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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 Barker has an estimated 28,481 residents, up from 22,113 at the 2021 Census — a change of 6,368 people, or 28.8%. Growth has averaged 4.8% a year over five years, faster than 95% of areas nationally. 2,267 new addresses have been validated here since Census night. Interstate and internal migration accounts for 67.1% of that increase. That puts 527 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
Based on calculations by AreaSearch, the population of Mount Barker stands at approximately 28,481 as of May 2026. This represents a growth of 6,368 people (28.8%) from the 2021 Census, which recorded 22,113 residents. This shift is determined using the ABS estimated resident population of 26,941 from June 2025 alongside 2,267 validated new addresses registered after the Census. The resulting population density is 526 persons per square kilometer, indicating low density and room for expansion. With a 28.8% increase since the 2021 census, Mount Barker outpaced the state (7.5%) and Greater Adelaide, positioning it as a regional growth leader.
This expansion was mostly fueled by interstate migration, which accounted for roughly 67.1% of the population increase, although natural increase and overseas migration also contributed positively. Projections from the ABS and Geoscience Australia released in 2024 with a 2022 baseline are utilized for each SA2 region. For areas lacking this data or for periods after 2032, state government projections from 2023 based on 2021 data are used, adjusting population growth figures from LGA to SA2 levels via weighted aggregation. Due to these demographic forecasts, a substantial increase in population is anticipated for top-performing statistical areas in the AreaSearch database, with this specific location projected to grow by 8,452 residents to 2041 relative to the latest annual ERP, showing a 16-year increase of 24.3%.
Frequently Asked Questions - Population
2,957 new dwellings have been approved in Mount Barker over the past five years, an average of 591 a year. That places the area in the 95th percentile for residential development activity nationally, about 21 approvals per 1,000 residents a year. Of the 447 dwellings approved in the latest reporting year, 92% were detached houses and the rest townhouses or apartments. Approvals are currently running at an annualised 569, broadly in line with that longer-run average. Figures come from ABS building approvals aggregated to this SA2 boundary and are updated monthly as the ABS releases them.
Detail
Approximately 591 residential building approvals are granted annually in Mount Barker, totaling 2,957 dwellings over the 5 financial years from FY-21 to FY-25, and 522 in FY-26 to date. An average of 1.9 residents relocated to the region for every finished dwelling during the 5 financial years from FY-21 to FY-25, pointing to balanced supply and demand conditions, while new residential builds average $247,000 in value. Furthermore, commercial building approvals have reached $69.6 million during the current financial year, indicating solid business investment locally. Mount Barker registers 143.0% higher per capita residential construction activity compared to Greater Adelaide, offering buyers more options despite a recent slowdown.
This volume of building is well above the national benchmark, demonstrating strong developer focus. Standalone houses comprise 92.0% of new residential development, with medium and high-density formats making up 8.0%, preserving the traditional spacious layout suited for families. The ratio of roughly 53 people for each building approval is typical of an expanding suburb. Long-term forecasts suggest Mount Barker will add 6,910 residents by 2041, based on the most recent quarterly estimates from AreaSearch. The current pace of construction indicates that future housing supply will satisfy demand, providing favorable purchasing conditions and potentially enabling growth beyond current forecasts.
Frequently Asked Questions - Development
Development applications around Mount Barker
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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 45 current infrastructure and development projects inside Mount Barker, worth an estimated $6.27 billion. A further 11 sit in the immediately surrounding suburbs, taking the tracked pipeline within reach of the area to $7.06 billion. 29 are already under construction and 32 are due for completion within three years. The pipeline spans transport & logistics, communities, precincts & urban renewal and residential development. Records are compiled from Infrastructure Australia, state agencies, council planning portals and public announcements, reviewed and updated daily, then ranked by proximity, construction stage, completion horizon and project scale.
Detail
Local infrastructure projects, developments, and planning schemes significantly impact regional performance. AreaSearch has identified 23 projects expected to affect the local area, including the New Mount Barker Hospital, Clover Park, Mount Barker Interchange Upgrade, and the Adelaide Hills Rail Extension (Mount Barker) Planning Study, with key projects detailed below.
Professional plan users can use the search below to filter and access additional projects.
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Frequently Asked Questions - Infrastructure
New Mount Barker Hospital
The 365.8 million dollar New Mount Barker Hospital project is a major expansion of the existing District Soldiers Memorial Hospital. It will triple inpatient capacity from 34 to 102 beds. The project features a new 16,600 square metre clinical services building, a 12-bed mental health unit, expanded maternity, paediatric, chemotherapy, and renal dialysis services. Construction also includes a 654-space multi-deck car park and a central energy plant. The design emphasizes therapeutic gardens and natural light to support patient recovery.
