101,174 ▲ +6.0%
Higher than 86% of council (lga) areas.
- 2011: 95,467
- 2016: 97,734
- 2021: 101,174
The number of people who usually live in the area, counted on Census night.
Tea Tree Gully · Council (LGA)
Who lives here — how many people, how old they are, and how communities identify.
More than half of the 101,174 people in Tea Tree Gully are married, making it a community defined by established households. The typical resident is 41, which is noticeably older than the national figure. This population has grown by 6% since 2011, adding about 5,707 people to the area.
All council (lga) areas, 2021. The marker is Tea Tree Gully — higher than 86% of areas.
| Tea Tree Gully | 101,174 |
|---|---|
| Greater Adelaide | 1,387,290 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
How many people, and the typical age.
Tea Tree Gully is larger than about 86% of similar areas. The typical person here is 41, which is about the same as the South Australian figure but older than the national average.
101,174 ▲ +6.0%
Higher than 86% of council (lga) areas.
The number of people who usually live in the area, counted on Census night.
41 yrs ▲ +2.5%
Younger than 57% of council (lga) areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
The area is ageing, with the proportion of people aged 65 and over rising 5.7 percentage points since 2011 to reach 20.5%. This is well above the national figure of 17.2%, while children under 15 remain steady at 17.3%.
20.5% ▲ +38.6%
Higher than 54% of council (lga) areas.
Share of the population aged 65 years and over.
17.3% ▼ -4.1%
Lower than 55% of council (lga) areas.
Share of the population aged under 15 years.
Tea Tree Gully splits fairly evenly between Older adults (45–64) (25%) and Young adults (25–44) (25%), with Seniors (65+) at 20%.
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 1.3% of the population, which is much lower than most areas. Those in de facto relationships account for 9.5%, a figure a little below both the state and national averages.
1.3% ▲ +50.0%
Lower than 83% of council (lga) areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
9.5% ▲ +14.7%
Lower than 88% of council (lga) areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Tea Tree Gully, Married is the majority at 51%; Never married is next at 31%.
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/lga/LGA47700/tea-tree-gully/topic/demographics-identity