Casey (ACT)

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Drawing on ABS demographic updates for the wider region and recent address validations conducted by Districts since the Census, the suburb of Casey has an estimated population of 6,748 as of May 2026. This represents a growth of 277 people (4.3%) relative to the 2021 Census, when the count was 6,471 people. This trend is calculated from a resident population of 6,731, which Districts estimated after evaluating the ABS June 2025 release of estimated resident population statistics, along with 14 validated new addresses added since the Census. Such population numbers translate to a density of 2,575 persons per square kilometer, placing the suburb of Casey in the top quartile of national territories evaluated by Districts. Over the ten years leading up to this point, the suburb of Casey has shown steady expansion with a 2.2% compound annual growth rate, exceeding the broader SA4 region. Demographic expansion in this locality was mostly fueled by natural growth, which accounted for approximately 64.0% of the total population increase in recent times.

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The suburb of Casey has a highly educated workforce with strong representation in essential service industries, an unemployment rate of just 3.5%, and stable employment conditions over the preceding year, according to aggregated local data compiled by Districts. In March 2026, employed residents numbered 4,118, while the unemployment rate was 0.6% lower than the 4.1% recorded across the Australian Capital Territory. Participation in the labour force was exceptionally high, reaching 81.8% compared to the Australian Capital Territory average of 70.8%. Census data indicates that a low 10.1% of residents worked from home, although this figure was likely influenced by COVID-19 lockdowns.

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According to the most recent postcode ATO data from Districts for financial year 2023, taxpaying residents in the suburb of Casey earn a median income of $75,532 and an average of $87,466. These figures are among the highest nationwide, compared to a median of $72,206 and an average of $85,981 in the Australian Capital Territory. Factoring in Wage Price Index growth of 10.44% since financial year 2023, current projections suggest a median of roughly $83,418 and an average of $96,597 as of March 2026. Census data from 2021 shows household, family, and individual incomes in the suburb of Casey are positioned in the top tier, placing between the 93rd and 95th percentiles nationally. Income distribution shows 38.1% of residents (2,570 people) earn within the $1,500 - range, reflecting the wider region where are in the same bracket. The suburb of Casey displays strong household wealth, with of residents earning weekly incomes above which supports high-end retail and services. Housing expenses take up of earnings, yet strong wages keep disposable income in the nd percentile, while the SEIFA index ranks the area in the th decile for income.

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The mix of housing in the suburb of Casey at the last Census consisted of 75.6% separate houses and 24.4% other housing types like townhouses and apartments, compared to 63.3% houses and 36.7% other dwellings across the Australian Capital Territory. Meanwhile, outright home ownership in the suburb of Casey lagged behind the Australian Capital Territory average, standing at 11.8%, with the majority of properties being paid off via a mortgage (58.4%) or rented (29.8%). The median monthly mortgage payment was higher than the Australian Capital Territory average at $2,167, while the median weekly rent was recorded at $502, compared to regional figures of $2,080 and $450. On a national level, mortgage payments in the suburb of Casey are considerably higher than the Australian average of $1,863, and rents are also well above the national median of $375.

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Families make up 79.3% of all households in the suburb of Casey, consisting of 47.0% couples with children, 20.7% couples without children, and 10.5% single parents. The remaining 20.7% are non-family households, which are comprised of lone persons at 17.9% and group living situations at 2.9%. The median household size is 2.9 residents, which is larger than the Australian Capital Territory average of 2.5.

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The level of education in the suburb of Casey is high compared to national standards, with 42.3% of residents aged 15+ holding a university degree, compared to 30.4% across Australia. This educational profile positions the community well for professional industries. Bachelor degrees are the most common qualification at 24.4%, followed by postgraduate degrees (13.9%) and graduate diplomas (4.0%). Technical and vocational qualifications are also common, with 29.8% of residents aged 15+ holding vocational credentials, consisting of advanced diplomas (12.7%) and certificates (17.1%).

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Analysis of public transit options shows 17 active bus stops operating in the suburb of Casey. These stops are serviced by 55 routes, which provide 2,584 weekly passenger trips. Transport access is rated as excellent, with households typically situated 194 meters from their closest transit stop. Because the area is mostly residential, most workers commute to other areas, making private vehicles the primary transport method at 91%. Car ownership averages 1.5 vehicles per household, which is higher than the regional average. A relatively low 10.1% of residents worked from home, according to the 2021 Census, which may reflect the pandemic conditions at the time.

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The suburb of Casey exhibits positive health profiles, with Districts evaluations of mortality and chronic illnesses showing low rates of common health issues across both younger and older demographics. Additionally, the proportion of residents with private health insurance is high, covering approximately 62% of the population (4,166 people), compared to a national average of 55.7%.

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The suburb of Casey has a diverse cultural profile, with 32.3% of residents born outside Australia and 33.5% speaking a non-English language at home. Christianity is the main religious affiliation, representing 42.1% of the local population. However, the most distinct religious difference is in the Other category, which represents 3.1% of the population, compared to 1.4% across the Australian Capital Territory.

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With a median age of 33 years, the suburb of Casey is slightly younger than the Australian Capital Territory median of 35 and noticeably younger than the national median of 38. The suburb of Casey has a higher proportion of residents aged 35 - 44 (22.8%) compared to the Australian Capital Territory, but fewer residents aged 75 - 84 (1.8%). The concentration of 35 - 44 year-olds is higher than the national figure of 14.3%. Since 2021, the local population has aged slightly, with the median age rising from 32 to 33 years. Shifts in demographics include the 45 to 54 cohort increasing from 11.1% to 14.0% of the population. In contrast, the to group fell from to and the to group declined from to . Projections for point to demographic changes, with the to cohort expected to grow by people () from to while the to and to age groups are projected to contract.

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Casey currently has an estimated 546 children under 5 years old, comprising approximately 327 children aged 0-2 and 219 children aged 3-4. This cohort declined by an estimated 16% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 1% by 2041 (to approximately 542 children). Meanwhile the 5-12 cohort currently amounts to 784. Birth rates in the area have averaged 16.3 per 1,000 residents over the latest two-year period, a high rate (among the top 20% of areas assessed nationally). This rate has slowed down slightly in recent years however.