Blair Athol (SA)

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According to evaluations of ABS demographics data for the wider region, alongside updated addresses verified by Districts subsequent to the Census, the suburb of Blair Athol (SA) has a population projected at approximately 5,458 as of May 2026. This indicates a growth of 184 people (3.5%) from the 2021 Census, when the recorded population stood at 5,274 people. This shift is deduced from a resident population of 5,433, computed by Districts via analysis of the most recent ABS ERP figures from June 2025 and 96 validated new addresses registered after the Census date. Such population figures represent a density ratio of 2,784 persons per square kilometer, which is in the highest quartile of all Australian areas evaluated by Districts. Throughout the last ten years, the suburb of Blair Athol (SA) has shown strong growth indicators with a 1.4% compound annual growth rate, exceeding Greater Adelaide. The regional population expansion was chiefly fueled by overseas migration, which made up roughly 80.0% of the total demographic growth over recent times.

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The local workforce is characterized by strong educational credentials, broad industry representation, and an unemployment rate of 7.1%, according to Districts compilations of statistical area figures. As of March 2026, there are 2,519 residents in employment, while the unemployment rate is 3.3% higher than the Greater Adelaide rate of 3.8%, showing potential for improvement, and workforce participation remains low (60.3% compared to Greater Adelaide's 66.6%). Census responses indicate that a low 8.2% of residents worked from home, though the influence of Covid-19 lockdown restrictions must be kept in mind.

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The suburb of Blair Athol has income levels that are below the national average based on the latest financial year 2023 ATO figures aggregated by Districts. In the suburb of Blair Athol, the median income for taxpayers is $46,825 and the average stands at $52,875, compared to Greater Adelaide figures of $54,808 and $66,852. Factoring in Wage Price Index growth of 10.17% since financial year 2023, contemporary values would be roughly $51,587 (median) and $58,252 (average) as of March 2026. The 2021 Census records household incomes at the 33rd percentile ($1,459 weekly) and personal incomes at the 17th percentile. The largest demographic band consists of 33.6% earning $1,500 - 2,999 weekly (1,833 residents), aligning with metropolitan trends where are in this category. Affordability pressures are high, with only of income remaining after housing costs, ranking at the th percentile.

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At the time of the latest Census, the housing mix in Blair Athol was composed of 79.7% houses and 20.3% other dwellings (including semi-detached properties, apartments, and alternative housing types), compared to the Adelaide metro split of 75.2% houses and 24.9% other dwellings. The rate of home ownership was lower than the Adelaide metro level, standing at 21.9%, with the remaining properties being mortgaged (31.9%) or rented (46.2%). The median monthly mortgage payment in the area was higher than the Adelaide metro average at $1,600, whereas the median weekly rent was $321, compared to metropolitan figures of $1,562 and $320. On a national scale, Blair Athol's mortgage costs are much lower than the Australian average of $1,863, and rent prices are significantly below the national average of $375.

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Families make up the majority of households at 65.1%, including 30.4% couples with children, 19.4% couples without children, and 12.8% single parent families. Non-family households represent the remaining 34.9%, consisting of lone person households at 24.9% and group households at 10.0%. The median household size is 2.8 people, which is higher than the Greater Adelaide average of 2.5.

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The region features a distinct academic profile, with university qualification levels (28.3% of residents aged 15+) higher than the SA4 average of 19.8%, showing a strong focus on tertiary studies. Bachelor degrees are the most common at 19.1%, followed by postgraduate degrees (7.2%) and graduate diplomas (2.0%). Vocational and technical training is also common, with 27.7% of residents aged 15+ holding a vocational qualification, consisting of advanced diplomas (9.1%) and certificates (18.6%).

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Analysis of public transit options indicates that 18 stops operate within the suburb of Blair Athol (SA), featuring a combination of bus services. These stops are served by 25 different routes, which provide a total of 1,951 weekly passenger journeys. Access to transport is categorized as good, with residents living an average of 229 meters from their nearest transit point. Being a residential area, the majority of workers travel outside the suburb, with private vehicles remaining the main choice of transit at 86%, and buses used by 9%. Dwellings have an average of 1.3 vehicles. A relatively low 8.2% of residents work from home (2021 Census; potentially reflecting COVID-19 settings).

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Health indicators point to below-average standards in Blair Athol, according to Districts assessments of mortality rates and the prevalence of chronic illnesses, with common conditions among the broader public being relatively standard, though higher than the national average for older age groups, and the proportion of residents with private health insurance is very low at roughly 48% of the population (~2,616 people). This compares to 52.7% across Greater Adelaide and a national average of 55.7%.

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Blair Athol ranks as one of the most culturally diverse communities in Australia, with 50.7% of the population born outside the country and 57.6% using a non-English language at home. Christianity is the primary religion, followed by 31.4% of the population. The most significant divergence from regional averages is in Islam, which is practiced by 26.4% of residents, much higher than the Greater Adelaide average of 3.0%.

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The median age of 32 years in the suburb of Blair Athol (SA) is lower than the Greater Adelaide average of 39 and the Australian average of 38 years. Compared with Greater Adelaide, the suburb of Blair Athol (SA) has a high proportion of people aged 25 - 34 (22.0%) but fewer residents aged 75 - 84 (3.2%). The concentration of residents aged 25 - 34 is well above the national level of 14.6%. Since the 2021 Census, the proportion of residents aged 35 to 44 has increased from 14.3% to 14.9%. Population projections for 2041 indicate notable demographic shifts, with the 45 to 54 cohort expected to grow by , adding residents to reach .

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Blair Athol currently has an estimated 338 children under 5 years old, comprising approximately 213 children aged 0-2 and 141 children aged 3-4. This cohort declined by an estimated 4% since the previous census. though population forecasts indicate future growth, with an anticipated increase of 16% by 2041 (to approximately 393 children). Meanwhile the 5-12 cohort currently amounts to 479. Birth rates in the area have averaged 14.1 per 1,000 residents over the latest two-year period, a high rate (among the top 20% of areas assessed nationally).