Isabella Plains

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

Isabella Plains' population was 4,329 as of May 2021. As of June 2025, it is estimated to be 4,324, a decrease of 5 people (0.1%). This change is inferred from ABS data and an additional validated new address since the Census date in May 2021. The population density as of June 2025 is 1,729 persons per square kilometer. This is higher than the average across national locations assessed by AreaSearch. While Isabella Plains experienced a 0.1% decline since the census, the SA3 area achieved 1.4% growth, indicating divergent population trends.

Natural growth contributed approximately 61.8% of overall population gains in recent periods. AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data and years post-2032, age group growth rates from the ACT Government's SA2 area projections, using 2022 as a base, are adopted. Based on the latest annual ERP population numbers, the area is expected to expand by 67 persons to reach 4,391 by 2041, reflecting an increase of 1.6% in total over the 16-year period.

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. Between financial years 2021 (FY-21) and 2025 (FY-25), five homes were approved, with two more granted in FY-26 to date. Despite a falling population 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 of new dwellings is $115,000, below the regional average, suggesting affordable housing options for buyers. In FY-26, $1.1 million in commercial approvals have been registered, indicating minimal commercial development activity. Compared to the Australian Capital Territory, Isabella Plains records significantly lower building activity, 90.0% below the regional average per person. This scarcity of new homes typically strengthens demand and prices for existing properties. 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, indicating continued strong demand for family homes. According to AreaSearch's latest quarterly estimate, Isabella Plains is expected to grow by 67 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.

Isabella Plains has emerging levels of nearby infrastructure activity, ranking in the 27thth percentile nationally

Five projects have been identified by AreaSearch as potentially impacting the area. These include Tuggeranong Public Housing Development, Canberra Light Rail Stage 4 - Woden to Tuggeranong, Banks Gateway Estate, and Dairy Farmers Hill Precinct (1 Dairy Road).

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

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

Isabella Plains has a skilled workforce with notable representation in essential services sectors. The unemployment rate was 5.5% as of December 2025. Employment growth over the past year was estimated at 0.5%.

There were 2,283 residents employed by December 2025, with an unemployment rate of 1.7% higher than the Australian Capital Territory's rate of 3.8%. Workforce participation was similar to the ACT's 70.5%. Census responses indicated that 9.5% of residents worked from home. Employment is concentrated in public administration & safety, health care & social assistance, and construction sectors.

The area has a strong specialization in construction with an employment share 1.5 times the regional level. In contrast, professional & technical services employed only 7.1% of local workers compared to the ACT's 11.1%. Limited local employment opportunities are suggested by the Census working population vs resident population count. Between December 2024 and December 2025, employment levels increased by 0.5%, labour force grew by 1.3%, causing unemployment to rise by 0.7 percentage points. For comparison, the ACT recorded employment growth of 0.9%, labour force growth of 1.2%, with unemployment rising by 0.3 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 suggest potential future demand within Isabella Plains. National employment is forecast to expand by 6.6% over five years and 13.7% over ten years, but growth rates vary significantly between industry sectors. Applying these projections to Isabella Plains' employment mix indicates local employment should increase by 6.5% over five years and 13.3% over ten years.

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

AreaSearch's latest postcode level ATO data for financial year 2023 shows Isabella Plains SA2 had a median income among taxpayers of $67,164 and an average of $73,281. This is higher than the national average. The Australian Capital Territory had a median income of $72,206 and an average of $85,981 during this period. Based on Wage Price Index growth of 10.44% since financial year 2023, current estimates for Isabella Plains would be approximately $74,176 (median) and $80,932 (average) as of March 2026. According to the 2021 Census, incomes in Isabella Plains rank highly nationally, between the 74th and 85th percentiles for households, families, and individuals. Income analysis reveals that the largest segment comprises 36.0% earning $1,500 - $2,999 weekly (1,556 residents), aligning with regional levels where this cohort represents 34.3%. The area has a substantial proportion of high earners, with 31.4% earning above $3,000 per week, indicating strong economic capacity. Housing accounts for 14.5% of income, and the area's residents rank within the 76th percentile for disposable income. The SEIFA income ranking places Isabella Plains in the 6th decile.

