10,877 ▲ +10.5%
Higher than 87% of suburb / locality areas.
- 2011: 9,845
- 2016: 10,365
- 2021: 10,877
The number of people who usually live in the area, counted on Census night.
Seaton · Suburb / Locality
Demographics & Identity in Seaton
Who lives here — how many people, how old they are, and how communities identify.
A population of 10,877 people makes Seaton one of the largest areas at this level. The local community is slightly younger than the state average, though it has a notably high proportion of seniors compared to the rest of Australia.
10,877
▲ +10.5%
- 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 Seaton — higher than 87% of areas.
| Seaton | 10,877 |
|---|---|
| 5023, SA | 17,880 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The typical resident in Seaton is 40 years old, which is a little younger than the South Australian figure of 41 years.
40 yrs ▼ -2.4%
Younger than 71% of suburb / locality areas.
- 2011: 41 yrs
- 2016: 41 yrs
- 2021: 40 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 15.1% of the population, which is well below the national figure of 18.2%. In contrast, people aged 65 and over represent 20.7% of the area, a figure well above the Australian average of 17.2%.
20.7% ▲ +0.4%
Higher than 59% of suburb / locality areas.
- 2011: 20.7%
- 2016: 20.5%
- 2021: 20.7%
Share of the population aged 65 years and over.
15.1% ▼ -4.2%
Lower than 63% of suburb / locality areas.
- 2011: 15.8%
- 2016: 15.5%
- 2021: 15.1%
Share of the population aged under 15 years.
Age structure
View on map →Seaton splits fairly evenly between Young adults (25–44) (29%) and Older adults (45–64) (24%), with Seniors (65+) at 21%.
Identity & relationships
First Nations identity and marital status.
About 2.2% of residents identify as Aboriginal and/or Torres Strait Islander, which is about the same as the state average. Those in de facto relationships make up 9.6% of the population, slightly lower than the national figure of 11.5%.
2.2% ▲ +37.8%
Higher than 52% of suburb / locality areas.
- 2011: 1.6%
- 2016: 2.0%
- 2021: 2.2%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
9.6% ▲ +30.5%
Lower than 70% of suburb / locality areas.
- 2011: 7.4%
- 2016: 8.2%
- 2021: 9.6%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →Seaton splits fairly evenly between Married (41%) and Never married (37%), with Divorced at 11%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Seaton
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Seaton [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL41320/seaton/topic/demographics-identity