1,079 —
Higher than 73% of suburb / locality areas.
- 2016: 53
- 2021: 1,079
The number of people who usually live in the area, counted on Census night.
Seaford Heights · Suburb / Locality
Demographics & Identity in Seaford Heights
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in Seaford Heights is just 29 years old, which is far younger than the national figure of 38. This gap makes the area stand out as a young hub with a population of 1,079 people.
1,079
—
- 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 Heights — higher than 73% of areas.
| Seaford Heights | 1,079 |
|---|---|
| 5169, SA | 20,086 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The typical age here is 29, which is among the lowest for similar areas and far younger than both South Australia and the rest of the country.
29 yrs —
Younger than 96% of suburb / locality areas.
- 2016: 30 yrs
- 2021: 29 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 23.7% of the population, well above the national figure. This young profile is reflected in the seniors' count, as people aged 65 and over are far below the state and national figures at just 5%.
5.0% —
Lower than 92% of suburb / locality areas.
- 2016: 0.0%
- 2021: 5.0%
Share of the population aged 65 years and over.
23.7% —
Higher than 86% of suburb / locality areas.
- 2016: 17.0%
- 2021: 23.7%
Share of the population aged under 15 years.
Age structure
View on map →In Seaford Heights, the largest group is Young adults (25–44) at 45%, followed by Children (0–14) (23%) and Older adults (45–64) (16%).
Identity & relationships
First Nations identity and marital status.
De facto relationships are very common here, at 23.3%, which is far above both the state and national figures. About 2.2% of residents identify as Aboriginal or Torres Strait Islander, which is about the same as the national average.
2.2% —
Higher than 53% of suburb / locality areas.
- 2016: 0.0%
- 2021: 2.2%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
23.3% —
Higher than 92% of suburb / locality areas.
- 2016: 31.6%
- 2021: 23.3%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Seaford Heights, the largest group is Married at 49%, followed by Never married (41%) and Divorced (6%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Seaford Heights
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Seaford Heights [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL41316/seaford-heights/topic/demographics-identity