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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Subiaco was 30 to 34 year olds. The group that changed the most since 2006 was 70 to 74 year olds, increasing by 474 people.
The Age Structure of the City of Subiaco 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 City of Subiaco'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 City of Subiaco'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 | |||||||
|---|---|---|---|---|---|---|---|
| City of Subiaco - Total persons (Enumerated) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | Subiaco (North) % | Number | % | Subiaco (North) % | 2006 to 2021 |
| 0 to 4 | 843 | 4.9 | 5.5 | 808 | 5.8 | 6.1 | +35 |
| 5 to 9 | 935 | 5.5 | 3.2 | 616 | 4.4 | 3.9 | +319 |
| 10 to 14 | 1,018 | 5.9 | 4.7 | 658 | 4.7 | 3.2 | +360 |
| 15 to 19 | 802 | 4.7 | 3.5 | 836 | 6.0 | 5.6 | -34 |
| 20 to 24 | 1,007 | 5.9 | 7.2 | 1,085 | 7.8 | 9.3 | -78 |
| 25 to 29 | 1,261 | 7.4 | 11.2 | 1,221 | 8.8 | 13.1 | +40 |
| 30 to 34 | 1,329 | 7.8 | 11.6 | 1,062 | 7.7 | 10.7 | +267 |
| 35 to 39 | 1,201 | 7.0 | 7.8 | 1,029 | 7.4 | 7.2 | +172 |
| 40 to 44 | 1,208 | 7.1 | 6.7 | 1,003 | 7.2 | 5.6 | +205 |
| 45 to 49 | 1,099 | 6.4 | 5.1 | 1,018 | 7.3 | 6.2 | +81 |
| 50 to 54 | 1,027 | 6.0 | 4.9 | 886 | 6.4 | 5.8 | +141 |
| 55 to 59 | 988 | 5.8 | 5.9 | 1,069 | 7.7 | 7.6 | -81 |
| 60 to 64 | 955 | 5.6 | 5.8 | 760 | 5.5 | 4.9 | +195 |
| 65 to 69 | 964 | 5.6 | 5.6 | 544 | 3.9 | 3.8 | +420 |
| 70 to 74 | 905 | 5.3 | 5.2 | 431 | 3.1 | 2.5 | +474 |
| 75 to 79 | 656 | 3.8 | 3.1 | 327 | 2.4 | 1.8 | +329 |
| 80 to 84 | 498 | 2.9 | 1.7 | 273 | 2.0 | 1.9 | +225 |
| 85 and over | 432 | 2.5 | 1.2 | 231 | 1.7 | 0.6 | +201 |
| Total population | 17,128 | 100.0 | 100.0 | 13,857 | 100.0 | 100.0 | +3,271 |
Dominant groups
Analysis of the five year age groups of the City of Subiaco in 2021 compared to Subiaco (North) shows that there was a higher proportion of people in the younger age groups (under 15) as well as a higher proportion of people in the older age groups (65+).
Overall, 16.3% of the population was aged between 0 and 15, and 20.2% were aged 65 years and over, compared with 13.4% and 16.8% respectively for Subiaco (North).
The major differences between the age structure of the City of Subiaco and Subiaco (North) were:
- A larger percentage of persons aged 5 to 9 (5.5% compared to 3.2%)
- A larger percentage of persons aged 85 and over (2.5% compared to 1.2%)
- A smaller percentage of persons aged 30 to 34 (7.8% compared to 11.6%)
- A smaller percentage of persons aged 25 to 29 (7.4% compared to 11.2%)
Emerging groups
From 2006 to 2021, City of Subiaco's population increased by 3,271 people (23.6%). This represents an average annual population change of 1.42% per year over the period.
The largest changes in age structure in this area between 2006 and 2021 were in the age groups:
- 70 to 74 (+474 persons)
- 65 to 69 (+420 persons)
- 10 to 14 (+360 persons)
- 75 to 79 (+329 persons)
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