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LEARN MORE ABOUT .idIn 2021, the largest age group in Rouse Hill was 15 to 19 year olds. The group that changed the most since 1991 was 15 to 19 year olds, increasing by 782 people.
The Age Structure of Rouse Hill provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Rouse Hill'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 Rouse Hill'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 | |||||||
|---|---|---|---|---|---|---|---|
| Rouse Hill - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Kellyville % | Number | % | Kellyville % | 1991 to 2021 |
| 0 to 4 | 492 | 5.8 | 5.8 | 16 | 6.0 | 8.7 | +476 |
| 5 to 9 | 683 | 8.0 | 7.9 | 18 | 6.8 | 11.4 | +665 |
| 10 to 14 | 704 | 8.2 | 8.0 | 22 | 8.6 | 9.8 | +681 |
| 15 to 19 | 811 | 9.5 | 7.8 | 28 | 10.8 | 8.1 | +782 |
| 20 to 24 | 564 | 6.6 | 6.3 | 20 | 7.9 | 7.3 | +543 |
| 25 to 29 | 388 | 4.5 | 4.6 | 20 | 7.8 | 5.6 | +367 |
| 30 to 34 | 415 | 4.9 | 5.1 | 22 | 8.6 | 8.0 | +392 |
| 35 to 39 | 753 | 8.8 | 8.0 | 18 | 6.8 | 10.3 | +735 |
| 40 to 44 | 742 | 8.7 | 8.7 | 21 | 8.0 | 8.7 | +721 |
| 45 to 49 | 794 | 9.3 | 8.1 | 19 | 7.4 | 6.3 | +774 |
| 50 to 54 | 680 | 8.0 | 6.9 | 11 | 4.5 | 4.4 | +668 |
| 55 to 59 | 449 | 5.3 | 5.7 | 15 | 5.7 | 2.9 | +434 |
| 60 to 64 | 345 | 4.0 | 4.8 | 9 | 3.6 | 2.7 | +336 |
| 65 to 69 | 263 | 3.1 | 4.1 | 7 | 2.9 | 2.6 | +255 |
| 70 to 74 | 200 | 2.3 | 3.3 | 6 | 2.4 | 1.6 | +194 |
| 75 to 79 | 134 | 1.6 | 2.6 | 2 | 1.1 | 1.0 | +131 |
| 80 to 84 | 79 | 0.9 | 1.4 | 2 | 0.9 | 0.4 | +77 |
| 85 and over | 51 | 0.6 | 1.1 | 1 | 0.4 | 0.3 | +50 |
| Total population | 8,547 | 100.0 | 100.0 | 266 | 100.0 | 100.0 | +8,281 |
Dominant groups
Analysis of the five year age groups of Rouse Hill in 2021 compared to Kellyville shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 22.0% of the population was aged between 0 and 15, and 8.5% were aged 65 years and over, compared with 21.6% and 12.4% respectively for Kellyville.
The major differences between the age structure of Rouse Hill and Kellyville were:
- A larger percentage of persons aged 15 to 19 (9.5% compared to 7.8%)
- A larger percentage of persons aged 45 to 49 (9.3% compared to 8.1%)
- A larger percentage of persons aged 50 to 54 (8.0% compared to 6.9%)
- A smaller percentage of persons aged 65 to 69 (3.1% compared to 4.1%)
Emerging groups
From 1991 to 2021, Rouse Hill's population increased by 8,281 people (3113.2%). This represents an average annual population change of 12.26% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 15 to 19 (+782 persons)
- 45 to 49 (+774 persons)
- 35 to 39 (+735 persons)
- 40 to 44 (+721 persons)
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