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LEARN MORE ABOUT .idIn 2021, the largest age group in Balwyn was 10 to 14 year olds. The group that changed the most since 2011 was 70 to 74 year olds, increasing by 231 people.
The Age Structure of Balwyn provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Balwyn'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 Balwyn'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 | |||||||
|---|---|---|---|---|---|---|---|
| Balwyn - Total persons (Enumerated) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Greater Melbourne % | Number | % | Greater Melbourne % | 2011 to 2021 |
| 0 to 4 | 457 | 3.4 | 5.9 | 543 | 4.2 | 6.5 | -86 |
| 5 to 9 | 753 | 5.6 | 6.3 | 699 | 5.5 | 6.1 | +54 |
| 10 to 14 | 976 | 7.3 | 6.0 | 925 | 7.2 | 6.0 | +51 |
| 15 to 19 | 964 | 7.2 | 5.6 | 1,161 | 9.1 | 6.4 | -198 |
| 20 to 24 | 907 | 6.7 | 6.7 | 941 | 7.4 | 7.5 | -35 |
| 25 to 29 | 734 | 5.5 | 7.8 | 634 | 5.0 | 8.0 | +100 |
| 30 to 34 | 620 | 4.6 | 8.3 | 491 | 3.8 | 7.5 | +128 |
| 35 to 39 | 813 | 6.0 | 8.1 | 604 | 4.7 | 7.5 | +208 |
| 40 to 44 | 863 | 6.4 | 6.9 | 941 | 7.3 | 7.5 | -79 |
| 45 to 49 | 943 | 7.0 | 6.5 | 1,117 | 8.7 | 7.0 | -175 |
| 50 to 54 | 968 | 7.2 | 6.3 | 993 | 7.8 | 6.5 | -26 |
| 55 to 59 | 888 | 6.6 | 5.6 | 806 | 6.3 | 5.6 | +81 |
| 60 to 64 | 791 | 5.9 | 5.1 | 687 | 5.4 | 5.1 | +104 |
| 65 to 69 | 740 | 5.5 | 4.3 | 563 | 4.4 | 3.8 | +176 |
| 70 to 74 | 632 | 4.7 | 3.8 | 400 | 3.1 | 3.0 | +231 |
| 75 to 79 | 531 | 4.0 | 2.8 | 423 | 3.3 | 2.4 | +107 |
| 80 to 84 | 375 | 2.8 | 2.0 | 424 | 3.3 | 1.9 | -49 |
| 85 and over | 485 | 3.6 | 2.0 | 451 | 3.5 | 1.8 | +33 |
| Total population | 13,440 | 100.0 | 100.0 | 12,813 | 100.0 | 100.0 | +627 |
Dominant groups
Analysis of the five year age groups of Balwyn in 2021 compared to Greater Melbourne 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, 16.3% of the population was aged between 0 and 15, and 20.6% were aged 65 years and over, compared with 18.2% and 14.9% respectively for Greater Melbourne.
The major differences between the age structure of Balwyn and Greater Melbourne were:
- A smaller percentage of persons aged 30 to 34 (4.6% compared to 8.3%)
- A smaller percentage of persons aged 0 to 4 (3.4% compared to 5.9%)
- A smaller percentage of persons aged 25 to 29 (5.5% compared to 7.8%)
- A smaller percentage of persons aged 35 to 39 (6.0% compared to 8.1%)
Emerging groups
From 2011 to 2021, Balwyn's population increased by 627 people (4.9%). This represents an average annual population change of 0.48% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 70 to 74 (+231 persons)
- 35 to 39 (+208 persons)
- 15 to 19 (-198 persons)
- 65 to 69 (+176 persons)
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