Serpentine · Suburb / Locality

Demographics & Identity in Serpentine

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

A typical resident in Serpentine is 45, making this community noticeably older than the state and national figures. With a population of 2,863, the area is larger than about 84% of similar places. It is a place where more than half of the residents are married.

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📍 Serpentine, Suburb / Locality

Where Serpentine sits — Total population

2,863 ▲ +41.3%
  • 1–1: 689 areas
  • 1–2: 0 areas
  • 2–3: 119 areas
  • 3–5: 108 areas
  • 5–7: 243 areas
  • 7–11: 241 areas
  • 11–16: 514 areas
  • 16–24: 579 areas
  • 24–36: 898 areas
  • 36–53: 1059 areas
  • 53–79: 1168 areas
  • 79–117: 1203 areas
  • 117–174: 1171 areas
  • 174–258: 1010 areas
  • 258–384: 856 areas
  • 384–571: 670 areas
  • 571–850: 616 areas
  • 850–1,263: 567 areas
  • 1,263–1,879: 520 areas
  • 1,879–2,794: 590 areas
  • 2,794–4,154: 679 areas
  • 4,154–6,177: 585 areas
  • 6,177–9,186: 528 areas
  • 9,186–13,659: 405 areas
  • 13,659–20,311: 195 areas
  • 20,311–30,202: 96 areas
  • 30,202–44,910: 33 areas
  • 44,910–66,781: 10 areas

All suburb / locality areas, 2021. The marker is Serpentine — higher than 83% of areas.

Total population compared with the state and national average
Serpentine2,863
6125, WA 3,622
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

The typical person living here is 45, which is 7 years older than the usual resident in Western Australia or the rest of the country.

2,863 ▲ +41.3%

Higher than 83% of suburb / locality areas.

  • 2011: 2,026
  • 2016: 2,317
  • 2021: 2,863

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

45 yrs ▲ +9.8%

Older than 50% of suburb / locality areas.

  • 2011: 41 yrs
  • 2016: 44 yrs
  • 2021: 45 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 only 15.1% of the population, which is well below the national figure. This contributes to an older age structure, with 32.6% of residents being adults aged 45 to 64.

17.6% ▲ +21.4%

Lower than 55% of suburb / locality areas.

  • 2011: 14.5%
  • 2016: 17.4%
  • 2021: 17.6%

Share of the population aged 65 years and over.

15.1% ▼ -31.7%

Lower than 63% of suburb / locality areas.

  • 2011: 22.1%
  • 2016: 19.2%
  • 2021: 15.1%

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 33%, followed by Young adults (25–44) (24%) and Seniors (65+) (18%).

Identity & relationships

First Nations identity and marital status.

About 3.9% of people identify as Aboriginal and/or Torres Strait Islander, which is higher than most similar areas. Most of the population are married at 52%, while 11.8% are in de facto relationships, which is about the same as the state average.

3.9% ▲ +190.6%

Higher than 66% of suburb / locality areas.

  • 2011: 1.3%
  • 2016: 1.6%
  • 2021: 3.9%

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

11.8% ▼ -9.2%

Lower than 53% of suburb / locality areas.

  • 2011: 13.0%
  • 2016: 12.9%
  • 2021: 11.8%

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 52%; Never married is next at 32%.

Age & sex structure

  • 85+: 85+: 14 males; 85+: 21 females
  • 80–84: 80–84: 30 males; 80–84: 38 females
  • 75–79: 75–79: 58 males; 75–79: 41 females
  • 70–74: 70–74: 69 males; 70–74: 74 females
  • 65–69: 65–69: 82 males; 65–69: 67 females
  • 60–64: 60–64: 114 males; 60–64: 104 females
  • 55–59: 55–59: 121 males; 55–59: 97 females
  • 50–54: 50–54: 163 males; 50–54: 106 females
  • 45–49: 45–49: 150 males; 45–49: 78 females
  • 40–44: 40–44: 108 males; 40–44: 76 females
  • 35–39: 35–39: 114 males; 35–39: 78 females
  • 30–34: 30–34: 114 males; 30–34: 60 females
  • 25–29: 25–29: 77 males; 25–29: 59 females
  • 20–24: 20–24: 74 males; 20–24: 57 females
  • 15–19: 15–19: 100 males; 15–19: 84 females
  • 10–14: 10–14: 85 males; 10–14: 62 females
  • 5–9: 5–9: 72 males; 5–9: 68 females
  • 0–4: 0–4: 87 males; 0–4: 51 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/sal/SAL51339/serpentine/topic/demographics-identity