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LEARN MORE ABOUT .idIn 2021, the largest age group in Aldinga Beach was 10 to 14 year olds. The group that changed the most since 2001 was 10 to 14 year olds, increasing by 222 people.
The Age Structure of Aldinga Beach provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Aldinga Beach'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 Aldinga Beach'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 | |||||||
|---|---|---|---|---|---|---|---|
| Aldinga Beach - Total males (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Willunga and Surrounds % | Number | % | Willunga and Surrounds % | 2001 to 2021 |
| 0 to 4 | 318 | 6.2 | 4.6 | 170 | 7.4 | 6.5 | +147 |
| 5 to 9 | 403 | 7.8 | 6.5 | 224 | 9.7 | 8.0 | +179 |
| 10 to 14 | 414 | 8.1 | 6.7 | 192 | 8.4 | 9.3 | +222 |
| 15 to 19 | 343 | 6.7 | 5.6 | 183 | 8.0 | 7.5 | +160 |
| 20 to 24 | 304 | 5.9 | 5.5 | 100 | 4.4 | 3.6 | +203 |
| 25 to 29 | 272 | 5.3 | 3.0 | 120 | 5.2 | 4.5 | +151 |
| 30 to 34 | 305 | 5.9 | 3.0 | 162 | 7.1 | 6.0 | +142 |
| 35 to 39 | 360 | 7.0 | 4.7 | 176 | 7.7 | 6.2 | +184 |
| 40 to 44 | 283 | 5.5 | 5.6 | 170 | 7.4 | 8.7 | +112 |
| 45 to 49 | 310 | 6.0 | 7.4 | 152 | 6.6 | 8.4 | +158 |
| 50 to 54 | 336 | 6.5 | 8.1 | 134 | 5.8 | 8.3 | +202 |
| 55 to 59 | 321 | 6.2 | 8.3 | 105 | 4.6 | 6.1 | +216 |
| 60 to 64 | 276 | 5.4 | 8.4 | 121 | 5.3 | 5.4 | +155 |
| 65 to 69 | 270 | 5.3 | 7.7 | 78 | 3.4 | 4.2 | +191 |
| 70 to 74 | 248 | 4.8 | 6.5 | 91 | 4.0 | 3.3 | +156 |
| 75 to 79 | 176 | 3.4 | 4.5 | 56 | 2.5 | 1.8 | +119 |
| 80 to 84 | 119 | 2.3 | 2.4 | 44 | 2.0 | 1.2 | +74 |
| 85 and over | 82 | 1.6 | 1.5 | 14 | 0.6 | 1.0 | +68 |
| Total population | 5,140 | 100.0 | 100.0 | 2,301 | 100.0 | 100.0 | +2,839 |
Dominant groups
Analysis of the male five year age groups of Aldinga Beach in 2021 compared to Willunga and Surrounds 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, 22.1% of the male population was aged between 0 and 15, and 17.4% were aged 65 years and over, compared with 17.8% and 22.5% respectively for Willunga and Surrounds.
The major differences between the male age structure of Aldinga Beach and Willunga and Surrounds were:
- A larger percentage of males aged 30 to 34 (5.9% compared to 3.0%)
- A larger percentage of males aged 35 to 39 (7.0% compared to 4.7%)
- A smaller percentage of males aged 60 to 64 (5.4% compared to 8.4%)
- A smaller percentage of males aged 65 to 69 (5.3% compared to 7.7%)
Emerging groups
From 2001 to 2021, Aldinga Beach's male population increased by 2,839 people (123.4%). This represents an average annual population change of 4.1% per year over the period.
The largest changes in male age structure in this area between 2001 and 2021 were in the age groups:
- 10 to 14 (+222 males)
- 55 to 59 (+216 males)
- 20 to 24 (+203 males)
- 50 to 54 (+202 males)
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