Jumptonavigation Jumptosearch Forrelatedraces,see2020UnitedStateselections.2020UnitedStatesSenateelections← 2018November3,20202022 ..">
![]() | |||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||
Class 2 (33 of the 100) seats in the United States Senate (and 1 special election) 51 seats needed for a majority | |||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||||||||||||||||||||
![]() Seats up for election: Democratic incumbent Retiring Democrat Republican incumbent Retiring Republican No election | |||||||||||||||||||||||||||||||||||||||||
|
Elections to the United States Senate will be held on November 3, 2020, with the 33 Class 2 seats of the Senate being contested in regular elections. The winners will be elected to six-year terms extending from January 3, 2021, until January 3, 2027. Additionally, there will be a special election in Arizona to fill the vacancy created by the death of John McCain in 2018.
In 2014, the last regularly scheduled elections for Class 2 Senate seats, the Republicans won a net gain of nine seats from the Democrats and gained a majority in the Senate. Republicans defended that majority in 2016 and 2018, and held 53 Senate seats following the 2018 elections. Democrats held 45 seats after the 2018 elections, while independents caucusing with the Democratic Party held two seats.
Including the special election in Arizona, Republicans will be defending 22 seats in 2020, while the Democratic Party will be defending 12 seats. Because the Vice President of the United States has the power to break ties in the Senate, a Senate majority requires either 51 Senate seats without control of the vice presidency or 50 seats with control of the vice presidency. Thus, assuming that the two independents continue to caucus with the Senate Democratic Caucus, the Democrats will have to pick up at least three Senate seats to win a majority. If a Republican is elected as vice president in the 2020 election, then the Democratic Party will have to pick up at least four Senate seats to win a majority.
As of November 2018 (and including the 2020 special election in Arizona), Republicans are expected to defend 22 seats in 2020, while the Democratic Party is expected to defend only 12 seats. These figures could change if vacancies or party switches occur. Additional special elections may also be held in 2020 if vacancies should arise in Class 1 or Class 3 Senate seats.
Parties | Total | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Democratic | Independent | Republican | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Last election (2018) | 45 | 2 | 53 | 100 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Before this election | 45 | 2 | 53 | 100 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Not up | 33 | 2 | 31 | 66 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Class 1 (2018→2024) | 21 | 2 | 10 | 33 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Class 3 (2016→2022) | 12 | 0 | 21 | 33 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Up | 12 | 0 | 22 | 34 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Class 2 (2014→2020) | 12 | 0 | 21 | 33 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Special: Class 3 | 0 | 0 | 1 | 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
General elections | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Incumbent retiring | 0 | — | 2 | 2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Incumbent running | 8 | — | 10 | 18 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Intent undeclared | 4 | — | 10 | 14 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Each block represents one of the one hundred seats in the U.S. Senate. "D#" is a Democratic senator, "I#" is an Independent senator, and "R#" is a Republican senator. They are arranged so that the parties are separated and a majority is clear by crossing the middle.
Each block indicates an incumbent senator's actions going into the election.
