Strathnairn (ACT)

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Drawing from ABS population data updates for the surrounding region and subsequent address validations by Districts following the Census, the suburb of Strathnairn has a projected residency of approximately 2,072 individuals as of May 2026. This indicates a growth of 1,358 people (190.2%) from the 2021 Census, when the headcount stood at 714 people. This adjustment is based on a resident population of 1,890 calculated by Districts using the ABS ERP release from June 2025 alongside an additional 211 validated new addresses registered after the Census. This population level translates to a density of 499 persons per square kilometer, which indicates low density and possibilities for upcoming residential projects. The suburb of Strathnairn's 190.2% expansion rate since the 2021 census outpaced the broader SA3 area (4.2%) as well as the state, positioning it as a primary driver of growth in the territory. The expansion was largely propelled by arrivals from other states, who accounted for roughly of the overall population rise in recent times, though natural increase and overseas migration also made positive contributions.

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Strathnairn boasts a well-educated labor pool where professional services are notably prevalent, alongside a modest unemployment rate of 3.1% and an estimated employment growth of 0.7% over the previous year according to Districts aggregated statistical area data. By March 2026, the local area had 982 individuals employed, with its unemployment rate sitting at 1.0% lower than the Australian Capital Territory's rate of 4.1%, while workforce participation remains fairly typical at 73.6% relative to the Australian Capital Territory's 70.8%. Census data indicates that only 9.9% of residents worked from home, though the lingering effects of Covid-19 lockdowns should be taken into account.

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According to the most recent postcode ATO statistics compiled by Districts for financial year 2023, the suburb of Strathnairn's median taxpayer income stands at $72,536, with an average of $81,992. This represents a very high level nationally, compared to the Australian Capital Territory median of $72,206 and average of $85,981. Factoring in Wage Price Index growth of 10.44% since financial year 2023, estimated figures would be approximately $80,109 (median) and $90,552 (average) as of March 2026. Data from the 2021 Census reveals household, family, and individual incomes are all elevated in the suburb of Strathnairn, placing in the 92nd to 93rd percentiles across the country. In terms of distribution, the $1,500 - 2,999 weekly bracket is the most common, accounting for of residents ( people), reflecting the surrounding region where fall into this range. Economic capacity is shown by the of households that earn high weekly incomes of more than which supports retail demand. Residential costs account for of earnings, yet strong wages keep disposable incomes in the st percentile, with a SEIFA income ranking in the th decile.

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Residential structures in the suburb of Strathnairn at the time of the last Census consisted of 83.6% detached houses and 16.4% other formats such as townhouses and units, compared to the Australian Capital Territory average of 63.3% houses and 36.7% other dwellings. The rate of outright home ownership in the suburb of Strathnairn was low compared to the territory, sitting at 8.1%, with the bulk of properties being purchased with a mortgage (86.4%) or occupied by renters (5.5%). The median monthly home loan payment was higher than the Australian Capital Territory average at $2,191, while the median weekly rental cost was $515, compared to territory figures of $2,080 and $450. Across Australia, the suburb of Strathnairn's mortgage payments are notably higher than the national median of $1,863, while weekly rents are well above the national benchmark of $375.

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Families make up the majority of homes at 78.2%, consisting of 43.1% couples with children, 27.6% couples without children, and 7.1% single parents. Non-family households account for the remaining 21.8% of residences, with single-person households representing 18.4% and group shared houses making up 3.3% of the total. The median household occupancy of 2.9 individuals is larger than the Australian Capital Territory average of 2.5.

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Educational qualification levels in the suburb of Strathnairn are higher than national averages, with 52.0% of residents aged 15+ holding a university degree, compared to 30.4% in Australia and 43.8% in the SA3 region. This educational profile positions local workers well for professional industries. Bachelor degrees are the most common credential at 27.3%, followed by postgraduate degrees (21.0%) and graduate diplomas (3.7%). Technical and vocational skills are also common, with 28.6% of residents aged 15+ holding vocational qualifications, split between advanced diplomas (14.1%) and certificates (14.5%).

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Transport analysis shows 5 active public transport stops within the suburb of Strathnairn, consisting of bus services. These stops are served by 24 separate bus routes, providing 1,148 passenger trips every week. Accessibility is good, with residents living an average of 287 meters from the nearest stop. Because it is a residential area, most workers commute out of the suburb, with private cars being the primary mode of travel at 94%. Households own an average of 1.5 vehicles, which is above the regional average. A low 9.9% of residents worked from home, based on 2021 Census data which was collected during COVID-19 pandemic restrictions.

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Health metric data indicates positive outcomes in the suburb of Strathnairn, according to Districts' evaluation of mortality data and chronic illness rates, showing very low rates of common illnesses across all age cohorts, while the proportion of residents with private health insurance is high, covering roughly 60% of the population (1,234 people). This compares to 62.4% across the Australian Capital Territory.

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The suburb of Strathnairn is a highly multicultural community, with 55.8% of residents using a language other than English at home and 51.5% born outside Australia. Christianity is the primary religion, followed by 38.3% of the population. The most notable difference from broader trends is in the Other category, which represents 9.6% of residents, far higher than the Australian Capital Territory average of 1.4%.

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With a median age of 30, the suburb of Strathnairn is younger than the Australian Capital Territory average of 35 and younger than the national average of 38. The age distribution shows a high concentration of 25 - 34 year-olds (26.9%), while the 55 - 64 age bracket is smaller (3.7%) than the territory average. The share of 25 - 34 year-olds is higher than the national figure of 14.6%. Post-2021 Census figures show the 5 to 14 age group increased from 13.0% to 17.7% of the population, and the 45 to 54 group rose from 7.9% to 9.0%. In contrast, the to cohort decreased from to and the to group declined from to . By the age structure is projected to shift, with the to age bracket expected to grow by people (), rising from to .

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Strathnairn currently has an estimated 198 children under 5 years old, comprising approximately 117 children aged 0-2 and 78 children aged 3-4. This cohort grew by an estimated 141% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 72% by 2041 (to approximately 341 children). Meanwhile the 5-12 cohort currently amounts to 294. Recent growth has been driven by high birth rates observed in the area, with approximately 32.0 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the top 20% of areas assessed nationally.