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LEARN MORE ABOUT .idIn 2021, the largest age group in South Lake was 30 to 34 year olds. The group that changed the most since 2006 was 60 to 64 year olds, increasing by 171 people.
The Age Structure of South Lake provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of South Lake'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 South Lake'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 | |||||||
|---|---|---|---|---|---|---|---|
| South Lake - Total persons (Enumerated) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | North Coogee - Rottnest Island % | Number | % | North Coogee - Rottnest Island % | 2006 to 2021 |
| 0 to 4 | 383 | 6.7 | 4.6 | 364 | 6.5 | 10.2 | +19 |
| 5 to 9 | 338 | 5.9 | 3.9 | 424 | 7.6 | 6.4 | -86 |
| 10 to 14 | 317 | 5.6 | 3.8 | 369 | 6.6 | -- | -52 |
| 15 to 19 | 341 | 6.0 | 4.1 | 420 | 7.5 | 4.2 | -79 |
| 20 to 24 | 411 | 7.2 | 5.2 | 459 | 8.2 | 13.3 | -48 |
| 25 to 29 | 435 | 7.6 | 6.4 | 484 | 8.7 | 9.5 | -49 |
| 30 to 34 | 482 | 8.5 | 7.6 | 457 | 8.2 | 8.0 | +25 |
| 35 to 39 | 436 | 7.6 | 7.0 | 504 | 9.0 | 10.2 | -68 |
| 40 to 44 | 347 | 6.1 | 6.4 | 463 | 8.3 | 4.5 | -116 |
| 45 to 49 | 385 | 6.8 | 6.2 | 470 | 8.4 | 7.6 | -85 |
| 50 to 54 | 389 | 6.8 | 7.8 | 353 | 6.3 | 9.1 | +36 |
| 55 to 59 | 353 | 6.2 | 9.1 | 265 | 4.7 | 6.1 | +88 |
| 60 to 64 | 357 | 6.3 | 8.2 | 186 | 3.3 | 6.4 | +171 |
| 65 to 69 | 261 | 4.6 | 6.7 | 116 | 2.1 | 2.3 | +145 |
| 70 to 74 | 210 | 3.7 | 5.6 | 114 | 2.0 | -- | +96 |
| 75 to 79 | 115 | 2.0 | 3.1 | 63 | 1.1 | 2.3 | +52 |
| 80 to 84 | 74 | 1.3 | 1.9 | 45 | 0.8 | -- | +29 |
| 85 and over | 67 | 1.2 | 2.3 | 32 | 0.6 | -- | +35 |
| Total population | 5,701 | 100.0 | 100.0 | 5,588 | 100.0 | 100.0 | +113 |
Dominant groups
Analysis of the five year age groups of South Lake in 2021 compared to North Coogee - Rottnest Island 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, 18.2% of the population was aged between 0 and 15, and 12.8% were aged 65 years and over, compared with 12.3% and 19.7% respectively for North Coogee - Rottnest Island.
The major differences between the age structure of South Lake and North Coogee - Rottnest Island were:
- A larger percentage of persons aged 0 to 4 (6.7% compared to 4.6%)
- A larger percentage of persons aged 5 to 9 (5.9% compared to 3.9%)
- A smaller percentage of persons aged 55 to 59 (6.2% compared to 9.1%)
- A smaller percentage of persons aged 65 to 69 (4.6% compared to 6.7%)
Emerging groups
From 2006 to 2021, South Lake's population increased by 113 people (2.0%). This represents an average annual population change of 0.13% per year over the period.
The largest changes in age structure in this area between 2006 and 2021 were in the age groups:
- 60 to 64 (+171 persons)
- 65 to 69 (+145 persons)
- 40 to 44 (-116 persons)
- 70 to 74 (+96 persons)
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