Piara Waters, WA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Piara Waters is more socio-economically advantaged than about 91% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1074, 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.
Piara Waters at a glance
- Population (2021)
- 15,029
- Median age
- 31
- Median weekly household income
- $2,477
- SEIFA score
- 1074
- Coordinates
- -32.1302, 115.9160
Piara Waters demographics (2021 Census)
The figures below profile Piara Waters 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 43%, 16% of homes are rented, and 51% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 4,581 | 30% |
| Youth (15–24) | 1,350 | 9% |
| Young adults (25–44) | 6,457 | 43% |
| Mid-life (45–64) | 2,120 | 14% |
| Seniors (65+) | 534 | 4% |
Share of the 15,042 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 371 | 8% |
| Owned with a mortgage | 3,434 | 75% |
| Rented | 730 | 16% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 4,530 | 99% |
| Townhouses & semis | 64 | 1% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 4,597 occupied private dwellings in Piara Waters.
- Median weekly rent
- $420
- Median monthly mortgage
- $2,054
- Average household size
- 3.2 people
- Median weekly family income
- $2,554
- Median weekly personal income
- $1,129
Community and culture
- Born overseas
- 7,524 (51%)
- Speaks a language other than English at home
- 6,883 (47%)
- Aboriginal and/or Torres Strait Islander
- 144 (1%)
Work and education
- Completed Year 12
- 7,792 (78%)
- Labour-force participation
- 80.2%
- Unemployment rate
- 4%
- Employed full-time
- 5,211
- Employed part-time
- 2,381
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 Piara Waters
Based on 2014–2023 records, the warmest month in Piara Waters is January (average daytime high around 31.8°C) and the coolest is July (around 16.7°C). The area receives roughly 738 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 31.8°C | 18.3°C | 20 mm |
| Feb | 31.4°C | 18.4°C | 24 mm |
| Mar | 28.9°C | 17.5°C | 41 mm |
| Apr | 24.4°C | 14.5°C | 47 mm |
| May | 20.3°C | 11.9°C | 86 mm |
| Jun | 17.7°C | 10.2°C | 115 mm |
| Jul | 16.7°C | 9.7°C | 143 mm |
| Aug | 17.2°C | 9.3°C | 120 mm |
| Sep | 19.1°C | 10.2°C | 65 mm |
| Oct | 21.8°C | 11.8°C | 42 mm |
| Nov | 26°C | 14.1°C | 26 mm |
| Dec | 29.9°C | 16.7°C | 9 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Piara Waters
Where is Piara Waters?
Piara Waters is a suburb of Western Australia, Australia.
What is the population of Piara Waters?
At the 2021 Census, Piara Waters had a population of about 15,029.
Is Piara Waters an advantaged area?
Piara Waters has an ABS SEIFA score of 1074, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 91 out of 100 — more socio-economically advantaged than about 91% of Australian suburbs.
What is the weather like in Piara Waters?
Piara Waters has average daytime highs of about 23.8°C and overnight lows of about 13.6°C, with roughly 738 mm of rain across the year (based on 2014–2023 climate normals).
How big is Piara Waters?
Piara Waters is one of the most populous suburbs in Western Australia — the 17th-largest by usual resident population at the 2021 Census (about 15,029 usual residents).
Where Piara Waters ranks
Piara Waters appears in these data-driven guides — each a transparent sort on a single ABS figure shown on this page.
- Largest suburbs in Western Australia#17 of 25
Nearby suburbs in Western Australia
More suburb guides in Western Australia
Other hand-written, cited guides — browse all guides.