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City of KnoxCommunity profile

Dandenong Foothills Policy Area

Five year age groups

In 2021, the largest age group in Dandenong Foothills Policy Area was 50 to 54 year olds. The group that changed the most since 1991 was 55 to 59 year olds, increasing by 577 people.

The Age Structure of Dandenong Foothills Policy Area provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Dandenong Foothills Policy Area'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 Dandenong Foothills Policy Area'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
Dandenong Foothills Policy Area - Total females (Enumerated)20211991Change
Five year age groups (years)Number%City of Knox %Number%City of Knox %1991 to 2021
0 to 48045.25.11,0767.98.8-273
5 to 98505.55.71,0437.78.6-194
10 to 148285.45.31,0777.98.1-250
15 to 198495.55.51,0567.88.0-208
20 to 247434.85.71,0617.87.3-319
25 to 298535.65.81,0958.08.3-242
30 to 341,1067.26.81,1448.49.5-38
35 to 391,0697.07.31,1358.39.1-66
40 to 441,0416.86.81,1078.18.6-67
45 to 491,0937.16.88666.46.0+227
50 to 541,1087.27.05864.34.1+522
55 to 591,0396.86.84623.43.0+577
60 to 649506.26.34223.12.6+527
65 to 698315.45.54093.02.4+421
70 to 747374.84.83272.42.0+409
75 to 795413.53.43282.41.7+212
80 to 843932.62.52011.51.1+192
85 and over5013.32.72031.50.9+298
Total population15,336100.0100.013,608100.0100.0+1,728
Source: Australian Bureau of Statistics, Census of Population and Housing 1991 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the female five year age groups of Dandenong Foothills Policy Area in 2021 compared to the City of Knox shows that there was a similar proportion of females in the younger age groups (under 15) and a higher proportion of females in the older age groups (65+).

Overall, 16.2% of the female population was aged between 0 and 15, and 19.6% were aged 65 years and over, compared with 16.2% and 19.0% respectively for the City of Knox.

The major differences between the female age structure of Dandenong Foothills Policy Area and the City of Knox were:

  • A larger percentage of females aged 85 and over (3.3% compared to 2.7%)
  • A smaller percentage of females aged 20 to 24 (4.8% compared to 5.7%)

Emerging groups

From 1991 to 2021, Dandenong Foothills Policy Area's female population increased by 1,728 people (12.7%). This represents an average annual population change of 0.4% per year over the period.

The largest changes in female age structure in this area between 1991 and 2021 were in the age groups:

  • 55 to 59 (+577 females)
  • 60 to 64 (+527 females)
  • 50 to 54 (+522 females)
  • 65 to 69 (+421 females)

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