19,490 ▲ +9.5%
Higher than 89% of suburb / locality areas.
- 2011: 17,795
- 2016: 20,230
- 2021: 19,490
The number of people who usually live in the area, counted on Census night.
St Kilda · Suburb / Locality
Demographics & Identity in St Kilda
Who lives here — how many people, how old they are, and how communities identify.
Fewer children and seniors live here than in most similar areas, making St Kilda a notably young place. With nearly half the population aged between 25 and 44, it is a hub for working-age adults.
19,490
▲ +9.5%
- 1–1: 689 areas
- 1–2: 0 areas
- 2–3: 119 areas
- 3–5: 108 areas
- 5–7: 243 areas
- 7–11: 241 areas
- 11–16: 514 areas
- 16–24: 579 areas
- 24–36: 898 areas
- 36–53: 1059 areas
- 53–79: 1168 areas
- 79–117: 1203 areas
- 117–174: 1171 areas
- 174–258: 1010 areas
- 258–384: 856 areas
- 384–571: 670 areas
- 571–850: 616 areas
- 850–1,263: 567 areas
- 1,263–1,879: 520 areas
- 1,879–2,794: 590 areas
- 2,794–4,154: 679 areas
- 4,154–6,177: 585 areas
- 6,177–9,186: 528 areas
- 9,186–13,659: 405 areas
- 13,659–20,311: 195 areas
- 20,311–30,202: 96 areas
- 30,202–44,910: 33 areas
- 44,910–66,781: 10 areas
All suburb / locality areas, 2021. The marker is St Kilda — higher than 89% of areas.
Population
How many people, and the typical age.
The typical resident is 36, which is a little younger than the national figure. This makes the area's population much younger than most similar places.
36 yrs ▲ +9.1%
Younger than 83% of suburb / locality areas.
- 2011: 33 yrs
- 2016: 34 yrs
- 2021: 36 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Children under 15 make up only 6.6% of the population, which is far below the 18.2% national average. Seniors aged 65 and over are also well below the national figure at 10.7%.
10.7% ▲ +41.2%
Lower than 82% of suburb / locality areas.
- 2011: 7.6%
- 2016: 8.6%
- 2021: 10.7%
Share of the population aged 65 years and over.
6.6% ▼ -3.1%
Lower than 90% of suburb / locality areas.
- 2011: 6.8%
- 2016: 6.9%
- 2021: 6.6%
Share of the population aged under 15 years.
Age structure
View on map →In St Kilda, the largest group is Young adults (25–44) at 50%, followed by Older adults (45–64) (25%) and Seniors (65+) (11%).
Identity & relationships
First Nations identity and marital status.
De facto relationships are very common here, with 24.4% of people in such partnerships—far above the 11.5% seen across Australia. This is consistent with the fact that 65.8% of residents have never married.
0.8% ▲ +90.8%
Lower than 62% of suburb / locality areas.
- 2011: 0.4%
- 2016: 0.6%
- 2021: 0.8%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
24.4% ▲ +10.1%
Higher than 93% of suburb / locality areas.
- 2011: 22.2%
- 2016: 23.9%
- 2021: 24.4%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In St Kilda, Never married is the majority at 66%; Married is next at 20%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for St Kilda
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in St Kilda [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL22343/st-kilda/topic/demographics-identity