A map of median household incomes across Rutherford County’s U.S. Census blocks. Dark-gray blocks are at or below the 25th percentile. Light-gray blocks are between the 25th percentile and the median. Light-green blocks are between the median and the 75th percentile. Dark green blocks are above the 75th percentile. Source: 2010-2014 American Community Survey data, via the U.S. Census Bureau’s American FactFinder.