2126, NSW · Postcode

Demographics & Identity in 2126, NSW

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

A typical resident in postcode 2126 is 43, making the area noticeably older than the national average. With a population of 19,082, it is larger than about 83% of similar areas. The community is leaning further into this trend, as the population has aged by 3 years since 2011.

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📍 2126, NSW, Postcode

Where 2126, NSW sits — Total population

19,082 ▲ +1.6%
  • 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 2126, NSW — higher than 82% of areas.

Total population compared with the state and national average
2126, NSW19,082
Hornsby 151,811
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by 1.6% since 2011, adding about 304 people. Residents are generally older than those in New South Wales and across Australia.

19,082 ▲ +1.6%

Higher than 82% of postcode areas.

  • 2011: 18,778
  • 2016: 18,765
  • 2021: 19,082

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

43 yrs ▲ +7.5%

Older than 52% of postcode areas.

  • 2011: 40 yrs
  • 2016: 42 yrs
  • 2021: 43 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 now make up 18.9% of the area, a rise of 6.4 percentage points since 2011. Children under 15 make up 18.4% of the population, which is about the same as the state and national figures.

18.9% ▲ +50.9%

Lower than 54% of postcode areas.

  • 2011: 12.5%
  • 2016: 15.5%
  • 2021: 18.9%

Share of the population aged 65 years and over.

18.4% ▼ -2.5%

Higher than 63% of postcode areas.

  • 2011: 18.9%
  • 2016: 18.3%
  • 2021: 18.4%

Share of the population aged under 15 years.

Age structure

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In 2126, NSW, the largest group is Older adults (45–64) at 29%, followed by Young adults (25–44) (21%) and Seniors (65+) (19%).

Identity & relationships

First Nations identity and marital status.

Married people make up 63.5% of the area, while those in de facto relationships are at 2.9%, which is well below the national figure. Only 0.4% of residents identify as Aboriginal and Torres Strait Islander, a figure much lower than most areas.

2.9% ▲ +37.5%

Lower than 99% of postcode areas.

  • 2011: 2.1%
  • 2016: 2.5%
  • 2021: 2.9%

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

Marital status

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In 2126, NSW, Married is the majority at 63%; Never married is next at 26%.

Age & sex structure

  • 85+: 85+: 194 males; 85+: 325 females
  • 80–84: 80–84: 169 males; 80–84: 230 females
  • 75–79: 75–79: 298 males; 75–79: 317 females
  • 70–74: 70–74: 445 males; 70–74: 483 females
  • 65–69: 65–69: 554 males; 65–69: 580 females
  • 60–64: 60–64: 601 males; 60–64: 676 females
  • 55–59: 55–59: 643 males; 55–59: 716 females
  • 50–54: 50–54: 657 males; 50–54: 711 females
  • 45–49: 45–49: 705 males; 45–49: 738 females
  • 40–44: 40–44: 670 males; 40–44: 780 females
  • 35–39: 35–39: 496 males; 35–39: 611 females
  • 30–34: 30–34: 324 males; 30–34: 373 females
  • 25–29: 25–29: 381 males; 25–29: 292 females
  • 20–24: 20–24: 605 males; 20–24: 512 females
  • 15–19: 15–19: 829 males; 15–19: 660 females
  • 10–14: 10–14: 832 males; 10–14: 740 females
  • 5–9: 5–9: 656 males; 5–9: 586 females
  • 0–4: 0–4: 361 males; 0–4: 340 females

Sources

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

More for 2126, NSW

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 2126, NSW [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA2126/2126-nsw/topic/demographics-identity