17,501 ▲ +11.4%
Higher than 85% of statistical area 2 (sa2) areas.
- 2011: 15,705
- 2016: 16,282
- 2021: 17,501
The number of people who usually live in the area, counted on Census night.
Seaton - Grange · Statistical Area 2 (SA2)
Demographics & Identity in Seaton - Grange
Who lives here — how many people, how old they are, and how communities identify.
Nearly 45% of people in Seaton - Grange are married, making it a community with a strong focus on established couples. The area is noticeably older than the national average, with a high proportion of seniors and a population that grew by 11% since 2011.
17,501
▲ +11.4%
- 1–1: 40 areas
- 1–2: 0 areas
- 2–3: 0 areas
- 3–4: 12 areas
- 4–6: 6 areas
- 6–9: 9 areas
- 9–13: 10 areas
- 13–19: 7 areas
- 19–27: 17 areas
- 27–39: 6 areas
- 39–56: 5 areas
- 56–81: 4 areas
- 81–116: 1 area
- 116–168: 5 areas
- 168–242: 3 areas
- 242–349: 4 areas
- 349–503: 2 areas
- 503–725: 9 areas
- 725–1,045: 3 areas
- 1,045–1,506: 5 areas
- 1,506–2,171: 31 areas
- 2,171–3,130: 83 areas
- 3,130–4,513: 217 areas
- 4,513–6,507: 318 areas
- 6,507–9,382: 402 areas
- 9,382–13,526: 546 areas
- 13,526–19,501: 496 areas
- 19,501–28,116: 231 areas
All statistical area 2 (sa2) areas, 2021. The marker is Seaton - Grange — higher than 85% of areas.
| Seaton - Grange | 17,501 |
|---|---|
| 5023, SA | 17,880 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population grew to 17,501 people by 2021, which is larger than about 85% of similar areas. The typical resident is 43, making the area a little older than South Australia and noticeably older than the national figure.
43 yrs → 0.0%
Older than 71% of statistical area 2 (sa2) areas.
- 2011: 43 yrs
- 2016: 43 yrs
- 2021: 43 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Older residents make up 23.4% of the population, which is well above both state and national figures. This helps explain why the area has much fewer children under 15 than most other places.
23.4% ▲ +7.9%
Higher than 81% of statistical area 2 (sa2) areas.
- 2011: 21.7%
- 2016: 22.4%
- 2021: 23.4%
Share of the population aged 65 years and over.
14.8% ▼ -2.8%
Lower than 80% of statistical area 2 (sa2) areas.
- 2011: 15.3%
- 2016: 15.3%
- 2021: 14.8%
Share of the population aged under 15 years.
Age structure
View on map →Seaton - Grange splits fairly evenly between Young adults (25–44) (26%) and Older adults (45–64) (25%), with Seniors (65+) at 23%.
Identity & relationships
First Nations identity and marital status.
About 1.8% of residents are Aboriginal and Torres Strait Islander, which is about the same as the state average. Those in de facto relationships make up 10.0% of the population, a figure that is a little below the national average.
1.8% ▲ +45.7%
Lower than 56% of statistical area 2 (sa2) areas.
- 2011: 1.2%
- 2016: 1.5%
- 2021: 1.8%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
10.0% ▲ +28.3%
Lower than 73% of statistical area 2 (sa2) areas.
- 2011: 7.8%
- 2016: 8.5%
- 2021: 10.0%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Seaton - Grange, the largest group is Married at 45%, followed by Never married (34%) and Divorced (10%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Seaton - Grange
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Seaton - Grange [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/404011095/seaton-grange/topic/demographics-identity