Governor's Chairs, Senate and House Seats...
Open (incumbent not running for re-election)
No incumbent running
Uncontested (one candidate running)
Multiple incumbents running
| Incumbent | Party | Office | Reason for not seeking re-election |
| Arizona | |||
| Senator Jeff Flake | Republican | Senate Class 1 | Open Seat. 24 October 2017: Will not seek re-election in 2018. |
| Congressman Trent Franks | Republican | House CD 8 | Vacant Office. 7 December 2017: "This morning I notified House leadership that I will be leaving Congress as of January 31st, 2018." 8 December 2017: "... the best thing for our family now would be for me to tender my previous resignation effective today ...." |
| Congressman Kyrsten Sinema | Democratic | House CD 9 | Open Seat. 28 September 2017: Running for the Senate Class 1 Seat in 2018. |
| California | |||
| Governor Edmund G. "Jerry" Brown, Jr. | Democratic | Governor | Open Chair. Term Limit |
| Colorado | |||
| Governor John W. Hickenlooper | Democratic | Governor | Open Chair. Term Limit |
| Congressman Jared Polis | Democratic | House CD 2 | Open Seat. 11 June 2017: Candidate for Governor in 2018. |
| Connecticut | |||
| Governor Dannel P. "Dan" Malloy | Democratic | Governor | Open Chair. 13 April 2017: Will not run for re-election in 2018. |
| Florida | |||
| Governor Richard L. "Rick" Scott | Republican | Governor | Open Chair. Term Limit |
| Congressman Ileana Ros-Lehtinen | Republican | House CD 27 | Open Seat. 30 April 2017: Not running for re-election. |
| Georgia | |||
| Governor John Nathan "Nathan" Deal | Republican | Governor | Open Chair. Term Limit |
| Hawaii | |||
| Congressman Colleen Wakako Hanabusa | Democratic | House CD 1 | Open Seat. 1 September 2017: Running for Governor in 2018. |
| Idaho | |||
| Governor C.L. "Butch" Otter | Republican | Governor | Open Chair. 14 October 2014: "Won't run for a fourth term" in 2018. |
| Congressman Raúl Rafael Labrador | Republican | House CD 1 | Open Seat. 9 May 2017: Announced he is a candidate for Governor in 2018. |
| Illinois | |||
| Congressman Luis V. Gutierrez | Democratic | House CD 4 | Open Seat. 28 November 2017: "Will not be seeking re-election...." |
| Indiana | |||
| Congressman Theodore Edward "Todd" Rokita | Republican | House CD 4 | Open Seat. 9 August 2017: Candidate for the Senate Class 1 seat in 2018. |
| Congressman Allen Lucas "Luke" Messer | Republican | House CD 6 | Open Seat. 26 July 2017: Running for the Class 1 Senate Seat in 2018. |
| Kansas | |||
| Governor Samuel D. "Sam" Brownback | Republican | Governor | Open Chair. Term Limit. 27 July 2017: Nominated for Ambassador for Religious Freedom in the Trump Administration. |
| Congressman Lynn Jenkins | Republican | House CD 2 | Open Seat. 25 January 2017: "I will not be running for any office in 2018." |
| Maine | |||
| Governor Paul R. LePage | Republican | Governor | Open Chair. Term Limit |
| Maryland | |||
| Congressman John K. Delaney | Democratic | House CD 6 | Open Seat. 27 July 2017: Not running for re-election. |
| Massachusetts | |||
| Congressman Nicola S. "Niki" Tsongas | Democratic | House CD 3 | Open Seat. 9 August 2017: Not running for re-election. |
| Michigan | |||
| Governor Richard D. "Rick" Snyder | Republican | Governor | Open Chair. Term Limit |
| Congressman Sander Martin "Sandy" Levin | Democratic | House CD 9 | Open Seat. 2 December 2017: Announced retirement. |
| Congressman David A. "Dave" Trott | Republican | House CD 11 | Open Seat. 11 September 2017: House CD 11 Trott "I have decided not seek re-election in 2018". |
| Congressman John Conyers, Jr. | Democratic | House CD 13 | Vacant Office. 29 November 2017: Media reports state the congressman is retiring. 5 December 2017: Announced resignation effective immediately. 8 December 2017: Governor Richard D. "Rick" Snyder (Republican) called a Special Election to fill the vacant seat of Congressman John Conyers, Jr. (Democratic) who resigned on 5 December 2017. The office will be listed twice on the 7 August 2018 Primary and 8 November 2018 General Election ballots -- once to choose a candidate to fill the vacancy from November 2018 to January 2019 and the other to choose a candidate for the regular 2 year term beginning in January 2019. 27 December 2017: A lawsuit, Rhodes v Snyder, e.d., 2:17cv-14186, was filed to force the special election to be called before November 2018. |
