Seven Hills (NSW)

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According to ABS population tracking for the surrounding region alongside address verifications performed by Districts following the Census, the suburb of Seven Hills (NSW) has an estimated residency of 20,980 as of May 2026. This represents an addition of 885 individuals (4.4%) from the 2021 Census, which documented 20,095 residents. The figures are calculated from a resident base of 20,909 calculated by Districts using the latest ABS ERP release from June 2025, combined with 213 validated new addresses registered after the Census date. This population size yields a density of 2,174 persons per square kilometer, outstripping the typical density across national localities monitored by Districts. The 4.4% expansion rate in the suburb of Seven Hills (NSW) since the 2021 census marginally paced ahead of the broader SA3 region's 4.3%, positioning it at the forefront of local growth. This upward trajectory was largely underpinned by arrivals from abroad, who accounted for roughly of the overall population gains in recent times.

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Seven Hills has a highly qualified labor force, featuring a strong contingent in professional services, an unemployment rate of only 3.9%, and an annual employment growth estimate of 1.8%, according to Districts regional aggregations. There were 11,582 working residents in March 2026, while the jobless rate was 0.2% below the 4.1% recorded for Greater Sydney. Workforce participation levels closely track the Greater Sydney rate of 69.1%. Census responses indicate that a substantial 39.8% of employed individuals worked from home, though this figure should be interpreted in the context of pandemic restrictions.

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According to tax data from the ATO compiled by Districts for financial year 2023, Seven Hills has income levels that sit below the national average. Taxpayers in the suburb recorded a median income of $51,160 and an average income of $60,694, contrasting with Greater Sydney statistics of $60,817 and $83,003 respectively. Adjusting for a Wage Price Index increase of 10.32% since financial year 2023, current estimates for March 2026 would be roughly $56,440 for the median and $66,958 for the average. Census data places household, family, and individual incomes in Seven Hills around the 51st percentile across the nation. Income distribution indicates that the $1,500 - 2,999 weekly bracket includes 33.3% of the population (6,986 people), which aligns with the regional distribution of 30.9% in the same bracket. Mortgage and rent costs consume of income, but solid earnings keep disposable income at the th percentile, and the SEIFA index for income places the area in the th decile.

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Census records indicate that standalone houses constitute 84.2% of the residential stock in Seven Hills, with the remaining 15.8% comprising apartments, townhouses, and other dwelling forms, compared to Sydney metro where standalone houses account for 55.9% and alternative dwellings make up 44.1%. The rate of home ownership in Seven Hills matches the Sydney metro average at 28.3%, with the remaining properties divided between those with a mortgage (35.6%) and rental properties (36.2%). The median monthly mortgage payment of $2,200 is lower than the Sydney metro median of $2,427, while the weekly rent median of $400 is below the metropolitan figure of $470. On a national level, Seven Hills mortgage costs are notably higher than the Australian median of $1,863, and median rents exceed the national rate of $375.

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Families make up 75.6% of households, consisting of couples with children at 39.4%, couples without children at 22.5%, and single parents at 12.0%. Non-family households account for the remaining 24.4% of homes, including single person households at 21.0% and group households at 3.4%. The median household size of 2.8 persons is slightly larger than the Greater Sydney average of 2.7.

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Attainment levels in Seven Hills sit below regional averages, with 32.9% of residents aged 15+ holding a university degree, compared to 38.0% across Greater Sydney. This highlights opportunities for educational advancement and skill development. Bachelor degrees are the most common higher qualification at 21.2%, followed by postgraduate degrees at 9.8% and graduate diplomas at 1.9%. Vocational and technical qualifications are common, with 29.2% of residents aged 15+ holding qualifications such as advanced diplomas (10.6%) or certificates (18.6%).

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Seven Hills contains 160 active transport stops that include both trains and buses. These stops are served by 84 distinct routes, which together account for 14,001 weekly passenger trips. Accessibility to transport is rated as excellent, with residents generally living 172 meters from the nearest stop. Because the area is mainly residential, most residents travel outward for work; car use dominates at 77%, while 15% commute by train. Each dwelling has an average of 1.3 vehicles. A large 39.8% of residents work from home (2021 Census; may reflect COVID-19 conditions).

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Health indicators are positive for Seven Hills, with mortality and general health metrics tracking close to national baselines. The prevalence of common illnesses remains standard across different age groups, while the proportion of residents with private health insurance is relatively low at 51% of the population (~10,691 people), compared to 59.9% across Greater Sydney.

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Seven Hills has a high level of cultural diversity, with 46.3% of the population born outside Australia and 47.3% using a language other than English at home. Christianity is the most common religious affiliation, representing 49.5% of residents. The most prominent religious overrepresentation is Hinduism, which is practiced by 15.8% of the population, well above the Greater Sydney average of 5.2%.

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The median age of 37 in Seven Hills matches the median for Greater Sydney and is similar to the Australian median of 38. The 75 - 84 age group has a solid presence at 6.5% of the population compared to Greater Sydney, whereas the 25 - 34 bracket is less common at 14.8%. Since 2021, the cohort aged 75 to 84 has increased from 5.0% to 6.5% of the population, while the group aged 25 to 34 has decreased from 15.5% to 14.8%. Demographic projections for 2041 point to significant changes in the age profile, led by a 123% increase (491 people) in the 85+ cohort, growing from 398 to . This aging trend is notable, with residents aged and older representing of all projected population growth. Conversely, the to and to cohorts are projected to contract.

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Seven Hills currently has an estimated 1,237 children under 5 years old, comprising approximately 755 children aged 0-2 and 503 children aged 3-4. This cohort declined by an estimated 2% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 4% by 2041 (to approximately 1,189 children). Meanwhile the 5-12 cohort currently amounts to 1,999. Birth rates in the area have averaged 11.9 per 1,000 residents over the latest two-year period, a high rate (among the top 30% of areas assessed nationally). This rate has slowed down slightly in recent years however.