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LEARN MORE ABOUT .idIn 2021, the largest age group in Blackburn North was 35 to 39 year olds. The group that changed the most since 2016 was 30 to 34 year olds, decreasing by 89 people.
The Age Structure of Blackburn North provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Blackburn North'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 Blackburn North'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 | |||||||
|---|---|---|---|---|---|---|---|
| Blackburn North - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Burwood % | Number | % | Burwood % | 2016 to 2021 |
| 0 to 4 | 406 | 5.3 | 3.7 | 478 | 6.4 | 3.6 | -72 |
| 5 to 9 | 531 | 7.0 | 3.8 | 563 | 7.6 | 3.7 | -32 |
| 10 to 14 | 572 | 7.5 | 4.6 | 485 | 6.5 | 3.9 | +87 |
| 15 to 19 | 481 | 6.3 | 6.9 | 526 | 7.1 | 9.3 | -45 |
| 20 to 24 | 451 | 5.9 | 14.3 | 396 | 5.3 | 19.4 | +55 |
| 25 to 29 | 403 | 5.3 | 11.0 | 401 | 5.4 | 11.2 | +2 |
| 30 to 34 | 428 | 5.6 | 8.3 | 517 | 7.0 | 6.3 | -89 |
| 35 to 39 | 595 | 7.8 | 6.4 | 552 | 7.4 | 4.2 | +43 |
| 40 to 44 | 591 | 7.7 | 4.8 | 582 | 7.8 | 4.9 | +9 |
| 45 to 49 | 591 | 7.7 | 5.4 | 565 | 7.6 | 5.3 | +26 |
| 50 to 54 | 525 | 6.9 | 5.4 | 489 | 6.6 | 4.6 | +36 |
| 55 to 59 | 479 | 6.3 | 4.6 | 406 | 5.5 | 4.1 | +73 |
| 60 to 64 | 382 | 5.0 | 4.4 | 319 | 4.3 | 3.5 | +63 |
| 65 to 69 | 300 | 3.9 | 3.6 | 236 | 3.2 | 3.3 | +64 |
| 70 to 74 | 231 | 3.0 | 3.3 | 243 | 3.3 | 3.1 | -12 |
| 75 to 79 | 226 | 3.0 | 3.0 | 274 | 3.7 | 2.8 | -48 |
| 80 to 84 | 220 | 2.9 | 2.8 | 205 | 2.8 | 2.7 | +15 |
| 85 and over | 225 | 2.9 | 3.7 | 201 | 2.7 | 3.9 | +24 |
| Total population | 7,637 | 100.0 | 100.0 | 7,438 | 100.0 | 100.0 | +199 |
Dominant groups
Analysis of the five year age groups of Blackburn North in 2021 compared to Burwood 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, 19.8% of the population was aged between 0 and 15, and 15.7% were aged 65 years and over, compared with 12.1% and 16.4% respectively for Burwood.
The major differences between the age structure of Blackburn North and Burwood were:
- A larger percentage of persons aged 5 to 9 (7.0% compared to 3.8%)
- A larger percentage of persons aged 40 to 44 (7.7% compared to 4.8%)
- A smaller percentage of persons aged 20 to 24 (5.9% compared to 14.3%)
- A smaller percentage of persons aged 25 to 29 (5.3% compared to 11.0%)
Emerging groups
From 2016 to 2021, Blackburn North's population increased by 199 people (2.7%). This represents an average annual population change of 0.53% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 30 to 34 (-89 persons)
- 10 to 14 (+87 persons)
- 55 to 59 (+73 persons)
- 0 to 4 (-72 persons)
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