South Boulder · Suburb / Locality

Demographics & Identity in South Boulder

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

A huge 22.1% of people in South Boulder identify as Aboriginal and Torres Strait Islander, which is far above the national figure. This is a noticeably young area where the typical resident is 35. The population has grown to 1,506 people, making it larger than about 78% of similar areas.

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📍 South Boulder, Suburb / Locality

Where South Boulder sits — Total population

1,506 ▲ +2.9%
  • 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 South Boulder — higher than 76% of areas.

Total population compared with the state and national average
South Boulder1,506
6432, WA 7,150
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 35, which is noticeably younger than the state and national figure of 38 years.

1,506 ▲ +2.9%

Higher than 76% of suburb / locality areas.

  • 2011: 1,463
  • 2016: 1,375
  • 2021: 1,506

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

35 yrs ▲ +6.1%

Younger than 86% of suburb / locality areas.

  • 2011: 33 yrs
  • 2016: 35 yrs
  • 2021: 35 yrs

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

Age profile

How the population splits across age groups.

Seniors aged 65 and over make up only 8% of the population, a figure well below the same group's 17.2% share nationally. Children under 15 account for 17% of residents, which is a little below the Australian average.

8.0% ▲ +19.9%

Lower than 88% of suburb / locality areas.

  • 2011: 6.7%
  • 2016: 8.5%
  • 2021: 8.0%

Share of the population aged 65 years and over.

17.0% ▼ -20.8%

Lower than 51% of suburb / locality areas.

  • 2011: 21.5%
  • 2016: 19.1%
  • 2021: 17.0%

Share of the population aged under 15 years.

Age structure

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South Boulder splits fairly evenly between Young adults (25–44) (31%) and Older adults (45–64) (29%), with Children (0–14) at 17%.

Identity & relationships

First Nations identity and marital status.

Relationships here differ from the state norm, with de facto partnerships at 22.2%, far above the 12.2% seen across Western Australia. Nearly half of the population, 48.4%, have never been married.

22.1% ▲ +52.6%

Higher than 93% of suburb / locality areas.

  • 2011: 14.5%
  • 2016: 16.9%
  • 2021: 22.1%

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

22.2% ▲ +4.4%

Higher than 90% of suburb / locality areas.

  • 2011: 21.3%
  • 2016: 18.5%
  • 2021: 22.2%

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

Marital status

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In South Boulder, the largest group is Never married at 48%, followed by Married (34%) and Divorced (7%).

Age & sex structure

  • 85+: 85+: 0 males; 85+: 4 females
  • 80–84: 80–84: 4 males; 80–84: 8 females
  • 75–79: 75–79: 9 males; 75–79: 7 females
  • 70–74: 70–74: 31 males; 70–74: 19 females
  • 65–69: 65–69: 30 males; 65–69: 16 females
  • 60–64: 60–64: 56 males; 60–64: 39 females
  • 55–59: 55–59: 54 males; 55–59: 48 females
  • 50–54: 50–54: 58 males; 50–54: 49 females
  • 45–49: 45–49: 81 males; 45–49: 51 females
  • 40–44: 40–44: 77 males; 40–44: 27 females
  • 35–39: 35–39: 64 males; 35–39: 40 females
  • 30–34: 30–34: 88 males; 30–34: 57 females
  • 25–29: 25–29: 73 males; 25–29: 49 females
  • 20–24: 20–24: 73 males; 20–24: 46 females
  • 15–19: 15–19: 50 males; 15–19: 48 females
  • 10–14: 10–14: 38 males; 10–14: 41 females
  • 5–9: 5–9: 50 males; 5–9: 31 females
  • 0–4: 0–4: 36 males; 0–4: 50 females

Sources

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

More for South Boulder

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in South Boulder [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL51362/south-boulder/topic/demographics-identity