Somerton Park Postcode

Victoria

CoastalOuter Regional Top 10% SEIFA
3851
Postcode for Somerton Park, VIC
Phone area code: 03 · 190 km from Melbourne · Pop. 5,811
5,811
Population
48
Median Age
$1,633
Household Income/wk
$335
Median Rent/wk
9/10
SEIFA Advantage
2.2
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 Somerton Park ranks: SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

How Somerton Park Compares

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

MetricSomerton ParkVIC avgAU avg
Household income/wk $1,633 -VIC $1,817 $1,836
Rent/wk $335 -VIC $375 $390
Mortgage/month $2,058 ≈VIC $1,933 $1,958
Median age 48 46.0 45.0
SEIFA decile 9/10 +VIC 6.0/10 6.0/10
Unemployment 3.0% -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.

Somerton Park (3851) is a coastal town in regional Victoria. It lies around 190 km from Melbourne by road. The locality is part of the Wellington statistical area. It is administered by Holdfast Bay.

According to the 2021 Census, Somerton Park has a population of 5,811 with a median age of 48. The median weekly household income is $1,633, below the VIC average. The unemployment rate is 3.0%, lower than the VIC average. The Indigenous population is 56 (1.0% of residents).

Housing in Somerton Park includes a median weekly rent of $335, median monthly mortgage repayment of $2,058, with 2,427 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 74.5% of housing.

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

Somerton Park is part of the Wellington statistical area in Victoria.

Somerton Park Details

Postcode3851
StateVictoria (VIC)
Phone Area Code03
Population (2021)5,811
Median Age48 years
Median Household Income (Census 2021)$1,633/week
Median Personal Income (Census 2021)$908/week
Median Weekly Rent (Census 2021)$335
Median Monthly Mortgage (Census 2021)$2,058
Average Household Size2.2 persons
Area2.2 km²
Population Density2597/km²
Total Dwellings2,427
Australian Citizens92.2%
Indigenous Population56 (1.0%)
Unemployment Rate3.0%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-38.0976286
Longitude147.0973977
Distance from Melbourne190 km
Region (SA4)Latrobe - Gippsland
Area (SA3)Wellington
Local GovernmentHoldfast Bay
Federal ElectorateGippsland

Age Profile

0–14 (13.6%) 15–24 (12.7%) 25–44 (18.8%) 45–64 (27.5%) 65+ (27.2%)
Show counts
0–14 years790 (13.6%)
15–24 years738 (12.7%)
25–44 years1,094 (18.8%)
45–64 years1,597 (27.5%)
65+ years1,579 (27.2%)

Housing Tenure

Owned outright (42.9%) Mortgaged (31.6%) Rented (25.5%)

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)

Arthritis627 (10.8%)
Asthma516 (8.9%)
Heart Disease327 (5.6%)
Diabetes275 (4.7%)
Cancer258 (4.4%)
Lung Condition107 (1.8%)
Dementia95 (1.6%)

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

Motor Vehicles per Dwelling

No vehicle205 (8.6%)
1 vehicle915 (38.3%)
2 vehicles867 (36.3%)
3+ vehicles399 (16.7%)

Suburbs Near Somerton Park

Same Postcode (3851)

More Somerton Park 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.