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LEARN MORE ABOUT .idIn 2021, the largest age group in Aldinga Beach was 5 to 9 year olds. The group that changed the most since 2011 was 70 to 74 year olds, increasing by 169 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 females (Usual residence) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Reynella East % | Number | % | Reynella East % | 2011 to 2021 |
| 0 to 4 | 288 | 5.2 | 3.5 | 452 | 9.1 | 6.0 | -164 |
| 5 to 9 | 410 | 7.4 | 4.0 | 407 | 8.2 | 3.9 | +3 |
| 10 to 14 | 393 | 7.1 | 7.1 | 342 | 6.9 | 6.7 | +51 |
| 15 to 19 | 332 | 6.0 | 4.1 | 332 | 6.7 | 6.0 | 0 |
| 20 to 24 | 266 | 4.8 | 4.7 | 350 | 7.1 | 4.9 | -84 |
| 25 to 29 | 282 | 5.1 | 5.3 | 441 | 8.9 | 6.6 | -159 |
| 30 to 34 | 333 | 6.0 | 5.8 | 355 | 7.2 | 3.7 | -22 |
| 35 to 39 | 410 | 7.4 | 7.6 | 384 | 7.8 | 7.3 | +26 |
| 40 to 44 | 392 | 7.1 | 5.4 | 300 | 6.1 | 7.1 | +92 |
| 45 to 49 | 367 | 6.6 | 6.5 | 301 | 6.1 | 6.4 | +66 |
| 50 to 54 | 328 | 5.9 | 6.3 | 270 | 5.5 | 7.1 | +58 |
| 55 to 59 | 353 | 6.4 | 3.9 | 240 | 4.9 | 6.5 | +113 |
| 60 to 64 | 329 | 6.0 | 6.9 | 219 | 4.4 | 9.5 | +110 |
| 65 to 69 | 292 | 5.3 | 6.7 | 181 | 3.7 | 5.1 | +111 |
| 70 to 74 | 294 | 5.3 | 9.3 | 125 | 2.5 | 2.5 | +169 |
| 75 to 79 | 201 | 3.6 | 5.4 | 103 | 2.1 | 4.0 | +98 |
| 80 to 84 | 125 | 2.3 | 3.3 | 46 | 0.9 | 3.1 | +79 |
| 85 and over | 134 | 2.4 | 4.2 | 92 | 1.9 | 3.5 | +42 |
| Total population | 5,529 | 100.0 | 100.0 | 4,940 | 100.0 | 100.0 | +589 |
Dominant groups
Analysis of the female five year age groups of Aldinga Beach in 2021 compared to Reynella East 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, 19.7% of the female population was aged between 0 and 15, and 18.9% were aged 65 years and over, compared with 14.7% and 28.8% respectively for Reynella East.
The major differences between the female age structure of Aldinga Beach and Reynella East were:
- A larger percentage of females aged 5 to 9 (7.4% compared to 4.0%)
- A larger percentage of females aged 55 to 59 (6.4% compared to 3.9%)
- A larger percentage of females aged 15 to 19 (6.0% compared to 4.1%)
- A smaller percentage of females aged 70 to 74 (5.3% compared to 9.3%)
Emerging groups
From 2011 to 2021, Aldinga Beach's female population increased by 589 people (11.9%). This represents an average annual population change of 1.13% per year over the period.
The largest changes in female age structure in this area between 2011 and 2021 were in the age groups:
- 70 to 74 (+169 females)
- 0 to 4 (-164 females)
- 25 to 29 (-159 females)
- 55 to 59 (+113 females)
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