14,407 ▲ +9.1%
Higher than 88% of suburb / locality areas.
- 2011: 13,203
- 2016: 13,969
- 2021: 14,407
The number of people who usually live in the area, counted on Census night.
Williamstown · Suburb / Locality
Who lives here — how many people, how old they are, and how communities identify.
Over half of the 14,407 people in Williamstown are married, making it one of the largest populations at this level. Residents here are generally older than the national figure, with a typical age of 45. This reflects a community with a significant number of adults in their middle and later years.
All suburb / locality areas, 2021. The marker is Williamstown — higher than 88% of areas.
How many people, and the typical age.
The typical person living in Williamstown is 45, which is noticeably older than the average for both Victoria and Australia by seven years.
14,407 ▲ +9.1%
Higher than 88% of suburb / locality areas.
The number of people who usually live in the area, counted on Census night.
45 yrs ▲ +9.8%
Older than 50% of suburb / locality areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
The age profile is balanced, with 18% of the population being children under 15 and 18.2% being seniors. This senior group is a little larger than the state average.
18.2% ▲ +42.3%
Lower than 53% of suburb / locality areas.
Share of the population aged 65 years and over.
18.0% ▼ -13.4%
Higher than 56% of suburb / locality areas.
Share of the population aged under 15 years.
In Williamstown, the largest group is Older adults (45–64) at 33%, followed by Young adults (25–44) (19%) and Seniors (65+) (18%).
First Nations identity and marital status.
Most people are married (52%), while those in de facto relationships make up 9.9%, which is a little below the national figure. Aboriginal and Torres Strait Islander people account for 0.7% of the population.
0.7% ▲ +68.9%
Lower than 64% of suburb / locality areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
9.9% ▲ +18.6%
Lower than 69% of suburb / locality areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Williamstown, Married is the majority at 52%; Never married is next at 32%.
Australian Bureau of Statistics. (2021). Demographics & Identity in Williamstown [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL22792/williamstown/topic/demographics-identity