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LEARN MORE ABOUT .idIn 2021, the largest age group in Donnybrook was 30 to 34 year olds. The group that changed the most since 2001 was 30 to 34 year olds, increasing by 363 people.
The Age Structure of Donnybrook provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Donnybrook'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 Donnybrook'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 | |||||||
|---|---|---|---|---|---|---|---|
| Donnybrook - Total persons (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Mill Park % | Number | % | Mill Park % | 2001 to 2021 |
| 0 to 4 | 246 | 11.7 | 5.0 | 8 | 3.6 | 8.6 | +237 |
| 5 to 9 | 177 | 8.4 | 5.4 | 15 | 6.4 | 9.3 | +162 |
| 10 to 14 | 108 | 5.1 | 5.2 | 16 | 6.9 | 9.1 | +91 |
| 15 to 19 | 61 | 2.9 | 5.8 | 20 | 8.4 | 8.3 | +41 |
| 20 to 24 | 138 | 6.6 | 6.9 | 13 | 5.5 | 6.8 | +125 |
| 25 to 29 | 284 | 13.5 | 7.0 | 12 | 5.3 | 7.3 | +271 |
| 30 to 34 | 377 | 18.0 | 7.0 | 14 | 5.8 | 9.3 | +363 |
| 35 to 39 | 295 | 14.1 | 6.8 | 17 | 7.1 | 9.9 | +278 |
| 40 to 44 | 126 | 6.0 | 5.8 | 17 | 7.3 | 9.0 | +108 |
| 45 to 49 | 65 | 3.1 | 6.0 | 21 | 8.8 | 7.5 | +44 |
| 50 to 54 | 69 | 3.3 | 7.2 | 22 | 9.2 | 5.0 | +47 |
| 55 to 59 | 43 | 2.0 | 8.3 | 21 | 9.1 | 3.1 | +21 |
| 60 to 64 | 49 | 2.3 | 7.5 | 14 | 5.9 | 2.3 | +35 |
| 65 to 69 | 34 | 1.6 | 6.1 | 9 | 3.8 | 1.7 | +25 |
| 70 to 74 | 11 | 0.5 | 4.2 | 7 | 3.1 | 1.3 | +3 |
| 75 to 79 | 10 | 0.5 | 2.6 | 5 | 2.4 | 0.9 | +4 |
| 80 to 84 | 0 | -- | 1.6 | 3 | 1.3 | 0.4 | -3 |
| 85 and over | 6 | 0.3 | 1.5 | 0 | -- | 0.3 | +6 |
| Total population | 2,099 | 100.0 | 100.0 | 241 | 100.0 | 100.0 | +1,857 |
Dominant groups
Analysis of the five year age groups of Donnybrook in 2021 compared to Mill Park shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 25.3% of the population was aged between 0 and 15, and 2.9% were aged 65 years and over, compared with 15.5% and 16.2% respectively for Mill Park.
The major differences between the age structure of Donnybrook and Mill Park were:
- A larger percentage of persons aged 30 to 34 (18.0% compared to 7.0%)
- A larger percentage of persons aged 35 to 39 (14.1% compared to 6.8%)
- A larger percentage of persons aged 0 to 4 (11.7% compared to 5.0%)
- A larger percentage of persons aged 25 to 29 (13.5% compared to 7.0%)
Emerging groups
From 2001 to 2021, Donnybrook's population increased by 1,858 people (771.0%). This represents an average annual population change of 11.43% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 30 to 34 (+363 persons)
- 35 to 39 (+278 persons)
- 25 to 29 (+271 persons)
- 0 to 4 (+237 persons)
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