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LEARN MORE ABOUT .idIn 2021, the largest age group in Casula was 5 to 9 year olds. The group that changed the most since 2011 was 60 to 64 year olds, increasing by 255 people.
The Age Structure of Casula provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Casula'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 Casula'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 | |||||||
|---|---|---|---|---|---|---|---|
| Casula - Total persons (Enumerated) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Western City District % | Number | % | Western City District % | 2011 to 2021 |
| 0 to 4 | 1,151 | 7.0 | 6.9 | 1,148 | 7.8 | 7.3 | +3 |
| 5 to 9 | 1,183 | 7.2 | 7.1 | 1,119 | 7.6 | 7.2 | +64 |
| 10 to 14 | 1,175 | 7.1 | 7.0 | 1,083 | 7.4 | 7.4 | +92 |
| 15 to 19 | 1,162 | 7.0 | 6.5 | 1,081 | 7.3 | 7.5 | +81 |
| 20 to 24 | 1,161 | 7.0 | 6.5 | 1,040 | 7.1 | 7.0 | +121 |
| 25 to 29 | 1,080 | 6.5 | 6.8 | 1,034 | 7.0 | 6.8 | +46 |
| 30 to 34 | 1,124 | 6.8 | 7.2 | 1,033 | 7.0 | 6.6 | +91 |
| 35 to 39 | 1,119 | 6.8 | 7.3 | 1,128 | 7.7 | 7.1 | -9 |
| 40 to 44 | 1,003 | 6.1 | 6.6 | 1,115 | 7.6 | 7.1 | -112 |
| 45 to 49 | 1,071 | 6.5 | 6.5 | 1,023 | 6.9 | 7.1 | +48 |
| 50 to 54 | 1,099 | 6.7 | 6.1 | 936 | 6.4 | 7.0 | +163 |
| 55 to 59 | 1,030 | 6.2 | 5.9 | 847 | 5.7 | 6.0 | +183 |
| 60 to 64 | 957 | 5.8 | 5.5 | 702 | 4.8 | 5.3 | +255 |
| 65 to 69 | 686 | 4.2 | 4.6 | 469 | 3.2 | 3.6 | +217 |
| 70 to 74 | 587 | 3.6 | 3.8 | 384 | 2.6 | 2.6 | +203 |
| 75 to 79 | 355 | 2.2 | 2.5 | 272 | 1.8 | 1.9 | +83 |
| 80 to 84 | 305 | 1.8 | 1.6 | 180 | 1.2 | 1.4 | +125 |
| 85 and over | 264 | 1.6 | 1.5 | 137 | 0.9 | 1.2 | +127 |
| Total population | 16,512 | 100.0 | 100.0 | 14,731 | 100.0 | 100.0 | +1,781 |
Dominant groups
Analysis of the five year age groups of Casula in 2021 compared to the Western City District shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 21.3% of the population was aged between 0 and 15, and 13.3% were aged 65 years and over, compared with 21.0% and 14.0% respectively for the Western City District.
The major differences between the age structure of Casula and the Western City District were:
- A larger percentage of persons aged 20 to 24 (7.0% compared to 6.5%)
- A larger percentage of persons aged 50 to 54 (6.7% compared to 6.1%)
- A smaller percentage of persons aged 35 to 39 (6.8% compared to 7.3%)
- A smaller percentage of persons aged 40 to 44 (6.1% compared to 6.6%)
Emerging groups
From 2011 to 2021, Casula's population increased by 1,781 people (12.1%). This represents an average annual population change of 1.15% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 60 to 64 (+255 persons)
- 65 to 69 (+217 persons)
- 70 to 74 (+203 persons)
- 55 to 59 (+183 persons)
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