The Green Papers: 2018 General Election
 
Copyright www.flags.net/UNST.htm 115th Congress
Senate Seats by State

This is a list of the current Senate seats and the incumbents occupying them. Not counting special elections, 33 Senate Seats are up for election on 6 November 2018.

There have been 1 death, 3 resignations, and 0 changes re: party breakdown in the 115th Senate.

  • Senator Jefferson Beauregard "Jeff" Sessions, III (Republican, Alabama Class 2) resigned on 8 February 2017 after being confirmed as Attorney General in the Trump administration by the U.S. Senate.
  • Senator Luther J. Strange, III (Republican, Alabama Class 2) was appointed on 9 February 2017 by Governor Robert J. Bentley (Republican).
  • Doug Jones (Democratic, Alabama Class 2) was elected in a Special Election on Tuesday 12 December 2017 and sworn on 3 January 2018.
  • Senator Al Franken (Democratic, Minnesota Class 2) resigned on 2 January 2018.
  • Senator Tina Smith (Democratic, Minnesota Class 2) was appointed by Governor Mark Dayton (Democratic) and sworn on 3 January 2018.
  • Senator Thad Cochran (Republican, Mississippi Class 2) resigned on 1 April 2018.
  • Senator Cindy Hyde-Smith (Republican, Mississippi Class 2) was appointed by Governor Governor Phil Bryant (Republican) and sworn on 9 April 2018.
  • Senator John Sidney McCain (Republican, Arizona Class 3) passed away on 25 August 2018 after a year-long battle with brain cancer.
  • Senator Jon Llewellyn Kyl (Republican, Arizona Class 3) was appointed on 4 September 2018 by Governor Doug Ducey (Republican) and sworn on 5 September 2018.
  • Senator Jon Llewellyn Kyl (Republican, Arizona Class 3) resigned on 31 December 2018.

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Legislative Links     Senate Electoral Classes

           

Alabama  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Democratic, 1 Republican

Class 2 Democratic Senator Doug Jones
First elected in a Special Election 12 December 2017 [re: resignation of Senator Jefferson Beauregard "Jeff" Sessions, III (Republican) who was confirmed as Attorney General in the Trump administration.]
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator Richard C. Shelby
First elected as a Democrat: 1986; re-elected: 1992; Changed Party affiliation to Republican: 9 November 1994; re-elected as a Republican: 1998, 2004, 2010, 2016.
[also served in the U.S. House- elected: 1978, 1980, 1982, 1984 as a Democrat]
Seat up for regular election: Tuesday 8 November 2022

Alaska  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator Dan Sullivan
First elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator Lisa Murkowski
Appointed by Governor Frank H. Murkowski (Republican) on 20 December 2002, to fill vacancy left by the resignation of her father, the same Frank H. Murkowski, when he resigned to become Governor of the State on 2 December 2002. First elected: 2004; relected: 2010 (as a write-in), 2016.
Seat up for regular election: Tuesday 8 November 2022

Arizona  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 1
Seat up for regular election
Open
Republican Senator Jeff Flake
First elected: 2012.
[also served in U.S. House- elected: 2000, 2002, 2004, 2008, 2010]
Seat up for regular election: Tuesday 6 November 2018
Open Seat - 24 October 2017: Will not seek re-election in 2018.
 ** Open Seat (no incumbent) **

Class 3 Republican Senator Martha E. McSally
Appointed: 31 December 2018 by Governor Doug Ducey (Republican) [re: resignation of appointed Senator Jon Llewellyn Kyl (Republican). Senator Kyl was appointed on 4 September 2018 to fill the seat of former Senator John Sidney McCain who passed on 25 August 2018]. Senator Martha E. McSally served in the U.S. House elected 2014 and 2016. Unsuccessful candidate for the U.S. Senate 2018.
Seat up for regular election: Tuesday 8 November 2022

Arkansas  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator Thomas B. "Tom" Cotton
First elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator John Nichols Boozman
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

