Bloomberg News reports:
Federal employees whose compensation averages more than $126,000 and the nation's greatest concentration of lawyers helped Washington edge out San Jose as the wealthiest U.S. metropolitan area, government data show.
The U.S. capital has swapped top spots with Silicon Valley, according to recent Census Bureau figures, with the typical household in the Washington metro area earning $84,523 last year. The national median income for 2010 was $50,046.
Earlier coverage of how Washington is booming at the expense of the rest of the country is here, here, here, here, and here.