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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
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Isaacs has an estimated 2,402 residents. That puts 777 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
As of Aug 2026, the suburb of Isaacs is estimated to have a resident population of roughly 2,402, according to AreaSearch's review of broader ABS population updates alongside new addresses verified since the Census. When compared against the 2021 Census tally of 2,379 people, this represents a modest addition of 23 people (1.0%). This population level was established by AreaSearch by synthesizing recent address validation following the Census with the latest ERP figures published by the ABS in June 2025. With 777 persons per square kilometer, the population density in the suburb of Isaacs aligns closely with typical benchmarks recorded across AreaSearch assessment areas.
Net overseas migration has served as the primary growth channel, generating approximately 77.0% of the overall population expansion over recent timeframes. Projections for the suburb of Isaacs incorporate the ABS/Geoscience Australia SA2 modeling released in 2024 (benchmarked to 2022), supplemented by ACT Government SA2 cohort growth rates with a 2022 base for post-2032 horizons and areas outside federal coverage. Looking ahead at future demographic trajectories under this framework, the suburb of Isaacs is modeled to experience overall contraction, reducing by 191 persons by 2041. In contrast to this aggregate decline, older age brackets are slated for expansion, most notably the 85 and over demographic, which is forecast to add 67 people.
Frequently Asked Questions - Population
Detail
Residential building approvals in Isaacs have totaled only 2 across the preceding five years. Although it is an established community, fresh residential development has been virtually absent. While such constrained housing additions commonly reinforce price stability for existing residences, it can also point toward planning restrictions or muted construction activity. Construction activity in Isaacs sits substantially below broader levels across Australian Capital Territory. Even with building initiatives ticking upward in recent periods, restricted incoming supply continues to underpin demand and support valuations across the established dwelling stock. This volume remains lower than the national standard as well, highlighting the mature layout of the locality and pointing to possible planning barriers.
Given that the local population is projected to either plateau or shrink, demand pressures on the housing market in Isaacs should diminish, which may open up favorable conditions for incoming buyers.
Frequently Asked Questions - Development
Development applications around Isaacs
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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 42 current infrastructure and development projects close to Isaacs, worth an estimated $3.97 billion. 7 are already under construction and 10 are due for completion within three years. The pipeline spans residential development, communities, precincts & urban renewal and health & medical. 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
Infrastructure upgrades, major developments, and strategic planning decisions play a substantial role in shaping local outcomes. AreaSearch has pinpointed 1 key initiative expected to influence the district. Prominent projects across the wider area encompass the Canberra Hospital Master Plan, the Affordable Housing Project Fund, the Mixed-Use Complex In Mawson, and The Centenary Hospital for Women and Children Expansion Project, with the most relevant works highlighted 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
Wanniassa Hills Primary School Modernisation
ACT Government modernisation project at Wanniassa Hills Primary School delivering a preschool upgrade and replacement of existing gas boilers with fully electric heat pumps to improve energy efficiency, thermal comfort and learning environments. The works build on the school's earlier major modernisation program including new learning communities, administration refurbishment, hall improvements and expanded parking. Electrical supply upgrade works were tendered in 2025 to support the new HVAC system.
Woden Community Services Hub
A new four-storey facility in Woden Town Centre that will centralise community and government services under one roof, bringing together services currently operating from multiple buildings in the region. It will include child and family services, meeting rooms, a multi-purpose hall, and workshop spaces. Construction is expected to commence in 2026-27.
Canberra Hospital Master Plan
The Canberra Hospital Master Plan is a 20-year strategic development blueprint prepared by Canberra Health Services and the ACT Government to guide campus expansion through 2041. Organized into seven specialized clinical and research precincts, the plan builds upon the recent $660 million Critical Services Building (Building 5) and Yamba Drive entrance upgrades. Future stages focus on a new pathology and clinical support facility, mental health precinct enhancements, and consolidated parking infrastructure.
Skye by Trilogy (Section 117 Phillip)
A landmark 20-storey mixed-use residential tower comprising 188 luxury apartments with ground-floor retail and commercial space, located directly opposite Westfield Woden in the Phillip town centre. Developed by Zapari, the project forms part of the broader high-rise transformation of the Woden Town Centre precinct.
Ivy by Morris (Section 54 Phillip)
A premium 18-storey residential tower offering 212 apartments with rooftop amenities, ground-floor retail and direct connection to the redeveloped Woden Town Square.
Mixed-Use Complex In Mawson
Development of 92 apartments with commercial components, designed by Oztal Architects, includes two buildings and basement parking.
The Valley Ponds - Wanniassa
Proposed medium-density residential estate of approximately 120-150 townhouses and apartments on former open space land between Wanniassa Hills and the Erindale Centre, part of the broader Indicative Land Release Program.
Mawson Shops 'Shop Top' Housing and Supermarket Development
Release of land for a supermarket at Mawson shops as part of a 'shop top' housing development, providing more affordable homes.
