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City of BrimbankCommunity profile

Keilor

Five year age groups

In 2021, the largest age group in Keilor was 50 to 54 year olds. The group that changed the most since 2016 was 75 to 79 year olds, increasing by 107 people.

The Age Structure of Keilor provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Keilor'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 Keilor'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
Keilor - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%City of Brimbank %Number%City of Brimbank %2016 to 2021
0 to 42654.55.62514.36.7+13
5 to 93005.16.03596.26.0-60
10 to 143726.45.73716.45.7+1
15 to 193776.55.74167.26.3-39
20 to 243305.76.93516.17.8-22
25 to 292654.58.12644.68.1+1
30 to 342774.77.62464.28.0+31
35 to 392844.97.23125.46.9-28
40 to 443465.96.43496.06.6-4
45 to 493816.56.34648.06.5-84
50 to 544217.26.34347.56.3-13
55 to 594137.16.14127.16.0+1
60 to 644036.95.83616.25.4+42
65 to 693385.85.14077.04.7-70
70 to 743776.54.32995.23.3+78
75 to 792754.73.01672.92.4+107
80 to 841923.32.01532.61.7+39
85 and over2243.81.91833.21.5+41
Total population5,840100.0100.05,806100.0100.0+34
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 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 Keilor in 2021 compared to the City of Brimbank shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 16.0% of the population was aged between 0 and 15, and 24.1% were aged 65 years and over, compared with 17.3% and 16.3% respectively for the City of Brimbank.

The major differences between the age structure of Keilor and the City of Brimbank were:

  • A larger percentage of persons aged 70 to 74 (6.5% compared to 4.3%)
  • A smaller percentage of persons aged 25 to 29 (4.5% compared to 8.1%)
  • A smaller percentage of persons aged 30 to 34 (4.7% compared to 7.6%)
  • A smaller percentage of persons aged 35 to 39 (4.9% compared to 7.2%)

Emerging groups

From 2016 to 2021, Keilor's population increased by 34 people (0.6%). This represents an average annual population change of 0.12% per year over the period.

The largest changes in age structure in this area between 2016 and 2021 were in the age groups:

  • 75 to 79 (+107 persons)
  • 45 to 49 (-84 persons)
  • 70 to 74 (+78 persons)
  • 65 to 69 (-70 persons)

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