2,253 ▲ +57.7%
Lower than 57% of postcode areas.
- 2011: 1,429
- 2016: 1,551
- 2021: 2,253
The number of people who usually live in the area, counted on Census night.
6123, WA · Postcode
Demographics & Identity in 6123, WA
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in postcode 6123 is just 32 years old, making this area noticeably younger than both Western Australia and the rest of the country. This youthful profile is driven by a high proportion of children and young adults, while the total population grew by 58% since 2011 to reach 2,253 people.
2,253
▲ +57.7%
- 1–2: 1 area
- 2–2: 0 areas
- 2–4: 0 areas
- 4–5: 2 areas
- 5–8: 3 areas
- 8–12: 2 areas
- 12–19: 2 areas
- 19–29: 12 areas
- 29–44: 19 areas
- 44–67: 35 areas
- 67–102: 30 areas
- 102–155: 70 areas
- 155–237: 97 areas
- 237–360: 129 areas
- 360–549: 158 areas
- 549–836: 168 areas
- 836–1,273: 181 areas
- 1,273–1,938: 179 areas
- 1,938–2,951: 157 areas
- 2,951–4,493: 179 areas
- 4,493–6,842: 176 areas
- 6,842–10,418: 210 areas
- 10,418–15,865: 268 areas
- 15,865–24,158: 254 areas
- 24,158–36,786: 182 areas
- 36,786–56,016: 93 areas
- 56,016–85,299: 28 areas
- 85,299–129,888: 8 areas
All postcode areas, 2021. The marker is 6123, WA — lower than 57% of areas.
| 6123, WA | 2,253 |
|---|---|
| Serpentine-Jarrahdale | 32,173 |
| Western Australia | 2,660,026 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population has grown by 824 people since 2011. Residents here are among the youngest in the region, with a typical age that is 6 years lower than the national figure.
32 yrs ▼ -8.6%
Younger than 95% of postcode areas.
- 2011: 35 yrs
- 2016: 36 yrs
- 2021: 32 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 24.2% of the population, which is well above the national figure of 18.2%. This high number of children helps explain why the area is so young, while the proportion of seniors is well below the state and national averages.
10.3% ▲ +22.7%
Lower than 89% of postcode areas.
- 2011: 8.4%
- 2016: 12.1%
- 2021: 10.3%
Share of the population aged 65 years and over.
24.2% ▼ -4.7%
Higher than 94% of postcode areas.
- 2011: 25.4%
- 2016: 21.1%
- 2021: 24.2%
Share of the population aged under 15 years.
Age structure
View on map →In 6123, WA, the largest group is Young adults (25–44) at 30%, followed by Children (0–14) (24%) and Older adults (45–64) (22%).
Identity & relationships
First Nations identity and marital status.
De facto relationships are much more common here than in most areas, sitting 5.7 points above the national figure. About 3.3% of residents are Aboriginal and Torres Strait Islander, a figure that has risen since 2011.
3.3% ▲ +87.9%
Higher than 62% of postcode areas.
- 2011: 1.7%
- 2016: 1.7%
- 2021: 3.3%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
17.2% ▲ +28.0%
Higher than 87% of postcode areas.
- 2011: 13.5%
- 2016: 14.3%
- 2021: 17.2%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In 6123, WA, the largest group is Married at 48%, followed by Never married (36%) and Divorced (8%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for 6123, WA
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in 6123, WA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA6123/6123-wa/topic/demographics-identity