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City of Onkaparinga

Service age groups

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

The City of Onkaparinga had a similar proportion of pre-schoolers and a higher proportion of persons at post retirement age than Greater Adelaide in 2016.

The Age Structure of the City of Onkaparinga provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of the City of Onkaparinga'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 the City of Onkaparinga'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 - Service age groups
City of Onkaparinga - Total persons (Usual residence)20162011Change
Service age group (years)Number%Greater Adelaide %Number%Greater Adelaide %2011 to 2016
map this data in atlas.idBabies and pre-schoolers (0 to 4)10,2926.25.910,4616.66.0-169
map this data in atlas.idPrimary schoolers (5 to 11)14,8228.98.214,1788.98.1+644
map this data in atlas.idSecondary schoolers (12 to 17)12,4627.56.913,0788.27.5-616
map this data in atlas.idTertiary education and independence (18 to 24)14,0708.49.514,2198.99.8-149
map this data in atlas.idYoung workforce (25 to 34)20,69312.413.820,12012.613.4+573
map this data in atlas.idParents and homebuilders (35 to 49)32,86519.719.733,29720.920.9-432
map this data in atlas.idOlder workers and pre-retirees (50 to 59)22,19813.313.121,75313.613.1+445
map this data in atlas.idEmpty nesters and retirees (60 to 69)20,67912.411.117,65911.110.2+3,020
map this data in atlas.idSeniors (70 to 84)15,2219.19.311,9757.58.7+3,246
map this data in atlas.idElderly aged (85 and over)3,4642.12.62,8431.82.4+621

Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Age structure - service age groups, 2016
Age structure - service age groups, 2016 Babies and pre-schoolers (0 to 4), Greater Adelaide: 5.9% Primary schoolers (5 to 11), Greater Adelaide: 8.2% Secondary schoolers (12 to 17), Greater Adelaide: 6.9% Tertiary education and independence (18 to 24), Greater Adelaide: 9.5% Young workforce (25 to 34), Greater Adelaide: 13.8% Parents and homebuilders (35 to 49), Greater Adelaide: 19.7% Older workers and pre-retirees (50 to 59), Greater Adelaide: 13.1% Empty nesters and retirees (60 to 69), Greater Adelaide: 11.1% Seniors (70 to 84), Greater Adelaide: 9.3% Elderly aged (85 and over), Greater Adelaide: 2.6% Babies and pre-schoolers (0 to 4), City of Onkaparinga: 6.2% Primary schoolers (5 to 11), City of Onkaparinga: 8.9% Secondary schoolers (12 to 17), City of Onkaparinga: 7.5% Tertiary education and independence (18 to 24), City of Onkaparinga: 8.4% Young workforce (25 to 34), City of Onkaparinga: 12.4% Parents and homebuilders (35 to 49), City of Onkaparinga: 19.7% Older workers and pre-retirees (50 to 59), City of Onkaparinga: 13.3% Empty nesters and retirees (60 to 69), City of Onkaparinga: 12.4% Seniors (70 to 84), City of Onkaparinga: 9.1% Elderly aged (85 and over), City of Onkaparinga: 2.1%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2016 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in age structure - service age groups, 2011 to 2016
Change in age structure - service age groups, 2011 to 2016 Babies and pre-schoolers (0 to 4), City of Onkaparinga: -169 Primary schoolers (5 to 11), City of Onkaparinga: +644 Secondary schoolers (12 to 17), City of Onkaparinga: -616 Tertiary education and independence (18 to 24), City of Onkaparinga: -149 Young workforce (25 to 34), City of Onkaparinga: +573 Parents and homebuilders (35 to 49), City of Onkaparinga: -432 Older workers and pre-retirees (50 to 59), City of Onkaparinga: +445 Empty nesters and retirees (60 to 69), City of Onkaparinga: +3,020 Seniors (70 to 84), City of Onkaparinga: +3,246 Elderly aged (85 and over), City of Onkaparinga: +621
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 and 2016 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the service age groups of the City of Onkaparinga in 2016 compared to Greater Adelaide shows that there was a higher proportion of people in the younger age groups (0 to 17 years) as well as a higher proportion of people in the older age groups (60+ years).

Overall, 22.5% of the population was aged between 0 and 17, and 23.6% were aged 60 years and over, compared with 21.0% and 23.0% respectively for Greater Adelaide.

The major differences between the age structure of the City of Onkaparinga and Greater Adelaide were:

  • A larger percentage of 'Empty nesters and retirees' (12.4% compared to 11.1%)
  • A smaller percentage of 'Young workforce' (12.4% compared to 13.8%)
  • A smaller percentage of 'Tertiary education & independence' (8.4% compared to 9.5%)

Emerging groups

From 2011 to 2016, City of Onkaparinga's population increased by 7,183 people (4.5%). This represents an average annual population change of 0.88% 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) (+3,246 people)
  • Empty nesters and retirees (60 to 69) (+3,020 people)
  • Primary schoolers (5 to 11) (+644 people)
  • Elderly aged (85 and over) (+621 people)

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