D1 | D2 | D3 | D4 | D5 | D6 | D7 | D8 | D9 | D10 |
D20 | D19 | D18 | D17 | D16 | D15 | D14 | D13 | D12 | D11 |
D21 | D22 | D23 | D24 | D25 | D26 | D27 | D28 | D29 | D30 |
D40 Ill. Running |
D39 Minn. Running |
D38 N.M. Running |
D37 N.H. Running |
D36 Mass. Running |
D35 Del. Running |
D34 Ala. Running |
D33 | D32 | D31 |
D41 Mich. Undeclared |
D42 N.J. Undeclared |
D43 Ore. Undeclared |
D44 R.I. Undeclared |
D45 Va. Undeclared |
I1 | I2 | R53 Tenn. Retiring |
R52 Kan. Retiring |
R51 Wyo. Undeclared |
Majority → | |||||||||
R41 Ariz. Running |
R42 Colo. Running |
R43 Idaho Undeclared |
R44 La. Undeclared |
R45 Me. Undeclared |
R46 Miss. Undeclared |
R47 Mont. Undeclared |
R48 Okla. Undeclared |
R49 S.D. Undeclared |
R50 W.Va. Undeclared |
R40 Alaska Undeclared |
R39 Texas Running |
R38 S.C. Running |
R37 N.C. Running |
R36 Neb. Running |
R35 Ky. Running |
R34 Iowa Running |
R33 Ga. Running |
R32 Ark. Running |
R31 |
R21 | R22 | R23 | R24 | R25 | R26 | R27 | R28 | R29 | R30 |
R20 | R19 | R18 | R17 | R16 | R15 | R14 | R13 | R12 | R11 |
R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 |
D1 | D2 | D3 | D4 | D5 | D6 | D7 | D8 | D9 | D10 |
D20 | D19 | D18 | D17 | D16 | D15 | D14 | D13 | D12 | D11 |
D21 | D22 | D23 | D24 | D25 | D26 | D27 | D28 | D29 | D30 |
TBD | TBD | TBD | TBD | TBD | I2 | I1 | D33 | D32 | D31 |
TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD |
Majority → | |||||||||
TBD | |||||||||
TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD | |
TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD | R31 |
R30 | R29 | R28 | R27 | R26 | R25 | R24 | R23 | R22 | R21 |
R20 | R19 | R18 | R17 | R16 | R15 | R14 | R13 | R12 | R11 |
R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 |
Key: |
|
---|
Most election predictors use:
State | PVI[1] | Incumbent | Last Election[c] |
Cook Jan 4, 2019[2] |
IE Jan 4, 2019[3] |
Sabato Dec 13, 2018[4] |
---|---|---|---|---|---|---|
Alabama | R+14 | Doug Jones | 50.0% D (2017 Special) |
Lean D | Lean R (flip) | Tossup |
Alaska | R+9 | Dan Sullivan | 48.0% R | Safe R | Safe R | Safe R |
Arizona (Special) |
R+5 | Martha McSally | 47.6% R (2018) |
Lean R | Tossup | Tossup |
Arkansas | R+15 | Tom Cotton | 56.5% R | Safe R | Safe R | Safe R |
Colorado | D+1 | Cory Gardner | 48.2% R | Lean R | Tossup | Tossup |
Delaware | D+6 | Chris Coons | 55.8% D | Safe D | Safe D | Safe D |
Georgia | R+5 | David Perdue | 52.9% R | Likely R | Lean R | Lean R |
Idaho | R+19 | Jim Risch | 65.3% R | Safe R | Safe R | Safe R |
Illinois | D+7 | Dick Durbin | 53.5% D | Safe D | Safe D | Safe D |
Iowa | R+3 | Joni Ernst | 52.1% R | Safe R | Likely R | Lean R |
Kansas | R+13 | Pat Roberts (retiring) |
53.1% R | Likely R | Safe R | Safe R |
Kentucky | R+15 | Mitch McConnell | 56.2% R | Likely R | Safe R | Likely R |
Louisiana | R+11 | Bill Cassidy | 55.9% R | Safe R | Safe R | Safe R |
Maine | D+3 | Susan Collins | 68.5% R | Lean R | Tilt R | Lean R |
Massachusetts | D+12 | Ed Markey | 61.9% D | Safe D | Safe D | Safe D |
Michigan | D+1 | Gary Peters | 54.6% D | Safe D | Likely D | Lean D |
Minnesota | D+1 | Tina Smith | 53.0% D (2018 Special) |
Likely D | Likely D | Likely D |
Mississippi | R+9 | Cindy Hyde-Smith | 53.6% R (2018 Special) |
Likely R | Safe R | Safe R |
Montana | R+11 | Steve Daines | 57.9% R | Safe R | Safe R | Likely R |
Nebraska | R+14 | Ben Sasse | 64.5% R | Safe R | Safe R | Safe R |
New Hampshire | EVEN | Jeanne Shaheen | 51.5% D | Safe D | Likely D | Lean D |
New Jersey | D+7 | Cory Booker | 55.8% D | Safe D | Safe D | Safe D |
New Mexico | D+3 | Tom Udall | 55.6% D | Safe D | Safe D | Safe D |
North Carolina | R+3 | Thom Tillis | 48.8% R | Likely R | Tilt R | Lean R |
Oklahoma | R+20 | Jim Inhofe | 68.0% R | Safe R | Safe R | Safe R |
Oregon | D+5 | Jeff Merkley | 55.7% D | Safe D | Safe D | Safe D |
Rhode Island | D+10 | Jack Reed | 70.6% D | Safe D | Safe D | Safe D |
South Carolina | R+8 | Lindsey Graham | 55.3% R | Safe R | Safe R | Safe R |
South Dakota | R+14 | Mike Rounds | 50.4% R | Safe R | Safe R | Safe R |
Tennessee | R+14 | Lamar Alexander (retiring) |
61.9% R | Likely R | Safe R | Safe R |
Texas | R+8 | John Cornyn | 61.6% R | Safe R | Safe R | Likely R |
Virginia | D+1 | Mark Warner | 49.1% D | Safe D | Safe D | Likely D |
West Virginia | R+19 | Shelley Moore Capito | 62.1% R | Safe R | Safe R | Safe R |
Wyoming | R+25 | Mike Enzi | 72.2% R | Safe R | Safe R | Safe R |
In this special election, the winner will serve when they are elected and qualified.
