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Victoria · Postcode 3851
Somerton Park postcode and suburb data
Victoria · Phone area code 03 · 190 km from Melbourne
Suburb snapshot
Somerton Park at a glance vs VIC
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against VIC
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.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Somerton Park vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Somerton Park | VIC avg | AU 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
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3851 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 5,811 |
| Median Age | 48 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 Size | 2.2 persons |
| Area | 2.2 km² |
| Population Density | 2597/km² |
| Total Dwellings | 2,427 |
| Australian Citizens | 92.2% |
| Indigenous Population | 56 (1.0%) |
| Unemployment Rate | 3.0% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -38.0976286 |
| Longitude | 147.0973977 |
| Distance from Melbourne | 190 km |
| Region (SA4) | Latrobe - Gippsland |
| Area (SA3) | Wellington |
| Local Government | Holdfast Bay |
| Federal Electorate | Gippsland |
| State Electorate | Gippsland South (Eastern Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 790 (13.6%) |
| 15–24 years | 738 (12.7%) |
| 25–44 years | 1,094 (18.8%) |
| 45–64 years | 1,597 (27.5%) |
| 65+ years | 1,579 (27.2%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 627 (10.8%) |
| Asthma | 516 (8.9%) |
| Heart Disease | 327 (5.6%) |
| Diabetes | 275 (4.7%) |
| Cancer | 258 (4.4%) |
| Lung Condition | 107 (1.8%) |
| Dementia | 95 (1.6%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 205 (8.6%) |
| 1 vehicle | 915 (38.3%) |
| 2 vehicles | 867 (36.3%) |
| 3+ vehicles | 399 (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.