St Clair · Statistical Area 2 (SA2)

Demographics & Identity in St Clair

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

A typical resident in St Clair is now four years older than they were in 2011. The area remains a large community of nearly 20,000 people, though it stays noticeably younger than the state and national averages. This is most evident in the high proportion of children and a small senior population.

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📍 St Clair, Statistical Area 2 (SA2)

Where St Clair sits — Total population

19,942 ▲ +0.5%
  • 1–1: 40 areas
  • 1–2: 0 areas
  • 2–3: 0 areas
  • 3–4: 12 areas
  • 4–6: 6 areas
  • 6–9: 9 areas
  • 9–13: 10 areas
  • 13–19: 7 areas
  • 19–27: 17 areas
  • 27–39: 6 areas
  • 39–56: 5 areas
  • 56–81: 4 areas
  • 81–116: 1 area
  • 116–168: 5 areas
  • 168–242: 3 areas
  • 242–349: 4 areas
  • 349–503: 2 areas
  • 503–725: 9 areas
  • 725–1,045: 3 areas
  • 1,045–1,506: 5 areas
  • 1,506–2,171: 31 areas
  • 2,171–3,130: 83 areas
  • 3,130–4,513: 217 areas
  • 4,513–6,507: 318 areas
  • 6,507–9,382: 402 areas
  • 9,382–13,526: 546 areas
  • 13,526–19,501: 496 areas
  • 19,501–28,116: 231 areas

All statistical area 2 (sa2) areas, 2021. The marker is St Clair — higher than 89% of areas.

Total population compared with the state and national average
St Clair19,942
2759, NSW 26,434
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

St Clair has a population of 19,942, which is among the largest for areas of this type. The typical age is 36, making it noticeably younger than the New South Wales average of 39.

19,942 ▲ +0.5%

Higher than 89% of statistical area 2 (sa2) areas.

  • 2011: 19,837
  • 2016: 19,897
  • 2021: 19,942

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

36 yrs ▲ +12.5%

Younger than 71% of statistical area 2 (sa2) areas.

  • 2011: 32 yrs
  • 2016: 34 yrs
  • 2021: 36 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 20.9% of the population, which is much higher than most areas. This is contrasted by the 65 and over group, which at 12.7% is well below the national figure of 17.2%.

12.7% ▲ +127.8%

Lower than 75% of statistical area 2 (sa2) areas.

  • 2011: 5.6%
  • 2016: 9.0%
  • 2021: 12.7%

Share of the population aged 65 years and over.

20.9% ▼ -2.0%

Higher than 78% of statistical area 2 (sa2) areas.

  • 2011: 21.4%
  • 2016: 20.8%
  • 2021: 20.9%

Share of the population aged under 15 years.

Age structure

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St Clair splits fairly evenly between Young adults (25–44) (28%) and Older adults (45–64) (26%), with Children (0–14) at 21%.

Identity & relationships

First Nations identity and marital status.

About 3.8% of the population are Aboriginal and Torres Strait Islander people, a figure that is higher than most areas. Half of the residents are married, while 10% are in a de facto relationship.

3.8% ▲ +50.5%

Higher than 69% of statistical area 2 (sa2) areas.

  • 2011: 2.6%
  • 2016: 3.0%
  • 2021: 3.8%

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

10.0% ▲ +28.0%

Lower than 73% of statistical area 2 (sa2) areas.

  • 2011: 7.8%
  • 2016: 9.2%
  • 2021: 10.0%

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

Marital status

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In St Clair, Married is the majority at 50%; Never married is next at 35%.

Age & sex structure

  • 85+: 85+: 43 males; 85+: 89 females
  • 80–84: 80–84: 90 males; 80–84: 95 females
  • 75–79: 75–79: 183 males; 75–79: 185 females
  • 70–74: 70–74: 394 males; 70–74: 354 females
  • 65–69: 65–69: 563 males; 65–69: 539 females
  • 60–64: 60–64: 666 males; 60–64: 814 females
  • 55–59: 55–59: 590 males; 55–59: 643 females
  • 50–54: 50–54: 615 males; 50–54: 576 females
  • 45–49: 45–49: 582 males; 45–49: 630 females
  • 40–44: 40–44: 665 males; 40–44: 663 females
  • 35–39: 35–39: 718 males; 35–39: 722 females
  • 30–34: 30–34: 730 males; 30–34: 755 females
  • 25–29: 25–29: 687 males; 25–29: 688 females
  • 20–24: 20–24: 620 males; 20–24: 583 females
  • 15–19: 15–19: 688 males; 15–19: 611 females
  • 10–14: 10–14: 718 males; 10–14: 702 females
  • 5–9: 5–9: 715 males; 5–9: 684 females
  • 0–4: 0–4: 698 males; 0–4: 650 females

Sources

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

More for St Clair

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in St Clair [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/124051470/st-clair/topic/demographics-identity