Cumberland · Council (LGA)

Demographics & Identity in Cumberland

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

Noticeably younger than most similar areas, Cumberland is a growing hub with a typical resident aged just 34. The population has climbed to 235,439 people, marked by a high proportion of children and young adults compared to the rest of the country.

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📍 Cumberland, Council (LGA)

Where Cumberland sits — Total population

235,439
  • 1–2: 3 areas
  • 2–3: 0 areas
  • 3–4: 0 areas
  • 4–7: 0 areas
  • 7–12: 2 areas
  • 12–20: 1 area
  • 20–33: 0 areas
  • 33–55: 1 area
  • 55–91: 0 areas
  • 91–150: 5 areas
  • 150–248: 3 areas
  • 248–409: 13 areas
  • 409–675: 22 areas
  • 675–1,115: 38 areas
  • 1,115–1,840: 37 areas
  • 1,840–3,038: 30 areas
  • 3,038–5,014: 40 areas
  • 5,014–8,276: 49 areas
  • 8,276–13,661: 54 areas
  • 13,661–22,550: 57 areas
  • 22,550–37,223: 43 areas
  • 37,223–61,442: 49 areas
  • 61,442–101,420: 39 areas
  • 101,420–167,409: 37 areas
  • 167,409–276,336: 31 areas
  • 276,336–456,137: 8 areas
  • 456,137–752,926: 2 areas
  • 752,926–1,242,825: 1 area

All council (lga) areas, 2021. The marker is Cumberland — higher than 87% of areas.

Total population compared with the state and national average
Cumberland235,439
Greater Sydney 5,231,147
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The population is among the largest at this level and grew by 9.0% since 2016, adding about 19,360 people. This growth occurred alongside a slight rise in the typical age of residents, which moved from 32 to 34 years.

235,439

Higher than 87% of council (lga) areas.

  • 2016: 216,079
  • 2021: 235,439

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

34 yrs

Younger than 88% of council (lga) areas.

  • 2016: 32 yrs
  • 2021: 34 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 19.9% of the community, which is a little above the national figure of 18.2%. In contrast, the proportion of people aged 65 and over is 12.1%, which is well below the 17.2% seen across Australia.

12.1%

Lower than 83% of council (lga) areas.

  • 2016: 11.2%
  • 2021: 12.1%

Share of the population aged 65 years and over.

19.9%

Higher than 74% of council (lga) areas.

  • 2016: 20.5%
  • 2021: 19.9%

Share of the population aged under 15 years.

Age structure

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In Cumberland, the largest group is Young adults (25–44) at 34%, followed by Older adults (45–64) (21%) and Children (0–14) (20%).

Identity & relationships

First Nations identity and marital status.

People in de facto relationships make up 4.1% of the population, a figure well below the national average of 11.5%. Those of Aboriginal and Torres Strait Islander descent account for 0.6%, which is a little below the New South Wales figure of 3.4%.

4.1%

Lower than 99% of council (lga) areas.

  • 2016: 4.1%
  • 2021: 4.1%

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

Marital status

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In Cumberland, Married is the majority at 52%; Never married is next at 34%.

Age & sex structure

  • 85+: 85+: 1,391 males; 85+: 2,049 females
  • 80–84: 80–84: 1,677 males; 80–84: 1,963 females
  • 75–79: 75–79: 2,566 males; 75–79: 2,590 females
  • 70–74: 70–74: 3,526 males; 70–74: 3,717 females
  • 65–69: 65–69: 4,308 males; 65–69: 4,579 females
  • 60–64: 60–64: 5,351 males; 60–64: 5,504 females
  • 55–59: 55–59: 6,138 males; 55–59: 6,172 females
  • 50–54: 50–54: 6,371 males; 50–54: 6,339 females
  • 45–49: 45–49: 6,898 males; 45–49: 6,389 females
  • 40–44: 40–44: 8,649 males; 40–44: 7,312 females
  • 35–39: 35–39: 10,553 males; 35–39: 9,570 females
  • 30–34: 30–34: 11,262 males; 30–34: 10,360 females
  • 25–29: 25–29: 12,056 males; 25–29: 9,956 females
  • 20–24: 20–24: 10,164 males; 20–24: 8,492 females
  • 15–19: 15–19: 6,523 males; 15–19: 6,129 females
  • 10–14: 10–14: 7,339 males; 10–14: 7,054 females
  • 5–9: 5–9: 8,143 males; 5–9: 7,897 females
  • 0–4: 0–4: 8,579 males; 0–4: 7,875 females

Sources

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

More for Cumberland

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Cumberland [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA12380/cumberland/topic/demographics-identity