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LEARN MORE ABOUT .idIn 2021, the largest age group in Bonnyrigg Heights was 55 to 59 year olds. The group that changed the most since 1996 was 55 to 59 year olds, increasing by 225 people.
The Age Structure of Bonnyrigg Heights provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Bonnyrigg Heights'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 Bonnyrigg Heights'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 | |||||||
|---|---|---|---|---|---|---|---|
| Bonnyrigg Heights - Total females (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | Fairfield City % | Number | % | Fairfield City % | 1996 to 2021 |
| 0 to 4 | 171 | 4.6 | 5.0 | 282 | 9.5 | 7.7 | -111 |
| 5 to 9 | 186 | 5.0 | 5.8 | 285 | 9.6 | 7.6 | -100 |
| 10 to 14 | 263 | 7.1 | 6.2 | 284 | 9.6 | 7.9 | -21 |
| 15 to 19 | 271 | 7.3 | 6.6 | 232 | 7.8 | 7.7 | +39 |
| 20 to 24 | 254 | 6.9 | 6.8 | 229 | 7.7 | 8.1 | +25 |
| 25 to 29 | 281 | 7.6 | 6.5 | 244 | 8.2 | 8.0 | +37 |
| 30 to 34 | 206 | 5.6 | 6.1 | 321 | 10.8 | 8.2 | -116 |
| 35 to 39 | 227 | 6.1 | 6.2 | 304 | 10.2 | 8.7 | -78 |
| 40 to 44 | 191 | 5.2 | 6.2 | 271 | 9.1 | 7.7 | -80 |
| 45 to 49 | 264 | 7.1 | 6.7 | 169 | 5.7 | 6.7 | +94 |
| 50 to 54 | 266 | 7.2 | 6.8 | 100 | 3.4 | 4.7 | +165 |
| 55 to 59 | 296 | 8.0 | 6.7 | 71 | 2.4 | 4.1 | +225 |
| 60 to 64 | 266 | 7.2 | 6.7 | 54 | 1.8 | 3.5 | +211 |
| 65 to 69 | 247 | 6.7 | 5.6 | 54 | 1.8 | 3.3 | +192 |
| 70 to 74 | 140 | 3.8 | 4.4 | 45 | 1.5 | 2.7 | +94 |
| 75 to 79 | 87 | 2.3 | 2.8 | 8 | 0.3 | 1.7 | +78 |
| 80 to 84 | 50 | 1.3 | 2.2 | 8 | 0.3 | 1.1 | +41 |
| 85 and over | 42 | 1.1 | 2.5 | 6 | 0.2 | 0.7 | +35 |
| Total population | 3,708 | 100.0 | 100.0 | 2,976 | 100.0 | 100.0 | +731 |
Dominant groups
Analysis of the female five year age groups of Bonnyrigg Heights in 2021 compared to Fairfield City shows that there was a similar proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 16.7% of the female population was aged between 0 and 15, and 15.3% were aged 65 years and over, compared with 17.1% and 17.5% respectively for Fairfield City.
The major differences between the female age structure of Bonnyrigg Heights and Fairfield City were:
- A larger percentage of females aged 55 to 59 (8.0% compared to 6.7%)
- A larger percentage of females aged 25 to 29 (7.6% compared to 6.5%)
- A smaller percentage of females aged 85 and over (1.1% compared to 2.5%)
- A smaller percentage of females aged 40 to 44 (5.2% compared to 6.2%)
Emerging groups
From 1996 to 2021, Bonnyrigg Heights's female population increased by 732 people (24.6%). This represents an average annual population change of 0.88% per year over the period.
The largest changes in female age structure in this area between 1996 and 2021 were in the age groups:
- 55 to 59 (+225 females)
- 60 to 64 (+211 females)
- 65 to 69 (+192 females)
- 50 to 54 (+165 females)
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