| Minnesota | |||
| Governor Mark Dayton | Democratic | Governor | Open Chair. 21 November 2016: Retiring at the end of his term. |
| Congressman Timothy J. "Tim" Walz | Democratic | House CD 1 | Open Seat. 27 March 2017: Candidate for Governor |
| Mississippi | |||
| Governor Phil Bryant | Republican | Governor | Open Chair. Term Limit. At term limit. |
| Montana | |||
| Governor Steve Bullock | Democratic | Governor | Open Chair. Term Limit. At term limit |
| Nevada | |||
| Governor Brian E. Sandoval | Republican | Governor | Open Chair. Term Limit |
| Congressman Jacklyn S. "Jacky" Rosen | Democratic | House CD 3 | Open Seat. Running for the U.S. Senate Class 1 seat in 2018. |
| Congressman Ruben Jesus Kihuen | Democratic | House CD 4 | Open Seat. aka Ruben Jesus Kihuen Bernal |
| New Hampshire | |||
| Congressman Carol Shea-Porter | Democratic | House CD 1 | Open Seat. 5 October 2017: "... I am announcing my intention to leave the House of Representatives in January 2019, when my present term ends." |
| New Jersey | |||
| Governor Christopher J. "Chris" Christie | Republican | Governor | Open Chair. Term Limit. At term limit |
| Congressman Frank A. LoBiondo | Republican | House CD 2 | Open Seat. 7 November 2017: Will not seek re-election. |
| New Mexico | |||
| Governor Susana Martinez | Republican | Governor | Open Chair. Term Limit |
| Congressman Michelle Lujan Grisham | Democratic | House CD 1 | Open Seat. 13 December 2016: Announced run for Governor in 2016. |
| Congressman Stevan E. "Steve" Pearce | Republican | House CD 2 | Open Seat. 10 July 2017: Candidate for Governor in 2018. |
| Ohio | |||
| Governor John Richard Kasich | Republican | Governor | Open Chair. Term Limit |
| Congressman Patrick J. "Pat" Tiberi | Republican | House CD 12 | Open Seat. 19 October 2017: Announced resignation. "Today, it is with a humble and thankful heart that I announce I will not be seeking reelection. While I have not yet determined a final resignation date, I will be leaving Congress by January 31, 2018." |
| Congressman James B. "Jim" Renacci | Republican | House CD 16 | Open Seat. 20 March 2017: Running for Governor in 2018. |
| Oklahoma | |||
| Governor Mary C. Fallin | Republican | Governor | Open Chair. Term Limit |
| Congressman James Frederick "Jim" Bridenstine | Republican | House CD 1 | Open Seat. Not running for re-election in 2018. 1 September 2017: Congressman Jim Bridenstine was nominated by President Trump to be Administrator of the National Aeronautics and Space Administration. |
| Pennsylvania | |||
| Congressman William Franklin "Bill" Shuster | Republican | House CD 9 | Open Seat. 2 January 2018: Announced retirement |
| Congressman Louis J. "Lou" Barletta | Republican | House CD 11 | Open Seat. 28 August 2017: Running for the Class 1 Senate Seat in 2018. |
| Congressman Charles W. "Charlie" Dent | Republican | House CD 15 | Open Seat. 8 September 2017: Congressman Dent will not seek re-election. |
| Congressman Timothy "Tim" Murphy | Republican | House CD 18 | Vacant Office. 4 October 2017: Amid scandal stated "After discussions with my family and staff, I have come to the decision that I will not seek reelection to Congress at the end of my current term ...." 5 October 2017: Announced his resignation effective 21 October. 21 October 2017: Resigned. 23 October 2017: Governor Tom Wolf (Democratic) calls a Special Election on Tuesday 13 March 2018 to fill this vacant seat. There will be no primary. Party nominees are selected at a party convention by delegates. |
| South Dakota | |||
| Governor Dennis M. Daugaard | Republican | Governor | Open Chair. Term Limit |
