City of OnkaparingaCommunity profile
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City of Onkaparinga

Service age groups

The City of Onkaparinga had a higher proportion of pre-schoolers and a lower proportion of persons at post retirement age than Greater Adelaide in 2011.

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 last birthday)?'

Total population

Age structure - Service age groups
City of Onkaparinga - Total persons (Usual residence)20112006Change
Service age group (years)Number%Greater Adelaide %Number%Greater Adelaide %2006 to 2011
map this data in atlas.idBabies and pre-schoolers (0 to 4)10,4616.66.09,1536.15.7+1,308
map this data in atlas.idPrimary schoolers (5 to 11)14,1788.98.114,5939.78.6-415
map this data in atlas.idSecondary schoolers (12 to 17)13,0788.27.513,1738.87.8-95
map this data in atlas.idTertiary education and independence (18 to 24)14,2198.99.814,0839.49.9+136
map this data in atlas.idYoung workforce (25 to 34)20,12012.613.418,32912.212.8+1,791
map this data in atlas.idParents and homebuilders (35 to 49)33,29720.920.933,16522.222.0+132
map this data in atlas.idOlder workers and pre-retirees (50 to 59)21,75313.613.121,65814.513.3+95
map this data in atlas.idEmpty nesters and retirees (60 to 69)17,65911.110.212,8778.68.8+4,782
map this data in atlas.idSeniors (70 to 84)11,9757.58.710,6137.19.1+1,362
map this data in atlas.idElderly aged (85 and over)2,8431.82.42,0701.42.1+773

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), Greater Adelaide: 6.0% Primary schoolers (5 to 11), Greater Adelaide: 8.1% Secondary schoolers (12 to 17), Greater Adelaide: 7.5% Tertiary education and independence (18 to 24), Greater Adelaide: 9.8% Young workforce (25 to 34), Greater Adelaide: 13.4% Parents and homebuilders (35 to 49), Greater Adelaide: 20.9% Older workers and pre-retirees (50 to 59), Greater Adelaide: 13.1% Empty nesters and retirees (60 to 69), Greater Adelaide: 10.2% Seniors (70 to 84), Greater Adelaide: 8.7% Elderly aged (85 and over), Greater Adelaide: 2.4% Babies and pre-schoolers (0 to 4), City of Onkaparinga: 6.6% Primary schoolers (5 to 11), City of Onkaparinga: 8.9% Secondary schoolers (12 to 17), City of Onkaparinga: 8.2% Tertiary education and independence (18 to 24), City of Onkaparinga: 8.9% Young workforce (25 to 34), City of Onkaparinga: 12.6% Parents and homebuilders (35 to 49), City of Onkaparinga: 20.9% Older workers and pre-retirees (50 to 59), City of Onkaparinga: 13.6% Empty nesters and retirees (60 to 69), City of Onkaparinga: 11.1% Seniors (70 to 84), City of Onkaparinga: 7.5% Elderly aged (85 and over), City of Onkaparinga: 1.8%
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), City of Onkaparinga: +1,308 Primary schoolers (5 to 11), City of Onkaparinga: -415 Secondary schoolers (12 to 17), City of Onkaparinga: -95 Tertiary education and independence (18 to 24), City of Onkaparinga: +136 Young workforce (25 to 34), City of Onkaparinga: +1,791 Parents and homebuilders (35 to 49), City of Onkaparinga: +132 Older workers and pre-retirees (50 to 59), City of Onkaparinga: +95 Empty nesters and retirees (60 to 69), City of Onkaparinga: +4,782 Seniors (70 to 84), City of Onkaparinga: +1,362 Elderly aged (85 and over), City of Onkaparinga: +773
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 the City of Onkaparinga in 2011 compared to Greater Adelaide shows that there was a higher proportion of people in the younger age groups (0 to 17 years) and a lower proportion of people in the older age groups (60+ years).

Overall, 23.6% of the population was aged between 0 and 17, and 20.4% were aged 60 years and over, compared with 21.5% and 21.3% 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' (11.1% compared to 10.2%)
  • A larger percentage of 'Primary schoolers' (8.9% compared to 8.1%)
  • A smaller percentage of 'Seniors' (7.5% compared to 8.7%)
  • A smaller percentage of 'Tertiary education & independence' (8.9% compared to 9.8%)

Emerging groups

From 2006 to 2011, City of Onkaparinga's population increased by 9,869 people (6.6%). This represents an average annual population change of 1.28% per year over the period.

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

  • Empty nesters and retirees (60 to 69) (+4,782 people)
  • Young workforce (25 to 34) (+1,791 people)
  • Seniors (70 to 84) (+1,362 people)
  • Babies and pre-schoolers (0 to 4) (+1,308 people)