Top 10 richest counties in U.S. - 7 in D.C. area
According to The Washington Post, seven counties in the D.C. area are in the top 10 richest in the nation. One boasts a median income of $119,000! Do you live in one of the richest counties?
#10 Montgomery County, MD
Nineteen federal agencies have made Montgomery County their home, including the National Institute of Health and the Food and Drug Administration. Its median household income in 2011 was $92,909.