Gregory Hills, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Gregory Hills is more socio-economically advantaged than about 88% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1065, where about 1000 is the national average).
A socio-economic measure from ABS Census data — not a measure of how good a suburb is to live in or visit. How we calculate this.
Gregory Hills at a glance
- Population (2021)
- 9,142
- Median age
- 30
- Median weekly household income
- $2,406
- SEIFA score
- 1065
- Coordinates
- -34.0318, 150.7766
Gregory Hills demographics (2021 Census)
The figures below profile Gregory Hills using the Australian Bureau of Statistics 2021 Census; every percentage is a share of a clearly stated Census count, so each one traces back to the source. At a glance, the largest age group is young adults (25–44) at 42%, 32% of homes are rented, and 33% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 2,604 | 28% |
| Youth (15–24) | 955 | 10% |
| Young adults (25–44) | 3,841 | 42% |
| Mid-life (45–64) | 1,332 | 15% |
| Seniors (65+) | 411 | 4% |
Share of the 9,143 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 223 | 8% |
| Owned with a mortgage | 1,648 | 59% |
| Rented | 882 | 32% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 2,700 | 96% |
| Townhouses & semis | 77 | 3% |
| Flats & apartments | 24 | 1% |
Tenure and dwelling shares are of the roughly 2,801 occupied private dwellings in Gregory Hills.
- Median weekly rent
- $520
- Median monthly mortgage
- $2,554
- Average household size
- 3.2 people
- Median weekly family income
- $2,471
- Median weekly personal income
- $1,082
Community and culture
- Born overseas
- 2,930 (33%)
- Speaks a language other than English at home
- 3,362 (38%)
- Aboriginal and/or Torres Strait Islander
- 181 (2%)
Work and education
- Completed Year 12
- 4,224 (67%)
- Labour-force participation
- 73%
- Unemployment rate
- 3.3%
- Employed full-time
- 2,884
- Employed part-time
- 1,169
Source: ABS Census of Population and Housing, 2021 (General Community Profile, by Suburb and Locality). © Australian Bureau of Statistics, released under CC BY 4.0. How we group bands and derive each share is set out on our methodology page.
Weather and climate in Gregory Hills
Based on 2014–2023 records, the warmest month in Gregory Hills is January (average daytime high around 29°C) and the coolest is July (around 16.9°C). The area receives roughly 777 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29°C | 18.5°C | 75 mm |
| Feb | 27.6°C | 18°C | 83 mm |
| Mar | 25.7°C | 16.8°C | 128 mm |
| Apr | 23.1°C | 13.2°C | 65 mm |
| May | 19.8°C | 9.6°C | 34 mm |
| Jun | 16.9°C | 7.5°C | 48 mm |
| Jul | 16.9°C | 6.2°C | 53 mm |
| Aug | 18°C | 6.8°C | 49 mm |
| Sep | 21.2°C | 9°C | 34 mm |
| Oct | 24°C | 12.1°C | 72 mm |
| Nov | 25.7°C | 14.3°C | 67 mm |
| Dec | 28°C | 16.7°C | 69 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Gregory Hills
Where is Gregory Hills?
Gregory Hills is a suburb of New South Wales, Australia.
What is the population of Gregory Hills?
At the 2021 Census, Gregory Hills had a population of about 9,142.
Is Gregory Hills an advantaged area?
Gregory Hills has an ABS SEIFA score of 1065, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 88 out of 100 — more socio-economically advantaged than about 88% of Australian suburbs.
What is the weather like in Gregory Hills?
Gregory Hills has average daytime highs of about 23°C and overnight lows of about 12.4°C, with roughly 777 mm of rain across the year (based on 2014–2023 climate normals).
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