2231, NSW · Postcode

Demographics & Identity in 2231, NSW

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

Much higher rates of children under 15 than similar areas mark the profile of postcode 2231. This is a family-heavy community where nearly a quarter of residents are children. While the total population has grown by 14% since 2011 to reach 2,528 people, the area remains notably younger than most other places in the region.

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📍 2231, NSW, Postcode

Where 2231, NSW sits — Total population

2,528 ▲ +14.2%
  • 1–2: 1 area
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–5: 2 areas
  • 5–8: 3 areas
  • 8–12: 2 areas
  • 12–19: 2 areas
  • 19–29: 12 areas
  • 29–44: 19 areas
  • 44–67: 35 areas
  • 67–102: 30 areas
  • 102–155: 70 areas
  • 155–237: 97 areas
  • 237–360: 129 areas
  • 360–549: 158 areas
  • 549–836: 168 areas
  • 836–1,273: 181 areas
  • 1,273–1,938: 179 areas
  • 1,938–2,951: 157 areas
  • 2,951–4,493: 179 areas
  • 4,493–6,842: 176 areas
  • 6,842–10,418: 210 areas
  • 10,418–15,865: 268 areas
  • 15,865–24,158: 254 areas
  • 24,158–36,786: 182 areas
  • 36,786–56,016: 93 areas
  • 56,016–85,299: 28 areas
  • 85,299–129,888: 8 areas

All postcode areas, 2021. The marker is 2231, NSW — lower than 56% of areas.

Total population compared with the state and national average
2231, NSW2,528
Sutherland Shire 230,211
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident in postcode 2231 is 38, which is a little younger than the New South Wales figure of 39. This age has ticked up slightly by one year since 2011.

2,528 ▲ +14.2%

Lower than 56% of postcode areas.

  • 2011: 2,213
  • 2016: 2,267
  • 2021: 2,528

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

38 yrs ▲ +2.7%

Younger than 76% of postcode areas.

  • 2011: 37 yrs
  • 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 23.9% of the population, a figure well above the national average of 18.2%. In contrast, the proportion of seniors aged 65 and over is much lower than most areas at 14.3%, although this group has grown since 2011.

14.3% ▲ +23.8%

Lower than 78% of postcode areas.

  • 2011: 11.6%
  • 2016: 13.2%
  • 2021: 14.3%

Share of the population aged 65 years and over.

23.9% ▲ +2.3%

Higher than 93% of postcode areas.

  • 2011: 23.3%
  • 2016: 25.4%
  • 2021: 23.9%

Share of the population aged under 15 years.

Age structure

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2231, NSW splits fairly evenly between Older adults (45–64) (26%) and Young adults (25–44) (24%), with Children (0–14) at 24%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 4.0% of the community, which is higher than most areas. Half of all residents are married, while those in de facto relationships sit at 10.6%, about the same as the state and national figures.

10.6% ▲ +1.1%

Lower than 71% of postcode areas.

  • 2011: 10.5%
  • 2016: 10.6%
  • 2021: 10.6%

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

Marital status

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In 2231, NSW, the largest group is Married at 50%, followed by Never married (34%) and Divorced (9%).

Age & sex structure

  • 85+: 85+: 13 males; 85+: 13 females
  • 80–84: 80–84: 21 males; 80–84: 25 females
  • 75–79: 75–79: 37 males; 75–79: 38 females
  • 70–74: 70–74: 46 males; 70–74: 52 females
  • 65–69: 65–69: 61 males; 65–69: 48 females
  • 60–64: 60–64: 65 males; 60–64: 74 females
  • 55–59: 55–59: 88 males; 55–59: 70 females
  • 50–54: 50–54: 74 males; 50–54: 88 females
  • 45–49: 45–49: 113 males; 45–49: 93 females
  • 40–44: 40–44: 82 males; 40–44: 105 females
  • 35–39: 35–39: 85 males; 35–39: 91 females
  • 30–34: 30–34: 74 males; 30–34: 75 females
  • 25–29: 25–29: 43 males; 25–29: 54 females
  • 20–24: 20–24: 52 males; 20–24: 62 females
  • 15–19: 15–19: 108 males; 15–19: 91 females
  • 10–14: 10–14: 106 males; 10–14: 85 females
  • 5–9: 5–9: 109 males; 5–9: 95 females
  • 0–4: 0–4: 95 males; 0–4: 96 females

Sources

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

More for 2231, NSW

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 2231, NSW [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA2231/2231-nsw/topic/demographics-identity