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LEARN MORE ABOUT .idIn 2021, the largest age group in Riverwood was 25 to 29 year olds. The group that changed the most since 1996 was 55 to 59 year olds, increasing by 210 people.
The Age Structure of Riverwood provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Riverwood'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 Riverwood'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 | |||||||
|---|---|---|---|---|---|---|---|
| Riverwood - Total persons (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | Kogarah % | Number | % | Kogarah % | 1996 to 2021 |
| 0 to 4 | 256 | 4.5 | 5.8 | 211 | 5.8 | 6.0 | +45 |
| 5 to 9 | 328 | 5.7 | 5.0 | 199 | 5.5 | 4.2 | +128 |
| 10 to 14 | 303 | 5.3 | 3.3 | 213 | 5.8 | 4.2 | +89 |
| 15 to 19 | 304 | 5.3 | 3.2 | 206 | 5.6 | 4.5 | +97 |
| 20 to 24 | 403 | 7.0 | 7.1 | 253 | 6.9 | 7.6 | +149 |
| 25 to 29 | 459 | 8.0 | 10.9 | 284 | 7.8 | 9.0 | +175 |
| 30 to 34 | 405 | 7.1 | 11.7 | 294 | 8.1 | 9.2 | +110 |
| 35 to 39 | 432 | 7.5 | 10.9 | 242 | 6.6 | 8.4 | +189 |
| 40 to 44 | 378 | 6.6 | 7.4 | 229 | 6.3 | 5.7 | +149 |
| 45 to 49 | 377 | 6.6 | 5.0 | 228 | 6.2 | 5.1 | +149 |
| 50 to 54 | 397 | 6.9 | 4.3 | 220 | 6.0 | 4.7 | +177 |
| 55 to 59 | 382 | 6.7 | 4.2 | 171 | 4.7 | 4.7 | +210 |
| 60 to 64 | 366 | 6.4 | 4.4 | 165 | 4.5 | 4.3 | +200 |
| 65 to 69 | 298 | 5.2 | 3.6 | 184 | 5.0 | 5.2 | +114 |
| 70 to 74 | 237 | 4.1 | 3.2 | 234 | 6.4 | 5.3 | +3 |
| 75 to 79 | 184 | 3.2 | 3.0 | 164 | 4.5 | 4.4 | +19 |
| 80 to 84 | 124 | 2.2 | 2.6 | 106 | 2.9 | 4.0 | +17 |
| 85 and over | 102 | 1.8 | 4.4 | 48 | 1.3 | 3.5 | +54 |
| Total population | 5,735 | 100.0 | 100.0 | 3,660 | 100.0 | 100.0 | +2,075 |
Dominant groups
Analysis of the five year age groups of Riverwood in 2021 compared to Kogarah shows that there was a higher proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).
Overall, 15.5% of the population was aged between 0 and 15, and 16.5% were aged 65 years and over, compared with 14.1% and 16.8% respectively for Kogarah.
The major differences between the age structure of Riverwood and Kogarah were:
- A smaller percentage of persons aged 30 to 34 (7.1% compared to 11.7%)
- A smaller percentage of persons aged 35 to 39 (7.5% compared to 10.9%)
- A smaller percentage of persons aged 25 to 29 (8.0% compared to 10.9%)
- A smaller percentage of persons aged 85 and over (1.8% compared to 4.4%)
Emerging groups
From 1996 to 2021, Riverwood's population increased by 2,075 people (56.7%). This represents an average annual population change of 1.81% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 55 to 59 (+210 persons)
- 60 to 64 (+200 persons)
- 35 to 39 (+189 persons)
- 50 to 54 (+177 persons)
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