California  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Dianne Feinstein
• Re-elected Tuesday 6 November 2018
First elected to finish out the term in a Special Election: 1992 [held to fill vacancy caused by the resignation of Senator Pete Wilson (Republican): 7 January 1991- which John Seymour (Republican) had been appointed by Governor Pete Wilson (Republican) to fill, 10 January 1991];
Elected to full term: 1994; re-elected 2000; 2006; 2012
Seat up for regular election: Tuesday 6 November 2018
on General Election ballot

Class 3 Democratic Senator Kamala D. Harris
First elected: 2016
Seat up for regular election: Tuesday 8 November 2022

Colorado  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Republican, 1 Democratic

Class 2 Republican Senator Cory Scott Gardner
First elected: 2014.
Also served in the U.S. House: 2011-2015.
Seat up for regular election: Tuesday 3 November 2020

Class 3 Democratic Senator Michael F. Bennet
Appointed to fill the vacancy caused by the resignation of Senator Ken Salazar on 21 January 2009 after entering upon his duties as Secretary of the Interior; appointed 21 January 2009 and sworn 22 January 2009. First elected: 2010, re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Connecticut  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Christopher Scott "Chris" Murphy
• Re-elected Tuesday 6 November 2018
First elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Democratic Senator Richard Blumenthal
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Delaware  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Thomas R. "Tom" Carper
• Re-elected Tuesday 6 November 2018
First elected: 2000; re-elected 2006, 2012
[also served in U.S. House- elected: 1982, 1984, 1986, 1988, 1990;
elected Governor: 1992; re-elected: 1996]
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Democratic Senator Christopher A. "Chris" Coons
First elected in a special election: 2010 (to fill the vacancy caused by the resignation of Senator Joe Biden [Democrat] in January 2009 in order to accede to the Vice-Presidency of the United States; he replaces Senator Edward E. "Ted" Kaufman [Democrat] who had been appointed by the Governor of DELAWARE to temporarily fill the vacancy.). Re-elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Florida  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Democratic, 1 Republican

Class 1
Seat up for regular election
Democratic Senator Bill Nelson
Served in U.S. House- elected: 1978, 1980, 1982, 1984, 1986, 1988. First elected to the U.S. Senate: 2000; re-elected 2006, 2012, 2016.
Seat up for regular election: Tuesday 6 November 2018
Renominated -
9 July 2015: Announced he has prostate cancer and will undergo surgery on 13 July.

Class 3 Republican Senator Marco Rubio
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Georgia  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator David Alfred Perdue
First elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator John Hardy "Johnny" Isakson
(also served in U.S. House- first elected in a special election [to fill the seat vacated by the resignation of Congressman Newt Gingrich]: 1999; re-elected: 2000, 2002.) First elected to the U.S. Senate: 2004; re-elected: 2010; 2016.
Seat up for regular election: Tuesday 8 November 2022

Hawaii  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Mazie K. Hirono
• Re-elected Tuesday 6 November 2018
First elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Democratic Senator Brian Emanuel Schatz
Appointed: 26 December 2012 (re 17 December 2012 death of Senator Daniel K. Inouye [Democratic]). First elected in a special election: 2014; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Idaho  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator James E. "Jim" Risch
First elected: 2008; re-elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator Michael D. "Mike" Crapo
First elected: 1998; re-elected: 2004, 2010, 2016.
[also served in U.S. House- elected: 1992, 1994, 1996]
Seat up for regular election: Tuesday 8 November 2022

Illinois  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 2 Democratic Senator Richard J. "Dick" Durbin
First elected: 1996; re-elected: 2002, 2008, 2014
[also served in U.S. House- elected: 1982, 1984, 1986, 1988, 1990, 1992, 1994]
Seat up for regular election: Tuesday 3 November 2020

Class 3 Democratic Senator L. Tammy Duckworth
First elected: 2016. Previously served in the U.S. Congress (2013-2017).
Seat up for regular election: Tuesday 8 November 2022

Indiana  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Democratic, 1 Republican

Class 1
Seat up for regular election
Democratic Senator Joseph Simon "Joe" Donnelly
First elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Republican Senator Todd Christopher Young
Served in the U.S. House: 2011-2017. First elected to the U.S. Senate: 2016.
Seat up for regular election: Tuesday 8 November 2022

