4,493 ▲ +5.2%
Higher than 86% of suburb / locality areas.
- 2011: 4,269
- 2016: 4,444
- 2021: 4,493
The number of people who usually live in the area, counted on Census night.
Seaford · Suburb / Locality
Demographics & Identity in Seaford
Who lives here — how many people, how old they are, and how communities identify.
Larger than 89% of similar areas, Seaford is a growing community of 4,493 people. The area has a distinct age profile, with a typical resident being 43, which is noticeably older than the national figure.
4,493
▲ +5.2%
- 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 Seaford — higher than 86% of areas.
| Seaford | 4,493 |
|---|---|
| 5169, SA | 20,086 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The typical person living here is 43, making Seaford a little older than the South Australian average and noticeably older than the rest of Australia.
43 yrs ▲ +7.5%
Younger than 57% of suburb / locality areas.
- 2011: 40 yrs
- 2016: 41 yrs
- 2021: 43 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 26.1% of the population, a figure that is well above both the state and national averages. Children under 15 account for 17.1%, which is about the same as the state figure.
26.1% ▲ +24.3%
Higher than 77% of suburb / locality areas.
- 2011: 21.0%
- 2016: 22.5%
- 2021: 26.1%
Share of the population aged 65 years and over.
17.1% ▼ -7.4%
Higher than 50% of suburb / locality areas.
- 2011: 18.5%
- 2016: 18.0%
- 2021: 17.1%
Share of the population aged under 15 years.
Age structure
View on map →Seaford splits fairly evenly between Seniors (65+) (26%) and Young adults (25–44) (24%), with Older adults (45–64) at 23%.
Identity & relationships
First Nations identity and marital status.
About 1.8% of residents identify as Aboriginal or Torres Strait Islander, which is about the same as the South Australian average. People in de facto relationships make up 13.6% of the population, which is a little above the national figure.
1.8% ▲ +25.1%
Lower than 51% of suburb / locality areas.
- 2011: 1.5%
- 2016: 1.8%
- 2021: 1.8%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
13.6% ▲ +18.8%
Higher than 61% of suburb / locality areas.
- 2011: 11.4%
- 2016: 13.0%
- 2021: 13.6%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Seaford, the largest group is Married at 44%, followed by Never married (33%) and Divorced (11%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Seaford
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Seaford [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL41315/seaford/topic/demographics-identity