| Congressman Kristi Lynn Noem | Republican | House At-Large | Open Seat. 14 November 2016: Candidate for Governor in 2018. |
| Tennessee | |||
| Senator Robert P. "Bob" Corker, Jr. | Republican | Senate Class 1 | 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 ...." |
| Governor William "Bill" Haslam | Republican | Governor | Open Chair. Term Limit |
| Congressman John J. Duncan, Jr. | Republican | House CD 2 | Open Seat. 31 July 2017: Announced that he would not seek re-election. |
| Congressman Diane Lynn Black | Republican | House CD 6 | Open Seat. 2 August 2017: Running for Governor in 2018. |
| Congressman Marsha Blackburn | Republican | House CD 7 | Open Seat. 4 October 2017: Running for the Class 1 Senate Seat in 2018. |
| Texas | |||
| Congressman Lloyd "Ted" Poe | Republican | House CD 2 | Open Seat. 7 November 2017: "I will continue this work every day until I retire at the end of this term...." |
| Congressman Samuel Robert "Sam" Johnson | Republican | House CD 3 | Open Seat. 6 January 2017: Announced he won't seek re-election. |
| Congressman Jeb Hensarling | Republican | House CD 5 | Open Seat. 31 October 2017: "Today I am announcing that I will not seek reelection to the U.S. Congress in 2018." |
| Congressman Joe Linus Barton | Republican | House CD 6 | Open Seat. 30 November 2017: "I am announcing today that I will not seek reelection in 2018...." |
| Congressman Robert "Beto" O'Rourke | Democratic | House CD 16 | Open Seat. 31 March 2017: Announced that he is running for the U.S. Senate Class I seat in 2018. |
| Congressman Lamar Seeligson Smith | Republican | House CD 21 | Open Seat. 2 November 2017: "For several reasons, this seems like a good time to pass on the privilege of representing the 21st District to someone else...." |
| Congressman Randolph Blake "Blake" Farenthold | Republican | House CD 27 | Open Seat. 14 December 2017: Media reports state Congressman Farenthold will not seek re-election. The Congressman made the decision after the filing closed and will be on the March 2018 primary ballot. The Republican Party has filed suit Civil Case No. 1:17-cv-01167 in Federal Court (Austin) to get his name removed from the ballot. The Democratic Party is also suing Civil Case No. 1:17-cv-01186 but apparently dropped their case after the court decided that Congressman Farenthold would not be on the ballot. |
| Congressman Raymond Eugene "Gene" Green | Democratic | House CD 29 | Open Seat. 13 November 2017: "I have decided to not seek reelection for Representative of Texas' 29th Congressional District. It has been an honor serving #TX29 since I was first elected in 1992." |
| Utah | |||
| Senator Orrin G. Hatch | Republican | Senate Class 1 | Open Seat. 02 January 2018: "I've decided to retire at the end of this term...." |
| Virginia | |||
| Governor Terry McAuliffe | Democratic | Governor | Open Chair. Term Limit |
| Congressman Robert William "Bob" Goodlatte | Republican | House CD 6 | Open Seat. 9 November 2017: "I cannot begin to express how blessed I am to have had the opportunity to serve. Now is the right time to step aside - I will not seek re-election." |
| Washington | |||
| Congressman Dave Reichert | Republican | House CD 8 | Open Seat. 6 September 2017: Not a candidate for re-election. |
| West Virginia | |||
| Congressman Evan H. Jenkins | Republican | House CD 3 | Open Seat. 8 May 2017: Running for the U.S. Senate Class 2 seat in 2018. |
| Wyoming | |||
| Governor Matt Mead | Republican | Governor | Open Chair. 7 February 2017: Will not run for re-election in 2018. |
| Tally | |||||
| Office | Reason for Open Chair or Seat | ||||
| Voluntary | Vacant | Term Limit | Total | ||
| Senator | Republican | 3 | 0 | 0 | 3 |
| Congressman | Republican | 27 | 2 | 0 | 29 |
| Democratic | 14 | 1 | 0 | 15 | |
| Governor | Democratic | 2 | 0 | 4 | 6 |
| Republican | 2 | 0 | 13 | 15 | |
| Totals | 48 | 3 | 17 | 68 | |
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. |
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