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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 1996 was 70 to 74 year olds, increasing by 347 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 females (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | City of Joondalup % | Number | % | City of Joondalup % | 1996 to 2021 |
| 0 to 4 | 403 | 5.1 | 5.2 | 399 | 4.9 | 6.9 | +4 |
| 5 to 9 | 550 | 6.9 | 6.1 | 590 | 7.3 | 8.2 | -40 |
| 10 to 14 | 673 | 8.5 | 6.8 | 809 | 10.0 | 9.3 | -136 |
| 15 to 19 | 468 | 5.9 | 6.2 | 814 | 10.0 | 9.0 | -346 |
| 20 to 24 | 324 | 4.1 | 5.2 | 515 | 6.3 | 6.0 | -191 |
| 25 to 29 | 233 | 2.9 | 4.4 | 347 | 4.3 | 5.8 | -114 |
| 30 to 34 | 363 | 4.6 | 5.7 | 434 | 5.3 | 7.8 | -71 |
| 35 to 39 | 584 | 7.3 | 6.8 | 682 | 8.4 | 9.9 | -98 |
| 40 to 44 | 612 | 7.7 | 6.9 | 947 | 11.6 | 10.3 | -335 |
| 45 to 49 | 592 | 7.4 | 7.1 | 927 | 11.4 | 9.0 | -335 |
| 50 to 54 | 539 | 6.8 | 7.3 | 558 | 6.9 | 5.3 | -19 |
| 55 to 59 | 430 | 5.4 | 7.0 | 303 | 3.7 | 3.2 | +127 |
| 60 to 64 | 483 | 6.1 | 6.7 | 193 | 2.4 | 2.5 | +290 |
| 65 to 69 | 507 | 6.4 | 6.0 | 185 | 2.3 | 2.3 | +322 |
| 70 to 74 | 498 | 6.3 | 5.2 | 151 | 1.9 | 1.9 | +347 |
| 75 to 79 | 300 | 3.8 | 3.1 | 116 | 1.4 | 1.3 | +184 |
| 80 to 84 | 196 | 2.5 | 2.0 | 90 | 1.1 | 0.8 | +106 |
| 85 and over | 201 | 2.5 | 2.2 | 69 | 0.8 | 0.5 | +132 |
| Total population | 7,956 | 100.0 | 100.0 | 8,129 | 100.0 | 100.0 | -173 |
Dominant groups
Analysis of the female five year age groups of Duncraig in 2021 compared to the City of Joondalup shows that there was a higher proportion of females in the younger age groups (under 15) as well as a higher proportion of females in the older age groups (65+).
Overall, 20.4% of the female population was aged between 0 and 15, and 21.4% were aged 65 years and over, compared with 18.2% and 18.5% respectively for the City of Joondalup.
The major differences between the female age structure of Duncraig and the City of Joondalup were:
- A larger percentage of females aged 10 to 14 (8.5% compared to 6.8%)
- A smaller percentage of females aged 55 to 59 (5.4% compared to 7.0%)
- A smaller percentage of females aged 25 to 29 (2.9% compared to 4.4%)
- A smaller percentage of females aged 30 to 34 (4.6% compared to 5.7%)
Emerging groups
From 1996 to 2021, Duncraig's female population decreased by 173 people (2.1%). This represents an average annual population change of -0.09% per year over the period.
The largest changes in female age structure in this area between 1996 and 2021 were in the age groups:
- 70 to 74 (+347 females)
- 15 to 19 (-346 females)
- 40 to 44 (-335 females)
- 45 to 49 (-335 females)
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