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LEARN MORE ABOUT .idIn 2021, the largest age group in Blacktown was 25 to 29 year olds. The group that changed the most since 2001 was 25 to 29 year olds, increasing by 944 people.
The Age Structure of Blacktown provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Blacktown'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 Blacktown'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 | |||||||
|---|---|---|---|---|---|---|---|
| Blacktown - Total males (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | WSROC Region % | Number | % | WSROC Region % | 2001 to 2021 |
| 0 to 4 | 1,854 | 7.2 | 6.9 | 1,449 | 7.8 | 8.1 | +405 |
| 5 to 9 | 1,682 | 6.5 | 7.2 | 1,320 | 7.1 | 8.2 | +361 |
| 10 to 14 | 1,523 | 5.9 | 6.8 | 1,321 | 7.1 | 7.8 | +202 |
| 15 to 19 | 1,356 | 5.3 | 6.2 | 1,373 | 7.4 | 7.7 | -17 |
| 20 to 24 | 2,171 | 8.4 | 7.1 | 1,371 | 7.4 | 7.4 | +800 |
| 25 to 29 | 2,459 | 9.5 | 7.7 | 1,515 | 8.2 | 7.7 | +944 |
| 30 to 34 | 2,217 | 8.6 | 7.8 | 1,476 | 8.0 | 7.9 | +741 |
| 35 to 39 | 2,348 | 9.1 | 8.2 | 1,479 | 8.0 | 8.1 | +868 |
| 40 to 44 | 1,878 | 7.3 | 7.1 | 1,366 | 7.4 | 7.7 | +512 |
| 45 to 49 | 1,448 | 5.6 | 6.3 | 1,199 | 6.5 | 6.8 | +248 |
| 50 to 54 | 1,349 | 5.2 | 5.8 | 1,085 | 5.9 | 6.4 | +263 |
| 55 to 59 | 1,372 | 5.3 | 5.6 | 802 | 4.3 | 4.7 | +570 |
| 60 to 64 | 1,112 | 4.3 | 5.0 | 791 | 4.3 | 3.6 | +321 |
| 65 to 69 | 951 | 3.7 | 4.1 | 721 | 3.9 | 2.7 | +230 |
| 70 to 74 | 749 | 2.9 | 3.4 | 589 | 3.2 | 2.3 | +160 |
| 75 to 79 | 531 | 2.1 | 2.3 | 389 | 2.1 | 1.6 | +141 |
| 80 to 84 | 413 | 1.6 | 1.4 | 189 | 1.0 | 0.9 | +223 |
| 85 and over | 374 | 1.5 | 1.1 | 103 | 0.6 | 0.5 | +270 |
| Total population | 25,787 | 100.0 | 100.0 | 18,546 | 100.0 | 100.0 | +7,241 |
Dominant groups
Analysis of the male five year age groups of Blacktown in 2021 compared to WSROC Region shows that there was a lower proportion of males in the younger age groups (under 15) as well as a lower proportion of males in the older age groups (65+).
Overall, 19.6% of the male population was aged between 0 and 15, and 11.7% were aged 65 years and over, compared with 21.0% and 12.3% respectively for WSROC Region.
The major differences between the male age structure of Blacktown and WSROC Region were:
- A larger percentage of males aged 25 to 29 (9.5% compared to 7.7%)
- A larger percentage of males aged 20 to 24 (8.4% compared to 7.1%)
- A larger percentage of males aged 35 to 39 (9.1% compared to 8.2%)
- A smaller percentage of males aged 15 to 19 (5.3% compared to 6.2%)
Emerging groups
From 2001 to 2021, Blacktown's male population increased by 7,241 people (39.0%). This represents an average annual population change of 1.66% per year over the period.
The largest changes in male age structure in this area between 2001 and 2021 were in the age groups:
- 25 to 29 (+944 males)
- 35 to 39 (+868 males)
- 20 to 24 (+800 males)
- 30 to 34 (+741 males)
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