443,407 ▲ +25.7%
Higher than 86% of region (sa4) areas.
- 2011: 352,747
- 2016: 403,334
- 2021: 443,407
The number of people who usually live in the area, counted on Census night.
Perth - South West · Region (SA4)
Demographics & Identity in Perth - South West
Who lives here — how many people, how old they are, and how communities identify.
A population of 443,407 makes Perth - South West larger than about 88% of similar areas. This region is growing quickly and remains relatively young, with the typical resident aged 38. It is a diverse mix of families and working adults, though it has a lower proportion of seniors than most comparable places.
443,407
▲ +25.7%
- 1–2: 3 areas
- 2–3: 0 areas
- 3–4: 0 areas
- 4–7: 0 areas
- 7–11: 1 area
- 11–19: 1 area
- 19–30: 1 area
- 30–50: 1 area
- 50–81: 0 areas
- 81–132: 1 area
- 132–214: 1 area
- 214–349: 0 areas
- 349–569: 1 area
- 569–927: 1 area
- 927–1,511: 1 area
- 1,511–2,461: 0 areas
- 2,461–4,010: 2 areas
- 4,010–6,532: 1 area
- 6,532–10,641: 2 areas
- 10,641–17,336: 2 areas
- 17,336–28,242: 0 areas
- 28,242–46,009: 1 area
- 46,009–74,953: 0 areas
- 74,953–122,107: 9 areas
- 122,107–198,924: 21 areas
- 198,924–324,066: 28 areas
- 324,066–527,936: 21 areas
- 527,936–860,060: 8 areas
All region (sa4) areas, 2021. The marker is Perth - South West — higher than 86% of areas.
| Perth - South West | 443,407 |
|---|---|
| Greater Perth | 2,116,647 |
| Western Australia | 2,660,026 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population grew by 26% since 2011, adding about 90,660 people. The typical resident is now 38, which is 2 years older than in 2011.
38 yrs ▲ +5.6%
Younger than 64% of region (sa4) areas.
- 2011: 36 yrs
- 2016: 36 yrs
- 2021: 38 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Children under 15 make up 19.6% of the population, a figure much higher than most areas. Meanwhile, the proportion of people aged 65 and over is lower than most areas at 15.6%, despite rising 3.0 percentage points since 2011.
15.6% ▲ +23.4%
Lower than 59% of region (sa4) areas.
- 2011: 12.7%
- 2016: 13.9%
- 2021: 15.6%
Share of the population aged 65 years and over.
19.6% ▼ -2.3%
Higher than 77% of region (sa4) areas.
- 2011: 20.0%
- 2016: 19.8%
- 2021: 19.6%
Share of the population aged under 15 years.
Age structure
View on map →Perth - South West splits fairly evenly between Young adults (25–44) (28%) and Older adults (45–64) (25%), with Children (0–14) at 20%.
Identity & relationships
First Nations identity and marital status.
People in de facto relationships make up 12.3% of the population, which is about the same as the national figure. Residents identifying as Aboriginal and Torres Strait Islander account for 2.1%, a little below the state and national proportions.
2.1% ▲ +35.6%
Lower than 63% of region (sa4) areas.
- 2011: 1.6%
- 2016: 1.7%
- 2021: 2.1%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
12.3% ▲ +15.9%
Higher than 51% of region (sa4) areas.
- 2011: 10.6%
- 2016: 11.6%
- 2021: 12.3%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Perth - South West, the largest group is Married at 47%, followed by Never married (36%) and Divorced (9%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Perth - South West
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Perth - South West [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa4/507/perth-south-west/topic/demographics-identity