Suburb profile · ABS Census 2021
South Boulder suburb profile
South Boulder, WA · Postcode 6432
This South Boulder suburb profile summarises official Australian Bureau of Statistics Census 2021 data for South Boulder, WA (postcode 6432). 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 South Boulder with nearby suburbs.
South Boulder at a glance
Population
1,506
Median rent
$300/wk
Household income
$1,848/wk
Median age
35
South Boulder 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
+2.9% over 10 years
Population
1,506
was 1,375 in 2016
+131 · +9.5%
Median rent
$300/wk
was $250/wk in 2016
+$50 · +20%
Household income
$1,848/wk
was $1,601/wk in 2016
+$247 · +15.4%
Median age
35
was 35 in 2016
0 · 0%
Dig deeper: South Boulder population growth · South Boulder then and now
South Boulder vs nearby & WA
Median Census 2021 figures for South Boulder, nearby suburbs (8), and the WA state median (suburbs with 1,000+ people).
Rent
-14.3% vs area
- South Boulder$300/wk
- Nearby$300/wk
- WA$350/wk
Household income
+0.4% vs area
- South Boulder$1,848/wk
- Nearby$2,199.5/wk
- WA$1,841/wk
Median age
-10.3% vs area
- South Boulder35
- Nearby33.5
- WA39
Personal income
+6.4% vs area
- South Boulder$909/wk
- Nearby$1,155/wk
- WA$854/wk
Nearby uses the same postcode first, then larger suburbs in WA.
Socio-economic profile
How South Boulder compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
South Boulder ranks among Australia's most disadvantaged suburbs. It shows limited economic resources and lower education and occupation levels.
Relative disadvantage (IRSD)
Decile 1899.8
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 1873.6
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 3966.9
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 1804.8
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
South Boulder on the map
OpenStreetMap outline for South Boulder, WA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
South Boulder people
- Population
- 1,506
- Median age
- 35
- Born overseas
- 14.3%
- Average household size
- 2.4
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
South Boulder income
- Median household income
- $1,848/wk
- Median personal income
- $909/wk
Median total weekly household income
Median total weekly personal income
South Boulder housing
- Median rent
- $300/wk
- Median mortgage repayment
- $1,250/mo
- Separate houses
- 79.5%
- Flats & apartments
- 0%
- Owned outright
- 23.6%
- Mortgaged
- 33.7%
- Rented
- 24.2%
- Unoccupied dwellings
- 12.7%
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
South Boulder work
- Employment to population
- 43.9%
- Unemployment rate
- 5.8%
- Year 12 or above
- 25%
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 6432)
Compare South Boulder with nearby suburbs
South Boulder in numbers
South Boulder had 1,506 residents at the 2021 Census, making it the 372nd most populous suburb or locality in WA out of 1,594. The median age is 35, 12% below the typical WA suburb. The average household has 2.4 people. 14.3% of residents were born overseas.
Among occupied homes, 23.6% own their home outright, 33.7% are paying a mortgage, 24.2% rent. Separate houses make up 79.5% of dwellings, with 0% in flats or apartments. Median rent was $300/wk, 12% below the typical WA suburb.
Median household income was $1,848/wk, 4% above the typical WA suburb. The unemployment rate on Census night was 5.8%. 25% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 1 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 9.5% (from 1,375 to 1,506). Median rent moved from $250/wk to $300/wk (+20%).
South Boulder suburb FAQs
- What is the median rent in South Boulder, WA?
- The median weekly rent in South Boulder was $300/wk at the 2021 Census (ABS).
- How many people live in South Boulder, WA?
- South Boulder had 1,506 residents at the 2021 Census, up 9.5% from 2016.
- What is the median household income in South Boulder?
- Median household income in South Boulder was $1,848/wk at the 2021 Census.
- Do most people rent or own in South Boulder?
- 24.2% of occupied homes in South Boulder were rented, 23.6% were owned outright and 33.7% were owned with a mortgage.
About this South Boulder suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching South Boulder. 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