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LEARN MORE ABOUT .idIn 2021, the largest age group in Casey Established was 35 to 39 year olds. The group that changed the most since 2011 was 65 to 69 year olds, increasing by 3,920 people.
The Age Structure of Casey Established provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Casey Established'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 Casey Established'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 | |||||||
|---|---|---|---|---|---|---|---|
| Casey Established - Total persons (Usual residence) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | City of Casey % | Number | % | City of Casey % | 2011 to 2021 |
| 0 to 4 | 17,493 | 6.7 | 7.6 | 18,563 | 8.1 | 7.9 | -1,070 |
| 5 to 9 | 19,294 | 7.4 | 7.9 | 17,447 | 7.6 | 7.6 | +1,846 |
| 10 to 14 | 19,040 | 7.3 | 7.2 | 17,695 | 7.7 | 7.7 | +1,345 |
| 15 to 19 | 17,398 | 6.7 | 6.3 | 17,462 | 7.6 | 7.7 | -64 |
| 20 to 24 | 18,086 | 6.9 | 6.7 | 15,298 | 6.7 | 6.7 | +2,788 |
| 25 to 29 | 18,036 | 6.9 | 7.2 | 16,162 | 7.1 | 7.0 | +1,874 |
| 30 to 34 | 18,786 | 7.2 | 8.0 | 17,206 | 7.5 | 7.4 | +1,581 |
| 35 to 39 | 20,249 | 7.7 | 8.7 | 18,411 | 8.0 | 7.9 | +1,838 |
| 40 to 44 | 18,528 | 7.1 | 7.2 | 18,107 | 7.9 | 7.9 | +421 |
| 45 to 49 | 17,575 | 6.7 | 6.4 | 16,651 | 7.3 | 7.3 | +924 |
| 50 to 54 | 16,822 | 6.4 | 6.0 | 14,631 | 6.4 | 6.5 | +2,191 |
| 55 to 59 | 15,325 | 5.9 | 5.3 | 11,784 | 5.1 | 5.2 | +3,542 |
| 60 to 64 | 13,338 | 5.1 | 4.6 | 9,579 | 4.2 | 4.3 | +3,759 |
| 65 to 69 | 10,415 | 4.0 | 3.6 | 6,495 | 2.8 | 3.0 | +3,920 |
| 70 to 74 | 8,134 | 3.1 | 2.9 | 4,972 | 2.2 | 2.2 | +3,162 |
| 75 to 79 | 5,626 | 2.2 | 1.9 | 3,645 | 1.6 | 1.6 | +1,981 |
| 80 to 84 | 3,756 | 1.4 | 1.3 | 2,830 | 1.2 | 1.2 | +925 |
| 85 and over | 3,556 | 1.4 | 1.2 | 2,276 | 1.0 | 1.0 | +1,280 |
| Total population | 261,465 | 100.0 | 100.0 | 229,222 | 100.0 | 100.0 | +32,243 |
Dominant groups
Analysis of the five year age groups of Casey Established in 2021 compared to the City of Casey shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 21.4% of the population was aged between 0 and 15, and 12.0% were aged 65 years and over, compared with 22.7% and 10.8% respectively for the City of Casey.
The major differences between the age structure of Casey Established and the City of Casey were:
- A larger percentage of persons aged 55 to 59 (5.9% compared to 5.3%)
- A smaller percentage of persons aged 0 to 4 (6.7% compared to 7.6%)
- A smaller percentage of persons aged 35 to 39 (7.7% compared to 8.7%)
- A smaller percentage of persons aged 30 to 34 (7.2% compared to 8.0%)
Emerging groups
From 2011 to 2021, Casey Established's population increased by 32,243 people (14.1%). This represents an average annual population change of 1.32% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 65 to 69 (+3,920 persons)
- 60 to 64 (+3,759 persons)
- 55 to 59 (+3,542 persons)
- 70 to 74 (+3,162 persons)
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