Isabella Plains

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

Based on AreaSearch's analysis, Isabella Plains's population is around 4,276 as of Feb 2026. This reflects a decrease of 53 people (1.2%) since the 2021 Census, which reported a population of 4,329 people. The change is inferred from the estimated resident population of 4,276 from the ABS as of June 2024 and an additional 1 validated new address since the Census date. This population level equates to a density ratio of 1,710 persons per square kilometer, which is above the average seen across national locations assessed by AreaSearch. While Isabella Plains experienced a 1.2% decline since the census, the SA3 area achieved 0.1% growth, highlighting divergent population trends. Population growth for the area was primarily driven by natural growth, which contributed approximately 65.0% of overall population gains during recent periods.

AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, and for years post-2032, age group growth rates from the ACT Government's SA2 area projections, with 2022 as a base, are adopted. Anticipating future population dynamics, lower quartile growth of Australian statistical areas is anticipated, with the area expected to expand by 57 persons by 2041 based on the latest annual ERP population numbers, reflecting an increase of 1.3% in total over the 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 around 1 residential property granted approval per year, with 5 homes approved over the past 5 financial years (between FY-21 and FY-25) and 1 so far in FY-26. Given population has fallen over the past period, housing supply has remained adequate relative to demand, creating a well-balanced market with good buyer choice, while new dwellings are developed at an average construction cost of $115,000—below the regional average—suggesting more affordable housing options for buyers. Additionally, $1.1 million in commercial approvals have been registered this financial year, indicating minimal commercial development activity.

Relative to the Australian Capital Territory, Isabella Plains records markedly lower building activity (90.0% below regional average per person). This scarcity of new homes typically strengthens demand and prices for existing properties. This is likewise lower than nationally, reflecting market maturity and pointing to possible development constraints. Meanwhile, new construction has been completely comprised of detached dwellings, sustaining the area's suburban identity with a concentration of family homes suited to buyers seeking space. Interestingly, developers are building more traditional houses than the current mix suggests (76.0% at Census), indicating continued strong demand for family homes.

Looking ahead, Isabella Plains is expected to grow by 57 residents through to 2041 (from the latest AreaSearch quarterly estimate). 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 29thth percentile nationally

Nothing can influence an area's performance as much as changes to local infrastructure, major projects, and planning initiatives. In total, 5 projects have been identified by AreaSearch that are likely to have an impact on the area. Key projects include the Tuggeranong Public Housing Development, Canberra Light Rail Stage 4 - Woden to Tuggeranong, Banks Gateway Estate, and Dairy Farmers Hill Precinct (1 Dairy Road), with the list below detailing those likely to be of most relevance.

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 features a skilled workforce, with essential services sectors well represented, an unemployment rate of 5.5%, and 0.5% in estimated employment growth over the past year. As of December 2025, 2,283 residents are in work, while the unemployment rate is 1.7% above the Australian Capital Territory's rate of 3.8%, and workforce participation is broadly similar to the Australian Capital Territory's 72.6%. Based on Census responses, a low 9.5% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

Employment among residents is concentrated in public administration & safety, health care & social assistance, and construction. The area shows particularly strong specialization in construction, with an employment share of 1.5 times the regional level. In contrast, professional & technical services employ just 7.1% of local workers, below the Australian Capital Territory's 11.1%. The predominantly residential area appears to offer limited employment opportunities locally, as indicated by the count of the Census working population versus the resident population.

Based on AreaSearch analysis of SALM and ABS data, during the year to December 2025, employment levels increased by 0.5% and the labour force increased by 1.3%, causing the unemployment rate to rise by 0.7 percentage points. By comparison, the Australian Capital Territory recorded employment growth of 0.9%, labour force growth of 1.2%, with unemployment rising 0.3 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 can offer further insight into potential future demand within Isabella Plains. These projections, covering five and ten-year periods, have been mapped against the local employment profile to estimate growth patterns. While national employment is forecast to expand by 6.6% over five years and 13.7% over ten years, growth rates differ significantly between industry sectors. Applying these industry-specific projections to Isabella Plains's employment mix suggests local employment should increase by 6.5% over five years and 13.3% over ten years (please note this is a simple weighting extrapolation for illustrative purposes and does not take into account localised population projections).

