2138, NSW · Postcode

Demographics & Identity in 2138, NSW

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

Much younger residents than most similar areas define postcode 2138, where the typical person is just 34. This is a growing part of Greater Sydney, adding over 6,000 people since 2011 to reach a total population of 19,686.

Open map →
📍 2138, NSW, Postcode

Where 2138, NSW sits — Total population

19,686 ▲ +45.6%
  • 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 2138, NSW — higher than 83% of areas.

Total population compared with the state and national average
2138, NSW19,686
Canada Bay 89,177
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The population has grown 46% since 2011. Residents are noticeably younger than those in New South Wales and across Australia, though the typical age has risen by 3 years over the last decade.

19,686 ▲ +45.6%

Higher than 83% of postcode areas.

  • 2011: 13,521
  • 2016: 20,023
  • 2021: 19,686

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

34 yrs ▲ +9.7%

Younger than 90% of postcode areas.

  • 2011: 31 yrs
  • 2016: 31 yrs
  • 2021: 34 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

Young adults aged 25 to 44 make up nearly half the population. This helps explain why the area has far fewer children and seniors than the national figure, with both groups sitting well below the state and national averages.

10.6% ▲ +24.7%

Lower than 89% of postcode areas.

  • 2011: 8.5%
  • 2016: 7.8%
  • 2021: 10.6%

Share of the population aged 65 years and over.

14.6% ▼ -8.0%

Lower than 76% of postcode areas.

  • 2011: 15.8%
  • 2016: 14.6%
  • 2021: 14.6%

Share of the population aged under 15 years.

Age structure

View on map →

In 2138, NSW, the largest group is Young adults (25–44) at 45%, followed by Older adults (45–64) (19%) and Children (0–14) (15%).

Identity & relationships

First Nations identity and marital status.

Nearly 40% of residents have never married, while 48.7% are married. Those in de facto relationships make up 12.9% of the area, which is a little above the national figure and has risen since 2011.

12.9% ▲ +50.6%

Higher than 57% of postcode areas.

  • 2011: 8.6%
  • 2016: 10.5%
  • 2021: 12.9%

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

Marital status

View on map →

In 2138, NSW, the largest group is Married at 49%, followed by Never married (39%) and Divorced (7%).

Age & sex structure

  • 85+: 85+: 75 males; 85+: 127 females
  • 80–84: 80–84: 115 males; 80–84: 121 females
  • 75–79: 75–79: 180 males; 75–79: 177 females
  • 70–74: 70–74: 273 males; 70–74: 288 females
  • 65–69: 65–69: 343 males; 65–69: 395 females
  • 60–64: 60–64: 379 males; 60–64: 470 females
  • 55–59: 55–59: 408 males; 55–59: 493 females
  • 50–54: 50–54: 440 males; 50–54: 450 females
  • 45–49: 45–49: 528 males; 45–49: 556 females
  • 40–44: 40–44: 689 males; 40–44: 661 females
  • 35–39: 35–39: 1,145 males; 35–39: 1,061 females
  • 30–34: 30–34: 1,402 males; 30–34: 1,477 females
  • 25–29: 25–29: 1,120 males; 25–29: 1,312 females
  • 20–24: 20–24: 682 males; 20–24: 725 females
  • 15–19: 15–19: 358 males; 15–19: 377 females
  • 10–14: 10–14: 380 males; 10–14: 379 females
  • 5–9: 5–9: 454 males; 5–9: 459 females
  • 0–4: 0–4: 616 males; 0–4: 581 females

Sources

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

More for 2138, NSW

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 2138, NSW [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA2138/2138-nsw/topic/demographics-identity