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City of OnkaparingaCommunity profile

We’re continuing to update these pages with data from the 2016 Census. Read more about our updates.

Central South District

Five year age groups

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

There were 420 people over the age of 85 living in Central South District in 2016, with largest age group being 30 to 34 year olds.

The Age Structure of Central 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 Central 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 Central 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
Central 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 41,6477.46.21,3497.16.6+298
5 to 91,5767.16.41,2596.76.3+317
10 to 141,4226.46.11,2706.76.7+152
15 to 191,3125.96.21,2186.46.8+94
20 to 241,4146.36.01,1336.06.2+281
25 to 291,4636.55.91,2956.86.4+168
30 to 341,6927.66.51,2446.66.2+448
35 to 391,4666.66.31,3487.16.6+118
40 to 441,5587.06.61,3757.37.1+184
45 to 491,4586.56.91,3367.17.1+122
50 to 541,4116.36.71,2366.57.0+175
55 to 591,3456.06.61,1306.06.6+215
60 to 641,2315.56.31,0545.66.5+178
65 to 691,1375.16.18084.34.6+329
70 to 748293.74.36093.23.2+220
75 to 795722.62.84852.62.4+87
80 to 843961.82.04522.42.0-56
85 and over4201.92.13091.61.8+111
Total population22,358100.0100.018,914100.0100.0+3,444
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 Central South District in 2016 compared to City of Onkaparinga shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 20.8% of the population was aged between 0 and 15, and 15.0% 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 Central South District and City of Onkaparinga were:

  • A larger percentage of persons aged 0 to 4 (7.4% compared to 6.2%)
  • A larger percentage of persons aged 30 to 34 (7.6% compared to 6.5%)
  • A smaller percentage of persons aged 65 to 69 (5.1% compared to 6.1%)
  • A smaller percentage of persons aged 60 to 64 (5.5% compared to 6.3%)

Emerging groups

From 2011 to 2016, Central South District's population increased by 3,444 people (18.2%). This represents an average annual population change of 3.4% per year over the period.

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

  • 30 to 34 (+448 persons)
  • 65 to 69 (+329 persons)
  • 5 to 9 (+317 persons)
  • 0 to 4 (+298 persons)

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