1,152 residents of Isaacs are employed, from a labour force of 1,190. Unemployment sits at 3.2%, with participation at 58.1%. Weighted for its industry mix, the area's sectors are forecast to grow about 6.9% nationally over five years. That reflects industry composition only and makes no allowance for local population growth. The working-day population is estimated at 1,889, about 79% 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
The local labour market in Isaacs features an unemployment rate of only 3.2%, stable employment conditions over the preceding year, and a strong presence of essential services personnel within an educated workforce, according to statistical area metrics aggregated by AreaSearch. In March 2026, employed residents numbered 1,152, keeping joblessness 0.9% beneath the 4.1% recorded for Australian Capital Territory, although local labour force participation of 58.1% falls well behind the territory benchmark of 70.6%. Census figures indicated that a modest 13.0% of workers conducted their duties from home, though prevailing Covid-19 restrictions at the time should be kept in mind.
Resident employment is primarily clustered across professional & technical services, health care & social assistance, and public administration & safety. Specialization is particularly pronounced in health care & social assistance, which commands an employment concentration 1.4 times greater than the broader region. Conversely, retail trade accounts for just 4.5% of the Isaacs workforce, trailing the 6.6% mark seen in Australian Capital Territory. Examining the volume of resident workers relative to the daytime working population in the Census indicates that localized employment openings are limited. Synthesized ABS and SALM statistical data compiled by AreaSearch indicates that over the 12-month period, Isaacs recorded a 0.3% rise in employment alongside a 1.2% expansion in the labour pool, which pushed unemployment upward by 0.9 percentage points. Across Australian Capital Territory over the same timeframe, employment climbed by 0.3%, the labour force grew by 1.1%, and unemployment expanded by 0.7 percentage points. Looking at future prospects, Jobs and Skills Australia national industry projections from Mar-26 provide a baseline for local employment demand across five and ten-year horizons. Nationally, total employment is projected to grow by 6.6% across five years and 13.7% across ten years, though trajectories vary by industry. When weighted against the industry distribution in Isaacs, local employment is projected to expand by 6.9% over five years and 14.1% over ten years, representing an illustrative structural extrapolation without localized demographic adjustments.
Frequently Asked Questions - Employment
Median household income in Isaacs is $2,670 a week (about $139,000 a year), with median personal income at $1,307 a week. ATO records put median taxable income at $74,144 a year against an average of $99,147. 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 taxpayer records for financial year 2023 compiled by AreaSearch show Isaacs recording a median taxpayer income of $74,144 and an average income of $99,147, placing the community in the top national percentile and outpacing the Australian Capital Territory figures of $72,206 and $85,981. Factoring in a 10.44% rise in the Wage Price Index since financial year 2023, updated estimates as of March 2026 reach approximately $81,885 for median income and $109,498 for average income. In the 2021 Census, individual, family, and household earnings all placed between the 93rd and 94th percentiles across Australia.
The local income profile is heavily weighted toward top tiers, with 31.7% of residents (761 people) earning in the $4000+ category, compared to the broader regional benchmark where the $1,500 - 2,999 bracket leads at 34.3%. With 45.3% above $3,000/week, the area displays significant financial strength, maintaining a 9th decile SEIFA income standing and allowing residents to keep 90.5% of their income once housing outlays are met.
Frequently Asked Questions - Income
Isaacs had 915 occupied dwellings at the 2021 Census, 84% detached houses and 0% apartments. 31% are owned with a mortgage, 18% rented and 52% owned outright. At that Census the median rent was $520 a week and the median mortgage repayment $2,300 a month. Rent absorbs 19.5% of household income here and mortgage repayments 19.9%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.
Detail
According to the most recent Census, the residential landscape in Isaacs consisted of 83.9% standalone houses and 16.1% other dwelling formats such as apartments and semi-detached properties, showing a higher concentration of detached housing than Australian Capital Territory, which registered 63.3% houses and 36.7% other dwellings. Outright property ownership reached 51.9%, considerably higher than the territory baseline, while 30.6% of homes were mortgaged and 17.5% were occupied by tenants. Median monthly mortgage commitments stood at $2,300, above the Australian Capital Territory benchmark of $2,080, while median weekly rent was $520, exceeding the territory figure of $450.
In comparison to Australia-wide benchmarks, repayments in Isaacs sit well above the national median mortgage of $1,863 and the national median rent of $375.
Frequently Asked Questions - Housing
Isaacs counted 915 households at the 2021 Census, averaging 2.5 people each. 32% are couples with children, against 35% couples without children. 21% 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 form the primary household structure in Isaacs, accounting for 76.4% of dwellings. Within this segment, couples without children represent 34.5%, couples with children make up 32.0%, and single parent households account for 8.8%. Non-family living arrangements constitute the remaining 23.6%, divided between single-person residences at 20.7% and group accommodations at 2.6%. The typical household size is 2.5 people, aligning exactly with the Australian Capital Territory average.
Frequently Asked Questions - Households
53.6% of adults in Isaacs hold a university qualification, including 28.2% with a bachelor degree and 19.5% with postgraduate qualifications, higher than 85% of areas nationally. A further 11.6% hold a vocational qualification. Qualifications come from the 2021 Census.
