6124, WA · Postcode

Demographics & Identity in 6124, WA

Who lives here — how many people, how old they are, and how communities identify.

More than one in five residents in postcode 6124 are children under 15, a figure well above the national average. This area has a population of 1,205 people and is noticeably older than the rest of Western Australia, with the typical resident now 43 years old.

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📍 6124, WA, Postcode

Where 6124, WA sits — Total population

1,205 ▲ +11.4%
  • 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 6124, WA — lower than 68% of areas.

Total population compared with the state and national average
6124, WA1,205
Serpentine-Jarrahdale 32,173
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by 11% since 2011, adding about 123 people. However, the area remains smaller than about 66% of similar places.

1,205 ▲ +11.4%

Lower than 68% of postcode areas.

  • 2011: 1,082
  • 2016: 1,192
  • 2021: 1,205

The number of people who usually live in the area, counted on Census night.

43 yrs ▲ +7.5%

Older than 52% of postcode areas.

  • 2011: 40 yrs
  • 2016: 42 yrs
  • 2021: 43 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 21.6% of the population, which is much higher than most areas. In contrast, the proportion of people aged 65 and over is much lower than most areas at 15.1%.

15.1% ▲ +21.1%

Lower than 75% of postcode areas.

  • 2011: 12.5%
  • 2016: 13.8%
  • 2021: 15.1%

Share of the population aged 65 years and over.

21.6% ▼ -5.1%

Higher than 87% of postcode areas.

  • 2011: 22.7%
  • 2016: 21.3%
  • 2021: 21.6%

Share of the population aged under 15 years.

Age structure

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In 6124, WA, the largest group is Older adults (45–64) at 33%, followed by Young adults (25–44) (22%) and Children (0–14) (22%).

Identity & relationships

First Nations identity and marital status.

A higher proportion of people are in de facto relationships compared to most areas, sitting at 14.7%. About 2.0% of the population identifies as Aboriginal and Torres Strait Islander, which is around the middle for its level.

14.7% ▲ +12.4%

Higher than 74% of postcode areas.

  • 2011: 13.1%
  • 2016: 12.8%
  • 2021: 14.7%

Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).

Marital status

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In 6124, WA, Married is the majority at 53%; Never married is next at 29%.

Age & sex structure

  • 85+: 85+: 8 males; 85+: 11 females
  • 80–84: 80–84: 9 males; 80–84: 10 females
  • 75–79: 75–79: 21 males; 75–79: 21 females
  • 70–74: 70–74: 24 males; 70–74: 17 females
  • 65–69: 65–69: 29 males; 65–69: 31 females
  • 60–64: 60–64: 55 males; 60–64: 35 females
  • 55–59: 55–59: 55 males; 55–59: 52 females
  • 50–54: 50–54: 66 males; 50–54: 60 females
  • 45–49: 45–49: 39 males; 45–49: 42 females
  • 40–44: 40–44: 30 males; 40–44: 44 females
  • 35–39: 35–39: 37 males; 35–39: 43 females
  • 30–34: 30–34: 20 males; 30–34: 33 females
  • 25–29: 25–29: 26 males; 25–29: 23 females
  • 20–24: 20–24: 18 males; 20–24: 24 females
  • 15–19: 15–19: 28 males; 15–19: 41 females
  • 10–14: 10–14: 53 males; 10–14: 39 females
  • 5–9: 5–9: 42 males; 5–9: 50 females
  • 0–4: 0–4: 45 males; 0–4: 30 females

Sources

  • Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).

More for 6124, WA

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 6124, WA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA6124/6124-wa/topic/demographics-identity