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LEARN MORE ABOUT .idIn 2021, the largest age group in Riversdale Ward was 25 to 29 year olds. The group that changed the most since 2006 was 20 to 24 year olds, decreasing by 489 people.
The Age Structure of Riversdale Ward provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Riversdale Ward'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 Riversdale Ward'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 | |||||||
|---|---|---|---|---|---|---|---|
| Riversdale Ward - Total persons (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | City of Boroondara % | Number | % | City of Boroondara % | 2006 to 2021 |
| 0 to 4 | 522 | 4.0 | 4.0 | 606 | 4.8 | 5.5 | -85 |
| 5 to 9 | 558 | 4.3 | 5.3 | 518 | 4.1 | 5.9 | +40 |
| 10 to 14 | 647 | 5.0 | 6.7 | 520 | 4.2 | 6.6 | +126 |
| 15 to 19 | 745 | 5.8 | 7.1 | 782 | 6.2 | 7.3 | -38 |
| 20 to 24 | 1,082 | 8.4 | 7.3 | 1,571 | 12.5 | 8.1 | -489 |
| 25 to 29 | 1,379 | 10.6 | 6.6 | 1,542 | 12.3 | 6.3 | -163 |
| 30 to 34 | 1,227 | 9.5 | 5.9 | 1,176 | 9.4 | 6.0 | +50 |
| 35 to 39 | 983 | 7.6 | 5.9 | 874 | 7.0 | 6.9 | +108 |
| 40 to 44 | 841 | 6.5 | 6.2 | 658 | 5.3 | 7.5 | +182 |
| 45 to 49 | 783 | 6.0 | 6.9 | 751 | 6.0 | 7.5 | +31 |
| 50 to 54 | 796 | 6.1 | 7.3 | 664 | 5.3 | 6.9 | +131 |
| 55 to 59 | 717 | 5.5 | 6.6 | 690 | 5.5 | 6.3 | +27 |
| 60 to 64 | 634 | 4.9 | 5.7 | 527 | 4.2 | 4.6 | +106 |
| 65 to 69 | 530 | 4.1 | 5.0 | 422 | 3.4 | 3.3 | +107 |
| 70 to 74 | 541 | 4.2 | 4.5 | 289 | 2.3 | 2.9 | +251 |
| 75 to 79 | 407 | 3.1 | 3.4 | 278 | 2.2 | 2.9 | +128 |
| 80 to 84 | 272 | 2.1 | 2.4 | 282 | 2.3 | 2.6 | -10 |
| 85 and over | 291 | 2.2 | 3.0 | 377 | 3.0 | 2.7 | -86 |
| Total population | 12,955 | 100.0 | 100.0 | 12,537 | 100.0 | 100.0 | +418 |
Dominant groups
Analysis of the five year age groups of Riversdale Ward in 2021 compared to the City of Boroondara shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 13.3% of the population was aged between 0 and 15, and 15.8% were aged 65 years and over, compared with 16.0% and 18.3% respectively for the City of Boroondara.
The major differences between the age structure of Riversdale Ward and the City of Boroondara were:
- A larger percentage of persons aged 25 to 29 (10.6% compared to 6.6%)
- A larger percentage of persons aged 30 to 34 (9.5% compared to 5.9%)
- A larger percentage of persons aged 35 to 39 (7.6% compared to 5.9%)
- A smaller percentage of persons aged 10 to 14 (5.0% compared to 6.7%)
Emerging groups
From 2006 to 2021, Riversdale Ward's population increased by 418 people (3.3%). This represents an average annual population change of 0.22% per year over the period.
The largest changes in age structure in this area between 2006 and 2021 were in the age groups:
- 20 to 24 (-489 persons)
- 70 to 74 (+251 persons)
- 40 to 44 (+182 persons)
- 25 to 29 (-163 persons)
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