The 2012 United States House of Representatives elections were held on Tuesday, November 6, 2012. Elections were held for all 435 seats representing the 50 U.S. states and also for the delegates from the District of Columbia and five major U.S. territories. The winners of this election cycle served in the 113th United States Congress. This was the first congressional election using districts drawn-up based on the 2010 United States Census.