Southern River, WA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Southern River is more socio-economically advantaged than about 84% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1051, 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.
Southern River at a glance
- Population (2021)
- 12,852
- Median age
- 33
- Median weekly household income
- $2,364
- SEIFA score
- 1051
- Coordinates
- -32.1070, 115.9566
Southern River demographics (2021 Census)
The figures below profile Southern River 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 31%, 17% of homes are rented, and 49% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 3,238 | 25% |
| Youth (15–24) | 1,834 | 14% |
| Young adults (25–44) | 3,968 | 31% |
| Mid-life (45–64) | 2,889 | 22% |
| Seniors (65+) | 914 | 7% |
Share of the 12,843 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 756 | 20% |
| Owned with a mortgage | 2,391 | 62% |
| Rented | 642 | 17% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 3,753 | 97% |
| Townhouses & semis | 94 | 2% |
| Flats & apartments | 10 | 0% |
Tenure and dwelling shares are of the roughly 3,862 occupied private dwellings in Southern River.
- Median weekly rent
- $420
- Median monthly mortgage
- $2,100
- Average household size
- 3.3 people
- Median weekly family income
- $2,471
- Median weekly personal income
- $910
Community and culture
- Born overseas
- 6,147 (49%)
- Speaks a language other than English at home
- 5,153 (42%)
- Aboriginal and/or Torres Strait Islander
- 122 (1%)
Work and education
- Completed Year 12
- 6,224 (69%)
- Labour-force participation
- 72.9%
- Unemployment rate
- 5.1%
- Employed full-time
- 4,111
- Employed part-time
- 2,214
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 Southern River
Based on 2014–2023 records, the warmest month in Southern River is January (average daytime high around 31.2°C) and the coolest is July (around 15.5°C). The area receives roughly 739 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 31.2°C | 17.4°C | 23 mm |
| Feb | 30.6°C | 17.5°C | 24 mm |
| Mar | 27.8°C | 16.5°C | 43 mm |
| Apr | 23.3°C | 13.6°C | 45 mm |
| May | 19.2°C | 10.8°C | 81 mm |
| Jun | 16.5°C | 9.2°C | 103 mm |
| Jul | 15.5°C | 8.7°C | 140 mm |
| Aug | 16.2°C | 8.3°C | 122 mm |
| Sep | 18.2°C | 9.2°C | 69 mm |
| Oct | 21.3°C | 10.9°C | 49 mm |
| Nov | 25.5°C | 13.3°C | 30 mm |
| Dec | 29.4°C | 15.8°C | 10 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Southern River
Where is Southern River?
Southern River is a suburb of Western Australia, Australia.
What is the population of Southern River?
At the 2021 Census, Southern River had a population of about 12,852.
Is Southern River an advantaged area?
Southern River has an ABS SEIFA score of 1051, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 84 out of 100 — more socio-economically advantaged than about 84% of Australian suburbs.
What is the weather like in Southern River?
Southern River has average daytime highs of about 22.9°C and overnight lows of about 12.6°C, with roughly 739 mm of rain across the year (based on 2014–2023 climate normals).
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