Iowa  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator Joni K. Ernst
First elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator Charles E. "Chuck" Grassley
First elected: 1980; re-elected: 1986, 1992, 1998, 2004, 2010, 2016.
[also served in U.S. House- elected: 1974, 1976, 1978]
Seat up for regular election: Tuesday 8 November 2022

Kansas  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator Pat Roberts
First elected: 1996; re-elected: 2002, 2008, 2014
[also served in U.S. House- elected: 1980, 1982, 1984, 1986, 1988, 1990, 1992, 1994]
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator Jerry Moran
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Kentucky  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator Mitch McConnell
First elected: 1984; re-elected: 1990, 1996, 2002, 2008, 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator Rand Paul
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Louisiana  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator William M. "Bill" Cassidy
First elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator John Neely Kennedy
First elected to the office of state Treasurer as a Democrat: 1999; re-elected: 2003; switched affiliation to Republican 27 August 2007; re-elected: 2007, 2011, 2015. First elected to the U.S. Senate: 2016.
Seat up for regular election: Tuesday 8 November 2022

Maine  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Independent, 1 Republican

Class 1
Seat up for regular election
Independent Senator Angus Stanley King, Jr.
• Re-elected Tuesday 6 November 2018
First elected: 2012 as an Independent (announced that he will caucus with the Democrats 14 November 2012 and again on 5 November 2014)
Seat up for regular election: Tuesday 6 November 2018
22 June 2015: Senator Angus King announced the he has been diagnosed prostate cancer and does not expect it to interfere with this duties. He plans to run for re-election in 2018.

Class 2 Republican Senator Susan M. Collins
First elected: 1996; re-elected: 2002, 2008, 2014
Seat up for regular election: Tuesday 3 November 2020

Maryland  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Benjamin L. "Ben" Cardin
• Re-elected Tuesday 6 November 2018
First elected: 2006; re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Democratic Senator Christopher "Chris" Van Hollen, Jr.
Previously served in the U.S. Congress elected: 2002-2014. First elected to the U.S. Senate: 2016.
Seat up for regular election: Tuesday 8 November 2022

Massachusetts  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Elizabeth A. Warren
• Re-elected Tuesday 6 November 2018
First elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Democratic Senator Edward John "Ed" Markey
First elected in a Special Election: 25 June 2013 (re: resignation of Senator John Forbes Kerry (Democratic) to become Secretary of State); re-elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Michigan  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Debbie Stabenow
• Re-elected Tuesday 6 November 2018
First elected: 2000; re-elected 2006, 2012
[also served in U.S. House- elected: 1996, 1998]
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Democratic Senator Gary C. Peters
First elected: 2014.
Previously served in the U.S. House: 2009-2015.
Seat up for regular election: Tuesday 3 November 2020

Minnesota  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Amy J. Klobuchar
• Re-elected Tuesday 6 November 2018
First elected: 2006; re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Democratic Senator Tina Flint Smith
• Re-elected Tuesday 3 November 2020
Appointed: 13 December 2017 by Governor Mark Dayton (Democratic) re: resignation of Senator Al Franken (Democratic).
Seat up for regular election: Tuesday 3 November 2020

Class 2
Seat up for special election
Special Election
Democratic
Seat up for special election: Tuesday 6 November 2018
Special Election -
Next regular election: Tuesday 3 November 2020

Mississippi  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 1
Seat up for regular election
Republican Senator Roger F. Wicker
• Re-elected Tuesday 6 November 2018
Appointed 31 December 2007 to fill the vacancy caused by the 18 December 2007 resignation of Senator Trent Lott. First elected in a special election: 4 November 2008. Re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Republican Senator Cindy Hyde-Smith
• Re-elected Tuesday 3 November 2020
Appointed: 1 April 2018 [re: the resignation of Senator Thad Cochran (Republican)]. First elected in a Special Election: 27 November 2018.
Seat up for regular election: Tuesday 3 November 2020

Class 2
Seat up for special election
Special Election
Republican
Seat up for special election: Tuesday 27 November 2018
Special Election - Caused by the 1 April 2018 resignation of Senator Thad Cochran (Republican).
Since no candidate received a majority of the vote in the 6 November 2018 election, there will be a Tuesday 27 November 2018 non-partisan runoff between Senator Cindy Hyde-Smith (Republican) and former Congressman Alphonso Michael "Mike" Espy (Democratic).

