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Income Inequality by County, New Jersey, 2022

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Income Inequality by County, New Jersey, 2022

Why Is This Important?

Income inequality harms health by increasing the prevalence of poverty, generating chronic stress due to increased social comparisons, and eroding societal cohesion and destabilizing institutions that protect health.[ ^1^]


The Gini Index is a summary measure of income inequality. The Gini coefficient incorporates the detailed shares data into a single statistic, which summarizes the dispersion of income across the entire income distribution. The Gini coefficient ranges from 0, indicating perfect equality (where everyone receives an equal share), to 1, perfect inequality (where only one recipient or group of recipients receives all the income). The Gini is based on the difference between the Lorenz curve (the observed cumulative income distribution) and the notion of a perfectly equal income distribution.

Data Source

American Community Survey, U.S. Census Bureau

How the Measure is Calculated

  • Numerator:

  • Denominator:


Data Issues

The U.S. Census Bureau did not release its standard 1-year estimates from the 2020 American Community Survey because of the impacts of the COVID-19 pandemic on data collection.

Related Risk Factors Indicators:

Health Topic Pages Related to: Income Inequality

Indicator Data Last Updated On 10/25/2023, Published on 06/04/2024
NJ State Health Assessment Data, New Jersey Department of Health, PO Box 360, Trenton, NJ 08625-0360 (