Willoughby City

Resident workers - Individual income quartiles

In Willoughby City, the 'highest group' quartile is the largest group, comprising 44% 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, Occupations, Qualification and the Age structure of the local resident workers, so the data should be looked at in conjunction with these topics.

Data source

Australian Bureau of Statistics (ABS) – Census 2011 and 2016 – by usual residence

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Current benchmark:
Resident workers individual income quartiles
Willoughby City - Persons 20162011Change
Quartile groupNumber%. New South WalesNumber%. New South Wales2011 - 2016
Lowest group6,60618.425.05,69817.325.0+908
Medium lowest5,82216.225.05,22415.825.0+598
Medium highest7,72221.525.07,33722.225.0+385
Highest group15,72843.825.014,74244.725.0+986
Total Persons35,878100.0100.033,001100.0100.0+2,877

Source: Derived from the Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented .id (informed decisions).

Please refer to specific data notes for more information
Quartile group dollar ranges (Individuals)
Quartile group dollar ranges (Individuals) Weekly income by Census year
Individual quartile ranges20162011
Lowest group$0 to $638$0 to $557
Medium lowest$639 to $1,030$558 to $909
Medium highest$1,031 to $1,623$910 to $1,435
Highest group$1,624 and over$1,436 and over
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Dominant groups

Income quartiles allow us to compare relative income-earning capabilities across time. Analysis of the distribution of the resident workers by income quartile in Willoughby City compared to New South Wales shows that there was greater proportion of persons in the highest income quartile, and a lesser proportion in the lowest income quartile.

Emerging groups

The most significant change for the resident workers in Willoughby City between 2011 and 2016 was in the highest group quartile which showed an increase of 986 resident.

Willoughby City Council

economic profile