State
(linked to
summaries below)
Incumbent Most recent election results 2018 intent Candidates
Senator Party Electoral
history
Arizona Jeff Flake Republican Jeff Flake (R) 49.2%
Richard Carmona (D) 46.1%
Marc Victor (L) 4.6%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
California Dianne Feinstein Democratic Dianne Feinstein (D) 62.5%
Elizabeth Emken (R) 37.5%
1992 (special)
1994
2000
2006
2012
Running[2] [Data unknown/missing. You can help!]
Connecticut Chris Murphy Democratic Chris Murphy (D) 54.8%
Linda McMahon (R) 43.1%
Paul Passarelli (L) 1.7%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Delaware Tom Carper Democratic Tom Carper (D) 66.4%
Kevin L. Wade (R) 29.0%
Alex Pires (I) 3.8%
2000
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Florida Bill Nelson Democratic Bill Nelson (D) 55.2%
Connie Mack IV (R) 42.2%
2000
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Hawaii Mazie Hirono Democratic Mazie Hirono (D) 62.6%
Linda Lingle (R) 37.4%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Indiana Joe Donnelly Democratic Joe Donnelly (D) 50.0%
Richard Mourdock (R) 44.2%
Andrew Horning (L) 5.7%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Maine Angus King Independent Angus King (I) 52.9%
Charles E. Summers, Jr. (R) 30.7%
Cynthia Dill (D) 13.3%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Maryland Ben Cardin Democratic Ben Cardin (D) 56.0%
Dan Bongino (R) 26.3%
S. Rob Sobhani (I) 16.4%
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Massachusetts Elizabeth Warren Democratic Elizabeth Warren (D) 53.7%
Scott Brown (R) 46.3%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Michigan Debbie Stabenow Democratic Debbie Stabenow (D) 58.8%
Pete Hoekstra (R) 38.0%
Scotty Boman (L) 1.8%
2000
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Minnesota Amy Klobuchar Democratic Amy Klobuchar (D) 65.2%
Kurt Bills (R) 30.5%
Stephen Williams (Independence) 2.6%
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Mississippi Roger Wicker Republican Roger Wicker (R) 57.2%
Albert N. Gore, Jr. (D) 40.6%
Thomas Cramer (C) 1.2%
Shawn O'Hara (Reform) 1%
2008 (special)
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Missouri Claire McCaskill Democratic Claire McCaskill (D) 54.8%
Todd Akin (R) 39.0%
Jonathan Dine (L) 6.1%
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Montana Jon Tester Democratic Jon Tester (D) 48.6%
Denny Rehberg (R) 44.9%
Dan Cox (L) 6.6%
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Nebraska Deb Fischer Republican Deb Fischer (R) 57.8%
Bob Kerrey (D) 42.2%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Nevada Dean Heller Republican Dean Heller (R) 45.9%
Shelley Berkley (D) 44.7%
David Lory VanderBeek (C) 4.9%
None of These Candidates 4.5%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
New Jersey Bob Menendez Democratic Bob Menendez (D) 58.9%
Joe Kyrillos (R) 39.4%
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
New Mexico Martin Heinrich Democratic Martin Heinrich (D) 51.0%
Heather Wilson (R) 45.3%
Jon Barrie (IAP) 3.6%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
New York Kirsten Gillibrand Democratic Kirsten Gillibrand (D) 71.6%
Wendy E. Long (R) 26.0%
2010 (special)
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
North Dakota Heidi Heitkamp Democratic Heidi Heitkamp (D) 50.2%
Rick Berg (R) 49.3%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Ohio Sherrod Brown Democratic Sherrod Brown (D) 50.7%
Josh Mandel (R) 44.7%
Scott A. Rupert (I) 4.6%
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Pennsylvania Bob Casey, Jr. Democratic Bob Casey, Jr. (D) 53.7%
Tom Smith (R) 44.6%
Rayburn Douglas Smith (L) 1.7%
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Rhode Island Sheldon Whitehouse Democratic Sheldon Whitehouse (D) 64.8%
Barry Hinckley (R) 35.0%
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Tennessee Bob Corker Republican Bob Corker (R) 64.9%
Mark E. Clayton (D) 30.4%
Martin Pleasant (G) 1.7%
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Texas Ted Cruz Republican Ted Cruz (R) 56.5%
Paul Sadler (D) 40.7%
John Jay Myers (L) 2.1%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Utah Orrin Hatch Republican Orrin Hatch (R) 65.3%
Scott Howell (D) 30.0%
Shaun McCausland (C) 3.2%
1976
1982
1988
1994
2000
2006
2012
Retiring[3] [Data unknown/missing. You can help!]
Vermont Bernie Sanders Independent Bernie Sanders (I) 71%
John MacGovern (R) 24.9%
Cris Ericson (Marijuana Party) 2%
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Virginia Tim Kaine Democratic Tim Kaine (D) 52.9%
George Allen (R) 47%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Washington Maria Cantwell Democratic Maria Cantwell (D) 60.5%
Michael Baumgartner (R) 39.5%
2000
2006
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
West Virginia Joe Manchin Democratic Joe Manchin (D) 60.6%
John Raese (R) 36.5%
Bob Henry Baber (G) 3.0%
2010
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Wisconsin Tammy Baldwin Democratic Tammy Baldwin (D) 51.4%
Tommy Thompson (R) 45.5%
Joseph Kexel (L) 2.1%
2012 [Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
Wyoming John Barrasso Republican John Barrasso (R) 75.7%
Tim Chestnut (D) 21.7%
Joel Otto (Wyoming Country) 2.6%
2008 (special)
2012
[Data unknown/missing. You can help!] [Data unknown/missing. You can help!]
State
(linked to
summaries below)
Incumbent Most recent election results 2018 intent Candidates
Senator Party Electoral
history