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Keilor Downs

Five year age groups

There were 106 people over the age of 85 living in Keilor Downs in 2011, with largest age group being 20 to 24 year olds.

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 last birthday)?'

Total population

Age structure - Five year age groups
Keilor Downs - Total persons (Usual residence)20112006Change
Five year age groups (years)Number%City of Brimbank %Number%City of Brimbank %2006 to 2011
0 to 44874.76.65685.26.5-81
5 to 95815.66.26015.56.8-20
10 to 145855.76.37967.37.2-211
15 to 197867.67.01,0229.47.4-236
20 to 249028.77.99508.87.6-48
25 to 297437.28.46886.47.1+55
30 to 345485.37.55935.57.3-45
35 to 396456.27.26756.27.5-30
40 to 446436.27.18397.77.3-196
45 to 497617.46.79939.27.2-232
50 to 548748.56.59388.76.9-64
55 to 597827.66.07026.56.2+80
60 to 646926.75.35044.74.5+188
65 to 694634.53.83653.43.4+98
70 to 743483.42.92282.12.7+120
75 to 792282.22.11921.82.1+36
80 to 841471.41.5930.91.4+54
85 and over1061.01.2850.80.9+21

Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented by .id , the population experts.

Age structure - five year age groups, 2011
Age structure - five year age groups, 2011 85 and over, City of Brimbank: 1.2% 80 to 84, City of Brimbank: 1.5% 75 to 79, City of Brimbank: 2.1% 70 to 74, City of Brimbank: 2.9% 65 to 69, City of Brimbank: 3.8% 60 to 64, City of Brimbank: 5.3% 55 to 59, City of Brimbank: 6.0% 50 to 54, City of Brimbank: 6.5% 45 to 49, City of Brimbank: 6.7% 40 to 44, City of Brimbank: 7.1% 35 to 39, City of Brimbank: 7.2% 30 to 34, City of Brimbank: 7.5% 25 to 29, City of Brimbank: 8.4% 20 to 24, City of Brimbank: 7.9% 15 to 19, City of Brimbank: 7.0% 10 to 14, City of Brimbank: 6.3% 5 to 9, City of Brimbank: 6.2% 0 to 4, City of Brimbank: 6.6% 85 and over, Keilor Downs: 1.0% 80 to 84, Keilor Downs: 1.4% 75 to 79, Keilor Downs: 2.2% 70 to 74, Keilor Downs: 3.4% 65 to 69, Keilor Downs: 4.5% 60 to 64, Keilor Downs: 6.7% 55 to 59, Keilor Downs: 7.6% 50 to 54, Keilor Downs: 8.5% 45 to 49, Keilor Downs: 7.4% 40 to 44, Keilor Downs: 6.2% 35 to 39, Keilor Downs: 6.2% 30 to 34, Keilor Downs: 5.3% 25 to 29, Keilor Downs: 7.2% 20 to 24, Keilor Downs: 8.7% 15 to 19, Keilor Downs: 7.6% 10 to 14, Keilor Downs: 5.7% 5 to 9, Keilor Downs: 5.6% 0 to 4, Keilor Downs: 4.7%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in age structure - five year age groups, 2006 to 2011
Change in age structure - five year age groups, 2006 to 2011 85 and over, Keilor Downs: +21 80 to 84, Keilor Downs: +54 75 to 79, Keilor Downs: +36 70 to 74, Keilor Downs: +120 65 to 69, Keilor Downs: +98 60 to 64, Keilor Downs: +188 55 to 59, Keilor Downs: +80 50 to 54, Keilor Downs: -64 45 to 49, Keilor Downs: -232 40 to 44, Keilor Downs: -196 35 to 39, Keilor Downs: -30 30 to 34, Keilor Downs: -45 25 to 29, Keilor Downs: +55 20 to 24, Keilor Downs: -48 15 to 19, Keilor Downs: -236 10 to 14, Keilor Downs: -211 5 to 9, Keilor Downs: -20 0 to 4, Keilor Downs: -81
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the five year age groups of Keilor Downs in 2011 compared to 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 12.5% were aged 65 years and over, compared with 19.0% and 11.5% respectively for City of Brimbank.

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

  • A larger percentage of persons aged 50 to 54 (8.5% compared to 6.5%)
  • A larger percentage of persons aged 55 to 59 (7.6% compared to 6.0%)
  • A smaller percentage of persons aged 30 to 34 (5.3% compared to 7.5%)
  • A smaller percentage of persons aged 0 to 4 (4.7% compared to 6.6%)

Emerging groups

From 2006 to 2011, Keilor Downs's population decreased by 511 people (4.7%). This represents an average annual population change of -0.96% per year over the period.

The largest changes in age structure in this area between 2006 and 2011 were in the age groups:

  • 15 to 19 (-236 persons)
  • 45 to 49 (-232 persons)
  • 10 to 14 (-211 persons)
  • 40 to 44 (-196 persons)