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LEARN MORE ABOUT .idIn 2021, the largest age group in O'Halloran Hill was 30 to 34 year olds. The group that changed the most since 2006 was 75 to 79 year olds, increasing by 89 people.
The Age Structure of O'Halloran Hill provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of O'Halloran Hill'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 O'Halloran Hill's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
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Age structure - Five year age groups | |||||||
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O'Halloran Hill - Total persons (Usual residence) | 2021 | 2006 | Change | ||||
Five year age groups (years) | Number | % | Willunga and Surrounds % | Number | % | Willunga and Surrounds % | 2006 to 2021 |
0 to 4 | 131 | 5.6 | 4.0 | 143 | 6.2 | 4.9 | -13 |
5 to 9 | 145 | 6.1 | 6.4 | 148 | 6.4 | 7.6 | -3 |
10 to 14 | 134 | 5.7 | 6.3 | 110 | 4.8 | 8.9 | +24 |
15 to 19 | 106 | 4.5 | 5.9 | 155 | 6.7 | 8.2 | -50 |
20 to 24 | 128 | 5.4 | 4.9 | 151 | 6.6 | 4.3 | -24 |
25 to 29 | 158 | 6.7 | 3.5 | 176 | 7.6 | 3.1 | -18 |
30 to 34 | 196 | 8.3 | 3.5 | 160 | 6.9 | 6.0 | +36 |
35 to 39 | 153 | 6.5 | 4.7 | 154 | 6.7 | 7.1 | -2 |
40 to 44 | 185 | 7.8 | 6.5 | 156 | 6.8 | 7.7 | +29 |
45 to 49 | 125 | 5.3 | 7.3 | 174 | 7.6 | 9.6 | -50 |
50 to 54 | 158 | 6.7 | 8.5 | 162 | 7.1 | 7.1 | -5 |
55 to 59 | 138 | 5.8 | 7.6 | 192 | 8.4 | 7.2 | -55 |
60 to 64 | 128 | 5.4 | 8.7 | 197 | 8.6 | 6.1 | -70 |
65 to 69 | 122 | 5.2 | 7.8 | 85 | 3.7 | 4.4 | +37 |
70 to 74 | 143 | 6.1 | 6.3 | 56 | 2.5 | 3.1 | +86 |
75 to 79 | 134 | 5.7 | 4.0 | 45 | 2.0 | 2.4 | +89 |
80 to 84 | 53 | 2.2 | 2.5 | 28 | 1.2 | 1.3 | +25 |
85 and over | 23 | 1.0 | 1.5 | 6 | 0.3 | 1.0 | +17 |
Total population | 2,360 | 100.0 | 100.0 | 2,307 | 100.0 | 100.0 | +52 |
Analysis of the five year age groups of O'Halloran Hill in 2021 compared to Willunga and Surrounds 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, 17.4% of the population was aged between 0 and 15, and 20.1% were aged 65 years and over, compared with 16.8% and 22.2% respectively for Willunga and Surrounds.
The major differences between the age structure of O'Halloran Hill and Willunga and Surrounds were:
From 2006 to 2021, O'Halloran Hill's population increased by 53 people (2.3%). This represents an average annual population change of 0.15% per year over the period.
The largest changes in age structure in this area between 2006 and 2021 were in the age groups:
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