Officer South Postcode

Victoria

Metro Top 10% SEIFA Above VIC income
3809
Postcode for Officer South, VIC
Phone area code: 03 · 51 km from Melbourne · Pop. 1,159
1,159
Population
31
Median Age
$2,085
Household Income/wk
$393
Median Rent/wk
9/10
SEIFA Advantage
20.0
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 Officer South ranks: household income is in the top 25% of VIC suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

How Officer South Compares

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

MetricOfficer SouthVIC avgAU avg
Household income/wk $2,085 +VIC $1,817 $1,836
Rent/wk $393 ≈VIC $375 $390
Mortgage/month $2,200 +VIC $1,933 $1,958
Median age 31 46.0 45.0
SEIFA decile 9/10 +VIC 6.0/10 6.0/10
Unemployment 2.3% -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.

Postcode 3809 covers Officer South, an inland suburb of Melbourne about 51 km from the city centre. It forms part of the Melbourne - South East region of Victoria. Local government services are provided by Cardinia.

According to the 2021 Census, Officer South has a population of 1,159 with a median age of 31. The median weekly household income is $2,085, above the VIC average. The unemployment rate is 2.3%, lower than the VIC average. The Indigenous population is 4 (0.3% of residents).

Housing in Officer South includes a median weekly rent of $393, median monthly mortgage repayment of $2,200, with 454 total dwellings. These housing costs sit above the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 92.9% of housing.

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

Officer South is part of the Cardinia statistical area in Victoria.

Officer South Details

Postcode3809
StateVictoria (VIC)
Phone Area Code03
Population (2021)1,159
Median Age31 years
Median Household Income (Census 2021)$2,085/week
Median Personal Income (Census 2021)$1,017/week
Median Weekly Rent (Census 2021)$393
Median Monthly Mortgage (Census 2021)$2,200
Average Household Size2.5 persons
Area20.0 km²
Population Density58/km²
Total Dwellings454
Australian Citizens88.2%
Indigenous Population4 (0.3%)
Unemployment Rate2.3%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-38.1003957
Longitude145.4132472
Distance from Melbourne51 km
Region (SA4)Melbourne - South East
Area (SA3)Cardinia
Local GovernmentCardinia
Federal ElectorateLa Trobe

Age Profile

0–14 (22.6%) 15–24 (7.2%) 25–44 (42.0%) 45–64 (11.8%) 65+ (16.5%)
Show counts
0–14 years262 (22.6%)
15–24 years84 (7.2%)
25–44 years487 (42.0%)
45–64 years137 (11.8%)
65+ years191 (16.5%)

Housing Tenure

Owned outright (29.6%) Mortgaged (63.4%) Rented (7.1%)

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)

Arthritis97 (8.4%)
Asthma80 (6.9%)
Diabetes48 (4.1%)
Heart Disease35 (3.0%)
Cancer19 (1.6%)
Lung Condition11 (0.9%)
Dementia5 (0.4%)

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

Motor Vehicles per Dwelling

No vehicle3 (0.7%)
1 vehicle168 (37.8%)
2 vehicles211 (47.4%)
3+ vehicles63 (14.2%)

Suburbs Near Officer South

Same Postcode (3809)

More Officer South 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.