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Hobsons Bay CityCommunity profile

Hobsons Bay City

Five year age groups

In 2021, the largest age group in Hobsons Bay City was 35 to 39 year olds. The group that changed the most since 2006 was 60 to 64 year olds, increasing by 1,841 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 (Enumerated)20212006Change
Five year age groups (years)Number%Greater Melbourne %Number%Greater Melbourne %2006 to 2021
0 to 45,7416.35.95,2866.66.3+455
5 to 95,7656.46.35,1566.46.3+609
10 to 145,3005.96.05,2576.56.5+43
15 to 194,4524.95.64,9556.26.8-503
20 to 244,5395.06.74,9266.17.4-387
25 to 295,6366.27.85,0056.27.2+631
30 to 346,7277.48.36,1937.77.7+534
35 to 397,3398.18.16,7918.48.0+548
40 to 446,8097.56.96,6768.37.6+133
45 to 496,4397.16.56,2327.77.2+207
50 to 546,3467.06.35,0946.36.4+1,252
55 to 595,6706.35.64,5815.75.8+1,089
60 to 645,2585.85.13,4174.24.4+1,841
65 to 694,2774.74.32,9813.73.5+1,296
70 to 743,6134.03.82,7003.42.9+913
75 to 792,5752.82.82,3352.92.6+240
80 to 841,9442.12.01,7172.12.0+227
85 and over2,1092.32.01,1991.51.6+910
Total population90,539100.0100.080,501100.0100.0+10,038
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

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, 18.6% of the population was aged between 0 and 15, and 16.0% were aged 65 years and over, compared with 18.2% and 14.9% 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 8.3%)

Emerging groups

From 2006 to 2021, Hobsons Bay City's population increased by 10,038 people (12.5%). This represents an average annual population change of 0.79% per year over the period.

The largest changes in age structure in this area between 2006 and 2021 were in the age groups:

  • 60 to 64 (+1,841 persons)
  • 65 to 69 (+1,296 persons)
  • 50 to 54 (+1,252 persons)
  • 55 to 59 (+1,089 persons)

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