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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 2006 was 70 to 74 year olds, increasing by 661 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)20212006Change
Five year age groups (years)Number%Wantirna %Number%Wantirna %2006 to 2021
0 to 41,6206.05.31,5666.44.6+54
5 to 91,6606.16.61,5886.55.3+72
10 to 141,5205.66.41,6956.96.6-176
15 to 191,5815.85.41,7637.28.4-182
20 to 241,4995.55.21,6586.88.5-159
25 to 291,6536.14.61,6126.66.1+41
30 to 341,9617.26.01,7477.15.7+213
35 to 392,0397.57.31,9227.95.7+117
40 to 441,9677.27.21,8247.56.2+143
45 to 491,8456.86.31,8317.57.8+14
50 to 541,8656.95.91,7197.09.5+145
55 to 591,7276.45.71,6966.98.4+30
60 to 641,5775.86.31,2125.05.1+365
65 to 691,3915.16.78703.63.4+521
70 to 741,2534.65.95912.42.1+661
75 to 799053.33.54671.92.2+437
80 to 846162.32.63681.52.2+247
85 and over5081.93.13441.42.2+163
Total population27,187100.0100.024,481100.0100.0+2,706
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 Ferntree Gully in 2021 compared to Wantirna shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower 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 18.4% and 21.8% respectively for Wantirna.

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

  • A larger percentage of persons aged 25 to 29 (6.1% compared to 4.6%)
  • A smaller percentage of persons aged 65 to 69 (5.1% compared to 6.7%)
  • A smaller percentage of persons aged 70 to 74 (4.6% compared to 5.9%)
  • A smaller percentage of persons aged 85 and over (1.9% compared to 3.1%)

Emerging groups

From 2006 to 2021, Ferntree Gully's population increased by 2,706 people (11.1%). This represents an average annual population change of 0.7% per year over the period.

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

  • 70 to 74 (+661 persons)
  • 65 to 69 (+521 persons)
  • 75 to 79 (+437 persons)
  • 60 to 64 (+365 persons)

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