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City of AdelaideCommunity profile

South West Overlay

Individual income quartiles

In South West Overlay, the 'highest' income quartile was the largest group in 2021, comprising 31% of people aged 15 and over.

South West Overlay's income statistics are an indicator of socio-economic status. With other data sources, such as Household Income, Qualifications and Occupation, they help tell the story of the area's economic opportunities and socio-economic status. Individual income levels are not comparable over time because of the influences of economic change such as wage level fluctuations and inflation. The income quartile method is the most objective method of comparing change in the income profile of a community over time.

A detailed explanation of how Individual Income quartiles are calculated and interpreted is available in specific data notes.

Q:

Derived from the Census question:

'What is the total of all wages/salaries, government benefits, pensions, allowances and other income the person usually receives?'

Individual income quartiles
South West Overlay - Persons aged 15+ (Usual residence)20212011Change
Quartile groupNumber%City of Adelaide %Number%City of Adelaide %2011 to 2021
Lowest group84825.329.370734.032.0+141
Medium lowest64919.418.940919.716.6+240
Medium highest81524.321.042620.518.5+389
Highest group1,03931.030.853725.832.8+501
Total persons aged 15+3,353100.0100.02,081100.0100.0+1,271
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information
Individual income - Quartile group dollar ranges
Calculated from income data for South Australia - Total persons aged 15+Weekly income by Census year
Individual quartile ranges20212016201120062001
Lowest group$0 to $377$0 to $319$0 to $270$0 to $211$0 to $181
Medium lowest$378 to $733$320 to $600$271 to $533$212 to $433$182 to $345
Medium highest$734 to $1,320$601 to $1,106$534 to $980$434 to $792$346 to $622
Highest group$1,321 and over$1,107 and over$981 and over$793 and over$623 and over

Dominant groups

Income quartiles allow us to compare relative income-earning capabilities across time. Analysis of the distribution of the population by income quartile in South West Overlay compared to the City of Adelaide shows that there was similar proportion of persons in the highest income quartile and a lesser proportion in the lowest income quartile.

Emerging groups

The most significant change in South West Overlay in persons between 2011 and 2021 was in the highest quartile which showed an increase of 501 persons.

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