39,217 ▲ +31.7%
Higher than 72% of council (lga) areas.
- 2011: 29,767
- 2016: 33,397
- 2021: 39,217
The number of people who usually live in the area, counted on Census night.
Mount Barker · Council (LGA)
Who lives here — how many people, how old they are, and how communities identify.
Nearly half of the 39,217 people in Mount Barker are married, reflecting a strong family focus in an area that has grown quickly. The population jumped by 32% since 2011, adding about 9,450 residents. This expansion has helped keep the community relatively young compared to many other similar areas.
All council (lga) areas, 2021. The marker is Mount Barker — higher than 72% of areas.
| Mount Barker | 39,217 |
|---|---|
| Greater Adelaide | 1,387,290 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
How many people, and the typical age.
The population is growing fast, and the typical resident is 39 years old. This is a little younger than the South Australian figure of 41, though slightly older than the national typical age of 38.
39,217 ▲ +31.7%
Higher than 72% of council (lga) areas.
The number of people who usually live in the area, counted on Census night.
39 yrs ▲ +2.6%
Younger than 67% of council (lga) 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 the 19.5% of residents under 15 is a little above the national figure. Meanwhile, seniors aged 65 and over make up 17.7% of the population, which is a little below the state average.
17.7% ▲ +45.5%
Lower than 62% of council (lga) areas.
Share of the population aged 65 years and over.
19.5% ▼ -10.8%
Higher than 70% of council (lga) areas.
Share of the population aged under 15 years.
Mount Barker splits fairly evenly between Older adults (45–64) (26%) and Young adults (25–44) (25%), with Children (0–14) at 20%.
First Nations identity and marital status.
A small number of residents, 1.3%, identify as Aboriginal and Torres Strait Islander, which is much lower than most areas. De facto relationships are slightly more common here than across the state, accounting for 13.2% of the population.
1.3% ▲ +55.6%
Lower than 83% of council (lga) areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
13.2% ▲ +18.9%
Higher than 58% of council (lga) 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 50%, followed by Never married (33%) 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/lga/LGA44550/mount-barker/topic/demographics-identity