This map shows the median household income for each county in the United States.
Click on the map to see a larger version
It was created by Reddit user DMan9797 using statistics from STATS America, a service of the Indiana Business Research Center at Indiana University's Kelley School of Business.
Of course the map doesn't take into account the cost of living in these areas, but median household income is still a very interesting metric to look at.
It's interesting to see just how much variation there is across the United States, and it's surprising that the median household income is less than $32,000 in so many counties when it's higher than $56,000 in a significant number of others