25,087 ▲ +4.4%
Higher than 86% of postcode areas.
- 2011: 24,029
- 2016: 24,735
- 2021: 25,087
The number of people who usually live in the area, counted on Census night.
5158, SA · Postcode
Who lives here — how many people, how old they are, and how communities identify.
Noticeably older residents than the national average define postcode 5158, where the typical person is 41. The area has grown by 4.4% since 2011 to reach a population of 25,087 people, making it larger than about 89% of similar areas.
All postcode areas, 2021. The marker is 5158, SA — higher than 86% of areas.
| 5158, SA | 25,087 |
|---|---|
| Marion | 94,721 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
How many people, and the typical age.
The typical resident is 41, which is about the same as the South Australian figure but 3 years older than the national typical age. This age has climbed by 4 years since 2011.
25,087 ▲ +4.4%
Higher than 86% of postcode areas.
The number of people who usually live in the area, counted on Census night.
41 yrs ▲ +10.8%
Younger than 57% of postcode areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Children under 15 make up 18.3% of the population, which is higher than most areas. Meanwhile, the proportion of people aged 65 and over has risen sharply by 7.6 points since 2011, though it remains well below the South Australian figure of 20.0%.
17.0% ▲ +80.3%
Lower than 65% of postcode areas.
Share of the population aged 65 years and over.
18.3% ▼ -6.5%
Higher than 61% of postcode areas.
Share of the population aged under 15 years.
5158, SA splits fairly evenly between Older adults (45–64) (28%) and Young adults (25–44) (26%), with Children (0–14) at 18%.
First Nations identity and marital status.
Married people make up 54.3% of the community, while those in de facto relationships account for 11.1%, a figure lower than most areas. Aboriginal and Torres Strait Islander people make up 1.0% of the population, which is a little below both state and national figures.
1.0% ▲ +67.6%
Lower than 72% of postcode areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
11.1% ▲ +22.3%
Lower than 66% of postcode areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In 5158, SA, Married is the majority at 54%; Never married is next at 31%.
Australian Bureau of Statistics. (2021). Demographics & Identity in 5158, SA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA5158/5158-sa/topic/demographics-identity