2,238 ▲ +6.9%
Higher than 73% of urban centre areas.
- 2011: 2,094
- 2021: 2,238
The number of people who usually live in the area, counted on Census night.
Williamstown · Urban Centre
Demographics & Identity in Williamstown
Who lives here — how many people, how old they are, and how communities identify.
A much lower proportion of seniors than the state average marks the profile of Williamstown, where 15.1% of people are aged 65 or over. This is a growing area of 2,238 residents that has become slightly younger over the last decade.
2,238
▲ +6.9%
- 1–2: 3 areas
- 2–3: 0 areas
- 3–5: 0 areas
- 5–9: 0 areas
- 9–16: 2 areas
- 16–27: 1 area
- 27–47: 2 areas
- 47–81: 2 areas
- 81–139: 14 areas
- 139–241: 145 areas
- 241–418: 340 areas
- 418–723: 351 areas
- 723–1,252: 304 areas
- 1,252–2,168: 191 areas
- 2,168–3,752: 181 areas
- 3,752–6,495: 107 areas
- 6,495–11,242: 69 areas
- 11,242–19,459: 44 areas
- 19,459–33,683: 31 areas
- 33,683–58,304: 17 areas
- 58,304–100,921: 8 areas
- 100,921–174,689: 8 areas
- 174,689–302,378: 4 areas
- 302,378–523,401: 5 areas
- 523,401–905,982: 2 areas
- 905,982–1,568,210: 1 area
- 1,568,210–2,714,494: 2 areas
- 2,714,494–4,698,656: 2 areas
All urban centre areas, 2021. The marker is Williamstown — higher than 73% of areas.
| Williamstown | 2,238 |
|---|---|
| 5351, SA | 6,195 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population grew by 6.9% since 2011, adding about 144 people. The typical resident is now 39, which is 3 years younger than in 2011.
39 yrs ▼ -7.1%
Younger than 71% of urban centre areas.
- 2011: 42 yrs
- 2021: 39 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Children under 15 make up 20.6% of the population, which is well above the South Australian figure of 17.0%. This higher number of children helps explain why the typical resident is younger than in most similar areas.
15.1% ▼ -5.9%
Lower than 75% of urban centre areas.
- 2011: 16.1%
- 2021: 15.1%
Share of the population aged 65 years and over.
20.6% ▼ -3.8%
Higher than 73% of urban centre areas.
- 2011: 21.5%
- 2021: 20.6%
Share of the population aged under 15 years.
Age structure
View on map →Williamstown splits fairly evenly between Older adults (45–64) (28%) and Young adults (25–44) (24%), with Children (0–14) at 21%.
Identity & relationships
First Nations identity and marital status.
Over half the population is married, while 12.9% are in a de facto relationship, a figure that rose 4.1 points since 2011. Aboriginal and Torres Strait Islander people make up 1.7% of the community.
1.7% ▲ +73.7%
Lower than 81% of urban centre areas.
- 2011: 1.0%
- 2021: 1.7%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
12.9% ▲ +46.1%
Lower than 52% of urban centre areas.
- 2011: 8.8%
- 2021: 12.9%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Williamstown, Married is the majority at 53%; Never married is next at 30%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Williamstown
Cite this page
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/ucl/UCL415047/williamstown/topic/demographics-identity