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City of OnkaparingaCommunity profile

2016 Census data has been released and we are busy processing it to update this website. View our latest releases here.

Hills South District

Five year age groups

This topic has been updated with 2016 Census data for all areas. What's this?

There were 272 people over the age of 85 living in Hills South District in 2016, with largest age group being 45 to 49 year olds.

The Age Structure of Hills South District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Hills South District'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.

To get a more complete picture Hills South District's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.


Derived from the Census question:

'What is the person's date of birth or age?'

Age structure - Five year age groups
Hills South District - Total persons (Usual residence)20162011Change
Five year age groups (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2011 to 2016
0 to 44254.76.25015.86.6-76
5 to 95816.46.45616.56.3+20
10 to 145506.16.16027.06.7-52
15 to 196156.86.26087.06.8+6
20 to 244034.56.03133.66.2+89
25 to 292552.85.92583.06.4-4
30 to 343694.16.53964.66.2-27
35 to 394925.46.35536.46.6-61
40 to 446307.06.67168.37.1-86
45 to 497368.16.96867.97.1+49
50 to 546737.46.76687.77.0+5
55 to 596817.56.65596.56.6+122
60 to 646467.26.35636.56.5+83
65 to 696026.76.15286.14.6+74
70 to 744905.44.34034.73.2+87
75 to 793834.22.82963.42.4+86
80 to 842342.62.02082.42.0+26
85 and over2723.02.12102.41.8+62
Total population9,045100.0100.08,641100.0100.0+403
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Hills South District 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, 17.2% of the population was aged between 0 and 15, and 21.9% 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 Hills South District and City of Onkaparinga were:

  • A smaller percentage of persons aged 25 to 29 (2.8% compared to 5.9%)
  • A smaller percentage of persons aged 30 to 34 (4.1% compared to 6.5%)
  • A smaller percentage of persons aged 20 to 24 (4.5% compared to 6.0%)
  • A smaller percentage of persons aged 0 to 4 (4.7% compared to 6.2%)

Emerging groups

From 2011 to 2016, Hills South District's population increased by 404 people (4.7%). This represents an average annual population change of 0.92% per year over the period.

The largest changes in age structure in this area between 2011 and 2016 were in the age groups:

  • 55 to 59 (+122 persons)
  • 20 to 24 (+89 persons)
  • 70 to 74 (+87 persons)
  • 75 to 79 (+86 persons)