Missouri  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Democratic, 1 Republican

Class 1
Seat up for regular election
Democratic Senator Claire C. McCaskill
First elected: 2006; re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Republican Senator Roy Blunt
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Montana  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Democratic, 1 Republican

Class 1
Seat up for regular election
Democratic Senator R. Jon "Jon" Tester
• Re-elected Tuesday 6 November 2018
First elected: 2006; re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Republican Senator Steven "Steve" Daines
First elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Nebraska  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 1
Seat up for regular election
Republican Senator Debra S. "Deb" Fischer
• Re-elected Tuesday 6 November 2018
First elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Republican Senator Benjamin E. "Ben" Sasse
First elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Nevada  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Republican, 1 Democratic

Class 1
Seat up for regular election
Republican Senator Dean Heller
First appointed: 3 May 2011 (re: resignation of Senator John Eric Ensign [Republican]); first elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Democratic Senator Catherine Marie Cortez Masto
First elected: 2016
Seat up for regular election: Tuesday 8 November 2022

New Hampshire  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 2 Democratic Senator Jeanne Shaheen
First elected: 2008; re-elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Democratic Senator Margaret Wood "Maggie" Hassan
First elected: 2016
Seat up for regular election: Tuesday 8 November 2022

New Jersey  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Robert "Bob" Menendez
• Re-elected Tuesday 6 November 2018
Appointed by Governor Jon S. Corzine to fill the vacancy caused by Corzine having resigned this seat 17 January 2006 upon taking the Oath of Office as Governor of the State; first elected: 2006; re-elected: 2012.
[Previously served in the U.S. House to which he was first elected in 1992: subsequently re-elected in 1994, 1996, 1998, 2000, 2002 and 2004]
Seat up for regular election: Tuesday 6 November 2018
Renominated -
6 March 2015: Facing potential Federal Corruption charges.
1 April 2015: Indicted by a Federal Grand Jury re: corruption charges.
16 November 2017: Mistrial declared after the jury deadlocks.

Class 2 Democratic Senator Cory A. Booker
First elected: 16 October 2013 in a Special Election re: passing of Senator Frank R. Lautenberg (Democratic). Re-elected: 2014
Seat up for regular election: Tuesday 3 November 2020

New Mexico  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Martin Trevor Heinrich
• Re-elected Tuesday 6 November 2018
First elected: 2012.
Previously served in the U.S. House elected 2008, re-elected 2010
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Democratic Senator Tom Udall
First elected: 2008; re-elected: 2014
Seat up for regular election: Tuesday 3 November 2020

New York  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Kirsten Elizabeth Gillibrand
• Re-elected Tuesday 6 November 2018
23 January 2009: Appointed by Governor David Paterson to fill the vacancy caused by the 21 January 2009 resignation of Senator Hillary Rodham Clinton in order to enter upon her duties as U.S. Secretary of State. Sworn 27 January 2009 to serve until a Special Election was held in November 2010 for the remainder of the term ending 3 January 2013. First elected in a special election: 2010; re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Democratic Senator Charles E. "Chuck" Schumer
First elected: 1998; re-elected: 2004, 2010, 2016.
Seat up for regular election: Tuesday 8 November 2022

North Carolina  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator Thomas Roland "Thom" Tillis
First elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator Richard Mauze Burr
Served in U.S. House- first elected: 1994; re-elected: 1996, 1998, 2000, 2002. First elected to the U.S. Senate: 2004; re-elected: 2010, 2016.
Seat up for regular election: Tuesday 8 November 2022

North Dakota  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Democratic, 1 Republican

Class 1
Seat up for regular election
Democratic Senator Heidi Heitkamp
First elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Republican Senator John Hoeven
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Ohio  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Democratic, 1 Republican

