45,867 ▲ +56.9%
Lower than 64% of sub-region (sa3) areas.
- 2011: 29,227
- 2016: 38,918
- 2021: 45,867
The number of people who usually live in the area, counted on Census night.
Kwinana · Sub-region (SA3)
Demographics & Identity in Kwinana
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in Kwinana is just 33, making the area noticeably younger than the national figure of 38. This is a fast-growing community that added about 16,640 people since 2011, with a population that now leans heavily toward young adults and families.
45,867
▲ +56.9%
- 1–2: 3 areas
- 2–2: 0 areas
- 2–4: 0 areas
- 4–6: 0 areas
- 6–9: 2 areas
- 9–15: 2 areas
- 15–23: 1 area
- 23–37: 0 areas
- 37–57: 1 area
- 57–90: 0 areas
- 90–141: 1 area
- 141–221: 1 area
- 221–347: 1 area
- 347–545: 2 areas
- 545–854: 3 areas
- 854–1,340: 0 areas
- 1,340–2,101: 3 areas
- 2,101–3,296: 1 area
- 3,296–5,169: 2 areas
- 5,169–8,107: 3 areas
- 8,107–12,714: 7 areas
- 12,714–19,940: 16 areas
- 19,940–31,273: 30 areas
- 31,273–49,048: 61 areas
- 49,048–76,924: 90 areas
- 76,924–120,643: 70 areas
- 120,643–189,211: 46 areas
- 189,211–296,748: 12 areas
All sub-region (sa3) areas, 2021. The marker is Kwinana — lower than 64% of areas.
| Kwinana | 45,867 |
|---|---|
| Greater Perth | 2,116,647 |
| Western Australia | 2,660,026 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The total population grew by 57% to 45,867 people since 2011. This growth has not shifted the age profile much, as the typical age rose only one year to 33.
33 yrs ▲ +3.1%
Younger than 93% of sub-region (sa3) areas.
- 2011: 32 yrs
- 2016: 32 yrs
- 2021: 33 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Kwinana has a very young profile, with children under 15 making up 22.7% of the population, which is well above the national figure of 18.2%. In contrast, seniors aged 65 and over make up only 9.7%, among the lowest proportions for areas of this size.
9.7% ▲ +3.6%
Lower than 91% of sub-region (sa3) areas.
- 2011: 9.4%
- 2016: 9.2%
- 2021: 9.7%
Share of the population aged 65 years and over.
22.7% ▼ -1.0%
Higher than 91% of sub-region (sa3) areas.
- 2011: 22.9%
- 2016: 22.3%
- 2021: 22.7%
Share of the population aged under 15 years.
Age structure
View on map →In Kwinana, the largest group is Young adults (25–44) at 34%, followed by Children (0–14) (23%) and Older adults (45–64) (21%).
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 4.4% of the population, which is a little above the state figure. People in de facto relationships are also much more common here than in most other areas, at 14%.
4.4% ▲ +12.5%
Higher than 68% of sub-region (sa3) areas.
- 2011: 3.9%
- 2016: 3.6%
- 2021: 4.4%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
14.0% ▼ -5.9%
Higher than 75% of sub-region (sa3) areas.
- 2011: 14.9%
- 2016: 14.0%
- 2021: 14.0%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →Kwinana splits fairly evenly between Married (43%) and Never married (41%), with Divorced at 8%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Kwinana
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Kwinana [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/50703/kwinana/topic/demographics-identity