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Keilor Downs

Five year age groups

In 2021, the largest age group in Keilor Downs was 25 to 29 year olds. The group that changed the most since 2001 was 15 to 19 year olds, decreasing by 372 people.

The Age Structure of Keilor Downs 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 Downs'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 Downs's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Derived from the Census question:

'What is the person's date of birth or age?'

Total population

Age structure - Five year age groups
Keilor Downs - Total males (Usual residence)20212001Change
Five year age groups (years)Number%St Albans %Number%St Albans %2001 to 2021
0 to 42695.55.83566.06.6-87
5 to 92765.75.84778.17.2-202
10 to 142725.65.35859.96.7-313
15 to 192665.55.363710.87.8-372
20 to 243146.48.04858.28.3-172
25 to 293617.49.93856.57.1-25
30 to 342835.88.43666.27.6-84
35 to 392956.17.33946.77.1-99
40 to 442815.85.75038.56.6-222
45 to 492705.55.35098.67.1-240
50 to 542615.45.74237.27.0-162
55 to 592926.05.82985.05.7-6
60 to 643597.45.21893.24.7+169
65 to 693547.34.91372.34.0+216
70 to 743076.34.3761.33.0+230
75 to 792014.13.1420.71.9+159
80 to 841242.52.4180.31.0+105
85 and over881.81.9180.30.5+70

Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).

Age structure - five year age groups, 2021
Age structure - five year age groups, 2021 85 and over, St Albans: 1.9% 80 to 84, St Albans: 2.4% 75 to 79, St Albans: 3.1% 70 to 74, St Albans: 4.3% 65 to 69, St Albans: 4.9% 60 to 64, St Albans: 5.2% 55 to 59, St Albans: 5.8% 50 to 54, St Albans: 5.7% 45 to 49, St Albans: 5.3% 40 to 44, St Albans: 5.7% 35 to 39, St Albans: 7.3% 30 to 34, St Albans: 8.4% 25 to 29, St Albans: 9.9% 20 to 24, St Albans: 8.0% 15 to 19, St Albans: 5.3% 10 to 14, St Albans: 5.3% 5 to 9, St Albans: 5.8% 0 to 4, St Albans: 5.8% 85 and over, Keilor Downs: 1.8% 80 to 84, Keilor Downs: 2.5% 75 to 79, Keilor Downs: 4.1% 70 to 74, Keilor Downs: 6.3% 65 to 69, Keilor Downs: 7.3% 60 to 64, Keilor Downs: 7.4% 55 to 59, Keilor Downs: 6.0% 50 to 54, Keilor Downs: 5.4% 45 to 49, Keilor Downs: 5.5% 40 to 44, Keilor Downs: 5.8% 35 to 39, Keilor Downs: 6.1% 30 to 34, Keilor Downs: 5.8% 25 to 29, Keilor Downs: 7.4% 20 to 24, Keilor Downs: 6.4% 15 to 19, Keilor Downs: 5.5% 10 to 14, Keilor Downs: 5.6% 5 to 9, Keilor Downs: 5.7% 0 to 4, Keilor Downs: 5.5%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Usual residence data)
Compiled and presented in profile.id by .id (informed decisions).
Change in age structure - five year age groups, 2001 to 2021
Change in age structure - five year age groups, 2001 to 2021 85 and over, Keilor Downs: +70 80 to 84, Keilor Downs: +105 75 to 79, Keilor Downs: +159 70 to 74, Keilor Downs: +230 65 to 69, Keilor Downs: +216 60 to 64, Keilor Downs: +169 55 to 59, Keilor Downs: -6 50 to 54, Keilor Downs: -162 45 to 49, Keilor Downs: -240 40 to 44, Keilor Downs: -222 35 to 39, Keilor Downs: -99 30 to 34, Keilor Downs: -84 25 to 29, Keilor Downs: -25 20 to 24, Keilor Downs: -172 15 to 19, Keilor Downs: -372 10 to 14, Keilor Downs: -313 5 to 9, Keilor Downs: -202 0 to 4, Keilor Downs: -87
Source: Australian Bureau of Statistics, Census of Population and Housing, 2001 and 2021 (Usual residence data)
Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the male five year age groups of Keilor Downs in 2021 compared to St Albans shows that there was a similar proportion of males in the younger age groups (under 15) and a higher proportion of males in the older age groups (65+).

Overall, 16.8% of the male population was aged between 0 and 15, and 22.0% were aged 65 years and over, compared with 16.9% and 16.6% respectively for St Albans.

The major differences between the male age structure of Keilor Downs and St Albans were:

  • A larger percentage of males aged 65 to 69 (7.3% compared to 4.9%)
  • A larger percentage of males aged 60 to 64 (7.4% compared to 5.2%)
  • A smaller percentage of males aged 30 to 34 (5.8% compared to 8.4%)
  • A smaller percentage of males aged 25 to 29 (7.4% compared to 9.9%)

Emerging groups

From 2001 to 2021, Keilor Downs's male population decreased by 1,033 people (17.5%). This represents an average annual population change of -0.96% per year over the period.

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

  • 15 to 19 (-372 males)
  • 10 to 14 (-313 males)
  • 45 to 49 (-240 males)
  • 70 to 74 (+230 males)

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