ABS 2021 Census · Updated 31 March 2026
Williamstown is a well-established middle-ring suburb of Melbourne, Australia, with a population of approximately 14,407, making it a smaller community. Located approximately 8 km from the Melbourne CBD, Williamstown is a middle ring area in Victoria. The median household income is $125,372 AUD per year (ABS 2021 Census).
Strong household incomes in Williamstown underpin solid property demand. Its proximity to the CBD adds a strong location premium.
Map shows Williamstown, Victoria, Australia.
Official Australia Post postcode for Williamstown. A postcode may cover multiple suburbs.
Australia Post Postcode Finder →Usual resident population at census night. Source: ABS 2021 Census of Population and Housing.
ABS Census Data →Weekly median rent for occupied private dwellings. Source: ABS 2021 Census. Live rental data integration coming soon.
State Rental Authority →Annual median household income (before tax) for all households. Source: ABS 2021 Census.
ABS Census Data →Straight-line distance from the suburb centroid (ABS 2021 SAL geography) to the nearest capital city CBD. Actual driving distance will be longer.
Estimated 4 schools within or near this suburb based on ABS 2021 data.
Find schools near Williamstown on My School →Estimated 6 parks and green spaces near this suburb. Source: ABS 2021 data.
Monthly median mortgage repayment for households currently paying off a mortgage. Source: ABS 2021 Census.
ABS Census Data →Proportion of separate houses vs units, townhouses, and other dwelling types. Source: ABS 2021 Census. Relevant for investors assessing rental demand mix.
ABS Census Data →Williamstown's middle-ring location balances affordability with accessibility. These suburbs often benefit from established infrastructure, good schools, and transport links — making them attractive to families and long-term tenants. The median rent of $450/week (ABS 2021) indicates a mid-range rental market. Owner-occupiers face a median mortgage repayment of $2,700/month. A median household income of $125,372/year supports premium property values and indicates a well-employed resident base.
Williamstown's established location and strong demographics make it well-suited to a long-term buy-and-hold strategy.
Strong tenant demand in Williamstown underpins consistent rental income and low vacancy risk.
Williamstown's established market and growing population make it a viable location for value-add renovations.
Run the numbers on a Williamstown property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Williamstown enters 2026 with positive growth momentum, supported by strong local demographics and sustained demand. The rental market in Williamstown should see steady occupancy, with moderate upward pressure on rents. Confidence in Williamstown's medium-term prospects is reflected in sustained buyer interest.
Williamstown is a middle ring area in Victoria with a population of 14,407. The median rent is $450/week and the median household income is $125,372/year (ABS 2021 Census). As with any property investment, conduct thorough due diligence on current listings, vacancy rates, and local infrastructure plans before committing.
Key demand drivers in Williamstown include established amenities and transport access. 50% of dwellings are separate houses. The area has approximately 4 schools and 6 parks nearby.
According to the ABS 2021 Census, Williamstown has a population of approximately 14,407. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
Williamstown is approximately 8 km straight-line distance from the Melbourne CBD (calculated from ABS 2021 suburb centroid coordinates). This close proximity means excellent access to employment, dining, and entertainment.