South Boulder Postcode

Western Australia

Very Remote Bottom 20% SEIFA
6432
Postcode for South Boulder, WA
Phone area code: 08 · 550 km from Perth · Pop. 1,506
1,506
Population
35
Median Age
$1,848
Household Income/wk
$300
Median Rent/wk
1/10
SEIFA Advantage
7.8
Area (km²)

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Where South Boulder ranks: SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.

How South Boulder Compares

South Boulder vs the WA average and the national average (2021 Census, population-weighted).

MetricSouth BoulderWA avgAU avg
Household income/wk $1,848 ≈WA $1,891 $1,836
Rent/wk $300 -WA $355 $390
Mortgage/month $1,250 -WA $1,890 $1,958
Median age 35 43.0 45.0
SEIFA decile 1/10 -WA 6.0/10 6.0/10
Unemployment 5.8% +WA 5.0% 5.0%

Green pill = at least 10% above the WA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.

South Boulder is a very remote community in Western Australia, with postcode 6432. It lies roughly 550 km from Perth, classified by the ABS as very remote Australia. The area is administered by Kalgoorlie-Boulder.

According to the 2021 Census, South Boulder has a population of 1,506 with a median age of 35. The median weekly household income is $1,848, close to the WA average. The unemployment rate is 5.8%, higher than the WA average. The Indigenous population is 333 (22.1% of residents).

Housing in South Boulder includes a median weekly rent of $300, median monthly mortgage repayment of $1,250, with 421 total dwellings. Housing costs in the area sit below the WA average. Owner-occupied dwellings (owned or mortgaged) make up 70.3% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, South Boulder scores in decile 1 out of 10, which is well below the national average.

South Boulder is part of the Goldfields statistical area in Western Australia.

South Boulder Details

Postcode6432
StateWestern Australia (WA)
Phone Area Code08
Population (2021)1,506
Median Age35 years
Median Household Income (Census 2021)$1,848/week
Median Personal Income (Census 2021)$909/week
Median Weekly Rent (Census 2021)$300
Median Monthly Mortgage (Census 2021)$1,250
Average Household Size2.4 persons
Area7.8 km²
Population Density192/km²
Total Dwellings421
Australian Citizens58.0%
Indigenous Population333 (22.1%)
Unemployment Rate5.8%
SEIFA IRSAD Decile1/10 (well below average)
Latitude-30.7916935
Longitude121.4956213
Distance from Perth550 km
Region (SA4)Western Australia - Outback (South)
Area (SA3)Goldfields
Local GovernmentKalgoorlie-Boulder
Federal ElectorateO'Connor

Age Profile

0–14 (16.6%) 15–24 (14.7%) 25–44 (31.3%) 45–64 (28.6%) 65+ (8.5%)
Show counts
0–14 years250 (16.6%)
15–24 years221 (14.7%)
25–44 years471 (31.3%)
45–64 years431 (28.6%)
65+ years128 (8.5%)

Housing Tenure

Owned outright (29.0%) Mortgaged (41.3%) Rented (29.7%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 1 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Asthma101 (6.7%)
Arthritis87 (5.8%)
Diabetes66 (4.4%)
Heart Disease45 (3.0%)
Lung Condition21 (1.4%)
Cancer21 (1.4%)
Dementia3 (0.2%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle17 (4.2%)
1 vehicle141 (34.5%)
2 vehicles148 (36.2%)
3+ vehicles103 (25.2%)

Suburbs Near South Boulder

Same Postcode (6432)

More South Boulder Data

Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.