Class 1
Seat up for regular election
Democratic Senator Sherrod Brown
• Re-elected Tuesday 6 November 2018
First elected: 2006; re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Republican Senator Robert Jones "Rob" Portman
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Oklahoma  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator James M. "Jim" Inhofe
First elected to fill out the term in a Special Election: 1994 [held to fill the impending vacancy caused by the resignation of Senator David L. Boren (Democrat): effective, 15 November 1994 but announced before the 1994 Oklahoma state/local Primary in August 1994, allowing for this Special Election to take place; elected to a full term: 1996; re-elected 2002, 2008, 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator James Paul Lankford
First elected in a special election: 4 November 2014 re: resignation of Senator Tom Coburn (Republican); re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Oregon  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 2 Democratic Senator Jeffrey Alan "Jeff" Merkley
First elected: 2008; re-elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Democratic Senator Ronald Lee "Ron" Wyden
First elected to finish out the term in a Special Election: 30 January 1996 [held to fill vacancy caused by the resignation of Senator Robert Packwood (Republican): 1 October 1995 (Oregon state law does not permit the state's Governor to make temporary appointments to fill vacancies in the United States Senate)]; elected to a full term: 1998; re-elected: 2004, 2010, 2016.
Seat up for regular election: Tuesday 8 November 2022

Pennsylvania  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Democratic, 1 Republican

Class 1
Seat up for regular election
Democratic Senator Robert P. "Bob" Casey, Jr.
• Re-elected Tuesday 6 November 2018
First elected: 2006; re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Republican Senator Patrick Joseph "Pat" Toomey
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Rhode Island  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Sheldon Whitehouse, II
• Re-elected Tuesday 6 November 2018
First elected: 2006; re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Democratic Senator John F. "Jack" Reed
First elected: 1996; re-elected: 2002, 2008, 2014
Seat up for regular election: Tuesday 3 November 2020

South Carolina  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator Lindsey Olin Graham
First elected: 2002; re-elected: 2008, 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator Timothy E. "Tim" Scott
Served in U.S. House- first elected: 2010; re-elected: 2012. Appointed to the U.S. Senate: 2 January 2013 (re: resignation of Senator James W. "Jim" DeMint [Republican]); first elected in a special election: 4 November 2014; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

South Dakota  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 2 Republican Senator Marion Michael "Mike" Rounds
First elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Class 3 Republican Senator John R. Thune
Served in U.S. House- first elected: 1996; re-elected: 1998, 2000. Unsuccessful candidate for Senate 2002. First elected to the U.S. Senate: 2004; re-elected: 2010, 2016.
Seat up for regular election: Tuesday 8 November 2022

Tennessee  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 1
Seat up for regular election
Open
Republican Senator Robert P. "Bob" Corker, Jr.
First elected: 2006; re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Open Seat - 26 September 2017: "After much thought, consideration and family discussion ... I have decided that I will leave the United States Senate when my term expires ...."
 ** Open Seat (no incumbent) **

Class 2 Republican Senator Lamar Alexander
First elected: 2002; re-elected: 2008, 2014
Seat up for regular election: Tuesday 3 November 2020
Open Seat - 18 December 2018: "I will not be a candidate for re-election to the United States Senate in 2020."

Texas  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 1
Seat up for regular election
Republican Senator Rafael Edward "Ted" Cruz
• Re-elected Tuesday 6 November 2018
First elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Republican Senator John Cornyn
First elected: 2002; re-elected: 2008, 2014
Seat up for regular election: Tuesday 3 November 2020

Utah  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 1
Seat up for regular election
Open
Republican Senator Orrin G. Hatch
First elected: 1976; re-elected: 1982, 1988, 1994, 2000, 2006, 2012
Seat up for regular election: Tuesday 6 November 2018
Open Seat - 02 January 2018: "I've decided to retire at the end of this term...."
 ** Open Seat (no incumbent) **

Class 3 Republican Senator Mike Lee
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Vermont  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Independent, 1 Democratic

Class 1
Seat up for regular election
Independent Senator Bernard "Bernie" Sanders
• Re-elected Tuesday 6 November 2018
First elected: 2006 (ran as a Democrat in the primary and as an Independent in the General Election); re-elected as an Independent: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Democratic Senator Patrick J. Leahy
First elected: 1974; re-elected: 1980, 1986, 1992, 1998, 2004, 2010, 2016.
Seat up for regular election: Tuesday 8 November 2022

Virginia  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Timothy Michael "Tim" Kaine
• Re-elected Tuesday 6 November 2018
First elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated -
former DNC Chair.
Nominations-- Democrats will nominate by Primary. Republicans will nominate by Primary.

