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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.

Northern District

Five year age groups

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

There were 794 people over the age of 85 living in Northern District in 2016, with largest age group being 55 to 59 year olds.

The Age Structure of Northern 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 Northern 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 Northern 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
Northern District - Total persons (Usual residence)20162011Change
Five year age groups (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2011 to 2016
0 to 42,2345.66.22,4346.06.6-200
5 to 92,5816.46.42,4216.06.3+160
10 to 142,4426.16.12,7476.86.7-305
15 to 192,6836.76.22,9517.36.8-268
20 to 242,3705.96.02,5256.36.2-155
25 to 292,1515.35.92,2585.66.4-107
30 to 342,3775.96.52,4766.16.2-99
35 to 392,5966.56.32,7106.76.6-114
40 to 442,6346.66.62,8587.17.1-224
45 to 492,8437.16.92,9967.47.1-153
50 to 542,8347.06.73,2348.07.0-400
55 to 592,9527.36.62,9187.26.6+34
60 to 642,7676.96.32,7876.96.5-20
65 to 692,6686.66.11,6594.14.6+1,009
70 to 741,6034.04.31,0932.73.2+510
75 to 799832.42.88062.02.4+177
80 to 846991.72.07051.82.0-6
85 and over7942.02.16911.71.8+103
Total population40,211100.0100.040,269100.0100.0-58
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 Northern District 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, 18.0% of the population was aged between 0 and 15, and 16.8% 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 Northern District and City of Onkaparinga were:

  • A larger percentage of persons aged 55 to 59 (7.3% compared to 6.6%)
  • A larger percentage of persons aged 60 to 64 (6.9% compared to 6.3%)
  • A smaller percentage of persons aged 30 to 34 (5.9% compared to 6.5%)
  • A smaller percentage of persons aged 0 to 4 (5.6% compared to 6.2%)

Emerging groups

From 2011 to 2016, Northern District's population decreased by 58 people (0.1%). This represents an average annual population change of -0.03% 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 (+1,009 persons)
  • 70 to 74 (+510 persons)
  • 50 to 54 (-400 persons)
  • 10 to 14 (-305 persons)