Colbrook Postcode

Victoria

Inner Regional Top 10% SEIFA Above VIC income
3342
Postcode for Colbrook, VIC
Phone area code: 03 · 73 km from Melbourne · Pop. 41
41
Population
45
Median Age
$2,874
Household Income/wk
$200
Median Rent/wk
9/10
SEIFA Advantage
18.8
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 Colbrook ranks: household income is in the top 10% of VIC suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

How Colbrook Compares

Colbrook vs the VIC average and the national average (2021 Census, population-weighted).

MetricColbrookVIC avgAU avg
Household income/wk $2,874 +VIC $1,817 $1,836
Rent/wk $200 -VIC $375 $390
Mortgage/month $2,680 +VIC $1,933 $1,958
Median age 45 46.0 45.0
SEIFA decile 9/10 +VIC 6.0/10 6.0/10
Unemployment 0.0% -VIC 5.0% 5.0%

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

Colbrook is a locality 73 km from Melbourne in Victoria, classified as inner regional by the ABS. The postcode is 3342. It falls within the Geelong region. The local government area is Moorabool.

According to the 2021 Census, Colbrook has a population of 41 with a median age of 45. The median weekly household income is $2,874, above the VIC average.

Housing in Colbrook includes a median weekly rent of $200, median monthly mortgage repayment of $2,680, with 16 total dwellings. These housing costs sit above the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Colbrook scores in decile 9 out of 10, which is well above the national average.

Colbrook is part of the Barwon - West statistical area in Victoria.

Colbrook Details

Postcode3342
StateVictoria (VIC)
Phone Area Code03
Population (2021)41
Median Age45 years
Median Household Income (Census 2021)$2,874/week
Median Personal Income (Census 2021)$1,125/week
Median Weekly Rent (Census 2021)$200
Median Monthly Mortgage (Census 2021)$2,680
Average Household Size2.9 persons
Area18.8 km²
Population Density2/km²
Total Dwellings16
Australian Citizens87.8%
Unemployment Rate0.0%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-37.5312432
Longitude144.2154229
Distance from Melbourne73 km
Region (SA4)Geelong
Area (SA3)Barwon - West
Local GovernmentMoorabool
Federal ElectorateBallarat

Age Profile

0–14 (26.8%) 15–24 (12.2%) 25–44 (24.4%) 45–64 (36.6%) 65+ (17.1%)
Show counts
0–14 years11 (26.8%)
15–24 years5 (12.2%)
25–44 years10 (24.4%)
45–64 years15 (36.6%)
65+ years7 (17.1%)

Housing Tenure

Owned outright (23.1%) Mortgaged (76.9%) Rented (0.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Asthma5 (12.2%)
Heart Disease5 (12.2%)
Arthritis4 (9.8%)
Cancer3 (7.3%)

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 vehicle0 (0.0%)
2 vehicles9 (47.4%)
3+ vehicles10 (52.6%)

Suburbs Near Colbrook

Same Postcode (3342)

More Colbrook 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.