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‹ 2016 2018 U.S. Senate elections (BunnyEarsFan) 2020
US Senate Elections, 2018
34 of the 100 seats, 51 seats needed for the majority
November 6, 2018
First party Second party
Leader Chuck Schumer Mitch McConnell
Party Democratic Republican
Leader's seat New York Kentucky
Last election 47 + 2 (49) 51
Seats won 45 + 2 53
Seat change - 2 + 2
Majority Leader before election
Mitch McConnell
Republican
Resulting Majority Leader
Mitch McConnell
Democratic

The 2018 elections to the United States Senate were held on November 6, 2018 with 33 of the 100 seats in the Senate being contested in regular elections whose winners served six-year terms from January 3, 2019 until January 3, 2025. Democrats had 23 seats up for election, additionally 2 independents who caucus with the Democrats faced the end of their current term. Republicans had 8 seats up for election.

Republicans held the U.S. Senate 2018, 53-47.

Results[]

State[]

     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 retired, Democratic gain Kyrsten Sinema (Democratic)

Martha McSally (Republican)

California Dianne Feinstein Democratic Incumbent re-elected, Democratic hold Kevin DeLeon (Democratic)
Connecticut Chris Murphy Democratic Incumbent re-elected Matt Corey (Republican)
Delaware Tom Carper Democratic Incumbent re-elected

Rob Arlett (Republican)

Florida Bill Nelson Democratic Incumbent defeated, Republican gain Rick Scott (Republican)
Hawaii Mazie Hirono Democratic Incumbent re-elected

Ron Curtis (Republican)

Indiana Joe Donnelly Democratic Incumbent defeated, Republican gain Mike Braun (Republican)
Maine Angus King Independent Incumbent re-elected,

Independent hold

Eric Brakey (Republican)

Zak Ringelstein (Democrat)

Maryland Ben Cardin Democratic Incumbent re-elected

Tony Campbell(Republican)

Arvin Vohra (Libertarian)

Massachusetts Elizabeth Warren Democratic Incumbent re-elected Geoff Diehl (Republican)
Michigan Debbie Stabenow Democratic Incumbent re-elected, Democratic hold John James (Republican)
Minnesota Amy Klobuchar Democratic-Farmer-Labor Incumbent re-elected Jim Newberger (Republican)
Minnesota (speical) Tina Smith Democratic Incumbent relected to serve first full term, Democratic hold

Karin Housley (Republican)

Mississippi Roger Wicker Republican Incumbent re-elected David Baria (Democratic)
Mississippi (special) Cindy Hyde-Smith Republican Incumbent elected to first full term, Republican hold Mike Espy (Democratic)

Chris McDaniel (Republican)

Missouri Claire McCaskill Democratic Incumbent defeated, Republican gain Josh Hawley (Republican)
Montana Jon Tester Democratic Incumbent re-elected Matt Rosendale (Republican)

Steve Kelly (Green)

Nebraska Deb Fischer Republican Incumbent re-elected Jane Raybould (Democratic)
Nevada Dean Heller Republican Incumbent defeated, Democratic gain Jacky Rosen (Democratic)
New Jersey Bob Menendez Democratic Incumbent re-elected Bob Hugin (Republican)
New Mexico Martin Heinrich Democratic Incumbent re-elected

Mick Rich (Republican)

Gary Johnson (Libritarian)

New York Kirsten Gillibrand Democratic Incumbent re-elected Chele Farley (Republican)
North Dakota Heidi Heitkamp Democratic Incumbent defeated, Republican gain Kevin Cramer (Republican)
Ohio Sherrod Brown Democratic Incumbent re-elected, Democratic hold Jim Renacci (Republican)
Pennsylvania Bob Casey Jr. Democratic Incumbent re-elected Lou Barletta (Republican)
Rhode Island Sheldon Whitehouse Democratic Incumbent re-elected Bob Flanders (Republican)
Tennessee Bob Corker Republican Incumbent retired, Republican hold Phil Bredesen (Democratic)

Marsha Blackburn (Republican)

Texas Ted Cruz Republican Incumbent re-elected, Republican hold Beto O'Rourke (Democratic)
Utah Orrin Hatch Republican Incumbent retired, Republican hold Mitt Romney (Republican)

Jenny Wilson (Democratic)

Vermont Bernie Sanders Independent Incumbent re-elected, independent hold

Brooke Paige (Republican)

Virginia Tim Kaine Democratic Incumbent re-elected, Democratic hold Corey Stewart (Republican)
Washington Maria Cantwell Democratic Incumbent re-elected,

Democratic hold

Susan Hutchinson (Republican)
West Virginia Joe Manchin Democratic Incumbent re-elected. Pat Morrisey (Republican)

Don Blankenship (Write-in)

Wisconsin Tammy Baldwin Democratic Incumbent re-elected,

Democratic hold

Leah Vukmir (Republican)
Wyoming John Barrasso Republican Incumbent re-elected Gary Trauner (Democratic)