25,026 ▲ +27.4%
Lower than 82% of sub-region (sa3) areas.
- 2011: 19,640
- 2016: 22,063
- 2021: 25,026
The number of people who usually live in the area, counted on Census night.
Adelaide City · Sub-region (SA3)
Demographics & Identity in Adelaide City
Who lives here — how many people, how old they are, and how communities identify.
A population growth of 27% since 2011 has seen Adelaide City expand to 25,026 people. It is a notably young place where the typical resident is just 32, making it far younger than the rest of South Australia.
25,026
▲ +27.4%
- 1–2: 3 areas
- 2–2: 0 areas
- 2–4: 0 areas
- 4–6: 0 areas
- 6–9: 2 areas
- 9–15: 2 areas
- 15–23: 1 area
- 23–37: 0 areas
- 37–57: 1 area
- 57–90: 0 areas
- 90–141: 1 area
- 141–221: 1 area
- 221–347: 1 area
- 347–545: 2 areas
- 545–854: 3 areas
- 854–1,340: 0 areas
- 1,340–2,101: 3 areas
- 2,101–3,296: 1 area
- 3,296–5,169: 2 areas
- 5,169–8,107: 3 areas
- 8,107–12,714: 7 areas
- 12,714–19,940: 16 areas
- 19,940–31,273: 30 areas
- 31,273–49,048: 61 areas
- 49,048–76,924: 90 areas
- 76,924–120,643: 70 areas
- 120,643–189,211: 46 areas
- 189,211–296,748: 12 areas
All sub-region (sa3) areas, 2021. The marker is Adelaide City — lower than 82% of areas.
| Adelaide City | 25,026 |
|---|---|
| Greater Adelaide | 1,387,290 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The total population grew by about 5,386 people over the last decade. While it remains smaller than about 82% of similar areas, the typical age has risen slightly from 30 to 32 years since 2011.
32 yrs ▲ +6.7%
Younger than 96% of sub-region (sa3) areas.
- 2011: 30 yrs
- 2016: 30 yrs
- 2021: 32 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 make up the largest group at 36.9%, which helps explain why children under 15 are far below the national figure at only 5.8%. Seniors aged 65 and over now account for 15.2% of the population, a rise of 4.0 percentage points since 2011.
15.2% ▲ +36.1%
Lower than 66% of sub-region (sa3) areas.
- 2011: 11.2%
- 2016: 13.0%
- 2021: 15.2%
Share of the population aged 65 years and over.
5.8% ▼ -0.5%
Lower than 99% of sub-region (sa3) areas.
- 2011: 5.8%
- 2016: 5.5%
- 2021: 5.8%
Share of the population aged under 15 years.
Age structure
View on map →In Adelaide City, the largest group is Young adults (25–44) at 37%, followed by Youth (15–24) (24%) and Older adults (45–64) (18%).
Identity & relationships
First Nations identity and marital status.
De facto relationships are much more common here than in most areas, reaching 16.4% and sitting well above the national figure. This fits with a high number of people who have never married (59.5%), while the Aboriginal and Torres Strait Islander population is a little below the state average at 1.4%.
1.4% ▲ +20.9%
Lower than 71% of sub-region (sa3) areas.
- 2011: 1.1%
- 2016: 1.1%
- 2021: 1.4%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
16.4% ▲ +39.3%
Higher than 89% of sub-region (sa3) areas.
- 2011: 11.8%
- 2016: 13.0%
- 2021: 16.4%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Adelaide City, Never married is the majority at 60%; Married is next at 26%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Adelaide City
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Adelaide City [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/40101/adelaide-city/topic/demographics-identity