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LEARN MORE ABOUT .idIn 2021, the largest age group in Rosehill Ward was 30 to 34 year olds. The group that changed the most since 2001 was 30 to 34 year olds, increasing by 8,691 people.
The Age Structure of Rosehill Ward provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Rosehill Ward'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 Rosehill Ward'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 | |||||||
|---|---|---|---|---|---|---|---|
| Rosehill Ward - Total persons (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | North Rocks % | Number | % | North Rocks % | 2001 to 2021 |
| 0 to 4 | 5,178 | 7.0 | 5.3 | 1,944 | 6.8 | 5.7 | +3,234 |
| 5 to 9 | 3,867 | 5.2 | 7.2 | 1,679 | 5.8 | 6.0 | +2,187 |
| 10 to 14 | 2,601 | 3.5 | 7.1 | 1,525 | 5.3 | 6.5 | +1,076 |
| 15 to 19 | 2,147 | 2.9 | 5.8 | 1,636 | 5.7 | 6.9 | +510 |
| 20 to 24 | 6,059 | 8.2 | 5.6 | 2,690 | 9.3 | 7.3 | +3,369 |
| 25 to 29 | 10,748 | 14.5 | 5.3 | 3,170 | 11.0 | 5.8 | +7,577 |
| 30 to 34 | 11,762 | 15.9 | 5.9 | 3,071 | 10.7 | 6.3 | +8,691 |
| 35 to 39 | 9,165 | 12.4 | 7.6 | 2,758 | 9.6 | 7.4 | +6,406 |
| 40 to 44 | 5,481 | 7.4 | 7.4 | 2,276 | 7.9 | 7.5 | +3,204 |
| 45 to 49 | 3,677 | 5.0 | 7.4 | 1,839 | 6.4 | 7.5 | +1,837 |
| 50 to 54 | 3,019 | 4.1 | 6.2 | 1,544 | 5.4 | 8.9 | +1,475 |
| 55 to 59 | 2,724 | 3.7 | 6.1 | 1,066 | 3.7 | 8.6 | +1,658 |
| 60 to 64 | 2,407 | 3.3 | 5.4 | 790 | 2.7 | 5.7 | +1,616 |
| 65 to 69 | 1,999 | 2.7 | 4.8 | 658 | 2.3 | 3.5 | +1,340 |
| 70 to 74 | 1,345 | 1.8 | 4.9 | 732 | 2.5 | 2.4 | +612 |
| 75 to 79 | 787 | 1.1 | 4.0 | 609 | 2.1 | 1.6 | +177 |
| 80 to 84 | 492 | 0.7 | 2.3 | 437 | 1.5 | 1.3 | +54 |
| 85 and over | 449 | 0.6 | 1.6 | 345 | 1.2 | 1.0 | +104 |
| Total population | 73,907 | 100.0 | 100.0 | 28,778 | 100.0 | 100.0 | +45,129 |
Dominant groups
Analysis of the five year age groups of Rosehill Ward in 2021 compared to North Rocks shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 15.8% of the population was aged between 0 and 15, and 6.9% were aged 65 years and over, compared with 19.6% and 17.6% respectively for North Rocks.
The major differences between the age structure of Rosehill Ward and North Rocks were:
- A larger percentage of persons aged 30 to 34 (15.9% compared to 5.9%)
- A larger percentage of persons aged 25 to 29 (14.5% compared to 5.3%)
- A larger percentage of persons aged 35 to 39 (12.4% compared to 7.6%)
- A smaller percentage of persons aged 10 to 14 (3.5% compared to 7.1%)
Emerging groups
From 2001 to 2021, Rosehill Ward's population increased by 45,129 people (156.8%). This represents an average annual population change of 4.83% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 30 to 34 (+8,691 persons)
- 25 to 29 (+7,577 persons)
- 35 to 39 (+6,406 persons)
- 20 to 24 (+3,369 persons)
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