State (linked to summaries below) |
Incumbent | Results | Candidates | ||
---|---|---|---|---|---|
Senator | Party | Electoral history | |||
Arizona (Class 3) |
Martha McSally | Republican | 2019 (Appointed) | Incumbent running. | Martha McSally (Republican) Mark Kelly (Democratic)[5] |
In these general elections, the winners will be elected for the term beginning January 3, 2021. All of the elections involve the Class 2 seats; ordered by state.
State (linked to summaries below) |
Incumbent | Results | Candidates | ||
---|---|---|---|---|---|
Senator | Party | Electoral history | |||
Alabama | Doug Jones | Democratic | 2017 (Special) | Incumbent running. | Doug Jones (Democratic)[6] |
Alaska | Dan Sullivan | Republican | 2014 | Incumbent's intent unknown. | TBD |
Arkansas | Tom Cotton | Republican | 2014 | Incumbent running. | Tom Cotton (Republican)[7] |
Colorado | Cory Gardner | Republican | 2014 | Incumbent running. | Cory Gardner (Republican)[8] Mike Johnston (Democratic)[9] Andrew Romanoff (Democratic)[10] Derrick Blanton (Democratic)[11] Lorena Garcia (Democratic)[12] Dustin Leitzel (Democratic)[13] Keith Pottratz (Democratic)[14] |
Delaware | Chris Coons | Democratic | 2010 (Special) 2014 |
Incumbent running. | Chris Coons (Democratic)[15] |
Georgia | David Perdue | Republican | 2014 | Incumbent running. | David Perdue (Republican)[16] |
Idaho | Jim Risch | Republican | 2008 2014 |
Incumbent's intent unknown. | TBD |
Illinois | Dick Durbin | Democratic | 1996 2002 2008 2014 |
Incumbent running. | Dick Durbin (Democratic)[17] Omeed Memar (Republican)[18] Anne Stava-Murray (Democratic)[19] |
Iowa | Joni Ernst | Republican | 2014 | Incumbent running. | Joni Ernst (Republican)[20] Paul Rieck (Republican)[21] |
Kansas | Pat Roberts | Republican | 1996 2002 2008 2014 |
Incumbent retiring. | Elliott Adams (Democratic)[22] Jacob LaTurner (Republican)[23] |
Kentucky | Mitch McConnell | Republican | 1984 1990 1996 2002 2008 2014 |
Incumbent running. | Steven Cox (Democratic)[24] Mitch McConnell (Republican)[25] |
Louisiana | Bill Cassidy | Republican | 2014 | Incumbent's intent unknown. | TBD |
Maine | Susan Collins | Republican | 1996 2002 2008 2014 |
Incumbent's intent unknown. | Michael Bunker (Democratic)[26] Max Linn (Republican)[27] Cathleen London (Democratic)[28] |
Massachusetts | Ed Markey | Democratic | 2013 (Special) 2014 |
Incumbent running. | Ed Markey (Democratic)[29] |
Michigan | Gary Peters | Democratic | 2014 | Incumbent's intent unknown. | TBD |
Minnesota | Tina Smith | Democratic | 2018 (Appointed) 2018 (Special) |
Incumbent running. | Tina Smith (Democratic)[30] |
Mississippi | Cindy Hyde-Smith | Republican | 2018 (Appointed) 2018 (Special) |
Incumbent's intent unknown. | TBD |
Montana | Steve Daines | Republican | 2014 | Incumbent's intent unknown. | TBD |
Nebraska | Ben Sasse | Republican | 2014 | Incumbent's intent unknown. | TBD |
New Hampshire | Jeanne Shaheen | Democratic | 2008 2014 |
Incumbent running. | Jeanne Shaheen (Democratic)[31] |
New Jersey | Cory Booker | Democratic | 2013 (Special) 2014 |
Incumbent's intent unknown. | TBD |
New Mexico | Tom Udall | Democratic | 2008 2014 |
Incumbent's intent unknown. | TBD |
North Carolina | Thom Tillis | Republican | 2014 | Incumbent running. | Thom Tillis (Republican)[20] Erica Smith (Democratic)[32] Trevor Fuller (Democratic)[33] |
Oklahoma | Jim Inhofe | Republican | 1994 (Special) 1996 2002 2008 2014 |
