Powered by .id (informed decisions) for Shire of Serpentine Jarrahdale
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LEARN MORE ABOUT .idIn the Shire of Serpentine Jarrahdale, the 'medium highest' female income quartile was the largest group in 2021, comprising 28% of females aged 15 and over.
the Shire of Serpentine Jarrahdale'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 | |||||||
|---|---|---|---|---|---|---|---|
| Shire of Serpentine Jarrahdale - Females aged 15+ (Usual residence) | 2021 | 2011 | Change | ||||
| Quartile group | Number | % | Mundijong area % | Number | % | Mundijong area % | 2011 to 2021 |
| Lowest group | 3,195 | 27.7 | 28.2 | 1,787 | 28.4 | 31.6 | +1,408 |
| Medium lowest | 2,566 | 22.2 | 21.7 | 1,436 | 22.8 | 23.8 | +1,130 |
| Medium highest | 3,201 | 27.7 | 29.8 | 1,644 | 26.1 | 24.9 | +1,558 |
| Highest group | 2,586 | 22.4 | 20.3 | 1,426 | 22.7 | 19.6 | +1,161 |
| Total persons aged 15+ | 11,551 | 100.0 | 100.0 | 6,294 | 100.0 | 100.0 | +5,257 |
| Individual income - Quartile group dollar ranges | |||||
|---|---|---|---|---|---|
| Calculated from income data for Western Australia - Total persons aged 15+ | Weekly income by Census year | ||||
| Individual quartile ranges | 2021 | 2016 | 2011 | 2006 | 2001 |
| Lowest group | $0 to $330 | $0 to $246 | $0 to $230 | $0 to $179 | $0 to $182 |
| Medium lowest | $331 to $659 | $247 to $544 | $231 to $474 | $180 to $365 | $183 to $315 |
| Medium highest | $660 to $1,239 | $545 to $1,056 | $475 to $921 | $366 to $685 | $316 to $550 |
| Highest group | $1,240 and over | $1,057 and over | $922 and over | $686 and over | $551 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 Shire of Serpentine Jarrahdale compared to Mundijong area shows that there was greater proportion of persons in the highest income quartile and a lesser proportion in the lowest income quartile.
Emerging groups
The most significant change in Shire of Serpentine Jarrahdale in females between 2011 and 2021 was in the medium highest quartile which showed an increase of 1,558 females.
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