Koondoola, WA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's less advantaged suburbs
Koondoola is more socio-economically advantaged than about 3% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 821, 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.
Koondoola at a glance
- Population (2021)
- 3,919
- Median age
- 35
- Median weekly household income
- $1,185
- SEIFA score
- 821
- Coordinates
- -31.8415, 115.8661
Koondoola demographics (2021 Census)
The figures below profile Koondoola 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 26%, 34% of homes are rented, and 51% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 810 | 21% |
| Youth (15–24) | 608 | 16% |
| Young adults (25–44) | 1,017 | 26% |
| Mid-life (45–64) | 869 | 22% |
| Seniors (65+) | 602 | 15% |
Share of the 3,906 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 346 | 26% |
| Owned with a mortgage | 466 | 36% |
| Rented | 448 | 34% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 1,122 | 86% |
| Townhouses & semis | 182 | 14% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 1,304 occupied private dwellings in Koondoola.
- Median weekly rent
- $285
- Median monthly mortgage
- $1,387
- Average household size
- 2.8 people
- Median weekly family income
- $1,292
- Median weekly personal income
- $483
Community and culture
- Born overseas
- 1,864 (51%)
- Speaks a language other than English at home
- 1,818 (50%)
- Aboriginal and/or Torres Strait Islander
- 204 (5%)
Work and education
- Completed Year 12
- 1,325 (45%)
- Labour-force participation
- 51%
- Unemployment rate
- 10.1%
- Employed full-time
- 795
- Employed part-time
- 548
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 Koondoola
Based on 2014–2023 records, the warmest month in Koondoola is February (average daytime high around 29.5°C) and the coolest is August (around 17.7°C). The area receives roughly 614 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29.4°C | 19.4°C | 24 mm |
| Feb | 29.5°C | 19.6°C | 19 mm |
| Mar | 27.8°C | 18.7°C | 39 mm |
| Apr | 24.1°C | 15.7°C | 39 mm |
| May | 20.7°C | 12.8°C | 73 mm |
| Jun | 18.3°C | 11.4°C | 98 mm |
| Jul | 17.4°C | 11.2°C | 113 mm |
| Aug | 17.7°C | 10.5°C | 97 mm |
| Sep | 19.1°C | 11.5°C | 47 mm |
| Oct | 21.6°C | 13.3°C | 38 mm |
| Nov | 24.8°C | 15.6°C | 19 mm |
| Dec | 27.7°C | 18°C | 8 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Koondoola
Where is Koondoola?
Koondoola is a suburb of Western Australia, Australia.
What is the population of Koondoola?
At the 2021 Census, Koondoola had a population of about 3,919.
Is Koondoola an advantaged area?
Koondoola has an ABS SEIFA score of 821, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 3 out of 100 — more socio-economically advantaged than about 3% of Australian suburbs.
What is the weather like in Koondoola?
Koondoola has average daytime highs of about 23.2°C and overnight lows of about 14.8°C, with roughly 614 mm of rain across the year (based on 2014–2023 climate normals).
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