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LEARN MORE ABOUT .idIn 2021, the largest age group in Kellyville Ridge was 40 to 44 year olds. The group that changed the most since 2016 was 0 to 4 year olds, decreasing by 322 people.
The Age Structure of Kellyville Ridge provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Kellyville Ridge'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 Kellyville Ridge'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 | |||||||
|---|---|---|---|---|---|---|---|
| Kellyville Ridge - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Blacktown City % | Number | % | Blacktown City % | 2016 to 2021 |
| 0 to 4 | 725 | 6.7 | 7.5 | 1,047 | 10.0 | 8.0 | -322 |
| 5 to 9 | 1,067 | 9.8 | 7.9 | 1,122 | 10.7 | 7.9 | -55 |
| 10 to 14 | 1,045 | 9.6 | 7.3 | 930 | 8.9 | 6.9 | +115 |
| 15 to 19 | 843 | 7.7 | 6.1 | 680 | 6.5 | 6.9 | +163 |
| 20 to 24 | 629 | 5.8 | 6.7 | 539 | 5.1 | 6.8 | +90 |
| 25 to 29 | 486 | 4.5 | 7.0 | 592 | 5.7 | 7.2 | -106 |
| 30 to 34 | 612 | 5.6 | 7.9 | 916 | 8.7 | 8.3 | -304 |
| 35 to 39 | 1,059 | 9.7 | 9.2 | 1,116 | 10.7 | 8.1 | -57 |
| 40 to 44 | 1,116 | 10.2 | 7.8 | 1,104 | 10.5 | 7.2 | +12 |
| 45 to 49 | 1,067 | 9.8 | 6.4 | 761 | 7.3 | 6.5 | +306 |
| 50 to 54 | 735 | 6.7 | 5.6 | 499 | 4.8 | 6.0 | +236 |
| 55 to 59 | 470 | 4.3 | 5.1 | 400 | 3.8 | 5.4 | +70 |
| 60 to 64 | 346 | 3.2 | 4.5 | 286 | 2.7 | 4.6 | +60 |
| 65 to 69 | 263 | 2.4 | 3.7 | 211 | 2.0 | 3.8 | +52 |
| 70 to 74 | 203 | 1.9 | 3.1 | 142 | 1.4 | 2.5 | +61 |
| 75 to 79 | 129 | 1.2 | 1.9 | 75 | 0.7 | 1.7 | +54 |
| 80 to 84 | 57 | 0.5 | 1.2 | 33 | 0.3 | 1.1 | +24 |
| 85 and over | 40 | 0.4 | 1.1 | 20 | 0.2 | 1.1 | +20 |
| Total population | 10,892 | 100.0 | 100.0 | 10,473 | 100.0 | 100.0 | +419 |
Dominant groups
Analysis of the five year age groups of Kellyville Ridge in 2021 compared to Blacktown City 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, 26.0% of the population was aged between 0 and 15, and 6.4% were aged 65 years and over, compared with 22.7% and 11.0% respectively for Blacktown City.
The major differences between the age structure of Kellyville Ridge and Blacktown City were:
- A larger percentage of persons aged 45 to 49 (9.8% compared to 6.4%)
- A larger percentage of persons aged 40 to 44 (10.2% compared to 7.8%)
- A larger percentage of persons aged 10 to 14 (9.6% compared to 7.3%)
- A smaller percentage of persons aged 25 to 29 (4.5% compared to 7.0%)
Emerging groups
From 2016 to 2021, Kellyville Ridge's population increased by 419 people (4.0%). This represents an average annual population change of 0.79% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 0 to 4 (-322 persons)
- 45 to 49 (+306 persons)
- 30 to 34 (-304 persons)
- 50 to 54 (+236 persons)
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