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LEARN MORE ABOUT .idIn 2021, the largest age group in Helena Valley - Boya was 55 to 59 year olds. The group that changed the most since 1991 was 70 to 74 year olds, increasing by 152 people.
The Age Structure of Helena Valley - Boya provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Helena Valley - Boya'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 Helena Valley - Boya'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 | |||||||
|---|---|---|---|---|---|---|---|
| Helena Valley - Boya - Total females (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Mundaring - Mahogany Creek % | Number | % | Mundaring - Mahogany Creek % | 1991 to 2021 |
| 0 to 4 | 150 | 6.3 | 3.9 | 55 | 6.3 | 7.1 | +95 |
| 5 to 9 | 136 | 5.7 | 5.1 | 72 | 8.2 | 8.3 | +64 |
| 10 to 14 | 117 | 4.9 | 6.6 | 88 | 10.0 | 8.3 | +29 |
| 15 to 19 | 130 | 5.5 | 5.7 | 77 | 8.8 | 8.1 | +53 |
| 20 to 24 | 132 | 5.5 | 4.0 | 38 | 4.3 | 5.2 | +94 |
| 25 to 29 | 129 | 5.4 | 2.9 | 47 | 5.3 | 4.2 | +82 |
| 30 to 34 | 164 | 6.9 | 4.6 | 57 | 6.5 | 7.1 | +107 |
| 35 to 39 | 149 | 6.3 | 4.7 | 101 | 11.5 | 7.9 | +48 |
| 40 to 44 | 122 | 5.1 | 6.1 | 98 | 11.1 | 10.0 | +24 |
| 45 to 49 | 146 | 6.1 | 7.0 | 50 | 5.7 | 7.2 | +96 |
| 50 to 54 | 151 | 6.3 | 8.3 | 45 | 5.1 | 4.9 | +106 |
| 55 to 59 | 172 | 7.2 | 7.1 | 50 | 5.7 | 5.7 | +122 |
| 60 to 64 | 138 | 5.8 | 7.3 | 41 | 4.7 | 3.6 | +97 |
| 65 to 69 | 155 | 6.5 | 6.5 | 27 | 3.1 | 3.0 | +128 |
| 70 to 74 | 167 | 7.0 | 6.9 | 15 | 1.7 | 3.8 | +152 |
| 75 to 79 | 96 | 4.0 | 5.2 | 12 | 1.4 | 3.3 | +84 |
| 80 to 84 | 85 | 3.6 | 3.4 | 6 | 0.7 | 1.7 | +79 |
| 85 and over | 44 | 1.8 | 4.5 | 0 | -- | 0.7 | +44 |
| Total population | 2,383 | 100.0 | 100.0 | 879 | 100.0 | 100.0 | +1,504 |
Dominant groups
Analysis of the female five year age groups of Helena Valley - Boya in 2021 compared to Mundaring - Mahogany Creek shows that there was a higher proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 16.9% of the female population was aged between 0 and 15, and 23.0% were aged 65 years and over, compared with 15.6% and 26.6% respectively for Mundaring - Mahogany Creek.
The major differences between the female age structure of Helena Valley - Boya and Mundaring - Mahogany Creek were:
- A larger percentage of females aged 25 to 29 (5.4% compared to 2.9%)
- A larger percentage of females aged 0 to 4 (6.3% compared to 3.9%)
- A larger percentage of females aged 30 to 34 (6.9% compared to 4.6%)
- A smaller percentage of females aged 85 and over (1.8% compared to 4.5%)
Emerging groups
From 1991 to 2021, Helena Valley - Boya's female population increased by 1,504 people (171.1%). This represents an average annual population change of 3.38% per year over the period.
The largest changes in female age structure in this area between 1991 and 2021 were in the age groups:
- 70 to 74 (+152 females)
- 65 to 69 (+128 females)
- 55 to 59 (+122 females)
- 30 to 34 (+107 females)
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