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LEARN MORE ABOUT .idIn 2021, the largest age group in the Mountains District was 50 to 54 year olds. The group that changed the most since 1991 was 15 to 19 year olds, decreasing by 174 people.
The Age Structure of the Mountains District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the Mountains District'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 the Mountains District'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 | |||||||
|---|---|---|---|---|---|---|---|
| Mountains District - Total males (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Berkeley Vale - Chittaway Bay - Glenning Valley % | Number | % | Berkeley Vale - Chittaway Bay - Glenning Valley % | 1991 to 2021 |
| 0 to 4 | 84 | 4.2 | 7.0 | 157 | 7.7 | 10.5 | -73 |
| 5 to 9 | 92 | 4.7 | 7.0 | 135 | 6.6 | 10.5 | -43 |
| 10 to 14 | 88 | 4.4 | 7.0 | 121 | 5.9 | 8.7 | -33 |
| 15 to 19 | 102 | 5.2 | 6.2 | 275 | 13.4 | 6.3 | -174 |
| 20 to 24 | 97 | 4.9 | 6.2 | 146 | 7.2 | 4.8 | -50 |
| 25 to 29 | 94 | 4.8 | 6.3 | 126 | 6.2 | 6.7 | -32 |
| 30 to 34 | 87 | 4.4 | 6.8 | 140 | 6.8 | 9.8 | -53 |
| 35 to 39 | 115 | 5.8 | 7.1 | 164 | 8.0 | 8.8 | -49 |
| 40 to 44 | 101 | 5.1 | 6.1 | 162 | 7.9 | 7.9 | -62 |
| 45 to 49 | 137 | 6.9 | 6.0 | 158 | 7.8 | 5.0 | -22 |
| 50 to 54 | 188 | 9.5 | 5.8 | 100 | 4.9 | 3.4 | +88 |
| 55 to 59 | 178 | 9.0 | 6.3 | 88 | 4.3 | 3.0 | +89 |
| 60 to 64 | 183 | 9.3 | 6.4 | 98 | 4.8 | 3.7 | +84 |
| 65 to 69 | 147 | 7.4 | 5.3 | 75 | 3.7 | 3.9 | +72 |
| 70 to 74 | 120 | 6.1 | 4.6 | 59 | 2.9 | 3.2 | +61 |
| 75 to 79 | 83 | 4.2 | 2.5 | 25 | 1.3 | 2.3 | +57 |
| 80 to 84 | 47 | 2.4 | 1.8 | 11 | 0.6 | 1.3 | +35 |
| 85 and over | 35 | 1.8 | 1.5 | 0 | -- | 0.4 | +35 |
| Total population | 1,978 | 100.0 | 100.0 | 2,048 | 100.0 | 100.0 | -71 |
Dominant groups
Analysis of the male five year age groups of the Mountains District in 2021 compared to Berkeley Vale - Chittaway Bay - Glenning Valley shows that there was a lower proportion of males in the younger age groups (under 15) and a higher proportion of males in the older age groups (65+).
Overall, 13.3% of the male population was aged between 0 and 15, and 21.8% were aged 65 years and over, compared with 21.0% and 15.8% respectively for Berkeley Vale - Chittaway Bay - Glenning Valley.
The major differences between the male age structure of the Mountains District and Berkeley Vale - Chittaway Bay - Glenning Valley were:
- A larger percentage of males aged 50 to 54 (9.5% compared to 5.8%)
- A larger percentage of males aged 60 to 64 (9.3% compared to 6.4%)
- A larger percentage of males aged 55 to 59 (9.0% compared to 6.3%)
- A smaller percentage of males aged 0 to 4 (4.2% compared to 7.0%)
Emerging groups
From 1991 to 2021, Mountains District's male population decreased by 70 people (3.4%). This represents an average annual population change of -0.12% per year over the period.
The largest changes in male age structure in this area between 1991 and 2021 were in the age groups:
- 15 to 19 (-174 males)
- 55 to 59 (+89 males)
- 50 to 54 (+88 males)
- 60 to 64 (+84 males)
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