Gregory Hills (NSW)

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Based on evaluation of ABS population updates for the wider region and new addresses validated by Districts since the Census, the suburb of Gregory Hills has a population estimated at approximately 11,679 as of May 2026. This represents a growth of 2,537 people (27.8%) from the 2021 Census, which reported a population of 9,142 individuals. The change is calculated from the resident population of 11,501, estimated by Districts after examining the latest ERP data release from the ABS (June 2025) along with an additional 646 validated new addresses since the Census date. This population level translates to a density ratio of 2,506 persons per square kilometer, placing the area in the upper quartile compared to national locations assessed by Districts. The growth of 27.8% since the 2021 census in the suburb of Gregory Hills outpaced the state (7.1%) and Greater Sydney, making it a regional growth leader. Population gains for the area were mostly driven by interstate migration, which accounted for approximately of overall population gains during recent times, though all drivers, including natural growth and overseas migration, remained positive factors.

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Gregory Hills features a well-educated labor force with strong representation in essential services sectors, an unemployment rate of only 1.6%, and an estimated 0.9% employment growth over the past year, according to Districts aggregations of statistical area data. As of March 2026, 6,677 residents are employed, and the unemployment rate is 2.5% lower than the Greater Sydney rate of 4.1%, while workforce participation is significantly above standard levels (81.7% compared to 69.1% in Greater Sydney). Census responses show that a high 35.1% of residents worked from home, though the influence of Covid-19 lockdown measures should be taken into account.

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Based on Districts' aggregation of the latest postcode level ATO data released for financial year 2023, taxpayers in the suburb of Gregory Hills had a median income of $59,942 and an average income of $68,613. This sits slightly above the national average and compares to levels of $60,817 and $83,003 across Greater Sydney respectively. Factoring in Wage Price Index growth of 10.32% since financial year 2023, current estimates would stand at approximately $66,128 (median) and $75,694 (average) as of March 2026. From the 2021 Census, household, family, and personal incomes in Gregory Hills all rank highly, placing between the 85th and 88th percentiles nationally. Income analysis indicates that the $1,500 - 2,999 weekly earnings band contains 44.4% of the community ( individuals), mirroring the region where occupy this bracket. The district shows notable affluence, with earning over per week, which supports premium retail and service businesses. High housing costs absorb of income, although strong earnings still place disposable income at the th percentile, and the area's SEIFA income ranking is in the th decile.

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Dwelling structures in Gregory Hills, as recorded at the latest Census, consisted of 96.4% houses and 3.6% other dwellings (semi-detached, apartments, and alternative housing types), compared to the Sydney metro profile of 55.9% houses and 44.1% other dwellings. Meanwhile, the home ownership rate in Gregory Hills was lower than the Sydney metro rate, standing at 7.9%, with the remaining dwellings either mortgaged (60.0%) or rented (32.1%). The median monthly mortgage repayment in the area was higher than the Sydney metro average at $2,554, while the median weekly rent was recorded at $520, compared to Sydney metro figures of $2,427 and $470. Nationally, mortgage repayments in Gregory Hills are considerably higher than the Australian average of $1,863, while rent values are substantially above the national figure of $375.

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Family households make up the majority at 86.4% of all households, consisting of 51.5% couples with children, 22.6% couples without children, and 11.6% single parent families. Non-family households comprise the remaining 13.6%, with lone person households at 11.5% and group households representing 1.9% of the total. The median household size of 3.2 people is larger than the Greater Sydney average of 2.7.

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Educational qualifications in Gregory Hills are below regional averages, with 29.1% of residents aged 15+ holding university degrees compared to 38.0% in Greater Sydney. This difference indicates potential for educational development and skills training. Bachelor degrees are the most common at 19.9%, followed by postgraduate qualifications (7.1%) and graduate diplomas (2.1%). Vocational skills are highly represented, with 36.6% of residents aged 15+ holding trade credentials, consisting of advanced diplomas (13.2%) and certificates (23.4%).

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Public transport analysis shows 34 active transport stops operating within Gregory Hills, consisting of a mix of buses. These stops are serviced by 61 individual routes, which combined provide 1,413 weekly passenger journeys. Transport accessibility is classified as good, with residents typically located 294 meters from the nearest stop. As a primarily residential area, most residents commute out of the suburb, with cars remaining the dominant transport mode at 90%, and 6% using the train. Vehicle ownership averages 1.7 per dwelling, which is above the regional average. A high 35.1% of residents work from home (2021 Census; may reflect COVID-19 conditions).

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Gregory Hills shows positive health profiles overall, based on Districts' evaluation of mortality rates and chronic condition prevalence, with common health conditions occurring at low rates among the general population, although higher than the national average among older, at-risk groups. Additionally, the private health insurance rate is relatively high, covering approximately 54% of the population (~6,313 people). This compares to 59.9% across Greater Sydney.

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Gregory Hills has a relatively high level of cultural diversity, with 33.0% of the population born overseas and 38.3% speaking a language other than English at home. The predominant religion in Gregory Hills is Christianity, representing 57.5% of residents. However, the most notable overrepresentation is Islam, which accounts for 8.6% of the population, compared to 6.8% across Greater Sydney.

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At 31 years, the median age in Gregory Hills is well below the Greater Sydney average of 37 and is lower than the Australian median of 38. Compared to Greater Sydney, the suburb of Gregory Hills has a higher concentration of residents aged 5 - 14 (17.3%) but fewer people aged 65 - 74 (4.0%). This 5 - 14 concentration is well above the national level of 12.0%. Since 2021, the 5 to 14 age group has grown from 15.4% to 17.3% of the population, and the 15 to 24 cohort increased from 10.4% to 12.1%. Conversely, the to cohort has decreased from to and the to group declined from to . Demographic modeling indicates that the age profile of the suburb of Gregory Hills will change significantly by . The to age cohort is projected to grow substantially, increasing by people () from to . Conversely, the to cohort is projected to decrease by people.

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Gregory Hills currently has an estimated 1,226 children under 5 years old, comprising approximately 698 children aged 0-2 and 464 children aged 3-4. This cohort grew by an estimated 2% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 1% by 2041 (to approximately 1,241 children). Meanwhile the 5-12 cohort currently amounts to 1,623. Recent growth has been driven by high birth rates observed in the area, with approximately 21.4 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.