Wollondilly Shire CouncilCommunity profile
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Wollondilly Shire

Equivalised household income

Assuming all households were the same size, the 'medium highest' quartile was the largest income group in Wollondilly Shire in 2011.

While Household Income is a useful measure, it is difficult to tell if changes over time and between geographic areas are due to actual changes in income levels, or due to changes in household size and composition. For example, an increase in lower income households could be due to job losses in key economic sectors, or simply due to decreasing household size as adult children leave home.

Equivalised Household Income puts all households on an equal footing independent of household size and composition to enable a true comparison between areas and over time. It is an indicator of the income resource available to a household of standard size and is the best measure of the changing economic fortunes of households living in Wollondilly Shire.

A detailed explanation of how Equivalised Household 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?'

Family, group and lone person households

Equivalised household income quartiles
Wollondilly Shire - Households (Enumerated)20112006Change
Quartile groupNumber%Greater Sydney %Number%Greater Sydney %2006 to 2011
Lowest group2,39419.521.72,21919.521.4+175
Medium lowest3,18526.022.42,88325.421.9+302
Medium highest3,69430.125.73,51731.025.6+177
Highest group2,99424.430.32,73324.131.1+261

Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented by .id , the population experts.

Equivalised household income - Quartile group dollar ranges
Calculated from income data for New South Wales Weekly income by Census year
Equivalised household income ranges
2011
2006
2001
Lowest group $0 to $421 $0 to $347 $0 to $284
Medium lowest $422 to $756 $348 to $608 $285 to $500
Medium highest $757 to $1,243 $609 to $1,022 $501 to $823
Highest group $1,244 and over $1,023 and over $824 and over

Equivalised household income quartiles, 2011
Equivalised household income quartiles, 2011 Highest group, Greater Sydney: 30.3% Medium highest, Greater Sydney: 25.7% Medium lowest, Greater Sydney: 22.4% Lowest group, Greater Sydney: 21.7% Highest group, Wollondilly Shire: 24.4% Medium highest, Wollondilly Shire: 30.1% Medium lowest, Wollondilly Shire: 26.0% Lowest group, Wollondilly Shire: 19.5%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Enumerated data)
Compiled and presented in profile.id by .id, the population experts.
Change in equivalised household income quartiles, 2006 to 2011
Change in equivalised household income quartiles, 2006 to 2011 Highest group, Wollondilly Shire: +261 Medium highest, Wollondilly Shire: +177 Medium lowest, Wollondilly Shire: +302 Lowest group, Wollondilly Shire: +175
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (Enumerated data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Equivalised income quartiles allow us to compare relative income-earning capabilities across time. Because the data is equivalised, households of different size and composition are placed on an equal footing.

Analysis of the distribution of households by income quartile in Wollondilly Shire compared to Greater Sydney shows that there was a lesser proportion of households in the highest equivalised income quartile, as well as a lesser proportion in the lowest equivalised income quartile.

Emerging groups

The most significant change in Wollondilly Shire between 2006 and 2011 was in the medium lowest quartile which showed an increase of 302 households.

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