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LEARN MORE ABOUT .idIn 2021, the largest age group in Christie Downs was 70 to 74 year olds. The group that changed the most since 2016 was 0 to 4 year olds, decreasing by 59 people.
The Age Structure of Christie Downs provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Christie Downs'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 Christie Downs'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 | |||||||
|---|---|---|---|---|---|---|---|
| Christie Downs - Total females (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | City of Onkaparinga % | Number | % | City of Onkaparinga % | 2016 to 2021 |
| 0 to 4 | 129 | 4.9 | 5.1 | 188 | 6.9 | 5.9 | -59 |
| 5 to 9 | 160 | 6.1 | 5.9 | 158 | 5.8 | 6.1 | +2 |
| 10 to 14 | 155 | 5.9 | 5.8 | 141 | 5.2 | 5.8 | +14 |
| 15 to 19 | 132 | 5.0 | 5.6 | 182 | 6.7 | 6.0 | -50 |
| 20 to 24 | 131 | 5.0 | 5.4 | 157 | 5.8 | 5.8 | -26 |
| 25 to 29 | 175 | 6.7 | 5.9 | 160 | 5.9 | 5.8 | +15 |
| 30 to 34 | 158 | 6.0 | 6.2 | 183 | 6.7 | 6.6 | -25 |
| 35 to 39 | 182 | 6.9 | 6.8 | 175 | 6.4 | 6.4 | +7 |
| 40 to 44 | 171 | 6.5 | 6.3 | 142 | 5.2 | 6.4 | +29 |
| 45 to 49 | 144 | 5.5 | 6.2 | 157 | 5.8 | 6.9 | -13 |
| 50 to 54 | 142 | 5.4 | 6.7 | 146 | 5.4 | 6.7 | -4 |
| 55 to 59 | 160 | 6.1 | 6.5 | 146 | 5.4 | 6.9 | +14 |
| 60 to 64 | 146 | 5.6 | 6.6 | 190 | 7.0 | 6.5 | -44 |
| 65 to 69 | 176 | 6.7 | 6.2 | 195 | 7.2 | 6.2 | -19 |
| 70 to 74 | 186 | 7.1 | 5.9 | 133 | 4.9 | 4.4 | +53 |
| 75 to 79 | 114 | 4.3 | 3.9 | 100 | 3.7 | 2.9 | +14 |
| 80 to 84 | 82 | 3.1 | 2.5 | 69 | 2.5 | 2.1 | +13 |
| 85 and over | 81 | 3.1 | 2.6 | 105 | 3.9 | 2.5 | -24 |
| Total population | 2,624 | 100.0 | 100.0 | 2,727 | 100.0 | 100.0 | -103 |
Dominant groups
Analysis of the female five year age groups of Christie Downs in 2021 compared to the City of Onkaparinga shows that there was a similar proportion of females in the younger age groups (under 15) and a higher proportion of females in the older age groups (65+).
Overall, 16.9% of the female population was aged between 0 and 15, and 24.4% were aged 65 years and over, compared with 16.8% and 21.0% respectively for the City of Onkaparinga.
The major differences between the female age structure of Christie Downs and the City of Onkaparinga were:
- A larger percentage of females aged 70 to 74 (7.1% compared to 5.9%)
- A larger percentage of females aged 25 to 29 (6.7% compared to 5.9%)
- A smaller percentage of females aged 50 to 54 (5.4% compared to 6.7%)
- A smaller percentage of females aged 60 to 64 (5.6% compared to 6.6%)
Emerging groups
From 2016 to 2021, Christie Downs's female population decreased by 103 people (3.8%). This represents an average annual population change of -0.77% per year over the period.
The largest changes in female age structure in this area between 2016 and 2021 were in the age groups:
- 0 to 4 (-59 females)
- 70 to 74 (+53 females)
- 15 to 19 (-50 females)
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