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Blacktown City CouncilCommunity profile

Blacktown City

Household income quartiles

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In Blacktown City Council, the 'highest' quartile was the largest group in 2021, comprising 36.6% of non-English speakers.

Households form the common 'economic unit' in our society. Household income is one of the most important indicators of socio-economic status. With other data sources, such as Qualifications and Occupation, it helps to reveal Blacktown City Council's socio-economic status and economic opportunities for the non-English speaking population.

Household 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 a powerful and objective way of looking at income data and in particular, how it is changing. Analysis is simpler due to the breakdown into four simple groups. Quartiles are defined as each containing 25% of all households in New South Wales. This topic shows the proportion of the non-English speaking population falling into these four groups which contain an equal number of households at the state level, but may contain different numbers of people. The comparison is shown for people in the selected benchmark.

A detailed explanation of how Household 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?'

Household income quartiles
Blacktown City Council - non-English20212016Change
Quartile groupNumber%Blacktown City - Total populationNumber%Blacktown City - Total population2016 to 2021
Lowest group17,0819.912.314,60311.712.9+2,478
Medium lowest34,26219.820.926,83021.421.5+7,433
Medium highest58,22633.732.641,46033.132.2+16,765
Highest group63,32336.634.242,26633.833.4+21,057
Total people172,894100.0100.0125,161100.0100.0+47,733
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information
Household income - Quartile group dollar ranges
Calculated from income data for New South WalesWeekly income by Census year
Household income ranges202120162011
Lowest group$0 to $886$0 to $750$0 to $614
Medium lowest$887 to $1,824$751 to $1,481$615 to $1,233
Medium highest$1,825 to $3,134$1,482 to $2,554$1,234 to $2,272
Highest group$3,135 and over$2,555 and over$2,273 and over

Dominant groups

Income quartiles allow us to compare relative income-earning capabilities across time. Analysis of the distribution of non-English speakers in households by household income quartile in Blacktown City compared to the total households in Blacktown City shows that there was greater proportion of people in households in the highest income quartile, and a lesser proportion in the lowest income quartile.

Emerging groups

The most significant change in Blacktown City between 2016 and 2021 for non-English speakers was in the highest quartile which showed an increase of 21,057 persons.

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