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City of OnkaparingaCommunity profile

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

Central North District

Service age groups

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

Central North District had a similar proportion of pre-schoolers and a higher proportion of persons at post retirement age than City of Onkaparinga in 2016.

The Age Structure of Central North District provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Central North 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 Central North 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
Central North District - Total persons (Usual residence)20162011Change
Service age group (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2011 to 2016
Babies and pre-schoolers (0 to 4)4,5626.26.24,6196.56.6-57
Primary schoolers (5 to 11)6,1608.48.96,0428.58.9+118
Secondary schoolers (12 to 17)5,1787.07.55,5147.78.2-336
Tertiary education and independence (18 to 24)6,3928.78.46,4719.18.9-79
Young workforce (25 to 34)9,95813.612.49,76713.712.6+191
Parents and homebuilders (35 to 49)13,98919.019.714,31020.120.9-321
Older workers and pre-retirees (50 to 59)9,28912.613.39,22813.013.6+62
Empty nesters and retirees (60 to 69)8,99812.212.47,98911.211.1+1,008
Seniors (70 to 84)7,2389.99.15,8168.27.5+1,422
Elderly aged (85 and over)1,6972.32.11,4212.01.8+276
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 Central North District in 2016 compared to City of Onkaparinga 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, 21.6% of the population was aged between 0 and 17, and 24.4% were aged 60 years and over, compared with 22.5% and 23.6% respectively for City of Onkaparinga.

The major difference between the age structure of Central North District and City of Onkaparinga is:

  • A larger percentage of 'Young workforce (25 to 34)' (13.6% compared to 12.4%)

Emerging groups

From 2011 to 2016, Central North District's population increased by 2,283 people (3.2%). This represents an average annual population change of 0.63% 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) (+1,422 people)
  • Empty nesters and retirees (60 to 69) (+1,008 people)
  • Secondary schoolers (12 to 17) (-336 people)
  • Parents and homebuilders (35 to 49) (-321 people)

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