35,711 ▲ +8.0%
Lower than 74% of sub-region (sa3) areas.
- 2011: 33,068
- 2016: 33,703
- 2021: 35,711
The number of people who usually live in the area, counted on Census night.
Holdfast Bay · Sub-region (SA3)
Demographics & Identity in Holdfast Bay
Who lives here — how many people, how old they are, and how communities identify.
Nearly half of the 35,711 people in Holdfast Bay are married, making it a community where traditional partnerships are very common. This is an older-than-average area, with a typical resident aged 48 and a significant number of seniors living here.
35,711
▲ +8.0%
- 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 Holdfast Bay — lower than 74% of areas.
| Holdfast Bay | 35,711 |
|---|---|
| Greater Adelaide | 1,387,290 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population grew by 8% since 2011 to reach 35,711 people. Residents here are noticeably older than those in South Australia and far older than the national figure, with the typical age rising to 48 years.
48 yrs ▲ +6.7%
Older than 88% of sub-region (sa3) areas.
- 2011: 45 yrs
- 2016: 46 yrs
- 2021: 48 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 27.2% of the population, which is well above the national figure of 17.2%. This helps explain why children under 15 make up only 13% of the area, a figure well below both the state and national levels.
27.2% ▲ +25.9%
Higher than 92% of sub-region (sa3) areas.
- 2011: 21.6%
- 2016: 24.1%
- 2021: 27.2%
Share of the population aged 65 years and over.
13.0% ▲ +3.6%
Lower than 90% of sub-region (sa3) areas.
- 2011: 12.5%
- 2016: 13.3%
- 2021: 13.0%
Share of the population aged under 15 years.
Age structure
View on map →Holdfast Bay splits fairly evenly between Older adults (45–64) (27%) and Seniors (65+) (27%), with Young adults (25–44) at 22%.
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 0.8% of the population, which is a little below the state and national figures. Those in de facto relationships account for 10.5% of residents, which is much lower than in most similar areas.
0.8% ▲ +67.8%
Lower than 82% of sub-region (sa3) areas.
- 2011: 0.5%
- 2016: 0.7%
- 2021: 0.8%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
10.5% ▲ +18.7%
Lower than 76% of sub-region (sa3) areas.
- 2011: 8.8%
- 2016: 9.9%
- 2021: 10.5%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Holdfast Bay, the largest group is Married at 47%, followed by Never married (32%) and Divorced (11%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Holdfast Bay
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Holdfast Bay [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/40301/holdfast-bay/topic/demographics-identity