2159, NSW · Postcode

Demographics & Identity in 2159, NSW

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

A noticeably older population shapes daily life in postcode 2159, where the typical resident is 46. This is far older than the national figure of 38, contributing to a community that has aged by four years since 2011.

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📍 2159, NSW, Postcode

Where 2159, NSW sits — Total population

5,148 ▲ +13.1%
  • 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 2159, NSW — higher than 55% of areas.

Total population compared with the state and national average
2159, NSW5,148
Hornsby 151,811
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The total population grew by 13% since 2011 to reach 5,148 people. This is larger than about 56% of similar areas.

5,148 ▲ +13.1%

Higher than 55% of postcode areas.

  • 2011: 4,550
  • 2016: 4,975
  • 2021: 5,148

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

46 yrs ▲ +9.5%

Older than 67% of postcode areas.

  • 2011: 42 yrs
  • 2016: 44 yrs
  • 2021: 46 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 23.1% of the area, which is well above the national figure of 17.2%. In contrast, the 17.2% of children under 15 is about the same as the state and national averages.

23.1% ▲ +33.2%

Higher than 68% of postcode areas.

  • 2011: 17.3%
  • 2016: 20.9%
  • 2021: 23.1%

Share of the population aged 65 years and over.

17.2% ▼ -9.3%

Lower than 51% of postcode areas.

  • 2011: 19.0%
  • 2016: 19.1%
  • 2021: 17.2%

Share of the population aged under 15 years.

Age structure

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In 2159, NSW, the largest group is Older adults (45–64) at 29%, followed by Seniors (65+) (23%) and Young adults (25–44) (18%).

Identity & relationships

First Nations identity and marital status.

Marriage is common here at 56.1%, while those in de facto relationships make up 6.7%, a figure well below the national average of 11.5%. Aboriginal and Torres Strait Islander people account for 1.1%, which is a little below the New South Wales figure.

1.1% ▲ +189.7%

Lower than 70% of postcode areas.

  • 2011: 0.4%
  • 2016: 0.7%
  • 2021: 1.1%

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

6.7% ▲ +40.7%

Lower than 92% of postcode areas.

  • 2011: 4.8%
  • 2016: 6.5%
  • 2021: 6.7%

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

Marital status

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In 2159, NSW, Married is the majority at 56%; Never married is next at 28%.

Age & sex structure

  • 85+: 85+: 60 males; 85+: 117 females
  • 80–84: 80–84: 84 males; 80–84: 88 females
  • 75–79: 75–79: 125 males; 75–79: 121 females
  • 70–74: 70–74: 147 males; 70–74: 140 females
  • 65–69: 65–69: 143 males; 65–69: 165 females
  • 60–64: 60–64: 182 males; 60–64: 184 females
  • 55–59: 55–59: 184 males; 55–59: 194 females
  • 50–54: 50–54: 179 males; 50–54: 193 females
  • 45–49: 45–49: 170 males; 45–49: 197 females
  • 40–44: 40–44: 129 males; 40–44: 151 females
  • 35–39: 35–39: 121 males; 35–39: 119 females
  • 30–34: 30–34: 108 males; 30–34: 113 females
  • 25–29: 25–29: 109 males; 25–29: 107 females
  • 20–24: 20–24: 135 males; 20–24: 115 females
  • 15–19: 15–19: 200 males; 15–19: 193 females
  • 10–14: 10–14: 198 males; 10–14: 185 females
  • 5–9: 5–9: 162 males; 5–9: 126 females
  • 0–4: 0–4: 118 males; 0–4: 97 females

Sources

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

More for 2159, NSW

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 2159, NSW [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA2159/2159-nsw/topic/demographics-identity