The income gap in America has been widening for decades and the modest three-year recovery did little to change that, according to new Census data.

The new data suggest that despite modest recoveries in many states, the middle class has been shrinking while households have been added in the lowest and highest income brackets. In many states and nationally, the highest income brackets saw more growth than the lowest, but households in the middle brackets continued to decline. The state-by-state data compare incomes from a pair of three-year periods: 2007 through 2009, a span that included the Great Recession, and 2010 through 2012, a period that included the ongoing and modest recovery.

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