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City of OnkaparingaCommunity profile

The City of Onkaparinga

Migration by age

In 2021, the age group with the highest net migration to Willunga and Surrounds was persons aged 25 to 34 years.

The age structure of people who move into and out of the City of Onkaparinga is strongly influenced by the residential role and function of the area and can influence demand for particular services. For instance, inner city areas near employment, education and entertainment tend to attract many young people in their late teens and early twenties, who move out in their late twenties and thirties to start families in suburban areas. Rural areas tend to lose young people and gain older families and retirees.

Understanding the City of Onkaparinga's attraction to different age groups helps to plan services for the community as well as advocating with other levels of government and private enterprise to provide infrastructure, employment opportunities and facilities which may help to retain age groups which are otherwise leaving the area.

To see annual migration patterns (outside the Census), please refer to the Annual migration by location page. Note - please use this with caution as currently the annual migration numbers are based on pre-Census change-of-address records and may not match the numbers on this page from the 2021 Census

Q:

Derived from the Census questions:

'Where does the person usually live?' and 'Where did the person usually live five years ago (at 10 August 2016)'.

Migration by age group 2021
City of Onkaparinga
Age groupIn migrationOut migrationNet migration
5 to 11 years+1,935-1,987-52
12 to 17 years+1,300-1,269+31
18 to 24 years+2,011-2,524-513
25 to 34 years+5,500-4,883+617
35 to 44 years+3,801-3,258+543
45 to 54 years+2,535-2,255+280
55 to 64 years+2,064-1,913+151
65 years and over+2,504-2,265+239
Total population+21,650-20,354+1,296
Source: Australian Bureau of Statistics, Census of Population and Housing , 2021 (Usual Residence Data). Compiled and presented in profile.id by .id (informed decisions).
Please refer to specific data notes for more information

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