Cook · Federal Electorate

Demographics & Identity in Cook

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

Almost half of residents in Cook are married, reflecting a community that has aged significantly over the last decade. The typical person here is now 42, which is noticeably older than the national figure. This shift is clear as the population has grown older and shrunk by about 10% since 2011.

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📍 Cook, Federal Electorate

Where Cook sits — Total population

149,450 ▼ -10.1%
  • 1–2: 3 areas
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–6: 0 areas
  • 6–9: 0 areas
  • 9–14: 2 areas
  • 14–21: 1 area
  • 21–33: 0 areas
  • 33–51: 1 area
  • 51–79: 0 areas
  • 79–122: 1 area
  • 122–189: 1 area
  • 189–293: 0 areas
  • 293–453: 0 areas
  • 453–702: 2 areas
  • 702–1,086: 0 areas
  • 1,086–1,681: 1 area
  • 1,681–2,602: 0 areas
  • 2,602–4,028: 2 areas
  • 4,028–6,235: 0 areas
  • 6,235–9,652: 2 areas
  • 9,652–14,940: 2 areas
  • 14,940–23,126: 0 areas
  • 23,126–35,796: 0 areas
  • 35,796–55,409: 0 areas
  • 55,409–85,768: 0 areas
  • 85,768–132,761: 7 areas
  • 132,761–205,501: 144 areas

All federal electorate areas, 2021. The marker is Cook — lower than 74% of areas.

Total population compared with the state and national average
Cook149,450
Greater Sydney 5,231,147
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 42, which is 10 years older than in 2011 and noticeably older than the national figure. Total population fell to 149,450, a drop of about 16,857 people since the last census.

149,450 ▼ -10.1%

Lower than 74% of federal electorate areas.

  • 2011: 166,307
  • 2016: 139,062
  • 2021: 149,450

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

42 yrs ▲ +31.3%

Older than 78% of federal electorate areas.

  • 2011: 32 yrs
  • 2016: 41 yrs
  • 2021: 42 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 20.2% of the area, a figure well above the national average. This increase of 11 percentage points since 2011 helps explain why children under 15 have fallen to 17.2%, which is a little below the state and national figures.

20.2% ▲ +116.1%

Higher than 75% of federal electorate areas.

  • 2011: 9.4%
  • 2016: 18.9%
  • 2021: 20.2%

Share of the population aged 65 years and over.

17.2% ▼ -28.8%

Lower than 61% of federal electorate areas.

  • 2011: 24.1%
  • 2016: 17.9%
  • 2021: 17.2%

Share of the population aged under 15 years.

Age structure

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Cook splits fairly evenly between Older adults (45–64) (26%) and Young adults (25–44) (25%), with Seniors (65+) at 20%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 1.3% of the population, which is a little below the national figure. Those in de facto relationships account for 10.2%, a result much lower than most similar areas.

1.3% ▼ -66.9%

Lower than 67% of federal electorate areas.

  • 2011: 3.8%
  • 2016: 1.0%
  • 2021: 1.3%

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

10.2% ▲ +64.6%

Lower than 74% of federal electorate areas.

  • 2011: 6.2%
  • 2016: 8.4%
  • 2021: 10.2%

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

Marital status

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In Cook, the largest group is Married at 50%, followed by Never married (33%) and Divorced (9%).

Age & sex structure

  • 85+: 85+: 1,962 males; 85+: 3,129 females
  • 80–84: 80–84: 1,885 males; 80–84: 2,345 females
  • 75–79: 75–79: 2,614 males; 75–79: 3,158 females
  • 70–74: 70–74: 3,446 males; 70–74: 3,835 females
  • 65–69: 65–69: 3,649 males; 65–69: 4,187 females
  • 60–64: 60–64: 4,378 males; 60–64: 4,694 females
  • 55–59: 55–59: 4,729 males; 55–59: 4,948 females
  • 50–54: 50–54: 4,885 males; 50–54: 5,325 females
  • 45–49: 45–49: 5,098 males; 45–49: 5,331 females
  • 40–44: 40–44: 4,638 males; 40–44: 4,908 females
  • 35–39: 35–39: 4,659 males; 35–39: 5,098 females
  • 30–34: 30–34: 4,391 males; 30–34: 4,861 females
  • 25–29: 25–29: 4,375 males; 25–29: 4,420 females
  • 20–24: 20–24: 4,182 males; 20–24: 4,115 females
  • 15–19: 15–19: 4,372 males; 15–19: 4,165 females
  • 10–14: 10–14: 4,570 males; 10–14: 4,202 females
  • 5–9: 5–9: 4,494 males; 5–9: 4,143 females
  • 0–4: 0–4: 4,292 males; 0–4: 3,941 females

Sources

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

More for Cook

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Cook [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/ced/CED109/cook/topic/demographics-identity