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City of KnoxCommunity profile

Ferntree Gully

Five year age groups

In 2021, the largest age group in Ferntree Gully was 35 to 39 year olds. The group that changed the most since 2001 was 65 to 69 year olds, increasing by 784 people.

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.

Q:

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 (Enumerated)20212001Change
Five year age groups (years)Number%Dinsdale Ward %Number%Dinsdale Ward %2001 to 2021
0 to 41,6206.05.81,8047.25.7-185
5 to 91,6606.16.01,9157.66.1-255
10 to 141,5205.65.11,7917.16.2-271
15 to 191,5815.85.11,7677.16.9-186
20 to 241,4995.56.11,6856.77.7-187
25 to 291,6536.17.11,8877.57.7-234
30 to 341,9617.28.52,0698.37.8-109
35 to 392,0397.58.41,9437.87.0+95
40 to 441,9677.27.21,9007.66.4+67
45 to 491,8456.86.01,7827.17.4+62
50 to 541,8656.96.21,8497.47.7+16
55 to 591,7276.45.81,3995.66.8+328
60 to 641,5775.85.29974.05.2+580
65 to 691,3915.14.56062.43.7+784
70 to 741,2534.64.36182.52.7+634
75 to 799053.33.64351.72.4+470
80 to 846162.32.52901.21.3+325
85 and over5081.92.53151.31.4+193
Total population27,187100.0100.025,060100.0100.0+2,126
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 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 Ferntree Gully in 2021 compared to Dinsdale Ward shows that there was a higher proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).

Overall, 17.7% of the population was aged between 0 and 15, and 17.2% were aged 65 years and over, compared with 16.9% and 17.5% respectively for Dinsdale Ward.

The major differences between the age structure of Ferntree Gully and Dinsdale Ward were:

  • A larger percentage of persons aged 45 to 49 (6.8% compared to 6.0%)
  • A smaller percentage of persons aged 30 to 34 (7.2% compared to 8.5%)
  • A smaller percentage of persons aged 25 to 29 (6.1% compared to 7.1%)
  • A smaller percentage of persons aged 35 to 39 (7.5% compared to 8.4%)

Emerging groups

From 2001 to 2021, Ferntree Gully's population increased by 2,127 people (8.5%). This represents an average annual population change of 0.41% per year over the period.

The largest changes in age structure in this area between 2001 and 2021 were in the age groups:

  • 65 to 69 (+784 persons)
  • 70 to 74 (+634 persons)
  • 60 to 64 (+580 persons)
  • 75 to 79 (+470 persons)

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