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LEARN MORE ABOUT .idIn 2021, the largest age group in the Southern District was 5 to 9 year olds. The group that changed the most since 2001 was 55 to 59 year olds, increasing by 361 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 females (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | City of Onkaparinga % | Number | % | City of Onkaparinga % | 2001 to 2021 |
| 0 to 4 | 434 | 5.3 | 5.1 | 299 | 7.3 | 6.4 | +135 |
| 5 to 9 | 598 | 7.3 | 5.9 | 343 | 8.4 | 7.3 | +254 |
| 10 to 14 | 549 | 6.7 | 5.8 | 333 | 8.2 | 7.4 | +215 |
| 15 to 19 | 454 | 5.5 | 5.6 | 267 | 6.5 | 7.5 | +187 |
| 20 to 24 | 405 | 4.9 | 5.4 | 184 | 4.5 | 6.0 | +220 |
| 25 to 29 | 419 | 5.1 | 5.9 | 260 | 6.4 | 6.2 | +158 |
| 30 to 34 | 487 | 5.9 | 6.2 | 305 | 7.5 | 7.1 | +182 |
| 35 to 39 | 590 | 7.2 | 6.8 | 354 | 8.7 | 7.7 | +236 |
| 40 to 44 | 563 | 6.8 | 6.3 | 337 | 8.2 | 8.4 | +226 |
| 45 to 49 | 555 | 6.7 | 6.2 | 270 | 6.6 | 8.0 | +284 |
| 50 to 54 | 533 | 6.5 | 6.7 | 248 | 6.1 | 7.7 | +285 |
| 55 to 59 | 556 | 6.7 | 6.5 | 195 | 4.8 | 5.1 | +361 |
| 60 to 64 | 524 | 6.4 | 6.6 | 185 | 4.5 | 3.7 | +339 |
| 65 to 69 | 504 | 6.1 | 6.2 | 147 | 3.6 | 3.0 | +356 |
| 70 to 74 | 460 | 5.6 | 5.9 | 152 | 3.7 | 3.0 | +307 |
| 75 to 79 | 293 | 3.6 | 3.9 | 94 | 2.3 | 2.5 | +198 |
| 80 to 84 | 160 | 1.9 | 2.5 | 67 | 1.6 | 1.6 | +93 |
| 85 and over | 163 | 2.0 | 2.6 | 44 | 1.1 | 1.3 | +119 |
| Total population | 8,247 | 100.0 | 100.0 | 4,092 | 100.0 | 100.0 | +4,154 |
Dominant groups
Analysis of the female five year age groups of the Southern District in 2021 compared to the City of Onkaparinga shows that there was a higher proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 19.2% of the female population was aged between 0 and 15, and 19.2% were aged 65 years and over, compared with 16.8% and 21.0% respectively for the City of Onkaparinga.
The major differences between the female age structure of the Southern District and the City of Onkaparinga were:
- A larger percentage of females aged 5 to 9 (7.3% compared to 5.9%)
- A larger percentage of females aged 10 to 14 (6.7% compared to 5.8%)
- A smaller percentage of females aged 25 to 29 (5.1% compared to 5.9%)
- A smaller percentage of females aged 85 and over (2.0% compared to 2.6%)
Emerging groups
From 2001 to 2021, Southern District's female population increased by 4,155 people (101.5%). This represents an average annual population change of 3.57% per year over the period.
The largest changes in female age structure in this area between 2001 and 2021 were in the age groups:
- 55 to 59 (+361 females)
- 65 to 69 (+356 females)
- 60 to 64 (+339 females)
- 70 to 74 (+307 females)
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