Loudoun County, Virginia has the highest median household income in the United States. Nine of the wealthiest areas in the country are in the D.C. metro area.
Fall Church City, Va., ranks No. 1 with a median household
income of $121,250.
Loudoun, Fairfax and Howard counties are at the top of this list. All of Southern Maryland is there, too.
The three-part series "The making of Marion Barry" looks at how the future mayor got his start in the civil rights movement, how he became a power player in the city and his enduring legacy.