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LEARN MORE ABOUT .idIn 2021, the largest age group in Boronia was 30 to 34 year olds. The group that changed the most since 2006 was 30 to 34 year olds, increasing by 368 people.
The Age Structure of Boronia provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Boronia'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 Boronia'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 | |||||||
|---|---|---|---|---|---|---|---|
| Boronia - Total females (Enumerated) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | City of Knox % | Number | % | City of Knox % | 2006 to 2021 |
| 0 to 4 | 725 | 6.0 | 5.1 | 560 | 5.4 | 5.9 | +164 |
| 5 to 9 | 644 | 5.3 | 5.7 | 638 | 6.2 | 6.6 | +5 |
| 10 to 14 | 584 | 4.8 | 5.3 | 633 | 6.1 | 7.3 | -50 |
| 15 to 19 | 518 | 4.3 | 5.5 | 625 | 6.1 | 7.6 | -107 |
| 20 to 24 | 653 | 5.4 | 5.7 | 630 | 6.1 | 6.6 | +22 |
| 25 to 29 | 866 | 7.2 | 5.8 | 732 | 7.1 | 5.9 | +134 |
| 30 to 34 | 1,069 | 8.8 | 6.8 | 701 | 6.8 | 6.7 | +368 |
| 35 to 39 | 945 | 7.8 | 7.3 | 756 | 7.3 | 7.8 | +189 |
| 40 to 44 | 881 | 7.3 | 6.8 | 686 | 6.6 | 8.0 | +195 |
| 45 to 49 | 739 | 6.1 | 6.8 | 762 | 7.4 | 8.1 | -23 |
| 50 to 54 | 736 | 6.1 | 7.0 | 767 | 7.4 | 7.4 | -31 |
| 55 to 59 | 712 | 5.9 | 6.8 | 666 | 6.5 | 6.3 | +45 |
| 60 to 64 | 681 | 5.6 | 6.3 | 528 | 5.1 | 4.4 | +153 |
| 65 to 69 | 673 | 5.6 | 5.5 | 438 | 4.2 | 3.1 | +234 |
| 70 to 74 | 578 | 4.8 | 4.8 | 369 | 3.6 | 2.3 | +209 |
| 75 to 79 | 409 | 3.4 | 3.4 | 281 | 2.7 | 2.2 | +128 |
| 80 to 84 | 352 | 2.9 | 2.5 | 280 | 2.7 | 1.9 | +71 |
| 85 and over | 319 | 2.6 | 2.7 | 268 | 2.6 | 2.0 | +51 |
| Total population | 12,084 | 100.0 | 100.0 | 10,328 | 100.0 | 100.0 | +1,756 |
Dominant groups
Analysis of the female five year age groups of Boronia in 2021 compared to the City of Knox shows that there was a similar proportion of females in the younger age groups (under 15) as well as a similar proportion of females in the older age groups (65+).
Overall, 16.2% of the female population was aged between 0 and 15, and 19.3% were aged 65 years and over, compared with 16.2% and 19.0% respectively for the City of Knox.
The major differences between the female age structure of Boronia and the City of Knox were:
- A larger percentage of females aged 30 to 34 (8.8% compared to 6.8%)
- A larger percentage of females aged 25 to 29 (7.2% compared to 5.8%)
- A smaller percentage of females aged 15 to 19 (4.3% compared to 5.5%)
- A smaller percentage of females aged 55 to 59 (5.9% compared to 6.8%)
Emerging groups
From 2006 to 2021, Boronia's female population increased by 1,756 people (17.0%). This represents an average annual population change of 1.05% per year over the period.
The largest changes in female age structure in this area between 2006 and 2021 were in the age groups:
- 30 to 34 (+368 females)
- 65 to 69 (+234 females)
- 70 to 74 (+209 females)
- 40 to 44 (+195 females)
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