Inequality across the country, in two maps

September 24, 2012

The Census has calculated the Gini coefficients — the standard measure of income inequality — for each state, and the results aren't necessarily what you'd expect:


Source: U.S. Census Bureau

The dark purple areas are highly unequal and the light blue ones highly equal. New York is the most unequal state, followed by Connecticut, Louisiana and New Mexico (a motley crew if ever there was one), and Wyoming, Alaska, Utah, Hawaii and Vermont are the most equal. To some extent, this is a rural/urban divide. New York City has both a lot of poor people and a few extravagantly wealthy people, whereas there's no metropolis in Wyoming full of extremely rich folks. More generally, top earners tend to live in cities, as do the poor, so it makes sense that urban areas would be more unequal.

How has this changed since the recession hit? I computed how much the Gini coefficient changed for each state between 2008 and 2011 to find out. The red states saw inequality rise and the blue ones saw it fall, with darker colors indicating larger rises/falls:

Again, inequality patterns make for some odd partners. Inequality fell the most in Wyoming, Montana and South Dakota, with North Dakota and Minnesota also faring well, but Delaware, Mississippi and three states in New England all saw declines as well. The most intense rises in inequality came in Nevada and New Mexico, two Sun Belt states very hard hit by the housing crash, but states from Michigan to Georgia to Maine also saw big increases. Most of the country, the pale pink in the map above, saw a mild increase. The only discernible pattern is that small states, unsurprisingly, saw bigger swings.

(Census map via Taegan Goddard)

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