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LEARN MORE ABOUT .idIn 2021, the largest age group in North Rocks Ward was 35 to 39 year olds. The group that changed the most since 2001 was 5 to 9 year olds, increasing by 1,212 people.
The Age Structure of North Rocks 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 North Rocks 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 North Rocks 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 | |||||||
|---|---|---|---|---|---|---|---|
| North Rocks Ward - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Beecroft % | Number | % | Beecroft % | 2001 to 2021 |
| 0 to 4 | 2,470 | 5.9 | 3.7 | 2,072 | 6.0 | 5.5 | +398 |
| 5 to 9 | 3,338 | 8.0 | 5.4 | 2,126 | 6.2 | 5.8 | +1,212 |
| 10 to 14 | 2,838 | 6.8 | 8.6 | 2,376 | 6.9 | 7.6 | +461 |
| 15 to 19 | 2,354 | 5.6 | 9.5 | 2,643 | 7.7 | 8.2 | -290 |
| 20 to 24 | 2,197 | 5.2 | 5.8 | 2,391 | 6.9 | 6.1 | -194 |
| 25 to 29 | 2,052 | 4.9 | 3.3 | 2,312 | 6.7 | 3.8 | -260 |
| 30 to 34 | 2,506 | 6.0 | 3.1 | 2,248 | 6.5 | 5.1 | +257 |
| 35 to 39 | 3,542 | 8.5 | 5.5 | 2,397 | 7.0 | 6.8 | +1,144 |
| 40 to 44 | 3,217 | 7.7 | 6.8 | 2,463 | 7.2 | 8.1 | +753 |
| 45 to 49 | 2,854 | 6.8 | 7.4 | 2,435 | 7.1 | 8.0 | +418 |
| 50 to 54 | 2,585 | 6.2 | 8.2 | 2,783 | 8.1 | 6.3 | -198 |
| 55 to 59 | 2,410 | 5.7 | 6.7 | 2,781 | 8.1 | 7.4 | -371 |
| 60 to 64 | 2,253 | 5.4 | 5.6 | 1,823 | 5.3 | 6.2 | +429 |
| 65 to 69 | 1,967 | 4.7 | 5.6 | 1,188 | 3.5 | 5.2 | +779 |
| 70 to 74 | 1,898 | 4.5 | 3.7 | 838 | 2.4 | 4.9 | +1,059 |
| 75 to 79 | 1,671 | 4.0 | 4.5 | 657 | 1.9 | 2.2 | +1,013 |
| 80 to 84 | 983 | 2.3 | 3.5 | 476 | 1.4 | 2.0 | +506 |
| 85 and over | 779 | 1.9 | 2.9 | 419 | 1.2 | 0.7 | +360 |
| Total population | 41,914 | 100.0 | 100.0 | 34,437 | 100.0 | 100.0 | +7,477 |
Dominant groups
Analysis of the five year age groups of North Rocks Ward in 2021 compared to Beecroft 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, 20.6% of the population was aged between 0 and 15, and 17.4% were aged 65 years and over, compared with 17.8% and 20.2% respectively for Beecroft.
The major differences between the age structure of North Rocks Ward and Beecroft were:
- A larger percentage of persons aged 30 to 34 (6.0% compared to 3.1%)
- A larger percentage of persons aged 35 to 39 (8.5% compared to 5.5%)
- A larger percentage of persons aged 5 to 9 (8.0% compared to 5.4%)
- A smaller percentage of persons aged 15 to 19 (5.6% compared to 9.5%)
Emerging groups
From 2001 to 2021, North Rocks Ward's population increased by 7,477 people (21.7%). This represents an average annual population change of 0.99% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 5 to 9 (+1,212 persons)
- 35 to 39 (+1,144 persons)
- 70 to 74 (+1,059 persons)
- 75 to 79 (+1,013 persons)
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