32,242 ▲ +81.1%
Lower than 76% of sub-region (sa3) areas.
- 2011: 17,805
- 2016: 26,873
- 2021: 32,242
The number of people who usually live in the area, counted on Census night.
Serpentine - Jarrahdale · Sub-region (SA3)
Who lives here — how many people, how old they are, and how communities identify.
A massive 81% population jump since 2011 has seen Serpentine - Jarrahdale grow to 32,242 people. It is a notably young place where the typical resident is just 34, making it much younger than most similar areas. This youthfulness is driven by a very high number of children and families.
All sub-region (sa3) areas, 2021. The marker is Serpentine - Jarrahdale — lower than 76% of areas.
| Serpentine - Jarrahdale | 32,242 |
|---|---|
| Greater Perth | 2,116,647 |
| Western Australia | 2,660,026 |
| Australia | 25,422,788 |
How many people, and the typical age.
The population grew by 14,437 people since 2011, and the typical age of residents is now 34. This is noticeably younger than both the Western Australian and national figure of 38.
32,242 ▲ +81.1%
Lower than 76% of sub-region (sa3) areas.
The number of people who usually live in the area, counted on Census night.
34 yrs ▼ -2.9%
Younger than 89% of sub-region (sa3) areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Children under 15 make up 24.9% of the population, which is well above the national figure of 18.2%. In contrast, seniors aged 65 and over are much less common here at 10.3%, well below the state average of 16.1%.
10.3% ▲ +14.3%
Lower than 90% of sub-region (sa3) areas.
Share of the population aged 65 years and over.
24.9% ▲ +6.0%
Higher than 99% of sub-region (sa3) areas.
Share of the population aged under 15 years.
In Serpentine - Jarrahdale, the largest group is Young adults (25–44) at 30%, followed by Children (0–14) (25%) and Older adults (45–64) (23%).
First Nations identity and marital status.
Around 14.9% of residents are in a de facto relationship, which is well above the Australian figure of 11.5%. Meanwhile, 2.9% of the population is Aboriginal and Torres Strait Islander, which is about the same as the state and national figures.
2.9% ▲ +98.4%
Higher than 52% of sub-region (sa3) areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
14.9% ▲ +16.1%
Higher than 83% of sub-region (sa3) areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Serpentine - Jarrahdale, Married is the majority at 51%; Never married is next at 35%.
Australian Bureau of Statistics. (2021). Demographics & Identity in Serpentine - Jarrahdale [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/50606/serpentine-jarrahdale/topic/demographics-identity