Crystal Brook · Suburb / Locality

Demographics & Identity in Crystal Brook

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

A typical resident in Crystal Brook is 49, making the area far older than both the state and national averages. This gap is driven by a very high proportion of seniors, though the town still supports a healthy number of children.

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📍 Crystal Brook, Suburb / Locality

Where Crystal Brook sits — Total population

1,537 ▲ +2.7%
  • 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 76% of areas.

Total population compared with the state and national average
Crystal Brook1,537
5523, SA 1,944
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

Crystal Brook has 1,537 residents, which is larger than about 78% of similar areas. The typical person living here is 49, which is far older than the typical Australian.

1,537 ▲ +2.7%

Higher than 76% of suburb / locality areas.

  • 2011: 1,497
  • 2016: 1,515
  • 2021: 1,537

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

49 yrs ▲ +4.3%

Older than 67% of suburb / locality areas.

  • 2011: 47 yrs
  • 2016: 48 yrs
  • 2021: 49 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 29.3% of the population, a figure far above the national average. At the same time, children under 15 account for 19.6% of residents, which is a little above the state figure.

29.3% ▲ +17.1%

Higher than 86% of suburb / locality areas.

  • 2011: 25.1%
  • 2016: 26.1%
  • 2021: 29.3%

Share of the population aged 65 years and over.

19.6% ▲ +7.7%

Higher than 68% of suburb / locality areas.

  • 2011: 18.2%
  • 2016: 18.8%
  • 2021: 19.6%

Share of the population aged under 15 years.

Age structure

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In Crystal Brook, the largest group is Seniors (65+) at 29%, followed by Older adults (45–64) (24%) and Young adults (25–44) (21%).

Identity & relationships

First Nations identity and marital status.

About 2.4% of people identify as Aboriginal or Torres Strait Islander, which is about the same as the state average. Most residents are married (52.6%), while those in de facto relationships make up 8.7%, a figure much lower than most areas.

2.4% ▲ +6.2%

Higher than 55% of suburb / locality areas.

  • 2011: 2.3%
  • 2016: 2.3%
  • 2021: 2.4%

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

8.7% ▼ -2.7%

Lower than 75% of suburb / locality areas.

  • 2011: 8.9%
  • 2016: 8.4%
  • 2021: 8.7%

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 53%; Never married is next at 26%.

Age & sex structure

  • 85+: 85+: 38 males; 85+: 38 females
  • 80–84: 80–84: 26 males; 80–84: 37 females
  • 75–79: 75–79: 43 males; 75–79: 53 females
  • 70–74: 70–74: 57 males; 70–74: 57 females
  • 65–69: 65–69: 51 males; 65–69: 56 females
  • 60–64: 60–64: 53 males; 60–64: 58 females
  • 55–59: 55–59: 51 males; 55–59: 54 females
  • 50–54: 50–54: 42 males; 50–54: 55 females
  • 45–49: 45–49: 19 males; 45–49: 36 females
  • 40–44: 40–44: 39 males; 40–44: 31 females
  • 35–39: 35–39: 46 males; 35–39: 45 females
  • 30–34: 30–34: 41 males; 30–34: 34 females
  • 25–29: 25–29: 39 males; 25–29: 33 females
  • 20–24: 20–24: 27 males; 20–24: 22 females
  • 15–19: 15–19: 26 males; 15–19: 35 females
  • 10–14: 10–14: 53 males; 10–14: 64 females
  • 5–9: 5–9: 38 males; 5–9: 64 females
  • 0–4: 0–4: 45 males; 0–4: 38 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/SAL40331/crystal-brook/topic/demographics-identity