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LEARN MORE ABOUT .idIn 2021, the largest age group in Denistone - Denistone West was 55 to 59 year olds. The group that changed the most since 1991 was 55 to 59 year olds, increasing by 101 people.
The Age Structure of Denistone - Denistone West provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Denistone - Denistone West'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 Denistone - Denistone West'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 | |||||||
|---|---|---|---|---|---|---|---|
| Denistone - Denistone West - Total females (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Ku-ring-gai Council area % | Number | % | Ku-ring-gai Council area % | 1991 to 2021 |
| 0 to 4 | 93 | 3.8 | 4.2 | 150 | 6.8 | 4.7 | -58 |
| 5 to 9 | 152 | 6.3 | 6.5 | 125 | 5.7 | 6.2 | +26 |
| 10 to 14 | 139 | 5.7 | 7.4 | 126 | 5.7 | 8.1 | +13 |
| 15 to 19 | 134 | 5.5 | 6.8 | 130 | 5.9 | 9.4 | +4 |
| 20 to 24 | 115 | 4.7 | 5.1 | 151 | 6.9 | 6.9 | -37 |
| 25 to 29 | 105 | 4.3 | 3.5 | 127 | 5.8 | 4.0 | -23 |
| 30 to 34 | 117 | 4.8 | 4.2 | 174 | 7.9 | 4.8 | -57 |
| 35 to 39 | 157 | 6.5 | 6.5 | 150 | 6.8 | 6.6 | +6 |
| 40 to 44 | 155 | 6.4 | 7.5 | 156 | 7.1 | 9.1 | -2 |
| 45 to 49 | 173 | 7.1 | 7.8 | 130 | 5.9 | 8.2 | +43 |
| 50 to 54 | 181 | 7.5 | 7.7 | 105 | 4.8 | 6.2 | +75 |
| 55 to 59 | 184 | 7.6 | 6.6 | 82 | 3.8 | 5.1 | +101 |
| 60 to 64 | 171 | 7.0 | 5.5 | 108 | 4.9 | 5.0 | +63 |
| 65 to 69 | 160 | 6.6 | 5.0 | 119 | 5.4 | 4.7 | +41 |
| 70 to 74 | 155 | 6.4 | 4.7 | 95 | 4.3 | 3.9 | +59 |
| 75 to 79 | 69 | 2.8 | 3.9 | 116 | 5.3 | 3.3 | -48 |
| 80 to 84 | 75 | 3.1 | 3.1 | 73 | 3.3 | 2.4 | +1 |
| 85 and over | 91 | 3.8 | 3.9 | 75 | 3.4 | 1.5 | +15 |
| Total population | 2,426 | 100.0 | 100.0 | 2,201 | 100.0 | 100.0 | +224 |
Dominant groups
Analysis of the female five year age groups of Denistone - Denistone West in 2021 compared to Ku-ring-gai Council area shows that there was a lower proportion of females in the younger age groups (under 15) and a higher proportion of females in the older age groups (65+).
Overall, 15.8% of the female population was aged between 0 and 15, and 22.7% were aged 65 years and over, compared with 18.2% and 20.5% respectively for Ku-ring-gai Council area.
The major differences between the female age structure of Denistone - Denistone West and Ku-ring-gai Council area were:
- A larger percentage of females aged 70 to 74 (6.4% compared to 4.7%)
- A larger percentage of females aged 65 to 69 (6.6% compared to 5.0%)
- A larger percentage of females aged 60 to 64 (7.0% compared to 5.5%)
- A smaller percentage of females aged 10 to 14 (5.7% compared to 7.4%)
Emerging groups
From 1991 to 2021, Denistone - Denistone West's female population increased by 225 people (10.2%). This represents an average annual population change of 0.32% per year over the period.
The largest changes in female age structure in this area between 1991 and 2021 were in the age groups:
- 55 to 59 (+101 females)
- 50 to 54 (+75 females)
- 60 to 64 (+63 females)
- 70 to 74 (+59 females)
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