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City of ParramattaCommunity profile

North Rocks

Individual income quartiles

In North Rocks, the 'highest' male income quartile was the largest group in 2021, comprising 31% of males aged 15 and over.

North Rocks'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
North Rocks - Males aged 15+ (Usual residence)20212016Change
Quartile groupNumber%City of Parramatta %Number%City of Parramatta %2016 to 2021
Lowest group78224.222.762922.724.4+153
Medium lowest61919.122.652719.021.2+92
Medium highest82725.626.567424.326.0+153
Highest group1,00731.128.294734.128.4+60
Total persons aged 15+3,237100.0100.02,779100.0100.0+458
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
Individual income - Quartile group dollar ranges
Calculated from income data for New South Wales - Total persons aged 15+Weekly income by Census year
Individual quartile ranges20212016201120062001
Lowest group$0 to $433$0 to $371$0 to $309$0 to $244$0 to $256
Medium lowest$434 to $992$372 to $827$310 to $725$245 to $605$257 to $546
Medium highest$993 to $1,740$828 to $1,488$726 to $1,314$606 to $1,095$547 to $913
Highest group$1,741 and over$1,489 and over$1,315 and over$1,096 and over$914 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 North Rocks compared to the City of Parramatta shows that there was greater proportion of persons in the highest income quartile as well as a greater proportion in the lowest income quartile.

Emerging groups

The most significant change in North Rocks in males between 2016 and 2021 was in the medium highest quartile which showed an increase of 153 males.

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