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Williamstown 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 Williamstown Compares
Williamstown vs the VIC average and the national average (2021 Census, population-weighted).
| Metric | Williamstown | VIC avg | AU avg | Greater Melbourne |
|---|---|---|---|---|
| Household income/wk | $2,411 +VIC | $1,817 | $1,836 | $1,943 |
| Rent/wk | $450 +VIC | $375 | $390 | $404 |
| Mortgage/month | $2,700 +VIC | $1,933 | $1,958 | $2,100 |
| Median age | 45 | 46.0 | 45.0 | 39.0 |
| SEIFA decile | 10/10 +VIC | 6.0/10 | 6.0/10 | 9.0/10 |
| Unemployment | 4.6% ≈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 3016 covers Williamstown, an inland suburb of Melbourne about 9 km from the city centre. It forms part of the Melbourne - West region of Victoria. Local government services are provided by Hobsons Bay.
According to the 2021 Census, Williamstown has a population of 14,407 with a median age of 45. The median weekly household income is $2,411, above the VIC average. The unemployment rate is 4.6%. The Indigenous population is 94 (0.7% of residents).
Housing in Williamstown includes a median weekly rent of $450, median monthly mortgage repayment of $2,700, with 5,460 total dwellings. These housing costs sit above the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 75.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Williamstown scores in decile 10 out of 10, which is well above the national average.
There are 6 schools in the Williamstown area, including Williamstown High School, Bayside P-12 College, Williamstown North Primary School and others.
Williamstown is part of the Hobsons Bay statistical area in Victoria.
Williamstown Details
| Postcode | 3016 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 14,407 |
| Median Age | 45 years |
| Median Household Income (Census 2021) | $2,411/week |
| Median Personal Income (Census 2021) | $1,106/week |
| Median Weekly Rent (Census 2021) | $450 |
| Median Monthly Mortgage (Census 2021) | $2,700 |
| Average Household Size | 2.5 persons |
| Area | 5.6 km² |
| Population Density | 2583/km² |
| Total Dwellings | 5,460 |
| Australian Citizens | 90.5% |
| Indigenous Population | 94 (0.7%) |
| Unemployment Rate | 4.6% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -37.861 |
| Longitude | 144.885 |
| Distance from Melbourne | 9 km |
| Region (SA4) | Melbourne - West |
| Area (SA3) | Hobsons Bay |
| Local Government | Hobsons Bay |
| Federal Electorate | Gellibrand |
Age Profile
Show counts
| 0–14 years | 2,592 (18.0%) |
| 15–24 years | 1,699 (11.8%) |
| 25–44 years | 2,792 (19.4%) |
| 45–64 years | 4,714 (32.7%) |
| 65+ years | 2,617 (18.2%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 1,142 (7.9%) |
| Arthritis | 1,104 (7.7%) |
| Heart Disease | 543 (3.8%) |
| Diabetes | 483 (3.4%) |
| Cancer | 443 (3.1%) |
| Lung Condition | 152 (1.1%) |
| Dementia | 73 (0.5%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 428 (7.9%) |
| 1 vehicle | 2,161 (40.0%) |
| 2 vehicles | 2,022 (37.4%) |
| 3+ vehicles | 790 (14.6%) |
Schools in Williamstown
Suburbs Near Williamstown
Same Postcode (3016)
More Williamstown 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.