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LEARN MORE ABOUT .idIn 2021, the largest age group in the Deer Park District was 35 to 39 year olds. The group that changed the most since 2011 was 5 to 9 year olds, increasing by 419 people.
The Age Structure of the Deer Park District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the Deer Park District'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 the Deer Park District'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 | |||||||
|---|---|---|---|---|---|---|---|
| Deer Park District - Total males (Enumerated) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Keilor Downs % | Number | % | Keilor Downs % | 2011 to 2021 |
| 0 to 4 | 1,438 | 6.8 | 5.5 | 1,659 | 9.1 | 5.3 | -221 |
| 5 to 9 | 1,715 | 8.1 | 5.7 | 1,296 | 7.1 | 5.7 | +419 |
| 10 to 14 | 1,542 | 7.3 | 5.6 | 1,259 | 6.9 | 6.3 | +283 |
| 15 to 19 | 1,342 | 6.3 | 5.3 | 1,244 | 6.8 | 8.5 | +98 |
| 20 to 24 | 1,425 | 6.7 | 6.4 | 1,379 | 7.6 | 9.1 | +46 |
| 25 to 29 | 1,693 | 8.0 | 7.5 | 1,724 | 9.5 | 7.7 | -31 |
| 30 to 34 | 1,522 | 7.2 | 6.0 | 1,755 | 9.6 | 5.7 | -233 |
| 35 to 39 | 1,716 | 8.1 | 6.1 | 1,552 | 8.5 | 5.4 | +164 |
| 40 to 44 | 1,634 | 7.7 | 5.8 | 1,269 | 7.0 | 5.9 | +365 |
| 45 to 49 | 1,438 | 6.8 | 5.6 | 1,070 | 5.9 | 7.1 | +368 |
| 50 to 54 | 1,240 | 5.8 | 5.3 | 952 | 5.2 | 7.7 | +288 |
| 55 to 59 | 1,145 | 5.4 | 6.1 | 934 | 5.1 | 6.8 | +211 |
| 60 to 64 | 974 | 4.6 | 7.4 | 895 | 4.9 | 6.7 | +79 |
| 65 to 69 | 852 | 4.0 | 7.1 | 569 | 3.1 | 4.7 | +283 |
| 70 to 74 | 741 | 3.5 | 6.3 | 323 | 1.8 | 3.6 | +418 |
| 75 to 79 | 438 | 2.1 | 4.2 | 153 | 0.8 | 2.1 | +285 |
| 80 to 84 | 254 | 1.2 | 2.4 | 106 | 0.6 | 1.1 | +148 |
| 85 and over | 128 | 0.6 | 1.8 | 78 | 0.4 | 0.6 | +50 |
| Total population | 21,237 | 100.0 | 100.0 | 18,217 | 100.0 | 100.0 | +3,020 |
Dominant groups
Analysis of the male five year age groups of the Deer Park District in 2021 compared to Keilor Downs shows that there was a higher proportion of males in the younger age groups (under 15) and a lower proportion of males in the older age groups (65+).
Overall, 22.1% of the male population was aged between 0 and 15, and 11.4% were aged 65 years and over, compared with 16.7% and 21.8% respectively for Keilor Downs.
The major differences between the male age structure of the Deer Park District and Keilor Downs were:
- A larger percentage of males aged 5 to 9 (8.1% compared to 5.7%)
- A smaller percentage of males aged 65 to 69 (4.0% compared to 7.1%)
- A smaller percentage of males aged 60 to 64 (4.6% compared to 7.4%)
- A smaller percentage of males aged 70 to 74 (3.5% compared to 6.3%)
Emerging groups
From 2011 to 2021, Deer Park District's male population increased by 3,020 people (16.6%). This represents an average annual population change of 1.55% per year over the period.
The largest changes in male age structure in this area between 2011 and 2021 were in the age groups:
- 5 to 9 (+419 males)
- 70 to 74 (+418 males)
- 45 to 49 (+368 males)
- 40 to 44 (+365 males)
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