Crystal Brook · Suburb / Locality

Demographics & Identity in Crystal Brook

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

A population of 237 people now calls Crystal Brook home, with a demographic profile that stands out for its youth. The area is much younger than most similar places, with a high proportion of children and very few seniors. This creates a distinct community balance compared to the rest of the state.

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📍 Crystal Brook, Suburb / Locality

Where Crystal Brook sits — Total population

237
  • 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 Crystal Brook — higher than 57% of areas.

Total population compared with the state and national average
Crystal Brook237
4800, QLD 10,081
Queensland 5,156,138
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 38 years old, which is about the same as the Queensland and Australian figures.

237

Higher than 57% of suburb / locality areas.

  • 2016: 183
  • 2021: 237

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

38 yrs

Younger than 77% of suburb / locality areas.

  • 2016: 37 yrs
  • 2021: 38 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 24.9% of the population, a figure well above the national average. This helps explain why the area is much younger than most, with seniors aged 65 and over making up only 11.8% of residents.

11.8%

Lower than 78% of suburb / locality areas.

  • 2016: 12.0%
  • 2021: 11.8%

Share of the population aged 65 years and over.

24.9%

Higher than 88% of suburb / locality areas.

  • 2016: 24.0%
  • 2021: 24.9%

Share of the population aged under 15 years.

Age structure

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

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people represent 7.6% of the population, which is well above the national figure. De facto relationships are also more common here at 14.1%, slightly above the state and national rates.

14.1%

Higher than 64% of suburb / locality areas.

  • 2016: 14.8%
  • 2021: 14.1%

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

Marital status

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In Crystal Brook, Married is the majority at 54%; Never married is next at 29%.

Age & sex structure

  • 85+: 85+: 0 males; 85+: 0 females
  • 80–84: 80–84: 0 males; 80–84: 0 females
  • 75–79: 75–79: 7 males; 75–79: 0 females
  • 70–74: 70–74: 7 males; 70–74: 10 females
  • 65–69: 65–69: 3 males; 65–69: 6 females
  • 60–64: 60–64: 7 males; 60–64: 8 females
  • 55–59: 55–59: 6 males; 55–59: 10 females
  • 50–54: 50–54: 6 males; 50–54: 9 females
  • 45–49: 45–49: 5 males; 45–49: 4 females
  • 40–44: 40–44: 4 males; 40–44: 3 females
  • 35–39: 35–39: 11 males; 35–39: 10 females
  • 30–34: 30–34: 12 males; 30–34: 6 females
  • 25–29: 25–29: 3 males; 25–29: 5 females
  • 20–24: 20–24: 3 males; 20–24: 4 females
  • 15–19: 15–19: 11 males; 15–19: 5 females
  • 10–14: 10–14: 6 males; 10–14: 14 females
  • 5–9: 5–9: 19 males; 5–9: 6 females
  • 0–4: 0–4: 14 males; 0–4: 9 females

Sources

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

More for Crystal Brook

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Crystal Brook [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL30762/crystal-brook/topic/demographics-identity