96,326 ▲ +14.2%
Higher than 74% of sub-region (sa3) areas.
- 2011: 84,325
- 2016: 90,067
- 2021: 96,326
The number of people who usually live in the area, counted on Census night.
Marion · Sub-region (SA3)
Demographics & Identity in Marion
Who lives here — how many people, how old they are, and how communities identify.
A growing population of 96,326 people defines daily life in Marion, where the community has expanded by 14% over the last decade. The area is home to a diverse range of ages, though it has a notably low proportion of children compared to other similar regions.
96,326
▲ +14.2%
- 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 Marion — higher than 74% of areas.
| Marion | 96,326 |
|---|---|
| Greater Adelaide | 1,387,290 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
Marion is larger than about 75% of similar areas, having added roughly 12,001 people since 2011. The typical resident is 39, a figure that has barely changed in ten years.
39 yrs → 0.0%
Younger than 57% of sub-region (sa3) areas.
- 2011: 39 yrs
- 2016: 39 yrs
- 2021: 39 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 16.1% of the population, which is much lower than most areas. Meanwhile, the proportion of people aged 65 and over rose to 19.0%, which is a little above the national figure.
19.0% ▲ +13.2%
Higher than 59% of sub-region (sa3) areas.
- 2011: 16.8%
- 2016: 17.5%
- 2021: 19.0%
Share of the population aged 65 years and over.
16.1% ▼ -0.4%
Lower than 74% of sub-region (sa3) areas.
- 2011: 16.2%
- 2016: 16.2%
- 2021: 16.1%
Share of the population aged under 15 years.
Age structure
View on map →In Marion, the largest group is Young adults (25–44) at 29%, followed by Older adults (45–64) (24%) and Seniors (65+) (19%).
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 1.3% of the population, which is a little below the state and national figures. Those in de facto relationships account for 11.5% of residents, an increase of 2.4 points since 2011.
1.3% ▲ +27.8%
Lower than 71% of sub-region (sa3) areas.
- 2011: 1.1%
- 2016: 1.2%
- 2021: 1.3%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
11.5% ▲ +25.9%
Lower than 65% of sub-region (sa3) areas.
- 2011: 9.1%
- 2016: 9.9%
- 2021: 11.5%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Marion, the largest group is Married at 45%, followed by Never married (37%) and Divorced (10%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Marion
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Marion [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/40302/marion/topic/demographics-identity