Household Income Inequality within U.S. Counties: 2006-2010

"Since 1967, U.S. household income inequality has grown 18 percent. Nearly half of that growth occurred during the 1980s. More recently, the growth in income inequality has tapered off.1 Levels of inequality vary across the country. This report presents measures of household income inequality for counties in the United States, based on data pooled from 5 years (2006 to 2010) of American Community Survey (ACS) data..."