Individual income quartiles
In South Fremantle, the 'highest' quartile is the largest group, comprising 29% of people aged 15+.
South Fremantle's income statistics are an indicator of socio-economic status. With other data sources, such as Household Income, Educational 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.
Derived from the Census question:
'What is the total of all wages/salaries, government benefits, pensions, allowances and other income the person usually receives?'
Gross amount for persons aged 15 years and over
|Individual income quartiles|
|Quartile group||Number||%||City of Fremantle||Number||%||City of Fremantle||2006 to 2011|
|Total persons aged 15+||2,352||100.0||100.0||2,203||100.0||100.0||+148|
|Individual income - quartile group dollar ranges|
|Calculated from income data for Western Australia||Weekly income by Census year|
|Individual quartile ranges||2011||2006||2001|
|Lowest group||$0 to $284||$0 to $219||$0 to $178|
|Medium lowest||$285 to $661||$220 to $500||$179 to $374|
|Medium highest||$662 to $1,271||$501 to $941||$375 to $692|
|Highest group||$1,272 and over||$942 and over||$693 and over|
Income quartiles allow us to compare relative income-earning capabilities across time. Analysis of the distribution of the population by income quartile in South Fremantle compared to the City of Fremantle shows that there was greater proportion of persons in the highest income quartile, and a similar proportion in the lowest income quartile.
The most significant change in South Fremantle between 2006 and 2011 was in the medium highest quartile which showed an increase of 78 persons.