Shire of Serpentine Jarrahdale
Resident workers - Individual income quartiles
In the Shire of Serpentine Jarrahdale, the 'medium highest' quartile is the largest group, comprising 27% 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, Occupation, Qualification and the Age structure of the local resident workers, so the data should be looked at in conjunction with these topics.
Australian Bureau of Statistics (ABS) – Census 2011 and 2016 – by usual residence
|Resident workers individual income quartiles|
|Shire of Serpentine Jarrahdale||2016||2011||Change|
|Quartile group||Number||%||Western Australia %||Number||%||Western Australia %||2011 to 2016|
Source: Derived from the Australian Bureau of Statistics, Census of Population and Housing (opens a new window) 2011 and 2016. Compiled and presented in profile.id by .id (opens a new window), the population experts.
|Quartile group dollar ranges (Individuals)|
|Calculated from income data for Western Australia||Weekly income by Census year|
|Individual quartile ranges||2016||2011|
|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|
Income quartiles allow us to compare relative income-earning capabilities across time. Analysis of the distribution of the resident workers by income quartile in Shire of Serpentine Jarrahdale compared to Western Australia shows that there was lesser proportion of people in the highest income quartile, as well as a lesser proportion in the lowest income quartile.
The most significant change for the resident workers in Shire of Serpentine Jarrahdale between 2011 and 2016 was in the highest quartile which showed a slight decrease of -7,824 people.