Incumbent's intent unknown. | TBD |
Oregon | Jeff Merkley | Democratic | 2008 2014 |
Incumbent's intent unknown. | TBD |
Rhode Island | Jack Reed | Democratic | 1996 2002 2008 2014 |
Incumbent's intent unknown. | TBD |
South Carolina | Lindsey Graham | Republican | 2002 2008 2014 |
Incumbent running. | Lindsey Graham (Republican)[34] Mark Sloan (Republican)[35] William Stone (Democratic)[36] |
South Dakota | Mike Rounds | Republican | 2014 | Incumbent's intent unknown. | TBD |
Tennessee | Lamar Alexander | Republican | 2002 2008 2014 |
Incumbent retiring. | TBD |
Texas | John Cornyn | Republican | 2002 2008 2014 |
Incumbent running. | John Cornyn (Republican)[37] Sema Hernandez (Democratic)[38] |
Virginia | Mark Warner | Democratic | 2008 2014 |
Incumbent's intent unknown. | TBD |
West Virginia | Shelley Moore Capito | Republican | 2014 | Incumbent's intent unknown. | TBD |
Wyoming | Mike Enzi | Republican | 1996 2002 2008 2014 |
Incumbent's intent unknown. | TBD |
Incumbent Democrat Doug Jones was elected in a special election in 2017, narrowly defeating controversial Republican candidate Roy Moore. Jones will be running for his first full term as a Senator. Potential Republican candidates include state Senator Del Marsh, and U.S. Representative Bradley Byrne.
One-term incumbent Republican Dan Sullivan was elected to a first term in 2014, defeating one-term incumbent Mark Begich.
Six-term Republican senator John McCain died on August 25, 2018.[39] Governor Doug Ducey was required by state law to appoint a new senator of the same party as McCain, and then the seat would be up for a special election in November 2020 and this will determine who serves the remainder of the term until January 3, 2023.[40] On September 4, Governor Ducey appointed former Arizona senator Jon Kyl to fill McCain's vacancy. Kyl only committed to serving until at least the end of the 115th United States Congress,[41] resigning at the end of 2018. Governor Ducey appointed outgoing Congresswoman Martha McSally to the seat for the 116th United States Congress.[42] McSally was the Republican nominee for Arizona's Class I Senate seat in 2018, but narrowly lost to Democrat Kyrsten Sinema.
Former Astronaut and Democrat Mark Kelly is running for the seat. Potential Democratic candidates include Congressman Ruben Gallego and Congressman Greg Stanton.[43]
One-term incumbent Republican Tom Cotton was elected to a first term in 2014, easily defeating two-term incumbent Mark Pryor.
One-term incumbent Republican Cory Gardner was elected to a first term in 2014, defeating one-term incumbent Mark Udall.
Former state senator Mike Johnston[9], former speaker of the Colorado House of Representatives Andrew Romanoff [10], community organizer Lorena Garcia,[44] Derrick Blanton, and pharmacist Dustin Leitzel are running for the Democratic nomination.[11][13] Potential Democratic candidates include biomedical scientist Trish Zornio,[45][46] Boulder County District Attorney Stan Garnett,[47] former Governor John Hickenlooper, Congressman Ed Perlmutter, and Crisanta Duran, the former speaker of the Colorado House of Representatives.[43][48]
One-term Democrat Chris Coons was re-elected in 2014; Coons first took office after winning a 2010 special election, which occurred after long-time Senator Joe Biden resigned his seat to become Vice President of the United States.
