Aldinga - Port Willunga
Service age groups
Aldinga - Port Willunga had a lower proportion of pre-schoolers and a higher proportion of persons at post retirement age than City of Onkaparinga in 2016.
The Age Structure of Aldinga - Port Willunga provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Aldinga - Port Willunga'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.
Derived from the Census question:
'What is the person's date of birth or age?'
Please refer to specific data notes for more information
Analysis of the service age groups of Aldinga - Port Willunga 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, 21.9% of the population was aged between 0 and 17, and 26.2% were aged 60 years and over, compared with 22.5% and 23.6% respectively for City of Onkaparinga.
The major differences between the age structure of Aldinga - Port Willunga and City of Onkaparinga were:
- A larger percentage of 'Older workers and pre-retirees (50 to 59)' (15.1% compared to 13.3%)
- A larger percentage of 'Seniors (70 to 84)' (10.8% compared to 9.1%)
- A smaller percentage of 'Young workforce (25 to 34)' (9.3% compared to 12.4%)
- A smaller percentage of 'Tertiary education and independence (18 to 24)' (6.8% compared to 8.4%)
From 2011 to 2016, Aldinga - Port Willunga's population increased by 84 people (4.0%). This represents an average annual population change of 0.78% 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) (+69 people)
- Empty nesters and retirees (60 to 69) (+55 people)