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LEARN MORE ABOUT .idIn 2021, the largest age group in the St Albans District was 25 to 29 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 608 people.
The Age Structure of the St Albans District 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 St Albans District'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 St Albans District'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 | |||||||
|---|---|---|---|---|---|---|---|
| St Albans District - Total persons (Enumerated) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | City of Brimbank % | Number | % | City of Brimbank % | 2016 to 2021 |
| 0 to 4 | 2,813 | 5.7 | 5.7 | 3,195 | 6.5 | 6.7 | -382 |
| 5 to 9 | 2,875 | 5.8 | 6.0 | 2,730 | 5.6 | 6.1 | +145 |
| 10 to 14 | 2,632 | 5.3 | 5.7 | 2,565 | 5.2 | 5.7 | +67 |
| 15 to 19 | 2,669 | 5.4 | 5.7 | 2,990 | 6.1 | 6.3 | -321 |
| 20 to 24 | 3,595 | 7.3 | 6.9 | 4,137 | 8.5 | 7.8 | -542 |
| 25 to 29 | 4,366 | 8.8 | 8.1 | 4,340 | 8.9 | 8.1 | +26 |
| 30 to 34 | 3,996 | 8.1 | 7.6 | 3,928 | 8.0 | 8.0 | +68 |
| 35 to 39 | 3,455 | 7.0 | 7.2 | 3,211 | 6.6 | 6.9 | +244 |
| 40 to 44 | 2,938 | 5.9 | 6.4 | 2,858 | 5.8 | 6.6 | +80 |
| 45 to 49 | 2,791 | 5.6 | 6.3 | 2,995 | 6.1 | 6.6 | -204 |
| 50 to 54 | 2,942 | 5.9 | 6.3 | 2,814 | 5.8 | 6.3 | +128 |
| 55 to 59 | 2,821 | 5.7 | 6.1 | 2,879 | 5.9 | 6.0 | -58 |
| 60 to 64 | 2,750 | 5.6 | 5.8 | 2,837 | 5.8 | 5.4 | -87 |
| 65 to 69 | 2,647 | 5.4 | 5.0 | 2,580 | 5.3 | 4.7 | +67 |
| 70 to 74 | 2,371 | 4.8 | 4.3 | 1,763 | 3.6 | 3.3 | +608 |
| 75 to 79 | 1,592 | 3.2 | 3.0 | 1,384 | 2.8 | 2.3 | +208 |
| 80 to 84 | 1,153 | 2.3 | 2.0 | 979 | 2.0 | 1.7 | +174 |
| 85 and over | 1,045 | 2.1 | 1.9 | 720 | 1.5 | 1.5 | +325 |
| Total population | 49,451 | 100.0 | 100.0 | 48,905 | 100.0 | 100.0 | +546 |
Dominant groups
Analysis of the five year age groups of the St Albans District in 2021 compared to the City of Brimbank shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 16.8% of the population was aged between 0 and 15, and 17.8% were aged 65 years and over, compared with 17.4% and 16.2% respectively for the City of Brimbank.
The major differences between the age structure of the St Albans District and the City of Brimbank were:
- A larger percentage of persons aged 25 to 29 (8.8% compared to 8.1%)
- A smaller percentage of persons aged 45 to 49 (5.6% compared to 6.3%)
Emerging groups
From 2016 to 2021, St Albans District's population increased by 546 people (1.1%). This represents an average annual population change of 0.22% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 70 to 74 (+608 persons)
- 20 to 24 (-542 persons)
- 0 to 4 (-382 persons)
- 85 and over (+325 persons)
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