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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 798 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 (Usual residence)20212001Change
Five year age groups (years)Number%City of Knox %Number%City of Knox %2001 to 2021
0 to 41,6305.95.31,8227.26.9-193
5 to 91,6586.15.91,9117.57.7-253
10 to 141,5155.55.81,8347.27.9-319
15 to 191,5875.85.91,8017.17.7-214
20 to 241,5075.56.11,7096.76.7-203
25 to 291,6816.16.01,9017.56.7-221
30 to 341,9727.26.72,1078.37.7-135
35 to 392,0367.47.21,9897.88.0+47
40 to 441,9757.26.81,9277.68.2+47
45 to 491,8496.76.71,7546.97.8+95
50 to 541,8856.96.81,8817.47.1+4
55 to 591,7476.46.71,4505.75.0+296
60 to 641,5845.86.21,0324.13.6+552
65 to 691,4205.25.46222.42.5+798
70 to 741,2784.74.65512.22.2+727
75 to 799333.43.25252.11.9+407
80 to 846252.32.43211.31.2+304
85 and over5201.92.23201.31.1+200
Total population27,402100.0100.025,464100.0100.0+1,938
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 the City of Knox shows that there was a similar proportion of people in the younger age groups (under 15) as well as a similar proportion of people in the older age groups (65+).

Overall, 17.5% of the population was aged between 0 and 15, and 17.4% were aged 65 years and over, compared with 17.0% and 17.9% respectively for the City of Knox.

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

  • A larger percentage of persons aged 0 to 4 (5.9% compared to 5.3%)
  • A smaller percentage of persons aged 20 to 24 (5.5% compared to 6.1%)

Emerging groups

From 2001 to 2021, Ferntree Gully's population increased by 1,938 people (7.6%). This represents an average annual population change of 0.37% 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 (+798 persons)
  • 70 to 74 (+727 persons)
  • 60 to 64 (+552 persons)
  • 75 to 79 (+407 persons)

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