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LEARN MORE ABOUT .idIn 2021, the largest age group in Chelsea was 30 to 34 year olds. The group that changed the most since 2006 was 45 to 49 year olds, increasing by 238 people.
The Age Structure of Chelsea provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Chelsea'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 Chelsea'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 | |||||||
|---|---|---|---|---|---|---|---|
| Chelsea - Total persons (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | Mentone & Parkdale (west) Planning area % | Number | % | Mentone & Parkdale (west) Planning area % | 2006 to 2021 |
| 0 to 4 | 534 | 6.4 | 4.4 | 354 | 5.3 | 4.9 | +180 |
| 5 to 9 | 494 | 5.9 | 5.3 | 278 | 4.2 | 4.8 | +216 |
| 10 to 14 | 401 | 4.8 | 5.8 | 291 | 4.3 | 5.7 | +110 |
| 15 to 19 | 302 | 3.6 | 5.5 | 329 | 4.9 | 6.1 | -27 |
| 20 to 24 | 323 | 3.9 | 5.1 | 375 | 5.6 | 5.7 | -52 |
| 25 to 29 | 478 | 5.7 | 5.8 | 457 | 6.8 | 6.0 | +21 |
| 30 to 34 | 726 | 8.7 | 6.2 | 575 | 8.6 | 6.7 | +151 |
| 35 to 39 | 673 | 8.1 | 6.5 | 471 | 7.0 | 7.4 | +202 |
| 40 to 44 | 635 | 7.6 | 6.9 | 462 | 6.9 | 8.1 | +173 |
| 45 to 49 | 619 | 7.4 | 7.7 | 381 | 5.7 | 7.8 | +238 |
| 50 to 54 | 537 | 6.4 | 7.8 | 394 | 5.9 | 7.0 | +143 |
| 55 to 59 | 489 | 5.9 | 6.7 | 432 | 6.5 | 6.8 | +57 |
| 60 to 64 | 462 | 5.5 | 6.3 | 335 | 5.0 | 5.1 | +127 |
| 65 to 69 | 417 | 5.0 | 5.6 | 309 | 4.6 | 4.2 | +108 |
| 70 to 74 | 418 | 5.0 | 4.9 | 341 | 5.1 | 3.5 | +77 |
| 75 to 79 | 282 | 3.4 | 3.9 | 334 | 5.0 | 3.9 | -52 |
| 80 to 84 | 248 | 3.0 | 2.7 | 288 | 4.3 | 3.2 | -40 |
| 85 and over | 307 | 3.7 | 2.9 | 285 | 4.3 | 3.1 | +22 |
| Total population | 8,345 | 100.0 | 100.0 | 6,691 | 100.0 | 100.0 | +1,654 |
Dominant groups
Analysis of the five year age groups of Chelsea in 2021 compared to Mentone & Parkdale (west) Planning area shows that there was a higher proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).
Overall, 17.1% of the population was aged between 0 and 15, and 20.0% were aged 65 years and over, compared with 15.5% and 20.0% respectively for Mentone & Parkdale (west) Planning area.
The major differences between the age structure of Chelsea and Mentone & Parkdale (west) Planning area were:
- A larger percentage of persons aged 30 to 34 (8.7% compared to 6.2%)
- A larger percentage of persons aged 0 to 4 (6.4% compared to 4.4%)
- A larger percentage of persons aged 35 to 39 (8.1% compared to 6.5%)
- A smaller percentage of persons aged 15 to 19 (3.6% compared to 5.5%)
Emerging groups
From 2006 to 2021, Chelsea's population increased by 1,654 people (24.7%). This represents an average annual population change of 1.48% per year over the period.
The largest changes in age structure in this area between 2006 and 2021 were in the age groups:
- 45 to 49 (+238 persons)
- 5 to 9 (+216 persons)
- 35 to 39 (+202 persons)
- 0 to 4 (+180 persons)
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