18,505 ▼ -3.0%
Higher than 87% of statistical area 2 (sa2) areas.
- 2011: 19,082
- 2016: 18,745
- 2021: 18,505
The number of people who usually live in the area, counted on Census night.
Ballajura · Statistical Area 2 (SA2)
Who lives here — how many people, how old they are, and how communities identify.
A growing older age profile has shaped Ballajura since 2011, with the typical resident now 37. This is a large suburb of over 18,500 people, though the total population has shrunk slightly over the last decade.
All statistical area 2 (sa2) areas, 2021. The marker is Ballajura — higher than 87% of areas.
| Ballajura | 18,505 |
|---|---|
| 6067, WA | 45 |
| Western Australia | 2,660,026 |
| Australia | 25,422,788 |
How many people, and the typical age.
The typical resident is 37, which is a little younger than the national figure of 38. The total population is 18,505, making it larger than about 88% of similar areas.
18,505 ▼ -3.0%
Higher than 87% of statistical area 2 (sa2) areas.
The number of people who usually live in the area, counted on Census night.
37 yrs ▲ +8.8%
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 19.2% of the population, while seniors aged 65 and over are well below the national figure at 13.0%. The number of older adults has risen by 5.5 percentage points since 2011.
13.0% ▲ +73.8%
Lower than 74% of statistical area 2 (sa2) areas.
Share of the population aged 65 years and over.
19.2% ▼ -12.7%
Higher than 64% of statistical area 2 (sa2) areas.
Share of the population aged under 15 years.
Ballajura splits fairly evenly between Older adults (45–64) (29%) and Young adults (25–44) (25%), with Children (0–14) at 19%.
First Nations identity and marital status.
About 2.3% of residents identify as Aboriginal or Torres Strait Islander, which is around the middle for similar areas. Those in de facto relationships make up 8.6% of the population, a figure well below the state average of 12.2%.
2.3% ▲ +6.6%
Higher than 53% of statistical area 2 (sa2) areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
8.6% ▲ +3.1%
Lower than 80% of statistical area 2 (sa2) areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Ballajura, the largest group is Married at 48%, followed by Never married (36%) and Divorced (9%).
Australian Bureau of Statistics. (2021). Demographics & Identity in Ballajura [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/504031056/ballajura/topic/demographics-identity