Detail
Residents of Isaacs demonstrate high educational attainment, with 53.6% of individuals aged 15+ holding a tertiary qualification, exceeding both the SA4 region level of 46.8% and the broader Australian rate of 30.4%. This strong academic profile underpins participation in professional fields. Bachelor degrees constitute 28.2% of attainment, followed by postgraduate degrees at 19.5% and graduate diplomas at 5.9%. Technical and vocational training encompasses 19.8% of qualifications among residents aged 15+, consisting of certificates (11.6%) and advanced diplomas (8.2%). Enrolment in structured learning is strong throughout Isaacs, with 25.2% of the population undertaking formal education.
This proportion includes 8.9% attending primary schools, 6.5% participating in secondary schooling, and 5.5% engaged in tertiary study.
Frequently Asked Questions - Education
Schools Detail
Public transport in Isaacs reaches 17 stops on 34 routes, timetabled for about 3,200 services a week. The typical home sits about 170 m from its nearest stop. Buses carry the largest share of public transport commuters. Households keep an average of 1.6 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
Transport infrastructure across Isaacs includes 17 active stops providing bus services. A network of 34 discrete routes runs through these stops, generating a combined total of 3,150 weekly passenger trips. Network connectivity is strong, with typical walking distances of 165 meters to reach the nearest transit point. Private vehicles serve as the primary mode of travel for outward commuting, utilized by 92% of traveling residents, while 6% commute via bus. Dwellings maintain an average of 1.6 vehicles, above regional norms. Furthermore, 13.0% of employed residents worked from home during the 2021 Census, a figure potentially shaped by pandemic conditions.
Transit services maintain an average volume of 450 trips each day across the complete route network, translating to roughly 185 weekly trips at each active stop.
Frequently Asked Questions - Transport
Transport Stops Detail
66.8% of residents in Isaacs report no long-term health condition, a healthier profile than 80% of areas nationally. 5.6% need daily assistance with core activities, and 66.4% hold private health cover. The standardised death rate runs at 2.7 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.
Detail
Evaluations by AreaSearch regarding mortality and long-term health conditions indicate exceptional health outcomes throughout Isaacs, with younger demographics showing minimal rates of routine ailments. Private health insurance coverage is extensive, held by approximately 66% of the resident base (1,593 people), outperforming the Australian Capital Territory rate of 62.4% and the national baseline of 55.7%. Asthma and arthritis represent the most prevalent chronic conditions in the locality, recorded among 7.0% and 9.9% of residents, respectively, while 66.8% reported no chronic medical diagnoses, compared to 70.2% across Australian Capital Territory. Residents under 65 exhibit superior health metrics relative to average standards.
Those aged 65 and over comprise 28.0% of the local population (672 people), which is double the 14.2% proportion across Australian Capital Territory. Health ratings among older demographics remain above average, although their national standing is slightly lower than that of the broader local community.
Frequently Asked Questions - Health
36.6% of Isaacs residents were born overseas and 31.6% speak a language other than English at home, more culturally diverse than 79% of areas nationally. The largest reported ancestries are English (21.9%) and Australian (18.0%). Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.
Detail
Isaacs exhibits substantial cultural breadth, with 36.6% of residents born abroad and 31.6% utilizing a primary language other than English in their households. Christianity represents the primary religious affiliation, encompassing 51.1% of the population. In addition, Hinduism is notably prominent, accounting for 6.6% of residents compared to 4.8% across Australian Capital Territory. Regarding parental ancestry, English heritage leads local representation at 21.9%, followed by Australian ancestry at 18.0% (trailing the 23.0% regional standard) and Other backgrounds at 13.5%. Divergences from regional patterns also appear across several European lineages, including Polish heritage at 1.6% (compared to 0.8% regionally), Croatian at 1.4% (against 0.9%), and Hungarian at 0.6% (against 0.3%).
Frequently Asked Questions - Diversity
The median resident of Isaacs is 48, older than 90% of areas nationally. That is 1 year younger than at the 2021 Census. 22.3% 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 Isaacs is significantly older than the wider territory. Based on updates to August 2026, seniors and retirees aged 65+ make up 28.0% of the community, compared to 14.2% across Australian Capital Territory, while young and middle-aged adults aged 25 - 44 account for 20.6%, below the regional level of 32.8%. As at August 2026, AreaSearch estimates the median age at 48, decreasing slightly from 49 at the 2021 Census, but standing well above the Australian Capital Territory median of 35 and the nationwide median of 38 recorded at that Census.
Since the 2021 Census, the proportion of residents aged 45 - 64 has dropped from 28.3% to an estimated 23.8%. In the older cohorts, the 65 to 74 bracket declined from 14.4% to an estimated 11.9%, whereas the 75 to 84 cohort expanded from 10.2% to 12.7%, reflecting an aging population with limited inward movement of younger families. Looking toward 2041, senior brackets are forecast to register the largest numeric gain, rising by 23 (3%) to reach 696, while child, young adult, and 25 - 44 adult cohorts are expected to decrease.
Frequently Asked Questions - Age
Data & MethodBoundaries, Sources & Method for Isaacs
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. The headline figure is therefore a current estimate for Aug 2026, not a 2021 count (2,379 at the 2021 Census → 2,402 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 (SAL80078). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.