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LEARN MORE ABOUT .idIn 2021, the largest age group in Southern River was 35 to 39 year olds. The group that changed the most since 2016 was 10 to 14 year olds, increasing by 286 people.
The Age Structure of Southern River provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Southern River'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 Southern River'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 | |||||||
|---|---|---|---|---|---|---|---|
| Southern River - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Western Australia % | Number | % | Western Australia % | 2016 to 2021 |
| 0 to 4 | 960 | 7.5 | 6.1 | 972 | 9.4 | 6.5 | -12 |
| 5 to 9 | 1,182 | 9.2 | 6.5 | 963 | 9.3 | 6.6 | +219 |
| 10 to 14 | 1,093 | 8.5 | 6.4 | 807 | 7.8 | 6.1 | +286 |
| 15 to 19 | 975 | 7.6 | 5.8 | 721 | 7.0 | 6.1 | +254 |
| 20 to 24 | 859 | 6.7 | 6.0 | 594 | 5.7 | 6.5 | +265 |
| 25 to 29 | 734 | 5.7 | 6.6 | 687 | 6.6 | 7.5 | +47 |
| 30 to 34 | 907 | 7.1 | 7.4 | 993 | 9.6 | 7.9 | -86 |
| 35 to 39 | 1,218 | 9.5 | 7.6 | 1,048 | 10.1 | 7.0 | +170 |
| 40 to 44 | 1,111 | 8.6 | 6.7 | 858 | 8.3 | 7.0 | +253 |
| 45 to 49 | 957 | 7.4 | 6.6 | 718 | 6.9 | 7.0 | +239 |
| 50 to 54 | 829 | 6.5 | 6.5 | 592 | 5.7 | 6.6 | +237 |
| 55 to 59 | 610 | 4.7 | 6.1 | 456 | 4.4 | 6.1 | +154 |
| 60 to 64 | 497 | 3.9 | 5.7 | 368 | 3.6 | 5.3 | +129 |
| 65 to 69 | 356 | 2.8 | 5.0 | 275 | 2.7 | 4.7 | +81 |
| 70 to 74 | 293 | 2.3 | 4.3 | 152 | 1.5 | 3.4 | +141 |
| 75 to 79 | 155 | 1.2 | 2.9 | 89 | 0.9 | 2.5 | +66 |
| 80 to 84 | 76 | 0.6 | 2.0 | 35 | 0.3 | 1.7 | +41 |
| 85 and over | 40 | 0.3 | 1.9 | 22 | 0.2 | 1.7 | +18 |
| Total population | 12,852 | 100.0 | 100.0 | 10,350 | 100.0 | 100.0 | +2,502 |
Dominant groups
Analysis of the five year age groups of Southern River in 2021 compared to Western Australia shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 25.2% of the population was aged between 0 and 15, and 7.2% were aged 65 years and over, compared with 19.0% and 16.1% respectively for Western Australia.
The major differences between the age structure of Southern River and Western Australia were:
- A larger percentage of persons aged 5 to 9 (9.2% compared to 6.5%)
- A larger percentage of persons aged 10 to 14 (8.5% compared to 6.4%)
- A smaller percentage of persons aged 65 to 69 (2.8% compared to 5.0%)
- A smaller percentage of persons aged 70 to 74 (2.3% compared to 4.3%)
Emerging groups
From 2016 to 2021, Southern River's population increased by 2,502 people (24.2%). This represents an average annual population change of 4.43% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 10 to 14 (+286 persons)
- 20 to 24 (+265 persons)
- 15 to 19 (+254 persons)
- 40 to 44 (+253 persons)
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