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?
#2 Fairfax County, VA
Fairfax County used to make up what is now Arlington and Loudoun counties and the cities of Alexandria and Falls Church. Its median household income in 2011 was $105,797.