6,300 ▲ +20.5%
Higher than 86% of suburb / locality areas.
- 2011: 5,230
- 2016: 5,808
- 2021: 6,300
The number of people who usually live in the area, counted on Census night.
Sefton · Suburb / Locality
Demographics & Identity in Sefton
Who lives here — how many people, how old they are, and how communities identify.
A noticeably younger population defines daily life in Sefton, where the typical resident is just 35. With 6,300 people, it is one of the largest areas of its kind in the region, marked by a high proportion of children and a small senior population.
6,300
▲ +20.5%
- 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 Sefton — higher than 86% of areas.
| Sefton | 6,300 |
|---|---|
| 2162, NSW | 20,306 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The typical resident here is 35, which is noticeably younger than the New South Wales figure of 39 and the national average of 38.
35 yrs ▼ -2.8%
Younger than 86% of suburb / locality areas.
- 2011: 36 yrs
- 2016: 34 yrs
- 2021: 35 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 21.1% of the population, a little above the state and national figures. Meanwhile, seniors aged 65 and over account for 13.7%, which is well below the 17.2% seen across Australia.
13.7% ▲ +0.8%
Lower than 73% of suburb / locality areas.
- 2011: 13.6%
- 2016: 12.6%
- 2021: 13.7%
Share of the population aged 65 years and over.
21.1% ▼ -4.5%
Higher than 75% of suburb / locality areas.
- 2011: 22.1%
- 2016: 22.0%
- 2021: 21.1%
Share of the population aged under 15 years.
Age structure
View on map →Sefton splits fairly evenly between Young adults (25–44) (26%) and Older adults (45–64) (24%), with Children (0–14) at 21%.
Identity & relationships
First Nations identity and marital status.
Those in de facto relationships make up just 3.5% of the population, which is well below the national figure of 11.5%. Aboriginal and Torres Strait Islander people account for 0.5%, a little below the Australian average of 3.2%.
0.5% ▲ +126.4%
Lower than 66% of suburb / locality areas.
- 2011: 0.2%
- 2016: 0.2%
- 2021: 0.5%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
3.5% ▲ +9.2%
Lower than 92% of suburb / locality areas.
- 2011: 3.2%
- 2016: 4.4%
- 2021: 3.5%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Sefton, the largest group is Married at 48%, followed by Never married (36%) and Divorced (8%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Sefton
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Sefton [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL13531/sefton/topic/demographics-identity