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.
Cook · Federal Electorate
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.
All federal electorate areas, 2021. The marker is Cook — lower than 74% of areas.
| Cook | 149,450 |
|---|---|
| Greater Sydney | 5,231,147 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
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.
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.
Half the population is older than this age, and half younger.
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.
Share of the population aged 65 years and over.
17.2% ▼ -28.8%
Lower than 61% of federal electorate areas.
Share of the population aged under 15 years.
Cook splits fairly evenly between Older adults (45–64) (26%) and Young adults (25–44) (25%), with Seniors (65+) at 20%.
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.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
10.2% ▲ +64.6%
Lower than 74% of federal electorate areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Cook, the largest group is Married at 50%, followed by Never married (33%) and Divorced (9%).
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