22,113 ▲ +48.3%
Higher than 92% of statistical area 2 (sa2) areas.
- 2011: 14,915
- 2016: 17,365
- 2021: 22,113
The number of people who usually live in the area, counted on Census night.
Mount Barker · Statistical Area 2 (SA2)
Who lives here — how many people, how old they are, and how communities identify.
A rapid 48% population jump since 2011 has seen Mount Barker grow to over 22,113 people. The area is noticeably younger than the South Australian average, with a typical resident aged 37. This growth is driven by a high proportion of young adults and children.
All statistical area 2 (sa2) areas, 2021. The marker is Mount Barker — higher than 92% of areas.
| Mount Barker | 22,113 |
|---|---|
| 5251, SA | 19,184 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
How many people, and the typical age.
Mount Barker is among the largest areas at this level, with its population growing by about 7,198 people since 2011. The typical resident is 37, which is noticeably younger than the South Australian figure of 41.
22,113 ▲ +48.3%
Higher than 92% of statistical area 2 (sa2) areas.
The number of people who usually live in the area, counted on Census night.
37 yrs ▲ +2.8%
Younger than 64% of statistical area 2 (sa2) areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Children under 15 make up 20.0% of the population, which is a little above the national figure. While the share of children has fallen slightly since 2011, the proportion of people aged 65 and over rose by 4.8 percentage points in that time.
17.2% ▲ +38.9%
Lower than 51% of statistical area 2 (sa2) areas.
Share of the population aged 65 years and over.
20.0% ▼ -10.3%
Higher than 72% of statistical area 2 (sa2) areas.
Share of the population aged under 15 years.
Mount Barker splits fairly evenly between Young adults (25–44) (27%) and Older adults (45–64) (23%), with Children (0–14) at 20%.
First Nations identity and marital status.
About 13.1% of residents are in a de facto relationship, which is higher than most areas. Meanwhile, the Aboriginal and Torres Strait Islander population is 1.5%, which is a little below the national figure.
1.5% ▲ +76.1%
Lower than 61% of statistical area 2 (sa2) areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
13.1% ▲ +24.3%
Higher than 64% of statistical area 2 (sa2) 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 48%, followed by Never married (35%) and Divorced (9%).
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/sa2/401021007/mount-barker/topic/demographics-identity