96,660 ▲ +5.6%
Higher than 74% of sub-region (sa3) areas.
- 2011: 91,538
- 2016: 93,604
- 2021: 96,660
The number of people who usually live in the area, counted on Census night.
Tea Tree Gully · Sub-region (SA3)
Demographics & Identity in Tea Tree Gully
Who lives here — how many people, how old they are, and how communities identify.
Over one-fifth of the population are seniors, making Tea Tree Gully a notably older area than the national average. This region has grown steadily, adding about 5,122 people since 2011 to reach a total population of 96,660.
96,660
▲ +5.6%
- 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 Tea Tree Gully — higher than 74% of areas.
| Tea Tree Gully | 96,660 |
|---|---|
| Greater Adelaide | 1,387,290 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The typical resident is 41, which is noticeably older than the national figure of 38. This age has crept up slightly since 2011, when the typical person was 40.
41 yrs ▲ +2.5%
Older than 62% of sub-region (sa3) areas.
- 2011: 40 yrs
- 2016: 41 yrs
- 2021: 41 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Seniors aged 65 and over make up 20.7% of the population, a figure well above the Australian average. This group has grown significantly, rising 5.8 percentage points since 2011, while the proportion of children has fallen slightly to 17.1%.
20.7% ▲ +39.4%
Higher than 70% of sub-region (sa3) areas.
- 2011: 14.8%
- 2016: 18.3%
- 2021: 20.7%
Share of the population aged 65 years and over.
17.1% ▼ -4.8%
Lower than 59% of sub-region (sa3) areas.
- 2011: 18.0%
- 2016: 17.5%
- 2021: 17.1%
Share of the population aged under 15 years.
Age structure
View on map →Tea Tree Gully splits fairly evenly between Older adults (45–64) (25%) and Young adults (25–44) (25%), with Seniors (65+) at 21%.
Identity & relationships
First Nations identity and marital status.
About 1.2% of residents identify as Aboriginal and Torres Strait Islander, which is a little below the state and national figures. Most people are married (51.2%), while those in de facto relationships make up 9.5%, a figure much lower than most similar areas.
1.2% ▲ +60.2%
Lower than 74% of sub-region (sa3) areas.
- 2011: 0.8%
- 2016: 0.9%
- 2021: 1.2%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
9.5% ▲ +14.0%
Lower than 82% of sub-region (sa3) areas.
- 2011: 8.4%
- 2016: 9.0%
- 2021: 9.5%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Tea Tree Gully, Married is the majority at 51%; Never married is next at 31%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Tea Tree Gully
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Tea Tree Gully [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/40205/tea-tree-gully/topic/demographics-identity