Isabella Plains

Isabella Plains has shown very soft population growth performance across periods assessed by AreaSearch

Isabella Plains' population was around 4,276 as of February 2026. This reflected a decrease of 53 people since the 2021 Census, which reported a population of 4,329. The change was inferred from ABS estimated resident population figures of 4,276 in June 2024 and one validated new address since the Census date. The population density was 1,710 persons per square kilometer, above national averages assessed by AreaSearch. While Isabella Plains experienced a 1.2% decline since the Census, the SA3 area had 0.1% growth, indicating divergent trends. Natural growth contributed approximately 65.0% of overall population gains recently.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered and years post-2032, ACT Government's SA2 area projections are adopted. Future growth is anticipated to be lower quartile, with the area expected to expand by 57 persons to 2041 based on latest annual ERP population numbers, reflecting a total increase of 1.3% over 17 years.

The level of residential development activity in Isabella Plains is very low in comparison to the average area assessed nationally by AreaSearch

Isabella Plains has recorded approximately one residential property approval per year. Over the past five financial years, from FY21 to FY25, a total of five homes were approved, with an additional one approved in FY26 so far. Despite population decline during this period, housing supply has remained adequate relative to demand, resulting in a balanced market with good buyer choice.

The average expected construction cost value for new dwellings is $115,000, which is below the regional average, suggesting more affordable housing options for buyers. In FY26, commercial approvals totaling $1.1 million have been registered, indicating minimal commercial development activity in the area. Compared to the Australian Capital Territory, Isabella Plains records significantly lower building activity, at 90.0% below the regional average per person. This scarcity of new homes typically strengthens demand and prices for existing properties. Furthermore, new construction has been entirely comprised of detached dwellings, sustaining the area's suburban identity with a concentration of family homes suited to buyers seeking space.

Developers are building more traditional houses than the current mix suggests (76.0% at Census), indicating continued strong demand for family homes. According to the latest AreaSearch quarterly estimate, Isabella Plains is expected to grow by 57 residents through to 2041. If current development rates continue, housing supply may not keep pace with population growth, potentially increasing competition among buyers and supporting stronger price growth in the future.

Isabella Plains has emerging levels of nearby infrastructure activity, ranking in the 29thth percentile nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch has identified five projects likely to affect the area. Key projects are Tuggeranong Public Housing Development, Canberra Light Rail Stage 4 - Woden to Tuggeranong, Banks Gateway Estate, and Dairy Farmers Hill Precinct (1 Dairy Road). The following list details those most relevant.

Professional plan users can use the search below to filter and access additional projects.

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.

Isabella Plains shows employment indicators that trail behind approximately 70% of regions assessed across Australia

Isabella Plains has a skilled workforce with prominent representation in essential services sectors. The unemployment rate was 5.1% as of September 2025. Employment growth over the past year was estimated at 1.2%.

There were 2,288 residents employed while the unemployment rate was 1.6% higher than the Australian Capital Territory's rate of 3.6%. Workforce participation was similar to the ACT's 72.5%. According to Census responses, 9.5% of residents worked from home. Employment is concentrated in public administration & safety, health care & social assistance, and construction.

The area has a strong specialization in construction with an employment share of 1.5 times the regional level. Professional & technical employs only 7.1% of local workers, below the ACT's 11.1%. The predominantly residential area offers limited local employment opportunities. Between September 2024 and September 2025, employment levels increased by 1.2% and labour force increased by 1.3%, keeping the unemployment rate stable. In comparison, the ACT recorded employment growth of 1.4%, labour force growth of 1.2%, with a decrease in unemployment by 0.2 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 project national employment expansion by 6.6% over five years and 13.7% over ten years. Applying these projections to Isabella Plains' employment mix suggests local employment should increase by 6.5% over five years and 13.3% over ten years, based on a simple weighting extrapolation for illustrative purposes.

Income metrics indicate excellent economic conditions, with the area achieving higher performance than 75% of national locations assessed by AreaSearch

AreaSearch released postcode level ATO data for financial year 2023. Isabella Plains SA2 had a median income among taxpayers of $67,164 and an average of $73,281. Nationally, the median was lower at $59,343 with an average of $74,652. In Australian Capital Territory, the median was $72,206 and the average was $85,981. By September 2025, estimates suggest a median income of approximately $73,383 and an average of $80,067 in Isabella Plains SA2, based on Wage Price Index growth of 9.26% since financial year 2023. According to the 2021 Census, incomes in Isabella Plains rank highly nationally, between the 74th and 85th percentiles for household, family, and personal incomes. Income analysis shows that the largest segment comprises 36.0% earning $1,500 - $2,999 weekly (1,539 residents), aligning with regional levels where this cohort represents 34.3%. A substantial proportion of high earners, at 31.4%, indicates strong economic capacity throughout the area. Housing accounts for 14.5% of income, and residents rank within the 76th percentile for disposable income. The area's SEIFA income ranking places it in the 6th decile.