Mount Barker City Centre Town Square
The Mount Barker City Centre Town Square is a 2,000 square metre public space designed for community gatherings, small to medium-sized events, and daily use. It is part of a master-planned City Centre development that includes a new council civic and co-working building, retail and office spaces, accommodation, and car parking. Bulk earthworks commenced in early 2026 following the securing of $2 million in State Government funding. The project aims to transform a long-vacant site into a vibrant civic heart, stimulating economic activity and fostering community engagement in response to the town's significant population growth.
South Eastern Freeway - Mount Barker & Verdun Interchange Upgrades
A $150 million major infrastructure project delivering comprehensive upgrades to the Mount Barker and Verdun interchanges on the South Eastern Freeway to improve traffic flow, safety, and regional connectivity for the rapidly growing Mount Barker and Adelaide Hills district.
Newenham Estate
A landmark 1,000+ lot masterplanned community along Western Flat Creek in Mount Barker. Features large allotment sizes (750sqm+), Kings Baptist Grammar School campus, linear parks, shared walking/biking trails, and paddock-to-plate dining.
Mount Barker City Centre Redevelopment
A $100 million flagship urban renewal project transforming 12,000sqm of town centre land. The revised master plan features an expanded 2,000sqm town square, a council civic and co-working building, a new laneway, retail, commercial space, and hospitality venues designed to revitalize the Mount Barker CBD.
Mount Barker Interchange Upgrade
Upgrade of the Mount Barker Interchange on the South Eastern Freeway to improve capacity, traffic efficiency, safety and access for a fast-growing Adelaide Hills community. The project includes a new three-lane bridge for northbound traffic, conversion of the existing bridge to three southbound lanes, ramp upgrades, new traffic signals at Adelaide Road and the freeway exit ramp from Murray Bridge, a bus priority lane, a shared use path, a northbound on-road bike lane and improved Adelaide Road service road access.Works are underway, with the interchange expected to open to traffic in late 2027.
Laratinga Water Recovery Plant
A $168M+ new state-of-the-art wastewater treatment and water recovery facility using advanced bio-reactor technology adjacent to Springs Road, replacing the legacy treatment plant to provide environmentally compliant recycled water and accommodate council growth.
Cedar Woods Mount Barker Community
Cedar Woods Mount Barker is a masterplanned residential community developed by Cedar Woods Properties in the expanding Mount Barker growth precinct. The estate delivers approximately 450 residential homesites, linear parklands, central open space reserves, stormwater wetlands, and walking trail connections. Staged civil infrastructure and dwelling construction are underway.
14,410 residents of Mount Barker are employed, from a labour force of 14,986. Unemployment sits at 3.8%, with participation at 68.8%. Weighted for its industry mix, the area's sectors are forecast to grow about 6.4% 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. Unemployment and labour force come from ABS Small Area Labour Markets, updated quarterly; the industry and occupation profile is from the 2021 Census.
Detail
Mount Barker has a workforce characterized by strong representation in essential services, a low unemployment rate of 3.8%, and estimated job growth of 5.2% over the last year. Jobholders numbered 14,410 as of March 2026, with unemployment matching the Greater Adelaide average of 3.8%, and participation at 68.8% compared to 66.6% in Greater Adelaide. Census records show a low proportion of residents working from home at 12.2%, though this may be affected by pandemic-era lockdowns. The primary employment sectors for local workers are health care & social assistance, retail trade, and education & training.
However, the health care & social assistance sector is underrepresented locally, employing 16.2% of the local workforce compared to 17.7% in Greater Adelaide. Comparison of local working numbers versus resident workers indicates a shortage of local jobs. According to AreaSearch analysis of SALM and ABS statistics for the year ending March 2026, local employment grew by 5.2% and the labor force grew by 5.1%, keeping the unemployment rate steady. Meanwhile, Greater Adelaide saw employment and labor force growth of 4.2% and 4.0% respectively, alongside a 0.2 percentage point decline in unemployment. National forecasts from Jobs and Skills Australia dated May-25 offer context for future demand patterns. These five and ten-year national projections are applied to the local workforce structure to model future employment trends. While overall national employment is projected to grow by 6.6% over five years and 13.7% over ten years, trends vary widely by industry. Weighting these projections against the local industry mix suggests employment in Mount Barker could rise by 6.4% over five years and 13.4% over ten years, representing a simple mathematical extrapolation that does not account for local population dynamics.
