Lyneham (ACT)

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According to investigations of ABS updates regarding the wider region and recently validated addresses from Districts since the Census, the suburb of Lyneham has an estimated population of 6,032 as of May 2026. This represents a growth of 329 people (5.8%) since the 2021 Census, which documented 5,703 residents. The shift is calculated using a resident population estimate of 6,013 from Districts, which analyzed the latest ABS ERP release (June 2025) and integrated 491 validated new addresses following the Census date. The suburb of Lyneham has a density ratio of 1,100 persons per square kilometer, which is consistent with the standard averages recorded by Districts. In the last ten years, the suburb of Lyneham has shown steady growth with a compound annual rate of 1.6%, exceeding the national benchmark. Growth in the suburb of Lyneham was mostly fueled by arrivals from overseas, which acted as almost the only source of population expansion recently.

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The suburb of Lyneham has a highly educated workforce with a major concentration in professional services, an unemployment rate of 4.5%, and relatively steady job numbers over the last year, according to statistical data compiled by Districts. In March 2026, there are 3,646 employed residents, with an unemployment rate 0.4% higher than the Australian Capital Territory average of 4.1%, while workforce participation matches the Territory rate of 70.8%. Census data indicates a low 12.2% of residents work from home, though this figure may be influenced by lockdowns related to Covid-19.

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Data from the ATO compiled by Districts for financial year 2023 ranks the income levels in the suburb of Lyneham among the highest in the country. The suburb of Lyneham shows a median taxpayer income of $67,498 and an average of $83,440, compared to the broader Australian Capital Territory figures of $72,206 and $85,981. Factoring in Wage Price Index growth of 10.44% since financial year 2023, the current estimates translate to roughly $74,545 for the median and $92,151 for the average as of March 2026. The 2021 Census places individual weekly earnings at the 91st percentile nationally ($1,200). The community profile shows that 37.3% of residents (2,249 individuals) fall within the weekly earnings range of $1,500 - which is comparable to the wider territory average of . High affluence is visible as earn more than weekly, which underpins local premium retail and service businesses. High housing costs account for of income, yet strong earnings keep disposable income in the nd percentile, and the SEIFA index ranks the locality in the th decile.

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The dwelling landscape in the suburb of Lyneham at the time of the latest Census consisted of 27.0% detached houses and 73.0% other types of housing, including townhouses and apartments, compared to the Australian Capital Territory split of 63.3% houses and 36.7% other dwellings. Meanwhile, home ownership in the suburb of Lyneham was below the territory rate at 23.5%, with the remaining properties being mortgaged (26.8%) or rented (49.7%). The median monthly mortgage payment in the suburb of Lyneham was $1,800, which is below the Australian Capital Territory median of $2,080, while the median weekly rent was $425, compared to the territory median of $450. On a national scale, mortgage commitments in the suburb of Lyneham are lower than the Australian median of $1,863, whereas rental costs are much higher than the national median of $375.

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Families make up 52.5% of all households in the suburb of Lyneham, consisting of 17.0% couples with children, 27.1% couples without children, and 7.3% single parent households. The remaining 47.5% are non-family households, which include lone person households at 37.8% and group households at 9.4%. The average household size of 2.1 persons is lower than the Australian Capital Territory average of 2.5.

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Educational achievements in the suburb of Lyneham are significantly higher than broader averages, with 60.5% of residents aged 15+ holding a university degree, compared to 30.4% across Australia and 46.8% in the SA4 region. This educational profile positions local residents well for knowledge-intensive career paths. Bachelor degrees are the most common qualification at 31.7%, followed by postgraduate degrees (22.7%) and graduate diplomas (6.1%). Vocational training accounts for 16.3% of qualifications among residents aged 15+, comprising advanced diplomas (7.2%) and certificates (9.1%).

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Analysis of the public transport network shows 45 transit stops in operation within the suburb of Lyneham, consisting of light rail and bus services. These stops support 115 unique routes, which together provide 9,310 passenger journeys each week. Transport connectivity is high, with residents living an average of 164 meters from the nearest stop. Due to the residential nature of the suburb of Lyneham, most residents travel outside the area for work, with private cars being the primary mode of travel at 61%, followed by buses at 13% and cycling at 10%. Average vehicle ownership is 0.9 per household, which is lower than the territory average. A low 12.2% of residents work from home, based on the 2021 Census, which may have been influenced by COVID-19 rules.

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Health measures point to below-average outcomes in the suburb of Lyneham, based on Districts assessments of mortality and chronic illness rates, although the prevalence of typical health conditions in the broader community is standard, while being slightly elevated compared to national levels for older groups. The proportion of residents with private health insurance is high, sitting at approximately 60% of the population (3,628 people), compared to 62.4% across the Australian Capital Territory.

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The suburb of Lyneham displays higher levels of cultural diversity than most property markets, with 34.7% of residents born overseas and 28.1% speaking a non-English language at home. Christianity is the main religion, practiced by 30.4% of the population. The most prominent statistical difference is in Buddhism, which accounts for 5.1% of the population compared to 3.0% across the Australian Capital Territory.

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The median age in the suburb of Lyneham is 34 years, which is close to the Australian Capital Territory median of 35 and lower than the national median of 38 years. Compared to the territory, the suburb of Lyneham has a larger share of residents aged 25 - 34 (25.8%) but a smaller share of children aged 5 - 14 (7.5%). The 25 - 34 demographic is much larger than the national average of 14.6%. Post-2021 Census figures show the 35 to 44 age cohort has increased from 14.5% to 16.8% of the population, and the 25 to 34 age bracket has risen from 24.0% to 25.8%. In contrast, the 15 to demographic fell from to , while the group aged and over declined from to . Demographic projections show that the age profile in the suburb of Lyneham will change by with the to group expected to grow the most, rising by (adding residents) to reach people.

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Lyneham currently has an estimated 247 children under 5 years old, comprising approximately 142 children aged 0-2 and 94 children aged 3-4. This cohort grew by an estimated 8% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 35% by 2041 (to approximately 333 children). Meanwhile the 5-12 cohort currently amounts to 355. While growth has been positive birth rates observed in the area have been moderate, with approximately 8.6 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.