The Heller School For Social Policty And Management The Heller School For Social Policy and Management Brandeis University

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Definition: The Gini Index is a measure of income inequality, ranging from 0 (complete equality) to 100 (complete inequality). Higher values indicate that the metro area is more unequal in terms of how income is distributed among households. Lower values mean that income is more equally distributed.

Notes: Estimates of the Gini Index are based on a sample and are therefore subject to sampling error.  To see the lower and upper bounds of the 90% confidence interval for these estimates, click on the link below.  We can be 90% certain that the true value of the Gini Index lies between these lower and upper bounds. 

Source: 2010 American Community Survey.

Confidence Intervals: Income Inequality -- Gini Index