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We’re continuing to update these pages with data from the 2016 Census. Read more about our updates.

Keilor Park and District

Service age groups

This topic has been updated with 2016 Census data for all areas. What's this?

Keilor Park and District had a similar proportion of pre-schoolers and a higher proportion of persons at post retirement age than City of Brimbank in 2016.

The Age Structure of Keilor Park and District provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Keilor Park and District'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 Park and District'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?'

Age structure - Service age groups
Keilor Park and District - Total persons (Usual residence)20162011Change
Service age group (years)Number%City of Brimbank %Number%City of Brimbank %2011 to 2016
Babies and pre-schoolers (0 to 4)1907.06.71475.76.6+43
Primary schoolers (5 to 11)2077.68.31626.38.7+45
Secondary schoolers (12 to 17)1475.47.11576.17.9-10
Tertiary education and independence (18 to 24)1876.910.41847.210.7+3
Young workforce (25 to 34)30611.216.131512.315.8-9
Parents and homebuilders (35 to 49)56820.920.152420.521.0+44
Older workers and pre-retirees (50 to 59)27310.012.328111.012.5-8
Empty nesters and retirees (60 to 69)39414.510.146418.19.1-70
Seniors (70 to 84)42415.67.328611.26.5+138
Elderly aged (85 and over)281.01.5421.61.2-14
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Please refer to specific data notes for more information

Dominant groups

Analysis of the service age groups of Keilor Park and District in 2016 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, 20.0% of the population was aged between 0 and 17, and 31.1% were aged 60 years and over, compared with 22.1% and 19.0% respectively for City of Brimbank.

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

  • A larger percentage of 'Seniors (70 to 84)' (15.6% compared to 7.3%)
  • A larger percentage of 'Empty nesters and retirees (60 to 69)' (14.5% compared to 10.1%)
  • A smaller percentage of 'Young workforce (25 to 34)' (11.2% compared to 16.1%)
  • A smaller percentage of 'Tertiary education and independence (18 to 24)' (6.9% compared to 10.4%)

Emerging groups

From 2011 to 2016, Keilor Park and District's population increased by 162 people (6.3%). This represents an average annual population change of 1.23% per year over the period.

The largest changes in the age structure in this area between 2011 and 2016 were in the age groups:

  • Seniors (70 to 84) (+138 people)
  • Empty nesters and retirees (60 to 69) (-70 people)

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