Aldinga - Port Willunga
Five year age groups
There were 28 people over the age of 85 living in Aldinga - Port Willunga in 2016, with largest age group being 45 to 49 year olds.
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 also an indicator of Aldinga - Port Willunga'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?'
|Age structure - Five year age groups|
|Aldinga - Port Willunga - Total persons (Usual residence)||2016||2011||Change|
|Five year age groups (years)||Number||%||City of Onkaparinga %||Number||%||City of Onkaparinga %||2011 to 2016|
|0 to 4||111||5.0||6.2||146||6.9||6.6||-35|
|5 to 9||129||5.8||6.4||118||5.6||6.3||+11|
|10 to 14||129||5.8||6.1||155||7.3||6.7||-26|
|15 to 19||146||6.6||6.2||105||5.0||6.8||+41|
|20 to 24||107||4.8||6.0||113||5.3||6.2||-6|
|25 to 29||114||5.1||5.9||92||4.3||6.4||+22|
|30 to 34||105||4.7||6.5||140||6.6||6.2||-35|
|35 to 39||130||5.8||6.3||152||7.2||6.6||-22|
|40 to 44||161||7.2||6.6||162||7.6||7.1||-1|
|45 to 49||183||8.2||6.9||179||8.4||7.1||+4|
|50 to 54||179||8.0||6.7||142||6.7||7.0||+37|
|55 to 59||150||6.7||6.6||167||7.9||6.6||-17|
|60 to 64||156||7.0||6.3||159||7.5||6.5||-3|
|65 to 69||151||6.8||6.1||96||4.5||4.6||+55|
|70 to 74||123||5.5||4.3||72||3.4||3.2||+51|
|75 to 79||70||3.1||2.8||62||2.9||2.4||+8|
|80 to 84||56||2.5||2.0||36||1.7||2.0||+20|
|85 and over||28||1.3||2.1||24||1.1||1.8||+4|
Please refer to specific data notes for more information
Analysis of the five year 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 (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 16.6% of the population was aged between 0 and 15, and 19.2% 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 Aldinga - Port Willunga and City of Onkaparinga were:
- A larger percentage of persons aged 45 to 49 (8.2% compared to 6.9%)
- A larger percentage of persons aged 50 to 54 (8.0% compared to 6.7%)
- A larger percentage of persons aged 70 to 74 (5.5% compared to 4.3%)
- A smaller percentage of persons aged 30 to 34 (4.7% compared to 6.5%)
From 2011 to 2016, Aldinga - Port Willunga's population increased by 108 people (5.1%). This represents an average annual population change of 1.0% per year over the period.
The largest changes in age structure in this area between 2011 and 2016 were in the age groups:
- 65 to 69 (+55 persons)
- 70 to 74 (+51 persons)