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

Isabella Plains' dwellings, as per the latest Census, consisted of 75.5% houses and 24.5% other dwellings (semi-detached, apartments, 'other'). In comparison, Australian Capital Territory had 63.3% houses and 36.7% other dwellings. Home ownership in Isabella Plains stood at 29.3%, with mortgaged dwellings at 50.4% and rented ones at 20.3%. The median monthly mortgage repayment was $1,880, lower than the Australian Capital Territory average of $2,080. The median weekly rent was $450, matching the Australian Capital Territory figure but higher than the national average of $375. Nationally, Isabella Plains' mortgage repayments were slightly higher at $1,863.

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 make up the remaining 25.7%, with lone person households at 23.3% and group households comprising 2.3% of the total. The median household size is 2.6 people, 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 most common at 17.7%, followed by postgraduate qualifications (5.7%) and graduate diplomas (2.9%). Vocational credentials are held by 36.2% of residents aged 15+, including advanced diplomas (12.1%) and certificates (24.1%). Educational participation is high, with 29.2% currently enrolled in formal education, comprising 10.7% in primary, 7.2% in secondary, and 4.6% in tertiary education.

Educational participation is notably 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

Public transport analysis shows 24 active stops operating in Isabella Plains, with a mix of bus services. These stops are served by 52 individual routes, collectively providing 3032 weekly passenger trips. Transport accessibility is rated good, with residents typically located 226 meters from the nearest stop. Most residents commute outward due to its residential nature. Car remains dominant at 93%, while bus usage is 5%. Vehicle ownership averages 1.6 per dwelling, above regional average.

In 2021 Census data, which may reflect COVID-19 conditions, only 9.5% of residents work from home. Service frequency averages 433 trips daily across all routes, equating to approximately 126 weekly trips per 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

Isabella Plains residents have relatively positive health outcomes according to data analysis by AreaSearch. Mortality rates and health conditions are broadly in line with national benchmarks, with low prevalence of common health conditions among the general population.

However, prevalence is higher than the national average for older, at-risk cohorts. Private health cover is very high, at approximately 55% of the total population (around 2,395 people), compared to 62.4% across Australian Capital Territory. The most common medical conditions are asthma and mental health issues, affecting 9.3 and 9.2% of residents respectively. 67.1% of residents declare themselves completely clear of medical ailments, compared to 70.2% across Australian Capital Territory. Working-age residents show above average prevalence of chronic health conditions. The area has 17.7% of residents aged 65 and over (764 people), higher than the 14.3% in 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, surveyed in June 2016, had 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 was the predominant religion, making up 47.8% of people in Isabella Plains. Notably, the 'Other' religious category comprised 2.3%, higher than the Australian Capital Territory's average of 1.4%.

Regarding ancestry, Australians made up 26.1%, English 25.6%, and Other 9.5% of the population. Some ethnic groups were notably overrepresented: Spanish at 0.9% (regional average 0.5%), Serbian at 0.7% (0.4%), and Macedonian at 0.5% (0.2%).

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

Isabella Plains has a median age of 36 years, nearly matching the Australian Capital Territory average of 35 but somewhat younger than Australia's 38 years. Compared to the Australian Capital Territory, Isabella Plains has a higher concentration of residents aged 65-74 (9.8%) but fewer residents aged 25-34 (14.2%). Between the 2021 Census and the present day, the proportion of residents aged 65-74 has grown from 7.5% to 9.8%, while those aged 75-84 have increased from 4.3% to 5.9%. Conversely, the proportion of residents aged 25-34 has declined from 15.9% to 14.2%, and the proportion of residents aged 55-64 has dropped from 13.0% to 11.7%. Population forecasts for the year 2041 indicate significant demographic changes for Isabella Plains, with the strongest projected growth in the 65-74 age cohort (21%), adding 88 residents to reach a total of 511. Residents aged 65 and above will drive 66% of population growth, highlighting trends towards an aging population. Conversely, population declines are projected for the 0-4 and 55-64 age cohorts.