Median household income for the nation as a whole remained relatively unchanged between 2011 and 2012 and is still down in many areas compared to 2008. However, San Jose managed to take the crown away from Washington DC as the US's "richest" region based on 24/7 Wall St.'s analysis of 366 metro areas. You can see the top 5 cities below!
Source: 24/7 Wall St., Hat tip to Barclay Livker and Dan De La O for sending this in
Top 5 Richest Cities