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

As per AreaSearch's latest postcode level ATO data released for FY-23, the Isabella Plains SA2's median income among taxpayers is $67,164, with an average of $73,281. This is higher than average nationally, and compares to the Australian Capital Territory's median of $72,206 and average of $85,981. Based on Wage Price Index growth of 9.26% since FY-23, current estimates would be approximately $73,383 (median) and $80,067 (average) as of September 2025. According to 2021 Census figures, household, family and personal incomes all rank highly in Isabella Plains, between the 74th and 85th percentiles nationally. Income analysis reveals the largest segment comprises 36.0% earning $1,500 - 2,999 weekly (1,539 residents), aligning with regional levels where this cohort likewise represents 34.3%. The substantial proportion of high earners (31.4% above $3,000/week) indicates strong economic capacity throughout Isabella Plains. Housing accounts for 14.5% of income, while strong earnings rank residents within the 76th percentile for disposable income and 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

Dwelling structure within Isabella Plains, as evaluated at the latest Census, comprised 75.5% houses and 24.5% other dwellings (semi-detached, apartments, 'other' dwellings), in comparison to the Australian Capital Territory's 63.3% houses and 36.7% other dwellings. Meanwhile, the level of home ownership within Isabella Plains was higher than that of the Australian Capital Territory, at 29.3%, with the remainder of dwellings either mortgaged (50.4%) or rented (20.3%). The median monthly mortgage repayment in the area was below the Australian Capital Territory average at $1,880, while the median weekly rent figure was recorded at $450, compared to the Australian Capital Territory's $2,080 and $450. Nationally, Isabella Plains's mortgage repayments are higher than the Australian average of $1,863, while rents are substantially above the national figure of $375.

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

Family households dominate at 74.3% of all households, comprising 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 of 2.6 people 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 faces educational challenges, with university qualification rates (26.3%) substantially below the SA4 region average of 46.8%. This represents both a challenge and an opportunity for targeted educational initiatives. Bachelor degrees lead at 17.7%, followed by postgraduate qualifications (5.7%) and graduate diplomas (2.9%). Trade and technical skills feature prominently, with 36.2% of residents aged 15+ holding vocational credentials, including advanced diplomas (12.1%) and certificates (24.1%).

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 reveals 24 active transport stops operating within Isabella Plains, comprising a mix of buses. These stops are serviced by 52 individual routes, collectively providing 3,032 weekly passenger trips. Transport accessibility is rated as good, with residents typically located 226 meters from the nearest transport stop. As a primarily residential area, most residents commute outward; the car remains the dominant mode at 93%, with 5% by bus. Vehicle ownership averages 1.6 per dwelling, which is above the regional average. A relatively low 9.5% of residents work from home (2021 Census; may reflect COVID-19 conditions).

Service frequency averages 433 trips per day across all routes, equating to 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 indicates relatively positive outcomes for Isabella Plains residents. AreaSearch's analysis of mortality rates and health conditions shows results broadly in line with national benchmarks, with the prevalence of common health conditions being quite low among the general population, though higher than the national average across older, at-risk cohorts. The rate of private health cover is very high at approximately 55% of the total population (~2,368 people), compared to 62.4% across the Australian Capital Territory.

The most common medical conditions in the area are asthma and mental health issues, impacting 9.3% and 9.2% of residents, respectively, while 67.1% declared themselves as completely clear of medical ailments compared to 70.2% across the Australian Capital Territory. Working-age residents show an above-average prevalence of chronic health conditions. The area has 17.2% of residents aged 65 and over (735 people), which is higher than the 14.3% in the Australian Capital Territory. Health outcomes among seniors present some challenges, though they rank 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 was found to be more culturally diverse than the vast majority of local markets, with 23.6% of its population born overseas and 20.8% speaking a language other than English at home. The main religion in Isabella Plains is Christianity, which makes up 47.8% of people. However, the most apparent overrepresentation was in Other, which comprises 2.3% of the population, compared to 1.4% across the Australian Capital Territory.

In terms of ancestry (country of birth of parents), the top three represented groups in Isabella Plains are Australian, comprising 26.1% of the population, English, comprising 25.6% of the population, and Other, comprising 9.5% of the population. Additionally, there are notable divergences in the representation of certain other ethnic groups: Spanish is notably overrepresented at 0.9% of Isabella Plains (vs 0.5% regionally), Serbian at 0.7% (vs 0.4%) and Macedonian at 0.5% (vs 0.2%).

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

At 36 years, Isabella Plains's median age nearly matches the Australian Capital Territory average of 35 while being somewhat younger than Australia's 38 years. Relative to the Australian Capital Territory, Isabella Plains has a higher concentration of 55 - 64 residents (11.8%) but fewer 15 - 24 year-olds (10.5%). Since the 2021 Census, the 65 to 74 age group has grown from 7.5% to 9.7% of the population, while the 75 to 84 cohort increased from 4.3% to 5.9%. Conversely, the 25 to 34 cohort has 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 for Isabella Plains. The 65 to 74 cohort shows the strongest projected growth at 21%, adding 86 residents to reach 500. Senior residents (65+) will drive 66% of population growth, underscoring demographic aging trends. Conversely, population declines are projected for the 0 to 4 and 55 to 64 cohorts.