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Victoria · Postcode 3235
Deans Marsh postcode and suburb data
Victoria · Phone area code 03 · 114 km from Melbourne
Suburb snapshot
Deans Marsh 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 Deans Marsh ranks: SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Deans Marsh vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Deans Marsh | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,731 ≈VIC | $1,817 | $1,836 |
| Rent/wk | $288 -VIC | $375 | $390 |
| Mortgage/month | $1,479 -VIC | $1,933 | $1,958 |
| Median age | 47 | 46.0 | 45.0 |
| SEIFA decile | 9/10 +VIC | 6.0/10 | 6.0/10 |
| Unemployment | 2.2% -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.
Deans Marsh is a locality 114 km from Melbourne in Victoria, classified as inner regional by the ABS. The postcode is 3235. It falls within the Geelong region. The local government area is Surf Coast.
According to the 2021 Census, Deans Marsh has a population of 368 with a median age of 47. The median weekly household income is $1,731, close to the VIC average. The unemployment rate is 2.2%, lower than the VIC average.
Housing in Deans Marsh includes a median weekly rent of $288, median monthly mortgage repayment of $1,479, with 125 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 89.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Deans Marsh scores in decile 9 out of 10, which is well above the national average.
Deans Marsh is served by Deans Marsh Primary School.
Deans Marsh is part of the Surf Coast - Bellarine Peninsula statistical area in Victoria.
Deans Marsh details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3235 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 368 |
| Median Age | 47 years |
| Median Household Income (Census 2021) | $1,731/week |
| Median Personal Income (Census 2021) | $832/week |
| Median Weekly Rent (Census 2021) | $288 |
| Median Monthly Mortgage (Census 2021) | $1,479 |
| Average Household Size | 2.5 persons |
| Area | 57.0 km² |
| Population Density | 6/km² |
| Total Dwellings | 125 |
| Australian Citizens | 79.6% |
| Unemployment Rate | 2.2% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -38.383333 |
| Longitude | 143.883333 |
| Distance from Melbourne | 114 km |
| Region (SA4) | Geelong |
| Area (SA3) | Surf Coast - Bellarine Peninsula |
| Local Government | Surf Coast |
| Federal Electorate | Corangamite |
| State Electorate | Polwarth (Western Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 63 (17.1%) |
| 15–24 years | 31 (8.4%) |
| 25–44 years | 71 (19.3%) |
| 45–64 years | 129 (35.1%) |
| 65+ years | 70 (19.0%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 31 (8.4%) |
| Asthma | 31 (8.4%) |
| Heart Disease | 16 (4.3%) |
| Cancer | 14 (3.8%) |
| Diabetes | 9 (2.4%) |
| Lung Condition | 7 (1.9%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 26 (22.2%) |
| 2 vehicles | 54 (46.2%) |
| 3+ vehicles | 37 (31.6%) |
Schools in Deans Marsh
ACARA 2025 school profiles for schools located in Deans Marsh. ICSEA is shown where ACARA publishes it.
Suburbs Near Deans Marsh
Same Postcode (3235)
More Deans Marsh 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.