2016 50-star-flag-big 2020
US Senate Elections, 2018
33 of the 100 seats, 51 seats needed for the majority
November 6, 2018
First party Second party
McConnell Schumer
Leader Mitch McConnell Chuck Schumer
Party Republican Democratic
Last election 51 49
Seats won 57 43
Seat change +6 -6
Majority Leader before election
Mitch McConnell
Resulting Majority Leader
Mitch McConnell



     Republican gain      Republican hold      Democratic gain      Democratic hold      Independent gain      Independent hold

Winning candidate in bold

State Incumbent Party Result Candidates
Arizona Jeff Flake Republican Incumbent lost re-election Gabrielle Giffords (Democratic)
California Dianne Feinstein Democratic Incumbent retired, Democratic hold Gavin Newsom (Democratic)
Kevin Faulconer (Republican)
Connecticut Chris Murphy Democratic Incumbent re-elected Themis Klarides (Republican)
Delaware Tom Carper Democratic Incumbent re-elected Greg Lavelle (Republican)
Florida Bill Nelson Democratic Incumbent lost re-election Marco Rubio (Republican)
Hawaii Mazie Hirono Democratic Incumbent re-elected Cam Cavasso (Republican)
Indiana Joe Donnelly Democratic Incumbent lost re-election Susan Brooks (Republican)
Maine Angus King Independent Incumbent re-elected Paul LePage (Republican)
Dawn Hill (Democratic)
Maryland Ben Cardin Democratic Incumbent re-elected Andy Harris (Republican)
Massachusetts Elizabeth Warren Democratic Incumbent re-elected Bruce Tarr (Republican)
Michigan Debbie Stabenow Democratic Incumbent re-elected Candace Miller (Republican)
Minnesota Amy Klobuchar Democratic Incumbent re-elected Erik Paulsen (Republican)
Mississippi Roger Wicker Republican Incumbent re-elected Jim Hood (Democratic)
Missouri Claire McCaskill Democratic Incumbent lost re-election Ann Wagner (Republican)
Montana Jon Tester Democratic Incumbent lost re-election Ryan Zinke (Republican)
Nebraska Deb Fischer Republican Incumbent re-elected Kim M. Robak (Democratic)
Nevada Dean Heller Republican Incumbent re-elected Dina Titus (Democratic)
New Jersey Bob Menendez Democratic Incumbent re-elected Thomas Kean Jr. (Republican)
New Mexico Martin Heinrich Democratic Incumbent re-elected Richard Berry (Republican)
New York Kirsten Gillibrand Democratic Incumbent re-elected Wendy Long (Republican)
North Dakota Heidi Heitkamp Democratic Incumbent lost re-election Kevin Cramer (Republican)
Ohio Sherrod Brown Democratic Incumbent lost re-election Steve Stivers (Republican)
Pennsylvania Bob Casey Jr. Democratic Incumbent re-elected Pat Meehan (Republican)
Rhode Island Sheldon Whitehouse Democratic Incumbent re-elected Donald Carcieri (Republican)
Tennessee Bob Corker Republican Incumbent re-elected Karl Dean (Democratic)
Texas Ted Cruz Republican Incumbent re-elected Wendy Davis (Democratic)
Utah Orrin Hatch Republican Incumbent retired, Republican hold Jason Chaffetz (Republican)
Jim Matheson (Democratic)
Vermont Bernie Sanders Democratic Incumbent re-elected John MacGovern (Republican)
Virginia Tim Kaine Democratic Incumbent re-elected Ken Cuccinelli (Republican)
Washington Maria Cantwell Democratic Incumbent re-elected Dave Reichert (Republican)
West Virginia Joe Manchin Democratic Incumbent re-elected David McKinley (Republican)
Wisconsin Tammy Baldwin Democratic Incumbent lost re-election Sean Duffy (Republican)
Wyoming John Barrasso Republican Incumbent re-elected Al Hamburg (Democratic)

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