Frequently Asked Questions - Employment
Median household income in Mount Barker is $1,698 a week (about $88,000 a year), with median personal income at $825 a week. ATO records put median taxable income at $56,595 a year against an average of $67,850. Household income is from the 2021 Census; taxable income is from ATO Taxation Statistics for the latest financial year available, indexed forward using the ABS Wage Price Index.
Detail
Postcode-level ATO statistics compiled by AreaSearch for the 2023 financial year show Mount Barker SA2 taxpayers earning a median income of $56,595 and an average income of $67,850, which is close to the national average and compares to Greater Adelaide's median of $54,808 and average of $66,852. Applying Wage Price Index growth of 10.17% since the 2023 financial year yields estimated current figures of $62,351 for median and $74,750 for average incomes as of March 2026. According to the Census, household, family, and individual earnings align closely with the national 50th percentile.
Income distribution details show 35.5% of residents (10,110 people) in the $1,500 - 2,999 brackets, compared to 31.8% regionally. Housing cost pressures are high, leaving residents with only 84.0% of disposable income, placing the area in the 47th percentile and the 6th decile of the SEIFA income index.
Frequently Asked Questions - Income
Mount Barker had 8,349 occupied dwellings at the 2021 Census, 92% detached houses and 1% apartments. 46% are owned with a mortgage, 28% rented and 26% owned outright. At that Census the median rent was $350 a week and the median mortgage repayment $1,647 a month. Rent absorbs 20.6% of household income here and mortgage repayments 22.4%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.
Detail
Census data shows that separate houses make up 92.3% of dwellings in Mount Barker, while semi-detached homes, units, and other dwellings account for 7.6%, compared to 75.2% houses and 24.9% other dwellings across the Adelaide metropolitan area. Home ownership in Mount Barker stands at 26.3%, which is lower than the metropolitan average, with the remaining homes being mortgaged (46.1%) or rented (27.6%). The median mortgage payment of $1,647 per month and median rent of $350 per week are higher than the Adelaide metropolitan averages of $1,562 and $320. Locally, mortgage payments are lower than the Australian median of $1,863, and rents are below the national median of $375.
Frequently Asked Questions - Housing
Mount Barker counted 8,349 households at the 2021 Census, an estimated 10,753 today, averaging 2.5 people each. 32% are couples with children, against 28% couples without children. 24% of households are people living alone, and families average 1.6 children. Household and family composition is measured only by the Census, so these are 2021 figures.
Detail
Families make up 73.6% of households, consisting of couples with children (32.1%), couples without children (28.0%), and single-parent households (12.7%). The remaining 26.4% are non-family households, which consist of lone person households (23.9%) and group households (2.6%). The average household size of 2.5 people matches the Greater Adelaide average.
Frequently Asked Questions - Households
24.6% of adults in Mount Barker hold a university qualification, including 17.2% with a bachelor degree and 4.2% with postgraduate qualifications. A further 27.0% hold a vocational qualification. 9 schools serve the area, with 4,399 enrolment places and an average ICSEA of 1,048 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
The region shows lower levels of higher education, with university completion rates at 24.6% compared to 42.2% across the wider SA4 region, highlighting opportunities for educational development. Bachelor degrees are held by 17.2% of residents, postgraduate degrees by 4.2%, and graduate diplomas by 3.2%. Vocational qualifications are common, with 38.9% of residents aged 15+ holding technical credentials, comprising advanced diplomas (11.9%) and certificates (27.0%). Enrolment in education is high, with 28.8% of the local population engaged in study. This includes 11.0% in primary schools, 7.5% in high schools, and 4.9% in tertiary programs.
Frequently Asked Questions - Education
Schools Detail
Public transport in Mount Barker reaches 78 stops on 33 routes, timetabled for about 1,500 services a week. The typical home sits about 420 m from its nearest stop. Buses carry the largest share of public transport commuters. Households keep an average of 1.5 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 transport infrastructure consists of 78 stops within Mount Barker serviced by buses. These stops accommodate 33 routes, delivering 1,506 passenger journeys weekly. Accessibility is moderate, with residents living an average of 417 meters from their nearest stop. Given the residential nature of the area, most workers commute, with private vehicles remaining the primary choice at 90% and buses at 6%. The average number of motor vehicles per household is 1.5. Remote work was recorded at 12.2% in the 2021 Census, which may reflect pandemic conditions. Service frequency is around 215 daily trips across the transit network, translating to roughly 19 weekly trips for each stop.
