Suburb profile · ABS Census 2021
William Bay suburb profile
William Bay, WA · Postcode 6333
This William Bay suburb profile summarises official Australian Bureau of Statistics Census 2021 data for William Bay, WA (postcode 6333). Use it as a free suburb report covering population, median rent, household income, age, housing tenure and employment, plus how those figures changed since Census 2016— then compare William Bay with nearby suburbs.
William Bay at a glance
Population
164
Median rent
$275/wk
Household income
$1,104/wk
Median age
51
William Bay trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
Census 2011 → 2016 → 2021
+23.3% over 10 years
Population
164
was 140 in 2016
+24 · +17.1%
Household income
$1,104/wk
was $1,199/wk in 2016
$95 · -7.9%
Median age
51
was 53 in 2016
-2 · -3.8%
Dig deeper: William Bay population growth · William Bay then and now
William Bay vs nearby & WA
Median Census 2021 figures for William Bay, nearby suburbs (8), and the WA state median (suburbs with 1,000+ people).
Rent
-21.4% vs area
- William Bay$275/wk
- Nearby$315/wk
- WA$350/wk
Household income
-40% vs area
- William Bay$1,104/wk
- Nearby$1,365/wk
- WA$1,841/wk
Median age
+30.8% vs area
- William Bay51
- Nearby48.5
- WA39
Personal income
-29% vs area
- William Bay$606/wk
- Nearby$702/wk
- WA$854/wk
Nearby uses the same postcode first, then larger suburbs in WA.
Socio-economic profile
How William Bay compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
William Bay sits above average for socio-economic advantage compared with suburbs Australia-wide.
Relative disadvantage (IRSD)
Decile 61,030.9
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 71,014.7
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 71,043.6
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 81,034.3
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
William Bay on the map
OpenStreetMap outline for William Bay, WA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
William Bay people
- Population
- 164
- Median age
- 51
- Born overseas
- 22.6%
- Average household size
- 2.6
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
William Bay income
- Median household income
- $1,104/wk
- Median personal income
- $606/wk
Median total weekly household income
Median total weekly personal income
William Bay housing
- Median rent
- $275/wk
- Median mortgage repayment
- $2,192/mo
- Separate houses
- 75%
- Flats & apartments
- 0%
- Owned outright
- 38.2%
- Mortgaged
- 17.6%
- Rented
- 8.8%
- Unoccupied dwellings
- 29.4%
Median weekly rent for rented dwellings
Median monthly mortgage repayment
Percentage of dwellings that are separate houses
Percentage of dwellings that are flats or apartments
Percentage of dwellings owned without a mortgage
Percentage of dwellings with a mortgage
Percentage of dwellings rented
Percentage of private dwellings unoccupied on Census night
William Bay work
- Employment to population
- 47.4%
- Unemployment rate
- 6.3%
- Year 12 or above
- 56.9%
Employed persons as a percentage of population aged 15+
Unemployed persons as a percentage of the labour force
Percentage with Year 12 or equivalent as highest school level
Nearby suburb profiles (near 6333)
Compare William Bay with nearby suburbs
William Bay in numbers
William Bay had 164 residents at the 2021 Census. The median age is 51, 28% above the typical WA suburb. The average household has 2.6 people. 22.6% of residents were born overseas.
Among occupied homes, 38.2% own their home outright, 17.6% are paying a mortgage, 8.8% rent. Separate houses make up 75% of dwellings, with 0% in flats or apartments. Median rent was $275/wk, 19% below the typical WA suburb.
Median household income was $1,104/wk, 38% below the typical WA suburb. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 6 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 17.1% (from 140 to 164).
William Bay suburb FAQs
- What is the median rent in William Bay, WA?
- The median weekly rent in William Bay was $275/wk at the 2021 Census (ABS).
- How many people live in William Bay, WA?
- William Bay had 164 residents at the 2021 Census, up 17.1% from 2016.
- What is the median household income in William Bay?
- Median household income in William Bay was $1,104/wk at the 2021 Census.
- Do most people rent or own in William Bay?
- 8.8% of occupied homes in William Bay were rented, 38.2% were owned outright and 17.6% were owned with a mortgage.
About this William Bay suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching William Bay. Where shown, 2016 values come from the 2016 State Suburbs (SSC) profile, linked via ABS geographic correspondence — boundaries are not always identical. Medians may be suppressed for very small areas. This is not financial or relocation advice — use it alongside current market data.
Source: ABS Census 2021. Methodology