Tag Archives: Gini Coefficient

Income Inequality – Top 20 States in 2010

Occupy your state?

Wondering how your area ranks for income inequality? One way to objectively measure it is the Gini coefficient, named after Italian statistician and sociologist Corrado Gini. The Gini coefficient is a statistical tool to measure income disparity in a geographic area.

The American Community Survey calculates the coefficient yearly. How does it work? A coefficient of 0 represents perfect income equality, and a 1 perfect income inequality.

The top 20 in 2010:

Can’t find your state? View the interactive map in full screen for a better experience.

Rank State/Territory Gini Coefficient
1 District of Columbia 0.53
2 New York 0.49
3 Connecticut 0.48
4 Massachusetts 0.47
5 Louisiana 0.47
6 Florida 0.47
7 California 0.47
8 Alabama 0.47
9 Texas 0.46
10 Tennessee 0.46
11 South Carolina 0.46
12 Rhode Island 0.46
13 Pennsylvania 0.46
14 North Carolina 0.46
15 New Mexico 0.46
16 New Jersey 0.46
17 Mississippi 0.46
18 Kentucky 0.46
19 Illinois 0.46
20 Georgia 0.46