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Keilor Downs had a lower proportion of pre-schoolers and a higher proportion of persons at post retirement age than City of Brimbank in 2011.

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 an indicator of Keilor Downs's residential role and function and how it is likely to change in the future.

Service age groups divide the population into age categories that reflect typical life-stages. They indicate the level of demand for services that target people at different stages in life and how that demand is changing.

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 - Service age groups
Keilor Downs - Total persons (Usual residence)20112006Change
Service age group (years)Number%City of Brimbank %Number%City of Brimbank %2006 to 2011
map this data in atlas.idBabies and pre-schoolers (0 to 4)4874.76.65685.26.5-81
map this data in atlas.idPrimary schoolers (5 to 11)8137.98.79068.49.7-93
map this data in atlas.idSecondary schoolers (12 to 17)7987.77.91,10710.28.8-309
map this data in atlas.idTertiary education and independence (18 to 24)1,24312.010.71,35712.510.5-114
map this data in atlas.idYoung workforce (25 to 34)1,29112.515.81,28111.814.5+10
map this data in atlas.idParents and homebuilders (35 to 49)2,04919.921.02,50723.222.0-458
map this data in atlas.idOlder workers and pre-retirees (50 to 59)1,65616.012.51,64015.113.1+16
map this data in atlas.idEmpty nesters and retirees (60 to 69)1,15511.29.18698.07.9+286
map this data in atlas.idSeniors (70 to 84)7237.06.55134.76.2+210
map this data in atlas.idElderly aged (85 and over)1061.01.2830.80.9+23

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

Age structure - service age groups, 2011
Age structure - service age groups, 2011 Babies and pre-schoolers (0 to 4), City of Brimbank: 6.6% Primary schoolers (5 to 11), City of Brimbank: 8.7% Secondary schoolers (12 to 17), City of Brimbank: 7.9% Tertiary education and independence (18 to 24), City of Brimbank: 10.7% Young workforce (25 to 34), City of Brimbank: 15.8% Parents and homebuilders (35 to 49), City of Brimbank: 21.0% Older workers and pre-retirees (50 to 59), City of Brimbank: 12.5% Empty nesters and retirees (60 to 69), City of Brimbank: 9.1% Seniors (70 to 84), City of Brimbank: 6.5% Elderly aged (85 and over), City of Brimbank: 1.2% Babies and pre-schoolers (0 to 4), Keilor Downs: 4.7% Primary schoolers (5 to 11), Keilor Downs: 7.9% Secondary schoolers (12 to 17), Keilor Downs: 7.7% Tertiary education and independence (18 to 24), Keilor Downs: 12.0% Young workforce (25 to 34), Keilor Downs: 12.5% Parents and homebuilders (35 to 49), Keilor Downs: 19.9% Older workers and pre-retirees (50 to 59), Keilor Downs: 16.0% Empty nesters and retirees (60 to 69), Keilor Downs: 11.2% Seniors (70 to 84), Keilor Downs: 7.0% Elderly aged (85 and over), Keilor Downs: 1.0%
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 - service age groups, 2006 to 2011
Change in age structure - service age groups, 2006 to 2011 Babies and pre-schoolers (0 to 4), Keilor Downs: -81 Primary schoolers (5 to 11), Keilor Downs: -93 Secondary schoolers (12 to 17), Keilor Downs: -309 Tertiary education and independence (18 to 24), Keilor Downs: -114 Young workforce (25 to 34), Keilor Downs: +10 Parents and homebuilders (35 to 49), Keilor Downs: -458 Older workers and pre-retirees (50 to 59), Keilor Downs: +16 Empty nesters and retirees (60 to 69), Keilor Downs: +286 Seniors (70 to 84), Keilor Downs: +210 Elderly aged (85 and over), Keilor Downs: +23
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 service 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 (0 to 17 years) and a higher proportion of people in the older age groups (60+ years).

Overall, 20.3% of the population was aged between 0 and 17, and 19.2% were aged 60 years and over, compared with 23.1% and 16.8% respectively for City of Brimbank.

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

  • A larger percentage of 'Older workers & pre-retirees' (16.0% compared to 12.5%)
  • A larger percentage of 'Empty nesters and retirees' (11.2% compared to 9.1%)
  • A smaller percentage of 'Young workforce' (12.5% compared to 15.8%)
  • A smaller percentage of 'Babies and pre-schoolers' (4.7% compared to 6.6%)

Emerging groups

From 2006 to 2011, Keilor Downs's population decreased by 508 people (4.7%). This represents an average annual population change of -0.96% per year over the period.

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

  • Parents and homebuilders (35 to 49) (-458 people)
  • Secondary schoolers (12 to 17) (-309 people)
  • Empty nesters and retirees (60 to 69) (+286 people)
  • Seniors (70 to 84) (+210 people)