Serpentine · Urban Centre

Demographics & Identity in Serpentine

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

More than half of the 1,485 people living in Serpentine are married, making it a community largely defined by established couples. While the population shrank by about 10% since 2011, it remains larger than about 67% of similar areas.

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📍 Serpentine, Urban Centre

Where Serpentine sits — Total population

1,485 ▼ -10.1%
  • 1–2: 3 areas
  • 2–3: 0 areas
  • 3–5: 0 areas
  • 5–9: 0 areas
  • 9–16: 2 areas
  • 16–27: 1 area
  • 27–47: 2 areas
  • 47–81: 2 areas
  • 81–139: 14 areas
  • 139–241: 145 areas
  • 241–418: 340 areas
  • 418–723: 351 areas
  • 723–1,252: 304 areas
  • 1,252–2,168: 191 areas
  • 2,168–3,752: 181 areas
  • 3,752–6,495: 107 areas
  • 6,495–11,242: 69 areas
  • 11,242–19,459: 44 areas
  • 19,459–33,683: 31 areas
  • 33,683–58,304: 17 areas
  • 58,304–100,921: 8 areas
  • 100,921–174,689: 8 areas
  • 174,689–302,378: 4 areas
  • 302,378–523,401: 5 areas
  • 523,401–905,982: 2 areas
  • 905,982–1,568,210: 1 area
  • 1,568,210–2,714,494: 2 areas
  • 2,714,494–4,698,656: 2 areas

All urban centre areas, 2021. The marker is Serpentine — higher than 65% of areas.

Total population compared with the state and national average
Serpentine1,485
6125, WA 3,622
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is now 39, which is 10 years older than the usual resident back in 2011. This is a little older than the typical person in Western Australia and across the country.

1,485 ▼ -10.1%

Higher than 65% of urban centre areas.

  • 2011: 1,651
  • 2016: 2,269
  • 2021: 1,485

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

39 yrs ▲ +34.5%

Younger than 71% of urban centre areas.

  • 2011: 29 yrs
  • 2016: 40 yrs
  • 2021: 39 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 21.1% of the population, which is much higher than most areas. Meanwhile, the proportion of seniors aged 65 and over is 11.3%, well below the national figure.

11.3% ▲ +593.0%

Lower than 86% of urban centre areas.

  • 2011: 1.6%
  • 2016: 18.5%
  • 2021: 11.3%

Share of the population aged 65 years and over.

21.1% ▼ -27.1%

Higher than 75% of urban centre areas.

  • 2011: 29.0%
  • 2016: 20.1%
  • 2021: 21.1%

Share of the population aged under 15 years.

Age structure

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In Serpentine, the largest group is Older adults (45–64) at 31%, followed by Young adults (25–44) (23%) and Children (0–14) (21%).

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 2.7% of the population, down 16 points since 2011. Those in de facto relationships account for 12.6%, which is about the same as the state average.

2.7% ▼ -85.3%

Lower than 68% of urban centre areas.

  • 2011: 18.4%
  • 2016: 2.6%
  • 2021: 2.7%

Share of people who identify as Aboriginal and/or Torres Strait Islander.

12.6% ▼ -46.0%

Lower than 56% of urban centre areas.

  • 2011: 23.3%
  • 2016: 13.5%
  • 2021: 12.6%

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

Marital status

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In Serpentine, Married is the majority at 55%; Never married is next at 31%.

Age & sex structure

  • 85+: 85+: 5 males; 85+: 3 females
  • 80–84: 80–84: 4 males; 80–84: 4 females
  • 75–79: 75–79: 12 males; 75–79: 12 females
  • 70–74: 70–74: 34 males; 70–74: 28 females
  • 65–69: 65–69: 25 males; 65–69: 27 females
  • 60–64: 60–64: 49 males; 60–64: 46 females
  • 55–59: 55–59: 50 males; 55–59: 54 females
  • 50–54: 50–54: 81 males; 50–54: 52 females
  • 45–49: 45–49: 69 males; 45–49: 60 females
  • 40–44: 40–44: 37 males; 40–44: 54 females
  • 35–39: 35–39: 44 males; 35–39: 59 females
  • 30–34: 30–34: 50 males; 30–34: 37 females
  • 25–29: 25–29: 39 males; 25–29: 40 females
  • 20–24: 20–24: 38 males; 20–24: 40 females
  • 15–19: 15–19: 61 males; 15–19: 49 females
  • 10–14: 10–14: 66 males; 10–14: 40 females
  • 5–9: 5–9: 49 males; 5–9: 47 females
  • 0–4: 0–4: 63 males; 0–4: 45 females

Sources

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

More for Serpentine

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Serpentine [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/ucl/UCL515032/serpentine/topic/demographics-identity