Isabella Plains is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Isabella Plains' dwelling structures, as per the latest Census, consisted of 75.5% houses and 24.5% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to the Australian Capital Territory's figures of 63.3% houses and 36.7% other dwellings. Home ownership in Isabella Plains stood at 29.3%, with mortgaged dwellings accounting for 50.4% and rented dwellings making up 20.3%. The median monthly mortgage repayment was $1,880, lower than the Australian Capital Territory average of $2,080. The median weekly rent figure was recorded at $450, matching the Australian Capital Territory's figure. Nationally, Isabella Plains' mortgage repayments were higher than the Australian average of $1,863, while rents were substantially above the national figure of $375.

Isabella Plains has a typical household mix, with a higher-than-average median household size

Family households account for 74.3% of all households, including 35.5% couples with children, 24.4% couples without children, and 13.2% single parent families. Non-family households constitute the remaining 25.7%, with lone person households at 23.3% and group households making up 2.3% of the total. The median household size is 2.6 people, which is larger than the Australian Capital Territory average of 2.5.

The educational profile of Isabella Plains exceeds national averages, with above-average qualification levels and academic performance metrics

The area's university qualification rate is 26.3%, significantly lower than the SA4 region average of 46.8%. Bachelor degrees are the most common at 17.7%, followed by postgraduate qualifications at 5.7% and graduate diplomas at 2.9%. Vocational credentials are held by 36.2% of residents aged 15 and above, with advanced diplomas at 12.1% and certificates at 24.1%. Educational participation is high, with 29.2% of residents currently enrolled in formal education.

This includes 10.7% in primary education, 7.2% in secondary education, and 4.6% pursuing tertiary education.

Transport servicing is high compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Isabella Plains has 24 operational public transport stops serving a mix of bus routes. These stops are covered by 52 different routes offering 3032 weekly passenger trips in total. Residents have good access to transport, with an average distance of 226 meters to the nearest stop. Most residents commute outside Isabella Plains. Car is the primary mode of transport at 93%, with bus usage at 5%. Vehicle ownership stands at 1.6 per dwelling, higher than the regional average.

According to the 2021 Census, only 9.5% of residents work from home, potentially due to COVID-19 conditions. On average, there are 433 trips daily across all routes, resulting in approximately 126 weekly trips per individual stop.

Isabella Plains's residents are healthier than average in comparison to broader Australia with prevalence of common health conditions quite low among the general population though higher than the nation's average across older, at risk cohorts

Health data shows positive outcomes for Isabella Plains residents. Mortality rates and health conditions are largely aligned with national benchmarks.

Common health conditions are low among the general population but higher among older, at-risk cohorts. Private health cover is high, at approximately 55% of the total population (around 2,368 people), compared to 62.4% in the Australian Capital Territory. The most prevalent medical conditions are asthma and mental health issues, affecting 9.3% and 9.2% of residents respectively. Around 67.1% of residents report no medical ailments, compared to 70.2% across the Australian Capital Territory. Working-age residents have a higher prevalence of chronic health conditions. The area has 17.2% of residents aged 65 and over (735 people), higher than the 14.3% in the Australian Capital Territory. Health outcomes among seniors present some challenges, ranking lower nationally than the broader population.

The level of cultural diversity witnessed in Isabella Plains was found to be slightly above average when compared nationally for a number of language and cultural background related metrics

Isabella Plains has a higher cultural diversity than most local markets, with 23.6% of its population born overseas and 20.8% speaking a language other than English at home. Christianity is the dominant religion in Isabella Plains, making up 47.8% of the population. However, the most significant overrepresentation is seen in Other religions, which comprise 2.3% of the population compared to 1.4% across Australian Capital Territory.

The top three ancestry groups in Isabella Plains are Australian at 26.1%, English at 25.6%, and Other at 9.5%. Notably, Spanish (0.9%), Serbian (0.7%), and Macedonian (0.5%) ethnicities are overrepresented compared to regional averages of 0.5%, 0.4%, and 0.2% respectively.

Isabella Plains's population is slightly younger than the national pattern

At age 36 years, Isabella Plains's median age is nearly matching the Australian Capital Territory average of 35 years, while being somewhat younger than Australia's 38 years. Compared to the Australian Capital Territory, Isabella Plains has a higher concentration of residents aged 55-64 (11.8%) but fewer residents aged 15-24 (10.5%). Between the censuses of 2021 and 2026, the population aged 65 to 74 grew from 7.5% to 9.7%, while that aged 75 to 84 increased from 4.3% to 5.9%. Conversely, the population aged 25 to 34 declined from 15.9% to 14.5%, and the 55 to 64 group dropped from 13.0% to 11.8%. Population forecasts for 2041 indicate substantial demographic changes in Isabella Plains, with the strongest projected growth in the 65 to 74 cohort (21%), adding 86 residents to reach 500. Senior residents aged 65 and above will drive 66% of population growth, underscoring trends towards an aging demographic. Conversely, population declines are projected for the cohorts aged 0 to 4 and 55 to 64.