Southern Brook · Suburb / Locality

Demographics & Identity in Southern Brook

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

A small population of 91 people lives in Southern Brook, where the age profile has shifted towards a much younger feel. While the typical resident is 42, the area now has a very high proportion of children compared to the rest of the country.

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📍 Southern Brook, Suburb / Locality

Where Southern Brook sits — Total population

91 ▼ -52.8%
  • 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 Southern Brook — lower than 61% of areas.

Total population compared with the state and national average
Southern Brook91
6401, WA 8,283
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

With 91 residents, Southern Brook is smaller than about 60% of similar areas. The typical person here is 42, which is noticeably older than the national figure of 38.

91 ▼ -52.8%

Lower than 61% of suburb / locality areas.

  • 2011: 193
  • 2016: 77
  • 2021: 91

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

42 yrs ▼ -8.7%

Younger than 62% of suburb / locality areas.

  • 2011: 46 yrs
  • 2016: 41 yrs
  • 2021: 42 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 29.7% of the population, which is far above the Australian figure of 18.2%. This high number of children helps explain why the proportion of seniors is so low at just 8.8%, well below the national average.

8.8% ▼ -29.3%

Lower than 87% of suburb / locality areas.

  • 2011: 12.4%
  • 2016: 7.8%
  • 2021: 8.8%

Share of the population aged 65 years and over.

29.7% ▲ +46.8%

Higher than 94% of suburb / locality areas.

  • 2011: 20.2%
  • 2016: 29.9%
  • 2021: 29.7%

Share of the population aged under 15 years.

Age structure

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In Southern Brook, the largest group is Older adults (45–64) at 38%, followed by Children (0–14) (28%) and Young adults (25–44) (15%).

Identity & relationships

First Nations identity and marital status.

No one here identifies as Aboriginal or Torres Strait Islander, a figure well below the national average of 3.2%. Most residents are married (66.7%), while those in de facto relationships are far below the state and national figures.

0.0% → —

Lower than 99% of suburb / locality areas.

  • 2011: 0.0%
  • 2016: 0.0%
  • 2021: 0.0%

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

0.0% ▼ -100.0%

Lower than 99% of suburb / locality areas.

  • 2011: 11.3%
  • 2016: 0.0%
  • 2021: 0.0%

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

Marital status

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In Southern Brook, Married is the majority at 68%; Never married is next at 21%.

Age & sex structure

  • 85+: 85+: 0 males; 85+: 0 females
  • 80–84: 80–84: 0 males; 80–84: 0 females
  • 75–79: 75–79: 0 males; 75–79: 0 females
  • 70–74: 70–74: 0 males; 70–74: 0 females
  • 65–69: 65–69: 5 males; 65–69: 0 females
  • 60–64: 60–64: 5 males; 60–64: 7 females
  • 55–59: 55–59: 7 males; 55–59: 0 females
  • 50–54: 50–54: 4 males; 50–54: 4 females
  • 45–49: 45–49: 0 males; 45–49: 4 females
  • 40–44: 40–44: 5 males; 40–44: 6 females
  • 35–39: 35–39: 3 males; 35–39: 3 females
  • 30–34: 30–34: 0 males; 30–34: 0 females
  • 25–29: 25–29: 0 males; 25–29: 0 females
  • 20–24: 20–24: 0 males; 20–24: 0 females
  • 15–19: 15–19: 6 males; 15–19: 0 females
  • 10–14: 10–14: 5 males; 10–14: 3 females
  • 5–9: 5–9: 0 males; 5–9: 5 females
  • 0–4: 0–4: 0 males; 0–4: 7 females

Sources

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

More for Southern Brook

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Southern Brook [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL51392/southern-brook/topic/demographics-identity