City of Mandurah

Resident workers - Individual income quartiles

In the City of Mandurah, the 'lowest group' quartile is the largest group, comprising 29% of the resident workers.

Individual Income is an indicator of socio-economic status, skills and occupations required in a particular industry. With other data sources, such as Qualifications and Occupation, it helps to evaluate the economic opportunities of people in an industry.

Income quartiles are used to condense income categories into manageable units, adjust for the effects of inflation, and allow areas to be compared over time relative to a benchmark. The incomes for the state are split into four equal groups, each containing 25% of the local labour force, and the quartiles allow users to compare changes in the local area to changes statewide, or against another benchmark. For more information on how quartiles are calculated please refer to the data notes.

As well as being related to the type of jobs and qualifications required in a particular industry, income levels can be related to the level of part-time employment, Occupations, Qualification and the Age structure of the local resident workers, so the data should be looked at in conjunction with these topics.

Data source

Australian Bureau of Statistics (ABS) – Census 2011 and 2016 – by usual residence

Select industry:
Current benchmark:
Resident workers individual income quartiles
City of Mandurah - Persons 20162011Change
Quartile groupNumber%. Western AustraliaNumber%. Western Australia2011 - 2016
Lowest group8,72028.525.07,93629.425.0+785
Medium lowest7,58824.825.06,62724.525.0+961
Medium highest6,83522.325.05,91521.925.0+920
Highest group7,44224.325.06,53224.225.0+910
Total Persons30,585100.0100.027,010100.0100.0+3,575

Source: Derived from the Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented .id (informed decisions).

Please refer to specific data notes for more information
Quartile group dollar ranges (Individuals)
Quartile group dollar ranges (Individuals) Weekly income by Census year
Individual quartile ranges20162011
Lowest group$0 to $659$0 to $597
Medium lowest$660 to $1,117$598 to $1,009
Medium highest$1,118 to $1,743$1,010 to $1,601
Highest group$1,744 and over$1,602 and over
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Dominant groups

Income quartiles allow us to compare relative income-earning capabilities across time. Analysis of the distribution of the resident workers by income quartile in the City of Mandurah compared to Western Australia shows that there was lesser proportion of persons in the highest income quartile, and a greater proportion in the lowest income quartile.

Emerging groups

The most significant change for the resident workers in the City of Mandurah between 2011 and 2016 was in the medium lowest quartile which showed an increase of 961 resident.

City of Mandurah

economic profile