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LEARN MORE ABOUT .idIn 2021, the largest age group in Blacktown City was 35 to 39 year olds. The group that changed the most since 2016 was 35 to 39 year olds, increasing by 4,230 people.
The Age Structure of Blacktown City 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 City'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 City'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 City - Total males (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Mount Druitt Precinct % | Number | % | Mount Druitt Precinct % | 2016 to 2021 |
| 0 to 4 | 15,368 | 7.8 | 7.9 | 13,683 | 8.2 | 8.6 | +1,685 |
| 5 to 9 | 15,983 | 8.1 | 8.3 | 13,797 | 8.2 | 8.7 | +2,186 |
| 10 to 14 | 14,863 | 7.5 | 8.1 | 11,928 | 7.1 | 8.0 | +2,935 |
| 15 to 19 | 12,642 | 6.4 | 7.2 | 12,066 | 7.2 | 8.1 | +576 |
| 20 to 24 | 13,849 | 7.0 | 7.4 | 11,776 | 7.0 | 7.6 | +2,073 |
| 25 to 29 | 14,012 | 7.1 | 6.9 | 11,775 | 7.0 | 7.0 | +2,237 |
| 30 to 34 | 14,743 | 7.5 | 6.7 | 13,507 | 8.1 | 7.3 | +1,236 |
| 35 to 39 | 17,873 | 9.0 | 7.2 | 13,643 | 8.1 | 6.9 | +4,230 |
| 40 to 44 | 15,961 | 8.1 | 6.7 | 12,167 | 7.3 | 6.3 | +3,794 |
| 45 to 49 | 12,956 | 6.5 | 6.1 | 10,780 | 6.4 | 6.3 | +2,176 |
| 50 to 54 | 10,950 | 5.5 | 6.0 | 10,081 | 6.0 | 6.1 | +869 |
| 55 to 59 | 10,006 | 5.1 | 5.7 | 8,884 | 5.3 | 5.4 | +1,122 |
| 60 to 64 | 8,568 | 4.3 | 4.9 | 7,536 | 4.5 | 4.3 | +1,032 |
| 65 to 69 | 7,004 | 3.5 | 3.7 | 6,243 | 3.7 | 3.7 | +761 |
| 70 to 74 | 5,736 | 2.9 | 3.1 | 4,148 | 2.5 | 2.5 | +1,588 |
| 75 to 79 | 3,606 | 1.8 | 2.0 | 2,705 | 1.6 | 1.6 | +901 |
| 80 to 84 | 2,182 | 1.1 | 1.2 | 1,620 | 1.0 | 0.9 | +562 |
| 85 and over | 1,559 | 0.8 | 0.8 | 1,248 | 0.7 | 0.6 | +311 |
| Total population | 197,861 | 100.0 | 100.0 | 167,587 | 100.0 | 100.0 | +30,274 |
Dominant groups
Analysis of the male five year age groups of Blacktown City in 2021 compared to Mount Druitt Precinct 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, 23.4% of the male population was aged between 0 and 15, and 10.2% were aged 65 years and over, compared with 24.3% and 10.8% respectively for Mount Druitt Precinct.
The major differences between the male age structure of Blacktown City and Mount Druitt Precinct were:
- A larger percentage of males aged 35 to 39 (9.0% compared to 7.2%)
- A larger percentage of males aged 40 to 44 (8.1% compared to 6.7%)
- A larger percentage of males aged 30 to 34 (7.5% compared to 6.7%)
- A smaller percentage of males aged 15 to 19 (6.4% compared to 7.2%)
Emerging groups
From 2016 to 2021, Blacktown City's male population increased by 30,274 people (18.1%). This represents an average annual population change of 3.38% per year over the period.
The largest changes in male age structure in this area between 2016 and 2021 were in the age groups:
- 35 to 39 (+4,230 males)
- 40 to 44 (+3,794 males)
- 10 to 14 (+2,935 males)
- 25 to 29 (+2,237 males)
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