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LEARN MORE ABOUT .idIn 2021, the largest age group in Duncraig was 10 to 14 year olds. The group that changed the most since 2001 was 15 to 19 year olds, decreasing by 643 people.
The Age Structure of Duncraig provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Duncraig'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 Duncraig'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 | |||||||
|---|---|---|---|---|---|---|---|
| Duncraig - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Kallaroo % | Number | % | Kallaroo % | 2001 to 2021 |
| 0 to 4 | 873 | 5.6 | 4.4 | 809 | 5.2 | 4.9 | +64 |
| 5 to 9 | 1,155 | 7.4 | 5.5 | 973 | 6.2 | 7.0 | +182 |
| 10 to 14 | 1,427 | 9.1 | 6.9 | 1,330 | 8.5 | 8.6 | +97 |
| 15 to 19 | 1,038 | 6.7 | 7.2 | 1,681 | 10.8 | 9.4 | -643 |
| 20 to 24 | 650 | 4.2 | 5.9 | 1,085 | 6.9 | 7.0 | -435 |
| 25 to 29 | 488 | 3.1 | 4.1 | 751 | 4.8 | 4.8 | -263 |
| 30 to 34 | 664 | 4.3 | 4.6 | 867 | 5.6 | 4.4 | -203 |
| 35 to 39 | 1,075 | 6.9 | 5.8 | 938 | 6.0 | 6.8 | +137 |
| 40 to 44 | 1,139 | 7.3 | 6.0 | 1,261 | 8.1 | 8.1 | -122 |
| 45 to 49 | 1,191 | 7.6 | 6.8 | 1,589 | 10.2 | 9.0 | -398 |
| 50 to 54 | 1,056 | 6.8 | 7.5 | 1,502 | 9.6 | 10.5 | -446 |
| 55 to 59 | 816 | 5.2 | 7.5 | 1,013 | 6.5 | 6.3 | -197 |
| 60 to 64 | 879 | 5.6 | 5.8 | 586 | 3.8 | 3.3 | +293 |
| 65 to 69 | 959 | 6.1 | 6.4 | 338 | 2.2 | 2.6 | +621 |
| 70 to 74 | 891 | 5.7 | 7.1 | 352 | 2.3 | 2.4 | +539 |
| 75 to 79 | 626 | 4.0 | 4.3 | 232 | 1.5 | 2.2 | +394 |
| 80 to 84 | 353 | 2.3 | 2.1 | 173 | 1.1 | 1.5 | +180 |
| 85 and over | 318 | 2.0 | 2.3 | 138 | 0.9 | 1.1 | +180 |
| Total population | 15,598 | 100.0 | 100.0 | 15,618 | 100.0 | 100.0 | -20 |
Dominant groups
Analysis of the five year age groups of Duncraig in 2021 compared to Kallaroo 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, 22.2% of the population was aged between 0 and 15, and 20.2% were aged 65 years and over, compared with 16.7% and 22.2% respectively for Kallaroo.
The major differences between the age structure of Duncraig and Kallaroo were:
- A larger percentage of persons aged 10 to 14 (9.1% compared to 6.9%)
- A larger percentage of persons aged 5 to 9 (7.4% compared to 5.5%)
- A smaller percentage of persons aged 55 to 59 (5.2% compared to 7.5%)
- A smaller percentage of persons aged 20 to 24 (4.2% compared to 5.9%)
Emerging groups
From 2001 to 2021, Duncraig's population decreased by 20 people (0.1%). This represents an average annual population change of -0.01% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 15 to 19 (-643 persons)
- 65 to 69 (+621 persons)
- 70 to 74 (+539 persons)
- 50 to 54 (-446 persons)
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