Democrats
48seatsRepublicans
51seats50 to tie (VP breaks tie)
2014 result
48,476,363 votes
39,954,732 votes
Just In
Source: Associated Press
By Adam Hooper, Nicky Forster, Alissa Scheller, Raphael Eidus, Kevin Mangubat, Troy Dunham, Marc Graff, Jesse Kipp, Alexander Sapountzis and Honorata Zaklicki