Powered by .id (informed decisions) for City of Onkaparinga
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LEARN MORE ABOUT .idIn 2021, Onkaparinga Hills had lower proportion of children (under 18) and a higher proportion of persons aged 60 or older than Seaford Rise - Seaford Heights.
The Age Structure of Onkaparinga Hills provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Onkaparinga Hills'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 Onkaparinga Hills'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?'
Dominant groups
Analysis of the service age groups of Onkaparinga Hills in 2021 compared to Seaford Rise - Seaford Heights 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, 22.1% of the population was aged between 0 and 17, and 25.5% were aged 60 years and over, compared with 25.4% and 19.2% respectively for Seaford Rise - Seaford Heights.
The major differences between the age structure of Onkaparinga Hills and Seaford Rise - Seaford Heights were:
- A larger percentage of 'Empty nesters and retirees' (14.6% compared to 9.1%)
- A larger percentage of 'Older workers & pre-retirees' (16.8% compared to 13.3%)
- A smaller percentage of 'Young workforce' (9.2% compared to 13.4%)
- A smaller percentage of 'Babies and pre-schoolers' (4.1% compared to 6.6%)
Emerging groups
From 1996 to 2021, Onkaparinga Hills's population increased by 23 people (0.9%). This represents an average annual population change of 0.04% per year over the period.
The largest changes in the age structure in this area between 1996 and 2021 were in the age groups:
- Empty nesters and retirees (60 to 69) (+288 people)
- Parents and homebuilders (35 to 49) (-258 people)
- Seniors (70 to 84) (+243 people)
- Older workers and pre-retirees (50 to 59) (+211 people)
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