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City of OnkaparingaCommunity profile

Central North District

Service age groups

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In 2021, the Central North District had lower proportion of female children (under 18) and a higher proportion of females aged 60 or older than the City of Onkaparinga.

The Age Structure of the 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 the 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 the Central North District's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Q:

Derived from the Census question:

'What is the person's date of birth or age?'

Age structure - Service age groups
Central North District - Total females (Usual residence)20212016Change
Service age group (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2016 to 2021
Babies and pre-schoolers (0 to 4)2,0435.25.12,2526.05.9-209
Primary schoolers (5 to 11)3,0317.88.22,9417.88.4+90
Secondary schoolers (12 to 17)2,4546.36.82,5146.77.2-60
Tertiary education and independence (18 to 24)3,1048.07.63,1198.38.1-15
Young workforce (25 to 34)5,15213.212.14,99913.312.3+152
Parents and homebuilders (35 to 49)7,21818.519.37,05918.819.8+159
Older workers and pre-retirees (50 to 59)5,01312.813.24,88213.013.6+131
Empty nesters and retirees (60 to 69)4,84312.412.84,77012.712.7+73
Seniors (70 to 84)5,03612.912.23,94410.59.5+1,091
Elderly aged (85 and over)1,1412.92.61,0662.82.5+75
Total39,035100.0100.037,548100.0100.0+1,486
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the female service age groups of the Central North District in 2021 compared to the City of Onkaparinga shows that there was a lower proportion of females in the younger age groups (0 to 17 years) and a higher proportion of females in the older age groups (60+ years).

Overall, 19.3% of the female population was aged between 0 and 17, and 28.2% were aged 60 years and over, compared with 20.2% and 27.6% respectively for the City of Onkaparinga.

The major differences between the female age structure of the Central North District and the City of Onkaparinga were:

  • A larger percentage of 'Young workforce' (13.2% compared to 12.1%)
  • A smaller percentage of 'Parents and homebuilders' (18.5% compared to 19.3%)

Emerging groups

From 2016 to 2021, Central North District's female population increased by 1,487 people (4.0%). This represents an average annual population change of 0.78% per year over the period.

The largest changes in the female age structure in this area between 2016 and 2021 were in the age groups:

  • Seniors (70 to 84) (+1,091 females)
  • Babies and pre-schoolers (0 to 4) (-209 females)
  • Parents and homebuilders (35 to 49) (+159 females)
  • Young workforce (25 to 34) (+152 females)

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