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LEARN MORE ABOUT .idIn 2021, the largest age group in Cooks River Catchment area was 30 to 34 year olds. The group that changed the most since 2016 was 35 to 39 year olds, increasing by 7,416 people.
The Age Structure of Cooks River Catchment area provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Cooks River Catchment area's residential role and function and how it is likely to change in the future.
Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.
To get a more complete picture Cooks River Catchment area's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
Q:
Derived from the Census question:
'What is the person's date of birth or age?'
| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| Cooks River Catchment area - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | City of Canterbury Bankstown % | Number | % | City of Canterbury Bankstown % | 2016 to 2021 |
| 0 to 4 | 29,223 | 5.6 | 6.6 | 29,464 | 6.0 | 7.2 | -242 |
| 5 to 9 | 26,407 | 5.0 | 6.7 | 26,121 | 5.3 | 7.0 | +286 |
| 10 to 14 | 24,850 | 4.7 | 6.5 | 22,494 | 4.6 | 6.3 | +2,355 |
| 15 to 19 | 23,539 | 4.5 | 6.1 | 26,465 | 5.4 | 6.3 | -2,926 |
| 20 to 24 | 40,558 | 7.7 | 6.8 | 42,884 | 8.7 | 7.1 | -2,326 |
| 25 to 29 | 55,888 | 10.6 | 7.5 | 53,761 | 11.0 | 7.6 | +2,126 |
| 30 to 34 | 55,968 | 10.6 | 7.5 | 49,978 | 10.2 | 7.7 | +5,989 |
| 35 to 39 | 46,183 | 8.8 | 7.3 | 38,766 | 7.9 | 6.9 | +7,416 |
| 40 to 44 | 35,998 | 6.8 | 6.5 | 33,582 | 6.8 | 6.6 | +2,415 |
| 45 to 49 | 32,553 | 6.2 | 6.3 | 30,589 | 6.2 | 6.4 | +1,963 |
| 50 to 54 | 30,630 | 5.8 | 6.1 | 28,747 | 5.9 | 6.3 | +1,882 |
| 55 to 59 | 28,569 | 5.4 | 5.9 | 25,058 | 5.1 | 5.8 | +3,510 |
| 60 to 64 | 24,753 | 4.7 | 5.4 | 21,281 | 4.3 | 4.9 | +3,472 |
| 65 to 69 | 20,666 | 3.9 | 4.4 | 17,896 | 3.6 | 4.1 | +2,769 |
| 70 to 74 | 17,431 | 3.3 | 3.6 | 13,811 | 2.8 | 3.1 | +3,619 |
| 75 to 79 | 12,830 | 2.4 | 2.7 | 11,467 | 2.3 | 2.6 | +1,362 |
| 80 to 84 | 10,037 | 1.9 | 2.0 | 8,937 | 1.8 | 2.0 | +1,100 |
| 85 and over | 10,078 | 1.9 | 2.3 | 9,047 | 1.8 | 2.2 | +1,030 |
| Total population | 526,161 | 100.0 | 100.0 | 490,358 | 100.0 | 100.0 | +35,802 |
Dominant groups
Analysis of the five year age groups of Cooks River Catchment area in 2021 compared to the City of Canterbury Bankstown shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 15.3% of the population was aged between 0 and 15, and 13.5% were aged 65 years and over, compared with 19.8% and 15.0% respectively for the City of Canterbury Bankstown.
The major differences between the age structure of Cooks River Catchment area and the City of Canterbury Bankstown were:
- A larger percentage of persons aged 25 to 29 (10.6% compared to 7.5%)
- A larger percentage of persons aged 30 to 34 (10.6% compared to 7.5%)
- A smaller percentage of persons aged 10 to 14 (4.7% compared to 6.5%)
- A smaller percentage of persons aged 5 to 9 (5.0% compared to 6.7%)
Emerging groups
From 2016 to 2021, Cooks River Catchment area's population increased by 35,803 people (7.3%). This represents an average annual population change of 1.42% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 35 to 39 (+7,416 persons)
- 30 to 34 (+5,989 persons)
- 70 to 74 (+3,619 persons)
- 55 to 59 (+3,510 persons)
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