Shire of Serpentine JarrahdaleEconomic profile
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Shire of Serpentine Jarrahdale

Local workers - Individual income quartiles - All industries

In the Shire of Serpentine Jarrahdale, the 'lowest' quartile is the largest group, comprising 32% of local 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 a specified industry for the state are split into four equal groups, each containing 25% of the workers in that industry, and the quartiles allow users to compare changes in that industry 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, Qualifications and the Age structure of the local workers, so the data should be looked at in conjunction with these topics.

Australian Bureau of Statistics (ABS) – Census 2011 and 2016 – by place of work

Please note – The 2016 Census used a new methodology to “impute” a work location to people who didn’t state their workplace address. As a result, 2016 and 2011 place of work data are not normally comparable. To allow comparison between 2011 and 2016, .id has sourced a 2011 dataset from the ABS which was experimentally imputed using the same methodology. To provide this detail, Shire of Serpentine Jarrahdale in 2011 had to be constructed from a best fit of Work Destination Zones (DZNs). While it may not be an exact match to the LGA or region boundary, it is considered close enough to allow some comparison. Users should treat this time series data with caution, however, and not compare directly with 2011 data from any other source.

Local workers individual income quartiles
Shire of Serpentine Jarrahdale - All industries20162011Change
Quartile groupNumber%Western Australia %Number%Western Australia %2011 to 2016
Lowest group1,43331.925.01,16335.625.0+269
Medium lowest1,27528.425.088427.125.0+391
Medium highest1,11524.825.079024.225.0+325
Highest group66814.925.042613.025.0+242

Source: Derived from the Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented in by .id , the population experts.

Quartile group dollar ranges (Individuals)
Calculated from income data for Western Australia - All industries Weekly income by Census year
Individual quartile ranges
Lowest group $0 to $662 $0 to $601
Medium lowest $663 to $1,124 $602 to $1,015
Medium highest $1,125 to $1,759 $1,016 to $1,616
Highest group $1,760 and over $1,617 and over

Local workers individual income quartiles, 2016
Local workers individual income quartiles, 2016 Highest group, Western Australia: 25.0% Medium highest, Western Australia: 25.0% Medium lowest, Western Australia: 25.0% Lowest group, Western Australia: 25.0% Highest group, All industries: 14.9% Medium highest, All industries: 24.8% Medium lowest, All industries: 28.4% Lowest group, All industries: 31.9%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2016
Compiled and presented in by .id, the population experts.
Change in local workers individual income quartiles, 2011 to 2016
Change in local workers individual income quartiles, 2011 to 2016 Highest group, All industries: +242 Medium highest, All industries: +325 Medium lowest, All industries: +391 Lowest group, All industries: +269
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 and 2016
Compiled and presented in by .id, the population experts.

Dominant groups

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

Emerging groups

The most significant change for the between 2011 and 2016 was in the medium lowest quartile which showed an increase of 391 people.

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