This map, based on a 2009 study by the Department of Agriculture, illustrates where the food deserts are in the nation. "This map colors each county in America by the percentage of households in ...

The USDA's Food Access Research Atlas shows where it's hard to access fresh food, as well as what percentage of residents can't walk to a supermarket. In a lot of places, it’s a lot of people.

America's food deserts. Slate Above, a map of the US depicting the percentage of people by county who don't have a car and live more than one mile from a grocery store.