Frequently Asked Questions - Transport
Transport Stops Detail
67.1% of residents in Mount Barker report no long-term health condition. 5.7% need daily assistance with core activities, and 52.6% hold private health cover. The standardised death rate runs at 4.2 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 in Mount Barker are positive, based on analysis of mortality rates and chronic health conditions, with low illness rates overall, though rates are higher than the national average in older cohorts, and private health coverage is slightly higher than the average SA2 area at approximately 53% of the population (~14,981 people). Mental health conditions and asthma are the most common diagnoses, affecting 9.6% and 8.9% of the population respectively, while 67.1% of residents reported having no chronic conditions, compared to 67.9% in Greater Adelaide. The health status of the working-age population is standard.
Residents aged 65 and over constitute 17.8% of the population (5,081 people), compared to 19.2% in Greater Adelaide. Senior health indicators present some challenges and rank lower nationally than the overall local population.
Frequently Asked Questions - Health
Mount Barker is largely Australian-born, at 82.9% of residents, with 6.6% speaking a language other than English at home. The largest reported ancestries are English (33.2%) and Australian (27.6%). Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.
Detail
Cultural diversity in Mount Barker is below average, with 82.9% of residents born in Australia, 91.8% holding citizenship, and 93.4% speaking only English at home. Christianity is the primary religion, followed by 41.3% of the population. The category of Other is underrepresented at 0.8% of the population, compared to 1.8% across Greater Adelaide. Regarding parental country of birth, the main ancestry groups are English at 33.2% of the population, which is higher than the regional average of 27.8%, Australian at 27.6%, and German at 8.3%. Other notable ancestral representations include Dutch at 1.9% of the population (compared to 1.2% regionally), South Australian at 0.6% (compared to 0.3%), and Welsh at 0.6% (compared to 0.6%).
Frequently Asked Questions - Diversity
The median resident of Mount Barker is 37. 26.1% of residents are aged 15 to 34. Age cohorts are not raw Census counts: the Census split is re-based to the latest ABS population estimates and state projections.
Detail
The median age of 37 years in Mount Barker is slightly below the Greater Adelaide average of 39 and close to the national average of 38 years. The cohort aged 5 - 14 is overrepresented locally at 13.0% compared to Greater Adelaide, while the 55 - 64 bracket is underrepresented at 10.1%. Since the 2021 Census, the 35 to 44 age group rose from 13.3% to 14.7% of the population, and the 75 to 84 bracket grew from 5.4% to 6.6%, while the 65 to 74 group fell from 9.8% to 9.0%.
By 2041, the 45 to 54 cohort is projected to expand by 42% (1,449 people), increasing from 3,451 to 4,901.
Frequently Asked Questions - Age
Data & MethodBoundaries, Sources & Method for Mount Barker
9 of 14 data sections on this page were updated within the last 12 months — the newest current to Aug 2026.
Everything is aggregated to the SA2 boundary shown above, on a 2021 Census baseline. Only 3 sections — housing, households and cultural diversity — still wait on the 2026 Census.
The ledger — source, cycle and currency by section
| Section | Source & update cycle | Currency |
|---|---|---|
| Updated within the last 12 months 9 sections | ||
| Population | ABS, GNAF, Geoscience Australia Annual (ABS ERP) | May 2026 3 months ago headline measures · 2021 Census baseline |
| Re-based to the ABS Estimated Resident Population (June 2025 release) and updated with new dwellings from GNAF address data. Current to May 2026, with the 2021 Census supplying the small-area baseline. | ||
| Age profile | ABS, Geoscience Australia, State governments Annual | May 2026 3 months ago headline measures · 2021 Census baseline |
| Age cohorts are re-based to the latest ABS population estimates and state projections, current to May 2026. Each cohort is held as a Census baseline and a current estimate. | ||
| Development & approvals | ABS, GNAF Monthly (ABS approvals) | Jun 2026 2 months ago headline measures · May 2026 baseline |
| Property sales & rents | Valuer General, Rental Board, ABS Weekly sales, quarterly rents | Aug 2026 this month all 21 measures |
| Sales from the state Valuer General register, refreshed weekly, and rents from quarterly rental bond lodgements. Both are read live each time this page loads, current to Aug 2026. | ||
| Infrastructure projects | Infrastructure Australia, State agencies, Local governments Daily | Aug 2026 this month all 46 projects tracked here |
| Project pipeline maintained continuously from Infrastructure Australia, state agencies, local government and public announcements. Records are added and revised daily; this area was last updated Aug 2026. | ||
| Employment | ABS, DEWR, JSA Quarterly (ABS SALM) | Mar 2026 5 months ago headline measures · 2021 Census baseline |
| Unemployment and labour force from ABS Small Area Labour Markets, current to Mar 2026. The growth outlook applies Department of Employment (now Jobs and Skills Australia) forecasts for all 19 industry divisions to the local industry mix, so it measures sector composition rather than local expansion and makes no allowance for population growth. Job demand comes from the same agency via its Internet Vacancy Index; industry and occupation structure from the 2021 Census. | ||
