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LEARN MORE ABOUT .idIn 2021, the largest age group in Hobsons Bay City was 35 to 39 year olds. The group that changed the most since 2011 was 65 to 69 year olds, increasing by 1,201 people.
The Age Structure of Hobsons Bay City provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Hobsons Bay City'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 Hobsons Bay City'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 | |||||||
|---|---|---|---|---|---|---|---|
| Hobsons Bay City - Total persons (Usual residence) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Greater Melbourne % | Number | % | Greater Melbourne % | 2011 to 2021 |
| 0 to 4 | 5,775 | 6.3 | 5.9 | 5,748 | 6.9 | 6.5 | +27 |
| 5 to 9 | 5,818 | 6.4 | 6.3 | 4,737 | 5.6 | 6.0 | +1,081 |
| 10 to 14 | 5,342 | 5.8 | 6.0 | 4,714 | 5.6 | 5.9 | +628 |
| 15 to 19 | 4,474 | 4.9 | 5.6 | 4,880 | 5.8 | 6.3 | -406 |
| 20 to 24 | 4,555 | 5.0 | 6.7 | 5,263 | 6.3 | 7.5 | -708 |
| 25 to 29 | 5,644 | 6.2 | 7.8 | 5,958 | 7.1 | 7.9 | -314 |
| 30 to 34 | 6,788 | 7.4 | 8.2 | 6,222 | 7.4 | 7.5 | +566 |
| 35 to 39 | 7,415 | 8.1 | 8.0 | 6,649 | 7.9 | 7.5 | +766 |
| 40 to 44 | 6,832 | 7.5 | 6.9 | 6,730 | 8.0 | 7.5 | +102 |
| 45 to 49 | 6,485 | 7.1 | 6.5 | 6,325 | 7.5 | 6.9 | +160 |
| 50 to 54 | 6,415 | 7.0 | 6.3 | 5,858 | 7.0 | 6.4 | +557 |
| 55 to 59 | 5,754 | 6.3 | 5.7 | 4,868 | 5.8 | 5.6 | +886 |
| 60 to 64 | 5,313 | 5.8 | 5.1 | 4,216 | 5.0 | 5.1 | +1,097 |
| 65 to 69 | 4,351 | 4.8 | 4.4 | 3,150 | 3.8 | 3.9 | +1,201 |
| 70 to 74 | 3,699 | 4.1 | 3.9 | 2,703 | 3.2 | 3.0 | +996 |
| 75 to 79 | 2,598 | 2.8 | 2.8 | 2,397 | 2.9 | 2.4 | +201 |
| 80 to 84 | 1,950 | 2.1 | 2.0 | 1,821 | 2.2 | 2.0 | +129 |
| 85 and over | 2,115 | 2.3 | 2.0 | 1,622 | 1.9 | 1.8 | +493 |
| Total population | 91,323 | 100.0 | 100.0 | 83,861 | 100.0 | 100.0 | +7,462 |
Dominant groups
Analysis of the five year age groups of Hobsons Bay City in 2021 compared to Greater Melbourne shows that there was a similar proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 18.5% of the population was aged between 0 and 15, and 16.1% were aged 65 years and over, compared with 18.1% and 15.0% respectively for Greater Melbourne.
The major differences between the age structure of Hobsons Bay City and Greater Melbourne were:
- A larger percentage of persons aged 50 to 54 (7.0% compared to 6.3%)
- A smaller percentage of persons aged 20 to 24 (5.0% compared to 6.7%)
- A smaller percentage of persons aged 25 to 29 (6.2% compared to 7.8%)
- A smaller percentage of persons aged 30 to 34 (7.4% compared to 8.2%)
Emerging groups
From 2011 to 2021, Hobsons Bay City's population increased by 7,462 people (8.9%). This represents an average annual population change of 0.86% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 65 to 69 (+1,201 persons)
- 60 to 64 (+1,097 persons)
- 5 to 9 (+1,081 persons)
- 70 to 74 (+996 persons)
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