Blackheath · Suburb / Locality

Demographics & Identity in Blackheath

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

A typical resident in Blackheath is far older than those in the rest of the country, with a typical age of 53. This makes the area significantly older than both the state and national figures. With 4,672 people, it is larger than about 89% of similar areas.

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📍 Blackheath, Suburb / Locality

Where Blackheath sits — Total population

4,672
  • 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 Blackheath — higher than 86% of areas.

Total population compared with the state and national average
Blackheath4,672
2785, NSW 4,822
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The typical age here is 53, which is far older than the national figure of 38. This population of 4,672 is larger than about 89% of similar areas.

4,672

Higher than 86% of suburb / locality areas.

  • 2016: 4,396
  • 2021: 4,672

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

53 yrs

Older than 80% of suburb / locality areas.

  • 2016: 51 yrs
  • 2021: 53 yrs

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

Age profile

How the population splits across age groups.

Blackheath has a very high proportion of seniors, with 29.7% aged 65 and over, which is far above the 17.2% national figure. This helps explain why children under 15 make up only 13.8% of the population, well below the national average.

29.7%

Higher than 86% of suburb / locality areas.

  • 2016: 25.9%
  • 2021: 29.7%

Share of the population aged 65 years and over.

13.8%

Lower than 71% of suburb / locality areas.

  • 2016: 15.5%
  • 2021: 13.8%

Share of the population aged under 15 years.

Age structure

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Blackheath splits fairly evenly between Older adults (45–64) (32%) and Seniors (65+) (30%), with Young adults (25–44) at 19%.

Identity & relationships

First Nations identity and marital status.

People in de facto relationships make up 16.5% of the population, which is well above the national figure of 11.5%. Meanwhile, 2.2% of residents identify as Aboriginal and Torres Strait Islander, which is about the same as the national figure.

16.5%

Higher than 77% of suburb / locality areas.

  • 2016: 14.8%
  • 2021: 16.5%

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

Marital status

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Blackheath splits fairly evenly between Married (40%) and Never married (35%), with Divorced at 15%.

Age & sex structure

  • 85+: 85+: 38 males; 85+: 74 females
  • 80–84: 80–84: 82 males; 80–84: 89 females
  • 75–79: 75–79: 118 males; 75–79: 166 females
  • 70–74: 70–74: 183 males; 70–74: 222 females
  • 65–69: 65–69: 202 males; 65–69: 208 females
  • 60–64: 60–64: 199 males; 60–64: 225 females
  • 55–59: 55–59: 212 males; 55–59: 211 females
  • 50–54: 50–54: 151 males; 50–54: 174 females
  • 45–49: 45–49: 139 males; 45–49: 176 females
  • 40–44: 40–44: 124 males; 40–44: 136 females
  • 35–39: 35–39: 122 males; 35–39: 120 females
  • 30–34: 30–34: 118 males; 30–34: 110 females
  • 25–29: 25–29: 69 males; 25–29: 78 females
  • 20–24: 20–24: 49 males; 20–24: 47 females
  • 15–19: 15–19: 95 males; 15–19: 98 females
  • 10–14: 10–14: 147 males; 10–14: 113 females
  • 5–9: 5–9: 123 males; 5–9: 113 females
  • 0–4: 0–4: 68 males; 0–4: 83 females

Sources

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

More for Blackheath

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Blackheath [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL10392/blackheath/topic/demographics-identity