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City of Hobsons BayCommunity profile

We’re continuing to update these pages with data from the 2016 Census. Read more about our updates.

Hobsons Bay City

Five year age groups

This topic has been updated with 2016 Census data for all areas. What's this?

There were 1,952 people over the age of 85 living in Hobsons Bay City in 2016, with largest age group being 30 to 34 year olds.

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.


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)20162011Change
Five year age groups (years)Number%Greater Melbourne %Number%Greater Melbourne %2011 to 2016
0 to 46,0626.86.45,7486.96.5+314
5 to 95,6676.46.24,7375.66.0+930
10 to 144,6235.25.74,7145.65.9-91
15 to 194,6565.26.04,8805.86.3-224
20 to 245,1735.87.45,2636.37.5-90
25 to 296,1676.98.15,9587.17.9+209
30 to 346,9297.88.26,2227.47.5+707
35 to 396,7107.67.36,6497.97.5+61
40 to 446,7267.67.06,7308.07.5-4
45 to 496,5217.36.96,3257.56.9+196
50 to 546,1176.96.25,8587.06.4+259
55 to 595,7076.45.74,8685.85.6+839
60 to 644,6005.24.94,2165.05.1+384
65 to 693,9304.44.43,1503.83.9+780
70 to 742,9233.33.32,7033.23.0+220
75 to 792,3632.72.52,3972.92.4-34
80 to 841,9582.21.91,8212.22.0+137
85 and over1,9522.22.01,6221.91.8+330
Total population88,784100.0100.083,861100.0100.0+4,923
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Hobsons Bay City in 2016 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, 18.4% of the population was aged between 0 and 15, and 14.8% were aged 65 years and over, compared with 18.3% and 14.0% 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 55 to 59 (6.4% compared to 5.7%)
  • A smaller percentage of persons aged 20 to 24 (5.8% compared to 7.4%)
  • A smaller percentage of persons aged 25 to 29 (6.9% compared to 8.1%)
  • A smaller percentage of persons aged 15 to 19 (5.2% compared to 6.0%)

Emerging groups

From 2011 to 2016, Hobsons Bay City's population increased by 4,923 people (5.9%). This represents an average annual population change of 1.15% per year over the period.

The largest changes in age structure in this area between 2011 and 2016 were in the age groups:

  • 5 to 9 (+930 persons)
  • 55 to 59 (+839 persons)
  • 65 to 69 (+780 persons)
  • 30 to 34 (+707 persons)

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