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Deer Park Postcode
Victoria
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Deer Park Compares
Deer Park vs the VIC average and the national average (2021 Census, population-weighted).
| Metric | Deer Park | VIC avg | AU avg | Greater Melbourne |
|---|---|---|---|---|
| Household income/wk | $1,456 -VIC | $1,817 | $1,836 | $1,943 |
| Rent/wk | $350 ≈VIC | $375 | $390 | $404 |
| Mortgage/month | $1,689 -VIC | $1,933 | $1,958 | $2,100 |
| Median age | 35 | 46.0 | 45.0 | 39.0 |
| SEIFA decile | 2/10 -VIC | 6.0/10 | 6.0/10 | 9.0/10 |
| Unemployment | 8.4% +VIC | 5.0% | 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 3023 covers Deer Park, an inland suburb of Melbourne about 17 km from the city centre. It forms part of the Melbourne - West region of Victoria. Local government services are provided by Brimbank.
According to the 2021 Census, Deer Park has a population of 18,145 with a median age of 35. The median weekly household income is $1,456, below the VIC average. The unemployment rate is 8.4%, higher than the VIC average. The Indigenous population is 72 (0.4% of residents).
Housing in Deer Park includes a median weekly rent of $350, median monthly mortgage repayment of $1,689, with 5,894 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 69.5% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Deer Park scores in decile 2 out of 10, which is well below the national average.
Schools in Deer Park include St Peter Chanel School, Deer Park West Primary School and Deer Park North Primary School.
Deer Park is part of the Melton - Bacchus Marsh statistical area in Victoria.
Deer Park Details
| Postcode | 3023 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 18,145 |
| Median Age | 35 years |
| Median Household Income (Census 2021) | $1,456/week |
| Median Personal Income (Census 2021) | $619/week |
| Median Weekly Rent (Census 2021) | $350 |
| Median Monthly Mortgage (Census 2021) | $1,689 |
| Average Household Size | 2.9 persons |
| Area | 8.6 km² |
| Population Density | 2116/km² |
| Total Dwellings | 5,894 |
| Australian Citizens | 73.4% |
| Indigenous Population | 72 (0.4%) |
| Unemployment Rate | 8.4% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -37.7702749 |
| Longitude | 144.7747728 |
| Distance from Melbourne | 17 km |
| Region (SA4) | Melbourne - West |
| Area (SA3) | Melton - Bacchus Marsh |
| Local Government | Brimbank |
| Federal Electorate | Gorton |
Age Profile
Show counts
| 0–14 years | 3,693 (20.4%) |
| 15–24 years | 2,063 (11.4%) |
| 25–44 years | 5,909 (32.6%) |
| 45–64 years | 3,867 (21.3%) |
| 65+ years | 2,612 (14.4%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 1,291 (7.1%) |
| Diabetes | 1,203 (6.6%) |
| Arthritis | 1,116 (6.2%) |
| Heart Disease | 536 (3.0%) |
| Cancer | 338 (1.9%) |
| Lung Condition | 192 (1.1%) |
| Dementia | 66 (0.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 329 (5.7%) |
| 1 vehicle | 2,108 (36.6%) |
| 2 vehicles | 2,221 (38.6%) |
| 3+ vehicles | 1,099 (19.1%) |
Schools in Deer Park
Suburbs Near Deer Park
Same Postcode (3023)
More Deer 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.