Gilles Plains, SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Less advantaged than the national average
Gilles Plains is more socio-economically advantaged than about 27% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 944, 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.
Gilles Plains at a glance
- Population (2021)
- 4,101
- Median age
- 36
- Median weekly household income
- $1,446
- SEIFA score
- 944
- Coordinates
- -34.8516, 138.6585
Gilles Plains demographics (2021 Census)
The figures below profile Gilles Plains 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 33%, 40% of homes are rented, and 44% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 772 | 19% |
| Youth (15–24) | 482 | 12% |
| Young adults (25–44) | 1,358 | 33% |
| Mid-life (45–64) | 891 | 22% |
| Seniors (65+) | 593 | 14% |
Share of the 4,096 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 313 | 21% |
| Owned with a mortgage | 558 | 37% |
| Rented | 608 | 40% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 1,172 | 78% |
| Townhouses & semis | 138 | 9% |
| Flats & apartments | 201 | 13% |
Tenure and dwelling shares are of the roughly 1,511 occupied private dwellings in Gilles Plains.
- Median weekly rent
- $295
- Median monthly mortgage
- $1,536
- Average household size
- 2.6 people
- Median weekly family income
- $1,786
- Median weekly personal income
- $678
Community and culture
- Born overseas
- 1,724 (44%)
- Speaks a language other than English at home
- 1,762 (45%)
- Aboriginal and/or Torres Strait Islander
- 85 (2%)
Work and education
- Completed Year 12
- 1,923 (60%)
- Labour-force participation
- 60%
- Unemployment rate
- 6.6%
- Employed full-time
- 1,079
- Employed part-time
- 690
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 Gilles Plains
Based on 2014–2023 records, the warmest month in Gilles Plains is January (average daytime high around 28.9°C) and the coolest is July (around 13°C). The area receives roughly 850 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 28.9°C | 16.1°C | 31 mm |
| Feb | 27.5°C | 15.4°C | 28 mm |
| Mar | 25.2°C | 14.3°C | 23 mm |
| Apr | 21.2°C | 12°C | 55 mm |
| May | 16.4°C | 9.4°C | 90 mm |
| Jun | 13.7°C | 7.3°C | 112 mm |
| Jul | 13°C | 6.4°C | 132 mm |
| Aug | 13.8°C | 6.6°C | 141 mm |
| Sep | 16.6°C | 8°C | 87 mm |
| Oct | 20.6°C | 10.1°C | 63 mm |
| Nov | 23°C | 11.7°C | 58 mm |
| Dec | 26.5°C | 13.9°C | 30 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Gilles Plains
Where is Gilles Plains?
Gilles Plains is a suburb of South Australia, Australia.
What is the population of Gilles Plains?
At the 2021 Census, Gilles Plains had a population of about 4,101.
Is Gilles Plains an advantaged area?
Gilles Plains has an ABS SEIFA score of 944, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 27 out of 100 — more socio-economically advantaged than about 27% of Australian suburbs.
What is the weather like in Gilles Plains?
Gilles Plains has average daytime highs of about 20.5°C and overnight lows of about 10.9°C, with roughly 850 mm of rain across the year (based on 2014–2023 climate normals).
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