Five year age groups
There were 9 people over the age of 85 living in Onkaparinga Hills in 2016, with largest age group being 50 to 54 year olds.
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 also an indicator of Onkaparinga Hills's residential role and function and how it is likely to change in the future.
Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.
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 five year age groups of Onkaparinga Hills in 2016 compared to City of Onkaparinga shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 17.2% of the population was aged between 0 and 15, and 13.6% were aged 65 years and over, compared with 18.7% and 17.3% respectively for City of Onkaparinga.
The major differences between the age structure of Onkaparinga Hills and City of Onkaparinga were:
- A larger percentage of persons aged 50 to 54 (10.2% compared to 6.7%)
- A larger percentage of persons aged 45 to 49 (9.5% compared to 6.9%)
- A smaller percentage of persons aged 30 to 34 (4.0% compared to 6.5%)
- A smaller percentage of persons aged 25 to 29 (3.6% compared to 5.9%)
From 2011 to 2016, Onkaparinga Hills's population decreased by 141 people (5.3%). This represents an average annual population change of -1.09% per year over the period.
The largest changes in age structure in this area between 2011 and 2016 were in the age groups:
- 35 to 39 (-70 persons)
- 5 to 9 (-65 persons)
- 40 to 44 (-62 persons)
- 15 to 19 (-59 persons)