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City of KnoxCommunity profile

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

Ferntree Gully

Five year age groups

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

There were 481 people over the age of 85 living in Ferntree Gully in 2016, with largest age group being 35 to 39 year olds.

The Age Structure of Ferntree Gully provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Ferntree Gully'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 Ferntree Gully'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
Ferntree Gully - Total persons (Usual residence)20162011Change
Five year age groups (years)Number%City of Knox %Number%City of Knox %2011 to 2016
0 to 41,6316.25.81,5796.16.0+52
5 to 91,5595.95.91,5586.06.0+1
10 to 141,4735.65.81,6346.36.5-161
15 to 191,6046.16.41,7076.67.3-103
20 to 241,5866.06.61,6366.36.9-50
25 to 291,7566.76.41,7486.76.2+9
30 to 341,8917.26.81,8016.96.3+91
35 to 391,8987.26.71,9097.36.9-11
40 to 441,8327.06.82,0227.87.5-190
45 to 491,8937.27.21,8717.27.6+21
50 to 541,7646.77.21,8507.17.5-86
55 to 591,6626.36.81,6986.56.7-36
60 to 641,5736.06.11,5976.15.9-24
65 to 691,4395.55.21,1884.64.1+251
70 to 741,0844.13.68303.23.0+253
75 to 797742.92.75812.22.2+192
80 to 844551.71.93881.51.7+68
85 and over4811.82.03851.51.7+97
Total population26,363100.0100.025,990100.0100.0+373
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 Ferntree Gully in 2016 compared to City of Knox 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, 17.7% of the population was aged between 0 and 15, and 16.1% were aged 65 years and over, compared with 17.6% and 15.5% respectively for City of Knox.

The major differences between the age structure of Ferntree Gully and City of Knox were:

  • A larger percentage of persons aged 35 to 39 (7.2% compared to 6.7%)
  • A smaller percentage of persons aged 20 to 24 (6.0% compared to 6.6%)
  • A smaller percentage of persons aged 55 to 59 (6.3% compared to 6.8%)

Emerging groups

From 2011 to 2016, Ferntree Gully's population increased by 373 people (1.4%). This represents an average annual population change of 0.29% per year over the period.

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

  • 70 to 74 (+253 persons)
  • 65 to 69 (+251 persons)
  • 75 to 79 (+192 persons)
  • 40 to 44 (-190 persons)

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