William Bay, WA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
More advantaged than the national average
William Bay is more socio-economically advantaged than about 66% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1015, 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.
William Bay at a glance
- Population (2021)
- 164
- Median age
- 51
- Median weekly household income
- $1,104
- SEIFA score
- 1015
- Coordinates
- -34.9998, 117.1961
William Bay demographics (2021 Census)
The figures below profile William Bay 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 mid-life (45–64) at 35%, 11% of homes are rented, and 27% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 26 | 16% |
| Youth (15–24) | 13 | 8% |
| Young adults (25–44) | 26 | 16% |
| Mid-life (45–64) | 55 | 35% |
| Seniors (65+) | 39 | 25% |
Share of the 159 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 26 | 49% |
| Owned with a mortgage | 12 | 23% |
| Rented | 6 | 11% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 51 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 51 occupied private dwellings in William Bay.
- Median weekly rent
- $275
- Median monthly mortgage
- $2,192
- Average household size
- 2.6 people
- Median weekly family income
- $1,375
- Median weekly personal income
- $606
Community and culture
- Born overseas
- 37 (27%)
- Speaks a language other than English at home
- 6 (4%)
- Aboriginal and/or Torres Strait Islander
- 0 (0%)
Work and education
- Completed Year 12
- 74 (57%)
- Labour-force participation
- 50.4%
- Unemployment rate
- 6%
- Employed full-time
- 29
- Employed part-time
- 27
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.
Common questions about William Bay
Where is William Bay?
William Bay is a suburb of Western Australia, Australia.
What is the population of William Bay?
At the 2021 Census, William Bay had a population of about 164.
Is William Bay an advantaged area?
William Bay has an ABS SEIFA score of 1015, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 66 out of 100 — more socio-economically advantaged than about 66% of Australian suburbs.
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