Deer Park Postcode

Victoria

Metro Bottom 20% SEIFA
3023
Postcode for Deer Park, VIC
Phone area code: 03 · 17 km from Melbourne · Pop. 18,145
18,145
Population
35
Median Age
$1,456
Household Income/wk
$350
Median Rent/wk
2/10
SEIFA Advantage
8.6
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 Deer Park ranks: SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.

How Deer Park Compares

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

MetricDeer ParkVIC avgAU avgGreater 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

Postcode3023
StateVictoria (VIC)
Phone Area Code03
Population (2021)18,145
Median Age35 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 Size2.9 persons
Area8.6 km²
Population Density2116/km²
Total Dwellings5,894
Australian Citizens73.4%
Indigenous Population72 (0.4%)
Unemployment Rate8.4%
SEIFA IRSAD Decile2/10 (well below average)
Latitude-37.7702749
Longitude144.7747728
Distance from Melbourne17 km
Region (SA4)Melbourne - West
Area (SA3)Melton - Bacchus Marsh
Local GovernmentBrimbank
Federal ElectorateGorton

Age Profile

0–14 (20.4%) 15–24 (11.4%) 25–44 (32.6%) 45–64 (21.3%) 65+ (14.4%)
Show counts
0–14 years3,693 (20.4%)
15–24 years2,063 (11.4%)
25–44 years5,909 (32.6%)
45–64 years3,867 (21.3%)
65+ years2,612 (14.4%)

Housing Tenure

Owned outright (32.0%) Mortgaged (37.5%) Rented (30.5%)

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)

Asthma1,291 (7.1%)
Diabetes1,203 (6.6%)
Arthritis1,116 (6.2%)
Heart Disease536 (3.0%)
Cancer338 (1.9%)
Lung Condition192 (1.1%)
Dementia66 (0.4%)

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

Motor Vehicles per Dwelling

No vehicle329 (5.7%)
1 vehicle2,108 (36.6%)
2 vehicles2,221 (38.6%)
3+ vehicles1,099 (19.1%)

Schools in Deer Park

St Peter Chanel School
Primary · Cat · ICSEA 1012 · 506 students
Deer Park West Primary School
Primary · Gov · ICSEA 989 · 389 students
Deer Park North Primary School
Primary · Gov · ICSEA 942 · 307 students

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.