Gepps Cross, SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's less advantaged suburbs
Gepps Cross is more socio-economically advantaged than about 14% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 907, 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.
Gepps Cross at a glance
- Population (2021)
- 648
- Median age
- 41
- Median weekly household income
- $1,375
- SEIFA score
- 907
- Coordinates
- -34.8414, 138.6065
Gepps Cross demographics (2021 Census)
The figures below profile Gepps Cross 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 30%, 28% of homes are rented, and 45% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 102 | 16% |
| Youth (15–24) | 68 | 10% |
| Young adults (25–44) | 193 | 30% |
| Mid-life (45–64) | 156 | 24% |
| Seniors (65+) | 130 | 20% |
Share of the 649 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 97 | 42% |
| Owned with a mortgage | 69 | 30% |
| Rented | 65 | 28% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 220 | 95% |
| Townhouses & semis | 12 | 5% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 232 occupied private dwellings in Gepps Cross.
- Median weekly rent
- $321
- Median monthly mortgage
- $1,520
- Average household size
- 2.7 people
- Median weekly family income
- $1,456
- Median weekly personal income
- $630
Community and culture
- Born overseas
- 277 (45%)
- Speaks a language other than English at home
- 314 (51%)
- Aboriginal and/or Torres Strait Islander
- 14 (2%)
Work and education
- Completed Year 12
- 283 (53%)
- Labour-force participation
- 56.6%
- Unemployment rate
- 6.5%
- Employed full-time
- 156
- Employed part-time
- 124
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 Gepps Cross
Based on 2014–2023 records, the warmest month in Gepps Cross is January (average daytime high around 28.7°C) and the coolest is July (around 14.6°C). The area receives roughly 542 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 28.7°C | 17.4°C | 32 mm |
| Feb | 27.6°C | 17°C | 23 mm |
| Mar | 25.6°C | 15.8°C | 18 mm |
| Apr | 22.4°C | 13.5°C | 48 mm |
| May | 18.1°C | 11°C | 63 mm |
| Jun | 15.4°C | 8.8°C | 67 mm |
| Jul | 14.6°C | 8°C | 64 mm |
| Aug | 15.3°C | 8.1°C | 69 mm |
| Sep | 17.9°C | 9.6°C | 49 mm |
| Oct | 21.6°C | 11.7°C | 42 mm |
| Nov | 23.9°C | 13.4°C | 41 mm |
| Dec | 26.7°C | 15.4°C | 26 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Gepps Cross
Where is Gepps Cross?
Gepps Cross is a suburb of South Australia, Australia.
What is the population of Gepps Cross?
At the 2021 Census, Gepps Cross had a population of about 648.
Is Gepps Cross an advantaged area?
Gepps Cross has an ABS SEIFA score of 907, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 14 out of 100 — more socio-economically advantaged than about 14% of Australian suburbs.
What is the weather like in Gepps Cross?
Gepps Cross has average daytime highs of about 21.5°C and overnight lows of about 12.5°C, with roughly 542 mm of rain across the year (based on 2014–2023 climate normals).
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