in domestic settings. Christianity represents the leading faith, adhered to by 41.9% of the population. The most prominent statistical divergence is within Other religious affiliations, which encompass 0.9% of local residents versus 0.8% across Regional SA. Examining parental country of birth, the primary ancestry groups recorded in Mount Gambier - West are Australian (32.1%), English (31.1%), and Scottish (7.7%). Distinct representation patterns are also evident among other backgrounds, with German heritage accounting for 6.0% (against 8.2% regionally), Dutch ancestry at 2.0% (versus 1.3%), and Australian Aboriginal heritage at 2.0% (compared to 3.3% across the wider region).
Frequently Asked Questions - Diversity
The median resident of Mount Gambier - West is 41. 24.0% 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
The demographic profile of Mount Gambier - West tilts toward a younger age distribution. According to AreaSearch August 2026 estimates, young to middle aged adults (25 - 44) comprise 25.0% of the population compared to 21.4% in Regional SA, while elderly and retiree cohorts (65+) represent 23.6% versus 27.1% regionally. As at August 2026, the estimated median age remains at 41 (matching the 2021 Census), sitting 6 years below the Regional SA median of 47 from that Census. Meanwhile, middle aged and young retiree cohorts (45 - 64) decreased from 24.6% at the Census to an estimated 22.8%.
By 2041, senior and retiree age groups are forecast to capture the majority of net growth, expanding by 1,220 residents (33%) to reach 4,886, while younger demographics and child cohorts are expected to contract.
Frequently Asked Questions - Age
Data & MethodBoundaries, Sources & Method for Mount Gambier - West
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 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 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, State agencies, Local governments Daily | May 2026 5 months ago all 8 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 — 350 validated new addresses here. The headline figure is therefore a current estimate for Aug 2026, not a 2021 count (14,499 at the 2021 Census → 15,519 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 (407021174). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.