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LEARN MORE ABOUT .idIn 2021, the largest age group in Blacktown Precinct was 35 to 39 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 756 people.
The Age Structure of Blacktown Precinct 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 Precinct'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 Precinct'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 Precinct - Total females (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | WSROC Region % | Number | % | WSROC Region % | 2016 to 2021 |
| 0 to 4 | 4,485 | 6.5 | 6.5 | 4,812 | 7.3 | 7.1 | -327 |
| 5 to 9 | 4,432 | 6.4 | 6.8 | 4,474 | 6.8 | 6.9 | -42 |
| 10 to 14 | 4,146 | 6.0 | 6.4 | 3,800 | 5.7 | 6.1 | +345 |
| 15 to 19 | 3,726 | 5.4 | 5.8 | 3,971 | 6.0 | 6.2 | -245 |
| 20 to 24 | 4,542 | 6.6 | 6.5 | 4,238 | 6.4 | 6.7 | +303 |
| 25 to 29 | 5,123 | 7.4 | 7.4 | 5,074 | 7.7 | 7.7 | +48 |
| 30 to 34 | 5,574 | 8.1 | 8.1 | 5,768 | 8.7 | 8.3 | -194 |
| 35 to 39 | 5,813 | 8.4 | 8.2 | 5,088 | 7.7 | 7.3 | +724 |
| 40 to 44 | 4,866 | 7.1 | 6.9 | 4,354 | 6.6 | 6.9 | +512 |
| 45 to 49 | 4,204 | 6.1 | 6.3 | 4,116 | 6.2 | 6.6 | +88 |
| 50 to 54 | 4,038 | 5.9 | 6.0 | 3,954 | 6.0 | 6.3 | +84 |
| 55 to 59 | 3,815 | 5.5 | 5.6 | 3,965 | 6.0 | 6.0 | -151 |
| 60 to 64 | 3,693 | 5.4 | 5.3 | 3,576 | 5.4 | 5.1 | +117 |
| 65 to 69 | 3,318 | 4.8 | 4.5 | 2,987 | 4.5 | 4.2 | +331 |
| 70 to 74 | 2,743 | 4.0 | 3.7 | 1,987 | 3.0 | 3.0 | +756 |
| 75 to 79 | 1,815 | 2.6 | 2.4 | 1,489 | 2.3 | 2.2 | +326 |
| 80 to 84 | 1,223 | 1.8 | 1.7 | 1,223 | 1.9 | 1.6 | 0 |
| 85 and over | 1,373 | 2.0 | 1.8 | 1,222 | 1.8 | 1.8 | +150 |
| Total population | 68,929 | 100.0 | 100.0 | 66,105 | 100.0 | 100.0 | +2,823 |
Dominant groups
Analysis of the female five year age groups of Blacktown Precinct in 2021 compared to WSROC Region shows that there was a lower proportion of females in the younger age groups (under 15) and a higher proportion of females in the older age groups (65+).
Overall, 19.0% of the female population was aged between 0 and 15, and 15.2% were aged 65 years and over, compared with 19.8% and 14.1% respectively for WSROC Region.
There were no major differences between Blacktown Precinct and WSROC Region in 2021.
Emerging groups
From 2016 to 2021, Blacktown Precinct's female population increased by 2,824 people (4.3%). This represents an average annual population change of 0.84% per year over the period.
The largest changes in female age structure in this area between 2016 and 2021 were in the age groups:
- 70 to 74 (+756 females)
- 35 to 39 (+724 females)
- 40 to 44 (+512 females)
- 10 to 14 (+345 females)
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