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City of OnkaparingaCommunity profile
Service age groups Five year age groups Age-sex pyramid

Central North District

Service age groups

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In 2021, the Central North District had lower proportion of male children (under 18) and a lower proportion of males aged 60 or older than Aldinga - Port Willunga.

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?'

Refers to:

Total population

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Age structure - Service age groups
Central North District - Total males (Enumerated)20212006Change
Service age group (years)Number%Aldinga - Port Willunga %Number%Aldinga - Port Willunga %2006 to 2021
Babies and pre-schoolers (0 to 4)2,0855.74.02,2056.67.4-121
Primary schoolers (5 to 11)3,1868.610.53,38110.111.7-195
Secondary schoolers (12 to 17)2,7397.49.42,9078.79.1-169
Tertiary education and independence (18 to 24)3,2078.77.33,35710.19.0-151
Young workforce (25 to 34)5,10113.89.94,48813.510.0+612
Parents and homebuilders (35 to 49)7,02119.116.87,00821.022.4+12
Older workers and pre-retirees (50 to 59)4,57912.416.04,49313.513.8+86
Empty nesters and retirees (60 to 69)4,03711.014.72,8678.68.3+1,169
Seniors (70 to 84)4,17011.310.02,2466.78.3+1,924
Elderly aged (85 and over)7292.01.43801.1--+349
Total36,854100.0100.033,336100.0100.0+3,517
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Enumerated data). Compiled and presented in profile.id by .id (informed decisions).
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2021 (Enumerated data). Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the male service age groups of the Central North District in 2021 compared to Aldinga - Port Willunga shows that there was a lower proportion of males in the younger age groups (0 to 17 years) as well as a lower proportion of males in the older age groups (60+ years).

Overall, 21.7% of the male population was aged between 0 and 17, and 24.2% were aged 60 years and over, compared with 23.9% and 26.1% respectively for Aldinga - Port Willunga.

The major differences between the male age structure of the Central North District and Aldinga - Port Willunga were:

  • A larger percentage of 'Young workforce' (13.8% compared to 9.9%)
  • A larger percentage of 'Parents and homebuilders' (19.1% compared to 16.8%)
  • A smaller percentage of 'Empty nesters and retirees' (11.0% compared to 14.7%)
  • A smaller percentage of 'Older workers & pre-retirees' (12.4% compared to 16.0%)

Emerging groups

From 2006 to 2021, Central North District's male population increased by 3,518 people (10.6%). This represents an average annual population change of 0.67% per year over the period.

The largest changes in the male age structure in this area between 2006 and 2021 were in the age groups:

  • Seniors (70 to 84) (+1,924 males)
  • Empty nesters and retirees (60 to 69) (+1,169 males)
  • Young workforce (25 to 34) (+612 males)
  • Elderly aged (85 and over) (+349 males)

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