453,890 ▲ +27.3%
Higher than 87% of region (sa4) areas.
- 2011: 356,586
- 2016: 396,857
- 2021: 453,890
The number of people who usually live in the area, counted on Census night.
Australian Capital Territory · Region (SA4)
Demographics & Identity in Australian Capital Territory
Who lives here — how many people, how old they are, and how communities identify.
A population of 453,890 people lives across the Australian Capital Territory, which has grown by 27% since 2011. The region is noticeably younger than the national average, with a typical resident aged 35. This creates a demographic profile where young adults make up the largest single age group.
453,890
▲ +27.3%
- 1–2: 3 areas
- 2–3: 0 areas
- 3–4: 0 areas
- 4–7: 0 areas
- 7–11: 1 area
- 11–19: 1 area
- 19–30: 1 area
- 30–50: 1 area
- 50–81: 0 areas
- 81–132: 1 area
- 132–214: 1 area
- 214–349: 0 areas
- 349–569: 1 area
- 569–927: 1 area
- 927–1,511: 1 area
- 1,511–2,461: 0 areas
- 2,461–4,010: 2 areas
- 4,010–6,532: 1 area
- 6,532–10,641: 2 areas
- 10,641–17,336: 2 areas
- 17,336–28,242: 0 areas
- 28,242–46,009: 1 area
- 46,009–74,953: 0 areas
- 74,953–122,107: 9 areas
- 122,107–198,924: 21 areas
- 198,924–324,066: 28 areas
- 324,066–527,936: 21 areas
- 527,936–860,060: 8 areas
All region (sa4) areas, 2021. The marker is Australian Capital Territory — higher than 87% of areas.
| Australian Capital Territory | 453,890 |
|---|---|
| Australian Capital Territory | 453,890 |
| Australian Capital Territory | 454,499 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The typical resident here is 35, which is three years younger than the national figure. This reflects a broader trend as the population grew by about 97,304 people between 2011 and 2021.
35 yrs ▲ +2.9%
Younger than 86% of region (sa4) areas.
- 2011: 34 yrs
- 2016: 35 yrs
- 2021: 35 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Young adults aged 25 to 44 are the largest group at 32.4%. While the proportion of children is about the same as the national figure, the share of seniors is well below the Australian average at 13.7%.
13.7% ▲ +28.1%
Lower than 73% of region (sa4) areas.
- 2011: 10.7%
- 2016: 12.6%
- 2021: 13.7%
Share of the population aged 65 years and over.
18.3% ▼ -1.7%
Higher than 59% of region (sa4) areas.
- 2011: 18.6%
- 2016: 18.8%
- 2021: 18.3%
Share of the population aged under 15 years.
Age structure
View on map →In Australian Capital Territory, the largest group is Young adults (25–44) at 32%, followed by Older adults (45–64) (22%) and Children (0–14) (18%).
Identity & relationships
First Nations identity and marital status.
About 2% of the population identifies as Aboriginal and Torres Strait Islander, which is a little below the national figure. Nearly 40% of residents have never married, while 12.5% are in a de facto relationship.
2.0% ▲ +35.8%
Lower than 65% of region (sa4) areas.
- 2011: 1.4%
- 2016: 1.6%
- 2021: 2.0%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
12.5% ▲ +17.3%
Higher than 57% of region (sa4) areas.
- 2011: 10.7%
- 2016: 11.5%
- 2021: 12.5%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Australian Capital Territory, the largest group is Married at 47%, followed by Never married (39%) and Divorced (8%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Australian Capital Territory
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Australian Capital Territory [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa4/801/australian-capital-territory/topic/demographics-identity