South Lake, WA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Less advantaged than the national average
South Lake is more socio-economically advantaged than about 32% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 955, 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.
South Lake at a glance
- Population (2021)
- 5,831
- Median age
- 36
- Median weekly household income
- $1,742
- SEIFA score
- 955
- Coordinates
- -32.1072, 115.8385
South Lake demographics (2021 Census)
The figures below profile South Lake 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%, 26% of homes are rented, and 34% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 1,041 | 18% |
| Youth (15–24) | 765 | 13% |
| Young adults (25–44) | 1,758 | 30% |
| Mid-life (45–64) | 1,539 | 26% |
| Seniors (65+) | 724 | 12% |
Share of the 5,827 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 522 | 25% |
| Owned with a mortgage | 1,014 | 48% |
| Rented | 553 | 26% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 1,979 | 93% |
| Townhouses & semis | 146 | 7% |
| Flats & apartments | 8 | 0% |
Tenure and dwelling shares are of the roughly 2,133 occupied private dwellings in South Lake.
- Median weekly rent
- $350
- Median monthly mortgage
- $1,600
- Average household size
- 2.6 people
- Median weekly family income
- $2,037
- Median weekly personal income
- $795
Community and culture
- Born overseas
- 1,885 (34%)
- Speaks a language other than English at home
- 1,262 (23%)
- Aboriginal and/or Torres Strait Islander
- 233 (4%)
Work and education
- Completed Year 12
- 2,541 (55%)
- Labour-force participation
- 66.3%
- Unemployment rate
- 6%
- Employed full-time
- 1,853
- Employed part-time
- 951
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 South Lake
Based on 2014–2023 records, the warmest month in South Lake is February (average daytime high around 29.9°C) and the coolest is August (around 17.6°C). The area receives roughly 624 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29.8°C | 18.9°C | 23 mm |
| Feb | 29.9°C | 19°C | 20 mm |
| Mar | 28.2°C | 18.1°C | 40 mm |
| Apr | 24.2°C | 14.9°C | 42 mm |
| May | 20.7°C | 12°C | 78 mm |
| Jun | 18.2°C | 10.5°C | 99 mm |
| Jul | 17.2°C | 10.4°C | 112 mm |
| Aug | 17.6°C | 9.7°C | 97 mm |
| Sep | 19.1°C | 10.7°C | 47 mm |
| Oct | 21.6°C | 12.5°C | 37 mm |
| Nov | 25°C | 14.9°C | 21 mm |
| Dec | 28.1°C | 17.4°C | 8 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about South Lake
Where is South Lake?
South Lake is a suburb of Western Australia, Australia.
What is the population of South Lake?
At the 2021 Census, South Lake had a population of about 5,831.
Is South Lake an advantaged area?
South Lake has an ABS SEIFA score of 955, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 32 out of 100 — more socio-economically advantaged than about 32% of Australian suburbs.
What is the weather like in South Lake?
South Lake has average daytime highs of about 23.3°C and overnight lows of about 14.1°C, with roughly 624 mm of rain across the year (based on 2014–2023 climate normals).
Nearby suburbs in Western Australia
More suburb guides in Western Australia
Other hand-written, cited guides — browse all guides.