2073, NSW · Postcode

Demographics & Identity in 2073, NSW

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

A population larger than 81% of similar areas marks postcode 2073 as a significant residential hub. The area is generally older than the national figure, with a typical resident aged 41. It is a family-heavy region where children under 15 make up a much higher share of the population than in most other areas.

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📍 2073, NSW, Postcode

Where 2073, NSW sits — Total population

17,221 ▲ +9.4%
  • 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 2073, NSW — higher than 79% of areas.

Total population compared with the state and national average
2073, NSW17,221
Ku-ring-gai 124,076
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by 9.4% since 2011, adding about 1,485 people to reach a total of 17,221. Residents here are slightly older than those in New South Wales, with a typical age of 41.

17,221 ▲ +9.4%

Higher than 79% of postcode areas.

  • 2011: 15,736
  • 2016: 16,352
  • 2021: 17,221

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

41 yrs ▲ +2.5%

Younger than 57% of postcode areas.

  • 2011: 40 yrs
  • 2016: 40 yrs
  • 2021: 41 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 20.5% of the population, which is a little above the national figure of 18.2%. Meanwhile, people aged 65 and over account for 16.3%, a figure that is lower than most areas.

16.3% ▲ +17.1%

Lower than 70% of postcode areas.

  • 2011: 13.9%
  • 2016: 14.8%
  • 2021: 16.3%

Share of the population aged 65 years and over.

20.5% ▼ -8.0%

Higher than 80% of postcode areas.

  • 2011: 22.3%
  • 2016: 22.2%
  • 2021: 20.5%

Share of the population aged under 15 years.

Age structure

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In 2073, NSW, the largest group is Older adults (45–64) at 29%, followed by Young adults (25–44) (21%) and Children (0–14) (20%).

Identity & relationships

First Nations identity and marital status.

Marital ties are strong here, with 62.9% of people married, though those in de facto relationships are well below the national figure at 4.6%. The Aboriginal and Torres Strait Islander population is very small at 0.2%, which is among the lowest for its level.

4.6% ▲ +29.0%

Lower than 99% of postcode areas.

  • 2011: 3.6%
  • 2016: 4.0%
  • 2021: 4.6%

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

Marital status

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In 2073, NSW, Married is the majority at 63%; Never married is next at 27%.

Age & sex structure

  • 85+: 85+: 164 males; 85+: 202 females
  • 80–84: 80–84: 157 males; 80–84: 166 females
  • 75–79: 75–79: 255 males; 75–79: 273 females
  • 70–74: 70–74: 363 males; 70–74: 413 females
  • 65–69: 65–69: 396 males; 65–69: 404 females
  • 60–64: 60–64: 485 males; 60–64: 530 females
  • 55–59: 55–59: 625 males; 55–59: 618 females
  • 50–54: 50–54: 639 males; 50–54: 738 females
  • 45–49: 45–49: 593 males; 45–49: 690 females
  • 40–44: 40–44: 575 males; 40–44: 704 females
  • 35–39: 35–39: 487 males; 35–39: 586 females
  • 30–34: 30–34: 307 males; 30–34: 361 females
  • 25–29: 25–29: 315 males; 25–29: 312 females
  • 20–24: 20–24: 505 males; 20–24: 497 females
  • 15–19: 15–19: 589 males; 15–19: 739 females
  • 10–14: 10–14: 668 males; 10–14: 765 females
  • 5–9: 5–9: 645 males; 5–9: 634 females
  • 0–4: 0–4: 408 males; 0–4: 407 females

Sources

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

More for 2073, NSW

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 2073, NSW [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA2073/2073-nsw/topic/demographics-identity