18,330 ▲ +55.2%
Higher than 89% of suburb / locality areas.
- 2011: 11,809
- 2016: 13,842
- 2021: 18,330
The number of people who usually live in the area, counted on Census night.
Mount Barker · Suburb / Locality
Who lives here — how many people, how old they are, and how communities identify.
Nearly 46% of residents in Mount Barker are married, reflecting a community with a strong family focus. The area is one of the largest at its level with 18,330 people. It is noticeably younger than most similar places, with a typical resident aged just 36.
All suburb / locality areas, 2021. The marker is Mount Barker — higher than 89% of areas.
| Mount Barker | 18,330 |
|---|---|
| 5251, SA | 19,184 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
How many people, and the typical age.
With a total population of 18,330, Mount Barker is among the largest areas of its type. The typical person here is 36, which is noticeably younger than the South Australian figure of 41.
18,330 ▲ +55.2%
Higher than 89% of suburb / locality areas.
The number of people who usually live in the area, counted on Census night.
36 yrs → 0.0%
Younger than 83% of suburb / locality areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Families with children are common here, as those under 15 make up 19.8% of the population. This is a little above the national figure of 18.2%, while seniors aged 65 and over sit at 17.3%.
17.3% ▲ +32.4%
Lower than 57% of suburb / locality areas.
Share of the population aged 65 years and over.
19.8% ▼ -8.7%
Higher than 69% of suburb / locality areas.
Share of the population aged under 15 years.
In Mount Barker, the largest group is Young adults (25–44) at 29%, followed by Older adults (45–64) (22%) and Children (0–14) (20%).
First Nations identity and marital status.
A little more than 13.7% of people are in de facto relationships, which is higher than most areas and the national figure of 11.5%. Those identifying as Aboriginal and Torres Strait Islander make up 1.6% of the population.
1.6% ▲ +69.5%
Lower than 53% of suburb / locality areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
13.7% ▲ +32.6%
Higher than 62% of suburb / locality areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Mount Barker, the largest group is Married at 46%, followed by Never married (36%) and Divorced (10%).
Australian Bureau of Statistics. (2021). Demographics & Identity in Mount Barker [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL40932/mount-barker/topic/demographics-identity