Class 2 Democratic Senator Mark Robert Warner
First elected: 2008; re-elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Washington  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Democratic

Class 1
Seat up for regular election
Democratic Senator Maria E. Cantwell
• Re-elected Tuesday 6 November 2018
First elected: 2000; re-elected: 2006, 2012
Seat up for regular election: Tuesday 6 November 2018
on General Election ballot

Class 3 Democratic Senator Patricia L. "Patty" Murray
First elected: 1992; re-elected: 1998, 2004, 2010, 2016.
Seat up for regular election: Tuesday 8 November 2022

West Virginia  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Democratic, 1 Republican

Class 1
Seat up for regular election
Democratic Senator Joseph "Joe" Manchin, III
• Re-elected Tuesday 6 November 2018
First elected in a special election to a partial term to fill the vacancy caused by the 28 June 2010 death of Senator Robert C. Byrd (Democratic): 2 November 2010. He replaces Senator Carte P. Goodwin (Democrat) who had been appointed by Governor Joe Manchin (Democratic) to temporarily fill the vacancy. Won the special election for the term ending in Jaunary 2013 and the the concurrent regular election for the term ending January 2019: 6 November 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Republican Senator Shelley Moore Capito
First elected: 2014
Seat up for regular election: Tuesday 3 November 2020

Wisconsin  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 1 Democratic, 1 Republican

Class 1
Seat up for regular election
Democratic Senator Tammy Baldwin
• Re-elected Tuesday 6 November 2018
First elected: 2012.
[Previously served in the U.S. House: First elected: 1998; re-elected: 2000, 2002, 2004, 2008, 2010]
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 3 Republican Senator Ronald Harold "Ron" Johnson
First elected: 2010; re-elected: 2016.
Seat up for regular election: Tuesday 8 November 2022

Wyoming  6-year term. No Term Limit. Senate Electoral Classes
Partisan Composition: 2 Republican

Class 1
Seat up for regular election
Republican Senator John A. Barrasso
• Re-elected Tuesday 6 November 2018
Appointed: 22 June 2007 by Governor Dave Freudenthal; first elected in a special election: 4 November 2008; re-elected: 2012
Seat up for regular election: Tuesday 6 November 2018
Renominated

Class 2 Republican Senator Michael B. "Mike" Enzi
First elected: 1996; re-elected: 2002, 2008, 2014
Seat up for regular election: Tuesday 3 November 2020

Political Parties    Parties appear in parenthesis and italics when a candidate receives the endorsement of a given Party and/or official sources indicate a candidate's association with a particular Party but only where the Party in question does not appear on the actual ballot as such.

Major Parties
  Democratic
  Democratic-Farmer Labor
  Democratic-Nonpartisan League
  Republican
Major Third Parties
  Constitution
  Green
  Libertarian
  Minnesota Green Party
  Reform
Other Third Parties
  Conservative
  Economic Growth
  For The People
  Independence
  Independent American
  Legal Marijuana Now
  Liberty Union
  Make It Simple
  Natural Law
  New Day NJ
  Socialist Workers Party
  The Old Republic
  U.S. Taxpayers
  Women's Equality
  Working Families
Independents
  Independent
  No Party Affiliation
  No Political Party
  None
  Nonpartisan
  Other
  Unaffiliated
Write-in/Scattered/otherwise not readily classifiable
  None of these candidates
  Not readily classifiable
  Scattering
  Write-in
 

Notes

Candidates for office appear on this page in italics where 'The Green Papers' does not yet have independent confirmation from a legal election authority that the person has been officially certified to appear on the ballot.


"FEC" indicates the Federal Election Commission (FEC) Campaign Finance Summary.

When available, we post each candidate's FEC identification number, the date of their most recently filed Report of Receipts and Disbursements, their "Tot" [Total Receipts (contributions received or what came in: FEC Form 3, Line 16, Column B)] and their "Dsb" [Total Disbursements (expenditures or what was spent: FEC Form 3, Line 23, Column B)]. A link is provided to the Federal Election Commission's Summary Report for those who might wish to explore the details.

