10,184 ▲ +3.4%
Higher than 87% of suburb / locality areas.
- 2011: 9,850
- 2016: 9,950
- 2021: 10,184
The number of people who usually live in the area, counted on Census night.
Flagstaff Hill · Suburb / Locality
Who lives here — how many people, how old they are, and how communities identify.
More than half of the 10,184 people in Flagstaff Hill are married, making it a stable residential hub. The area is noticeably older than the national average, with a typical resident aged 43. This mix of established adults and families creates a balanced community structure.
All suburb / locality areas, 2021. The marker is Flagstaff Hill — higher than 87% of areas.
| Flagstaff Hill | 10,184 |
|---|---|
| 5159, SA | 33,635 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
How many people, and the typical age.
Flagstaff Hill is among the largest areas at its level with 10,184 residents. The typical person here is 43, which is a little older than the South Australian average and noticeably older than the national figure.
10,184 ▲ +3.4%
Higher than 87% of suburb / locality areas.
The number of people who usually live in the area, counted on Census night.
43 yrs ▲ +4.9%
Younger than 57% of suburb / locality areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
The age profile is evenly spread, with older adults (45–64) making up the largest group at 28%. Children under 15 and seniors aged 65 and over both sit around 17% to 20%, which is about the same as the state and national figures.
19.9% ▲ +72.8%
Higher than 55% of suburb / locality areas.
Share of the population aged 65 years and over.
17.3% ▼ -6.4%
Higher than 51% of suburb / locality areas.
Share of the population aged under 15 years.
In Flagstaff Hill, the largest group is Older adults (45–64) at 28%, followed by Young adults (25–44) (23%) and Seniors (65+) (20%).
First Nations identity and marital status.
Married people make up 57.2% of the population, while those in de facto relationships are at 10.0%, which is a little below the national figure. Those identifying as Aboriginal and Torres Strait Islander make up 0.8%, which is lower than most areas.
0.8% ▲ +324.4%
Lower than 63% of suburb / locality areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
10.0% ▲ +37.5%
Lower than 67% of suburb / locality areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Flagstaff Hill, Married is the majority at 57%; Never married is next at 29%.
Australian Bureau of Statistics. (2021). Demographics & Identity in Flagstaff Hill [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL40444/flagstaff-hill/topic/demographics-identity