Thomson Brook Postcode

Western Australia

Inner Regional
6239
Postcode for Thomson Brook, WA
Phone area code: 08 · 187 km from Perth · Pop. 89
89
Population
56
Median Age
$966
Household Income/wk
$200
Median Rent/wk
6/10
SEIFA Advantage
86.5
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 Thomson Brook ranks: household income sits in the bottom 25% of WA suburbs.

How Thomson Brook Compares

Thomson Brook vs the WA average and the national average (2021 Census, population-weighted).

MetricThomson BrookWA avgAU avg
Household income/wk $966 -WA $1,891 $1,836
Rent/wk $200 -WA $355 $390
Mortgage/month $2,200 +WA $1,890 $1,958
Median age 56 43.0 45.0
SEIFA decile 6/10 ≈WA 6.0/10 6.0/10
Unemployment 9.3% +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.

Thomson Brook is a locality 187 km from Perth in Western Australia, classified as inner regional by the ABS. The postcode is 6239. It falls within the Bunbury region. The local government area is Donnybrook-Balingup.

According to the 2021 Census, Thomson Brook has a population of 89 with a median age of 56. The median weekly household income is $966, below the WA average. The unemployment rate is 9.3%, higher than the WA average.

Housing in Thomson Brook includes a median weekly rent of $200, median monthly mortgage repayment of $2,200, with 34 total dwellings. These housing costs sit above the WA average. Owner-occupied dwellings (owned or mortgaged) make up 88.5% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Thomson Brook scores in decile 6 out of 10, which is around the national average.

Thomson Brook is part of the Manjimup statistical area in Western Australia.

Thomson Brook Details

Postcode6239
StateWestern Australia (WA)
Phone Area Code08
Population (2021)89
Median Age56 years
Median Household Income (Census 2021)$966/week
Median Personal Income (Census 2021)$684/week
Median Weekly Rent (Census 2021)$200
Median Monthly Mortgage (Census 2021)$2,200
Average Household Size2.5 persons
Area86.5 km²
Population Density1/km²
Total Dwellings34
Australian Citizens92.1%
Unemployment Rate9.3%
SEIFA IRSAD Decile6/10 (average)
Latitude-33.6296467
Longitude115.9636976
Distance from Perth187 km
Region (SA4)Bunbury
Area (SA3)Manjimup
Local GovernmentDonnybrook-Balingup
Federal ElectorateForrest

Age Profile

0–14 (18.0%) 15–24 (11.2%) 25–44 (4.5%) 45–64 (36.0%) 65+ (30.3%)
Show counts
0–14 years16 (18.0%)
15–24 years10 (11.2%)
25–44 years4 (4.5%)
45–64 years32 (36.0%)
65+ years27 (30.3%)

Housing Tenure

Owned outright (53.8%) Mortgaged (34.6%) Rented (11.5%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 6 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Heart Disease7 (7.9%)
Arthritis6 (6.7%)
Cancer4 (4.5%)
Asthma3 (3.4%)
Lung Condition3 (3.4%)

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

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle5 (15.6%)
2 vehicles10 (31.2%)
3+ vehicles17 (53.1%)

Suburbs Near Thomson Brook

Same Postcode (6239)

More Thomson Brook 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.