If a candidate raises or spends $5,000 or less, he or she is not subject to FEC reporting requirements.


Senate Class

Class 1 seats begin their terms at noon on 3 January 2013 and end their terms on 3 January 2019. The next regular election for these seats is in 6 November 2018.
Class 2 seats begin their terms at noon on 3 January 2015 and end their terms on 3 January 2021. The next regular election for these seats is 3 November 2020.
Class 3 seats begin their terms at noon on 3 January 2017 and end their terms on 3 January 2023. The next regular election for these seats is 8 November 2022.

For more information on Senate Classes refer to UNITED STATES SENATE: Electoral "Classes".


Article I, Section 3, clause 2 of the Constitution of the United States reads as follows:

"Immediately after [the Senate of the United States] shall be assembled in Consequence of the first Election, they shall be divided as equally as may be into three classes. The Seats of the Senators of the first Class shall be vacated at the Expiration of the second Year, of the second Class at the Expiration of the fourth Year, and of the third Class at the Expiration of the sixth Year, so that one third may be chosen every second Year..."

Pursuant to this Constitutional provision, a three-Senator Committee was appointed by the Senate on 11 May 1789 to come up with a plan to carry out the requirements of that provision; this Committee reported to the Senate on 14 May 1789 a plan to divide the then 20 Senators (there were 10 of the 13 original States represented in the Senate at the time- each having 2 Senators: North Carolina and Rhode Island had yet to ratify the U.S. Constitution, while New York had so ratified but had failed to elect Senators as of that date) into the requisite three electoral Classes: under this plan, three groups of Senators (set up in such a way so as no State had its two Senators in the same group) were to be listed and the first Senator on each list (a list which was set up geographically north-to-south in the manner in which the Electoral Vote for President was counted before Congress at that time, so that two of the first Senators on these lists were from New Hampshire and the third was the first Senator in alphabetical order from Massachusetts) was to each blindly draw a piece of paper numbered either "1", "2" or "3" out of a box in the possession of the Secretary of the Senate. This plan being agreeable to the Senate and so approved, the drawing of lots in this manner was carried out the following day (15 May 1789)- such lot drawing ultimately determining that, to start with, Classes 1 and 2 were to have 7 Senators each and Class 3 was to have only 6 Senators.

When New York finally seated its two Senators during the ensuing Summer, there was another lot drawing (actually a double-lot drawing) on 28 July 1789 to determine the Classes for these seats: since one of the seats had to be Class 3 to make it equal in number to that of the other two Classes so far, the two New York Senators each blindly drew between two pieces of paper, one marked "3", the other which was blank- after this, there was a second lot drawing in which the New York Senator who had drawn the blank paper blindly drew again between two pieces of paper marked "1" and "2": he drew "1" so that New York would henceforth have Senators of electoral Classes 1 and 3.

When North Carolina seated its two Senators after ratifying the Constitution on 21 November 1789, there was yet another lot drawing (on 29 January 1790) in which North Carolina's two Senators each blindly drew between pieces of paper marked "2" and "3" (since there were now 12 States and, thus, 24 Senators: 24 being equally divisible by 3, there would now have to be 8 Senators in each of the three Classes to fulfill the Constitutional provision that, as nearly as was practicable, one third of the Senate be elected every second year).

After Rhode Island- the last of the 13 original States- finally ratified the Constitution on 29 May 1790 and subsequently seated its two Senators that Summer, there was yet one more lot drawing in the First Congress (on 25 June 1790) in which Rhode Island's two Senators blindly drew between pieces of paper marked "1", "2" and "3": one Senator drew "2", the other drew "1"- thereby determining electoral Classes 1 and 2 as those for the Senators from this State. When Vermont was admitted to the Union as the 14th state on 4 March 1791, there was again a double lot drawing as there had been for New York. From that day until this, whenever a new State has been admitted to the Union, these types of lot drawings (the type determined by the necessity of keeping the number of Senators in each electoral Class as close to one third as possible at the time of said lot drawing) between the new State's first Senators is held before the Senate to determine in just which of the three electoral Classes that State's Senate seats will be placed from then on.


 


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