| Education | ABS, ACARA Annual (ACARA) | Aug 2026 this month headline measures · 2021 Census baseline |
| Transport | ABS, State Transport Departments Each timetable release | Jul 2026 last month headline measures · 2021 Census baseline |
| Services & amenities | Provider directories, ACECQA Continuous | Jul 2026 last month all 14 measures |
| Annual and financial-year sources 2 sections | ||
| Income | ABS, ATO Annual (ATO) | FY 2023 3 years ago headline measures · 2021 Census baseline |
| ATO taxable income statistics for FY 2023, indexed forward using the Wage Price Index. Census household income provides the distribution detail. | ||
| Health | ABS, ATO Annual | 2024 2 years ago headline measures · 2021 Census baseline |
| Census-measured — next update: 2026 Census 3 sections No more current small-area source exists for these, so they are labelled as Census-measured rather than implied to be current. | ||
| Housing | ABS 5-yearly (Census) | 2021 Census next update 2026 all 30 measures |
| Households | ABS 5-yearly (Census) | 2021 Census next update 2026 all 18 measures |
| Cultural diversity | ABS, Geoscience Australia 5-yearly (Census) | 2021 Census next update 2026 all 44 measures |
"Currency" is the most recent release feeding that section. Where the Census supplies the structural baseline underneath a current headline figure, the row says so.
How the numbers are built
Population
The Census provides the small-area baseline, aggregated from mesh blocks to this boundary. It is then re-based to the ABS Estimated Resident Population (June 2025 release), and new dwellings built since Census night are counted from address data — 2,267 validated new addresses here. The headline figure is therefore a current estimate for May 2026, not a 2021 count (22,113 at the 2021 Census → 28,481 now). Annual growth rates are compound (CAGR), not simple averages.
Age profile
Cohort shares are not raw Census counts. Every cohort is held as a pair — the Census baseline and a current estimate — and the split is re-based using ERP and state population projections, current to May 2026. Median age is the Census median plus modelled change since. Charts that show both are labelled "2021 Census vs Current Estimate".
Property sales
Sourced from the state valuation authority's sales register — current, not Census, and refreshed weekly. Medians are calculated from settled transactions in the period shown; periods with very low transaction counts are flagged or suppressed, because a handful of sales can move a median substantially.
Rents
Derived from state rental bond lodgement data, by dwelling type and bedroom count. Bonds are lodged at the start of a new tenancy, so this reflects new lettings, not the whole rented stock.
Development & infrastructure
Building approvals come from current ABS releases; development applications are collected from council and state planning portals; the infrastructure pipeline is compiled from Infrastructure Australia and local government sources. Applications are matched to this boundary by address or coordinates, so very recent lodgements may not yet appear.
Employment & income
Industry and occupation structure comes from the Census, but the headline labour-market indicators do not. Unemployment and labour force are derived from ABS Small Area Labour Markets (quarterly). The employment outlook applies Department of Employment forecasts for all 19 industry divisions to this area's own industry mix (the agency is now Jobs and Skills Australia), as does the Internet Vacancy Index used for job demand. Because it is weighted on industry composition alone, that outlook carries no allowance for local population growth — in fast-growing areas the real rise in local jobs will typically be higher. Income combines Census household income with ATO taxable-income statistics for FY 2023, indexed forward using the Wage Price Index.
Education, transport & amenities
School enrolments, ICSEA and performance come from ACARA's current release, not the Census. Public transport stops and service frequency are derived from GTFS timetable feeds published by state transport departments. Services and amenities are proximity and count scores built from provider directories, refreshed on their own cycle. The Census contributes only the travel-to-work and qualification measures.
Rankings and benchmarks. Where we rank this area, the comparison set is every area of the same boundary type — suburbs against suburbs, SA2s against SA2s. Benchmarks compare this area against its greater capital city region and the national figure for the same measure and period.
Limits worth knowing. Small areas carry larger error margins, and the ABS introduces small random adjustments to Census counts to protect confidentiality — so totals may not sum exactly. Estimates re-based from regional data describe the area's expected trajectory, not a direct count of it. Figures are indicative for research and are not financial, planning or valuation advice.
Cross-check us. The Census baseline for this boundary is at ABS 2021 Census QuickStats (401021007). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.