Isaacs (ACT)

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Based on evaluation of ABS demographic releases for the wider region, alongside address checks conducted by Districts after the Census, the suburb of Isaacs has a projected population of approximately 2,402 in May 2026. This represents a growth of 23 people (1.0%) compared to the 2021 Census, when the count stood at 2,379 people. The calculation is derived from the resident population of 2,402, estimated by Districts analyzing the latest ABS ERP release (June 2025) and address tracking post-Census. Such a population size results in a density of 777 persons per square kilometer, which aligns closely with typical averages recorded across regions tracked by Districts. In recent times, the primary driver of population growth was overseas migration, which accounted for approximately 77.0% of the overall population gains.

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Data compiled by Districts across statistical boundaries shows that the suburb of Isaacs has a highly qualified workforce, a strong concentration of workers in essential services, an unemployment rate of just 3.2%, and steady employment levels over the prior year. In March 2026, there were 1,152 residents employed, while the local unemployment rate was 0.9% lower than the Australian Capital Territory average of 4.1%. Workforce participation is considerably lower at 57.5% compared to 70.8% across the Australian Capital Territory. Census returns indicate that a modest 13.0% of working residents operated from home, though this figure may reflect the influence of Covid-19 restrictions.

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According to the latest postcode-level ATO data released by Districts for financial year 2023, resident incomes in the suburb of Isaacs place it in the top national percentile, recording a median income of $74,144 and an average of $99,147. These figures compare to an Australian Capital Territory median of $72,206 and an average of $85,981. Factoring in Wage Price Index growth of 10.44% since financial year 2023, local incomes are estimated at roughly $81,885 for the median and $109,498 for the average as of March 2026. The 2021 Census confirms that household, family, and individual incomes in the suburb of Isaacs are highly ranked, placing in the 93rd to 94th national percentiles. The highest income tier of $4000+ per week is the most common, accounting for 31.7% of residents ( people), which contrasts with the broader region where of households earn between - . High-income earners are prominent, with of residents receiving more than weekly, pointing to substantial financial resources. Once housing costs are met, residents keep of their earnings, and the SEIFA index ranks the area in the th decile for income.

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The mix of housing in the suburb of Isaacs at the time of the last Census consisted of 83.9% standalone houses and 16.1% alternative dwellings such as semi-detached homes, apartments, or other housing formats, compared to 63.3% houses and 36.7% alternative dwellings across the Australian Capital Territory. Home ownership rates were notably higher than the territory average at 51.9%, with the remaining properties being purchased under a mortgage (30.6%) or occupied by tenants (17.5%). The median monthly mortgage payment was higher than the Australian Capital Territory average at $2,300, while the median weekly rent was $520, compared to territory figures of $2,080 and $450 respectively. On a national level, mortgage costs in the suburb of Isaacs are higher than the Australian average of $1,863, and typical rent levels exceed the national benchmark of $375.

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Families make up the majority of households at 76.4%, consisting of couples with children at 32.0%, couples without children at 34.5%, and single parent families at 8.8%. Non-family living arrangements account for the remaining 23.6%, with single-person households representing 20.7% and group households making up 2.6%. The median household size is 2.5 people, matching the average for the Australian Capital Territory.

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The level of education in the suburb of Isaacs is high, with 53.6% of residents aged 15+ holding a university degree, compared to 30.4% nationally and 46.8% in the SA4 region. This educational profile positions the community well for professional opportunities. Bachelor degrees are the most common qualification at 28.2%, followed by postgraduate degrees at 19.5% and graduate diplomas at 5.9%. Vocational qualifications are held by 19.8% of residents aged 15+, which includes advanced diplomas at 8.2% and certificate-level qualifications at 11.6%.

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Public transport services in the suburb of Isaacs include 19 active transit stops, consisting of bus services. These stops connect to 42 routes, providing a total of 3,615 weekly passenger trips. Transport access is convenient, with residents living an average of 164 meters from the nearest stop. Because it is a residential area, most workers commute to other districts; private vehicles are the main transport mode at 92%, with buses carrying 6%. Vehicle ownership averages 1.6 per household, which is higher than the regional average. A relatively low 13.0% of residents work from home, based on 2021 Census data collected during pandemic conditions.

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Health profiles for the suburb of Isaacs show excellent outcomes based on Districts analysis of mortality statistics and the occurrence of chronic conditions, with younger residents showing low rates of typical health issues. Private health insurance coverage is high, with approximately 66% of the population (1,593 people) covered, compared to 62.4% across the Australian Capital Territory and a national average of 55.7%.

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Cultural diversity measures are high in the suburb of Isaacs, where 36.6% of residents were born overseas and 31.6% speak a non-English language at home. Christianity is the most common religion, chosen by 51.1% of the population. There is a notable presence of Hinduism at 6.6% of residents, compared to 4.8% across the Australian Capital Territory.

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The median age in the suburb of Isaacs is 48 years, which is higher than the Australian Capital Territory average of 35 and the national median of 38. The 75 - 84 age cohort is notably prominent at 13.4% of the population, compared to a territory average where 25 - 34 year-olds are lower at 8.9%. This concentration of residents aged 75 - 84 is also higher than the national figure of 6.1%. Since the 2021 Census, the proportion of residents aged 75 to 84 grew from 10.2% to 13.4%, and the 15 to 24 cohort rose from 9.7% to 12.6%. Meanwhile, the 55 to age bracket fell from to and the to group decreased from to . Population projections for point to significant changes, with the + cohort expected to rise by people () from to . This aging trend is highlighted by the fact that residents aged + account for of the projected growth, while the to and to brackets are projected to decrease in size.

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Isaacs currently has an estimated 115 children under 5 years old, comprising approximately 68 children aged 0-2 and 46 children aged 3-4. This cohort grew by an estimated 44% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 13% by 2041 (to approximately 100 children). Meanwhile the 5-12 cohort currently amounts to 175. While growth has been positive birth rates observed in the area have been low, with approximately 8.1 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the bottom 30% of areas assessed nationally.