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.
Recreating the District in video game form was no small task. Here's how the developers did it.