Castlecrag · Suburb / Locality

Demographics & Identity in Castlecrag

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

A typical resident in Castlecrag is 47, making the area far older than both New South Wales and the national average. This older profile is reflected in the age structure, where over half of the 2,965 residents are aged 45 or over.

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📍 Castlecrag, Suburb / Locality

Where Castlecrag sits — Total population

2,965 ▲ +0.3%
  • 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 Castlecrag — higher than 84% of areas.

Total population compared with the state and national average
Castlecrag2,965
2068, NSW 17,450
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The population is larger than about 84% of similar areas. It is an older community, with the typical age sitting 9 years above the Australian figure.

2,965 ▲ +0.3%

Higher than 84% of suburb / locality areas.

  • 2011: 2,957
  • 2016: 2,939
  • 2021: 2,965

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

47 yrs ▲ +11.9%

Older than 57% of suburb / locality areas.

  • 2011: 42 yrs
  • 2016: 43 yrs
  • 2021: 47 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 19.3% of the population, which is a little above the state and national figures. Children under 15 account for 18.2%, a figure about the same as the rest of the country.

19.3% ▲ +40.1%

Higher than 53% of suburb / locality areas.

  • 2011: 13.8%
  • 2016: 16.3%
  • 2021: 19.3%

Share of the population aged 65 years and over.

18.2% ▼ -23.6%

Higher than 58% of suburb / locality areas.

  • 2011: 23.8%
  • 2016: 22.4%
  • 2021: 18.2%

Share of the population aged under 15 years.

Age structure

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In Castlecrag, the largest group is Older adults (45–64) at 34%, followed by Seniors (65+) (19%) and Children (0–14) (18%).

Identity & relationships

First Nations identity and marital status.

Married couples are common here at 61.3%, while those in de facto relationships are much lower than most areas at 5.5%. Only 0.1% of the population identifies as Aboriginal or Torres Strait Islander, which is well below the national average.

0.1% ▲ —

Lower than 70% of suburb / locality areas.

  • 2011: 0.0%
  • 2016: 0.2%
  • 2021: 0.1%

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

5.5% ▲ +37.3%

Lower than 88% of suburb / locality areas.

  • 2011: 4.0%
  • 2016: 4.9%
  • 2021: 5.5%

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

Marital status

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In Castlecrag, Married is the majority at 61%; Never married is next at 29%.

Age & sex structure

  • 85+: 85+: 26 males; 85+: 35 females
  • 80–84: 80–84: 28 males; 80–84: 26 females
  • 75–79: 75–79: 47 males; 75–79: 45 females
  • 70–74: 70–74: 99 males; 70–74: 80 females
  • 65–69: 65–69: 78 males; 65–69: 92 females
  • 60–64: 60–64: 108 males; 60–64: 103 females
  • 55–59: 55–59: 109 males; 55–59: 129 females
  • 50–54: 50–54: 153 males; 50–54: 152 females
  • 45–49: 45–49: 115 males; 45–49: 131 females
  • 40–44: 40–44: 79 males; 40–44: 93 females
  • 35–39: 35–39: 39 males; 35–39: 59 females
  • 30–34: 30–34: 28 males; 30–34: 29 females
  • 25–29: 25–29: 42 males; 25–29: 21 females
  • 20–24: 20–24: 95 males; 20–24: 79 females
  • 15–19: 15–19: 164 males; 15–19: 125 females
  • 10–14: 10–14: 129 males; 10–14: 145 females
  • 5–9: 5–9: 85 males; 5–9: 83 females
  • 0–4: 0–4: 51 males; 0–4: 48 females

Sources

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

More for Castlecrag

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Castlecrag [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL10848/castlecrag/topic/demographics-identity