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LEARN MORE ABOUT .idIn 2021, the largest age group in the Southern District was 10 to 14 year olds. The group that changed the most since 1991 was 50 to 54 year olds, increasing by 431 people.
The Age Structure of the Southern District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the Southern District'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 the Southern District'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 District - Total males (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | City of Onkaparinga % | Number | % | City of Onkaparinga % | 1991 to 2021 |
| 0 to 4 | 442 | 5.9 | 5.7 | 269 | 9.0 | 8.7 | +172 |
| 5 to 9 | 572 | 7.6 | 6.6 | 271 | 9.1 | 9.6 | +300 |
| 10 to 14 | 577 | 7.7 | 6.7 | 220 | 7.3 | 9.0 | +357 |
| 15 to 19 | 500 | 6.7 | 6.2 | 171 | 5.7 | 8.5 | +329 |
| 20 to 24 | 433 | 5.8 | 5.9 | 195 | 6.5 | 6.8 | +237 |
| 25 to 29 | 389 | 5.2 | 6.0 | 261 | 8.7 | 7.2 | +128 |
| 30 to 34 | 430 | 5.7 | 6.3 | 287 | 9.6 | 8.6 | +143 |
| 35 to 39 | 512 | 6.8 | 6.6 | 269 | 9.0 | 9.0 | +242 |
| 40 to 44 | 396 | 5.3 | 6.0 | 217 | 7.3 | 9.3 | +178 |
| 45 to 49 | 454 | 6.1 | 6.5 | 129 | 4.3 | 6.1 | +324 |
| 50 to 54 | 527 | 7.0 | 6.5 | 96 | 3.2 | 4.1 | +431 |
| 55 to 59 | 503 | 6.7 | 6.3 | 114 | 3.8 | 3.2 | +389 |
| 60 to 64 | 425 | 5.7 | 6.0 | 140 | 4.7 | 3.0 | +284 |
| 65 to 69 | 432 | 5.8 | 5.6 | 149 | 5.0 | 2.6 | +283 |
| 70 to 74 | 364 | 4.9 | 5.4 | 96 | 3.2 | 2.0 | +267 |
| 75 to 79 | 260 | 3.5 | 3.7 | 65 | 2.2 | 1.3 | +194 |
| 80 to 84 | 163 | 2.2 | 2.2 | 23 | 0.8 | 0.6 | +140 |
| 85 and over | 100 | 1.3 | 1.8 | 16 | 0.5 | 0.2 | +84 |
| Total population | 7,479 | 100.0 | 100.0 | 2,996 | 100.0 | 100.0 | +4,483 |
Dominant groups
Analysis of the male five year age groups of the Southern District in 2021 compared to the City of Onkaparinga shows that there was a higher proportion of males in the younger age groups (under 15) and a lower proportion of males in the older age groups (65+).
Overall, 21.3% of the male population was aged between 0 and 15, and 17.6% were aged 65 years and over, compared with 19.0% and 18.6% respectively for the City of Onkaparinga.
The major differences between the male age structure of the Southern District and the City of Onkaparinga were:
- A larger percentage of males aged 5 to 9 (7.6% compared to 6.6%)
- A larger percentage of males aged 10 to 14 (7.7% compared to 6.7%)
- A smaller percentage of males aged 25 to 29 (5.2% compared to 6.0%)
- A smaller percentage of males aged 40 to 44 (5.3% compared to 6.0%)
Emerging groups
From 1991 to 2021, Southern District's male population increased by 4,483 people (149.6%). This represents an average annual population change of 3.1% per year over the period.
The largest changes in male age structure in this area between 1991 and 2021 were in the age groups:
- 50 to 54 (+431 males)
- 55 to 59 (+389 males)
- 10 to 14 (+357 males)
- 15 to 19 (+329 males)
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