Serpentine - Jarrahdale · Statistical Area 2 (SA2)

Demographics & Identity in Serpentine - Jarrahdale

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

A typical age of 45 makes Serpentine - Jarrahdale noticeably older than both Western Australia and the national figure of 38. This shift is part of a wider trend, as the local population has grown by 16% to reach 4,607 people since 2011.

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📍 Serpentine - Jarrahdale, Statistical Area 2 (SA2)

Where Serpentine - Jarrahdale sits — Total population

4,607 ▲ +16.3%
  • 1–1: 40 areas
  • 1–2: 0 areas
  • 2–3: 0 areas
  • 3–4: 12 areas
  • 4–6: 6 areas
  • 6–9: 9 areas
  • 9–13: 10 areas
  • 13–19: 7 areas
  • 19–27: 17 areas
  • 27–39: 6 areas
  • 39–56: 5 areas
  • 56–81: 4 areas
  • 81–116: 1 area
  • 116–168: 5 areas
  • 168–242: 3 areas
  • 242–349: 4 areas
  • 349–503: 2 areas
  • 503–725: 9 areas
  • 725–1,045: 3 areas
  • 1,045–1,506: 5 areas
  • 1,506–2,171: 31 areas
  • 2,171–3,130: 83 areas
  • 3,130–4,513: 217 areas
  • 4,513–6,507: 318 areas
  • 6,507–9,382: 402 areas
  • 9,382–13,526: 546 areas
  • 13,526–19,501: 496 areas
  • 19,501–28,116: 231 areas

All statistical area 2 (sa2) areas, 2021. The marker is Serpentine - Jarrahdale — lower than 80% of areas.

Total population compared with the state and national average
Serpentine - Jarrahdale4,607
6124, WA 1,205
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

The area is older than most similar places, with the typical resident now 45 years old. This is a rise of 4 years since 2011.

4,607 ▲ +16.3%

Lower than 80% of statistical area 2 (sa2) areas.

  • 2011: 3,960
  • 2016: 4,416
  • 2021: 4,607

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

45 yrs ▲ +9.8%

Older than 78% of statistical area 2 (sa2) areas.

  • 2011: 41 yrs
  • 2016: 43 yrs
  • 2021: 45 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

Older adults aged 45 to 64 make up the largest group at 32.9%. Meanwhile, the share of children under 15 has fallen to 16.8%, which is a little below the national figure.

17.4% ▲ +30.2%

Higher than 50% of statistical area 2 (sa2) areas.

  • 2011: 13.3%
  • 2016: 15.5%
  • 2021: 17.4%

Share of the population aged 65 years and over.

16.8% ▼ -17.7%

Lower than 62% of statistical area 2 (sa2) areas.

  • 2011: 20.4%
  • 2016: 17.7%
  • 2021: 16.8%

Share of the population aged under 15 years.

Age structure

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In Serpentine - Jarrahdale, the largest group is Older adults (45–64) at 33%, followed by Young adults (25–44) (22%) and Seniors (65+) (17%).

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 2.9% of the population, a figure that is higher than most areas. Most residents are married (52.5%), and 13.0% are in a de facto relationship, which is a little above the Australian average.

2.9% ▲ +28.0%

Higher than 60% of statistical area 2 (sa2) areas.

  • 2011: 2.3%
  • 2016: 2.3%
  • 2021: 2.9%

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

13.0% ▲ +0.1%

Higher than 62% of statistical area 2 (sa2) areas.

  • 2011: 13.0%
  • 2016: 12.2%
  • 2021: 13.0%

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

Marital status

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In Serpentine - Jarrahdale, Married is the majority at 52%; Never married is next at 31%.

Age & sex structure

  • 85+: 85+: 26 males; 85+: 32 females
  • 80–84: 80–84: 45 males; 80–84: 58 females
  • 75–79: 75–79: 96 males; 75–79: 75 females
  • 70–74: 70–74: 128 males; 70–74: 105 females
  • 65–69: 65–69: 124 males; 65–69: 111 females
  • 60–64: 60–64: 192 males; 60–64: 162 females
  • 55–59: 55–59: 203 males; 55–59: 179 females
  • 50–54: 50–54: 249 males; 50–54: 195 females
  • 45–49: 45–49: 199 males; 45–49: 145 females
  • 40–44: 40–44: 159 males; 40–44: 133 females
  • 35–39: 35–39: 159 males; 35–39: 134 females
  • 30–34: 30–34: 142 males; 30–34: 103 females
  • 25–29: 25–29: 108 males; 25–29: 93 females
  • 20–24: 20–24: 111 males; 20–24: 103 females
  • 15–19: 15–19: 140 males; 15–19: 143 females
  • 10–14: 10–14: 153 males; 10–14: 119 females
  • 5–9: 5–9: 127 males; 5–9: 128 females
  • 0–4: 0–4: 143 males; 0–4: 89 females

Sources

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

More for Serpentine - Jarrahdale

Cite this page

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/sa2/506061144/serpentine-jarrahdale/topic/demographics-identity