One-term incumbent Republican David Perdue was elected to a first term in 2014. He will be 70 on Election Day 2020.
Columbus Mayor Teresa Tomlinson is considering running for the Democratic nomination.[49] Other potential Democratic candidates include 2018 gubernatorial nominee Stacey Abrams,[50] State Representative Scott Holcomb, State Senator Jen Jordan, former Atlanta Mayor Kasim Reed and former Points of Light CEO and 2014 nominee Michelle Nunn.[51][52]
Two-term incumbent Republican Jim Risch was re-elected in 2014.
Four-term incumbent and Senate Minority Whip Dick Durbin, a Democrat, was re-elected in 2014. Durbin will be running for reelection and is the favorite to win his party's nomination. Potential Republican candidates include former Governor Bruce Rauner, U.S. Representatives Rodney Davis and Darin LaHood, and 2018 Republican nominee for state attorney general Erika Harold.
One-term incumbent Republican Joni Ernst was elected to a first term in 2014.
Potential Democratic candidates include State Auditor Rob Sand, Congresswomen Cindy Axne and Abby Finkenauer, and former Governors Tom Vilsack and Chet Culver.[53]
Four-term incumbent Republican Pat Roberts was re-elected in 2014, defeating independent candidate Greg Orman. Democrat Elliott Adams is running.[22] In January 2019, Roberts announced that he would not seek re-election. Potential candidates for the GOP nomination include U.S. Secretary of State Mike Pompeo,[54] former Kansas Secretary of State Kris Kobach, former Governor and Lieutenant Governor Jeff Colyer, state Senate President Susan Wagle, and incumbent Congressman Roger Marshall.
Six-term incumbent and Senate Majority Leader Republican Mitch McConnell was re-elected in 2014.
Steven Cox is running for the Democratic nomination.[24] Other potential Democratic candidates include state Attorney General Andy Beshear, 2018 congressional candidate Amy McGrath, and sports radio show host Matt Jones.[55]
One-term incumbent Bill Cassidy was first elected in 2014, defeating three-term incumbent Mary Landrieu.
Four-term incumbent Republican Susan Collins was re-elected in 2014.
Perennial candidate Max Linn is running for the Democratic nomination.[28] Other potential Democratic candidates include 2018 Senate candidate Zak Ringelstein, Speaker of the Maine House of Representatives Sara Gideon,[56] former United States Ambassador to the United Nations Susan Rice,[56] Congresswoman Chellie Pingree, Congressman Jared Golden, and 2018 gubernatorial candidate Betsy Sweet.[57]
One-term incumbent Democrat Ed Markey was re-elected in 2014; Markey first took office after winning a 2013 special election.
One-term incumbent Democrat Gary Peters was elected to a first term in 2014. 2018 Senate candidate John James is a potential GOP nominee.
Incumbent Democrat Tina Smith was appointed to replace Al Franken in 2018, and she won a special election later in 2018 to serve the remainder of Franken's term. Potential Republican candidates include former Congresswoman Michele Bachmann, 2018 lieutenant governor candidate Donna Bergstrom, and Senator Smith's opponent in the 2018 special election, state senator Karin Housley.
Seven-term incumbent Republican Thad Cochran resigned April 1, 2018 due to medical concerns. Governor Phil Bryant appointed Republican Cindy Hyde-Smith to hold office until January 3, 2019. A November 2018 special election determined Cochran's elected successor. No candidate garnered a majority of votes in the November 6, 2018 election; the top two candidates, Cindy Hyde-Smith and Democrat Mike Espy continued to a runoff on November 27, 2018. Cindy Hyde-Smith defeated Mike Espy and will serve the remainder of Cochran's term, which ends in January 2021.
One-term incumbent Republican Steve Daines was elected to a first term in 2014. Term-limited Governor Steve Bullock is a potential Democratic candidate.[58]
One-term incumbent Republican Ben Sasse was elected to a first term in 2014.
Two-term incumbent Democrat Jeanne Shaheen was re-elected in 2014. On January 27, 2019, Shaheen officially announced that she would run for her third term in 2020.[59]. Potential Republican challengers may include former U.S. Senator Kelly Ayotte[60] and U.S. Ambassador to New Zealand and Samoa Scott Brown.
One-term incumbent Democrat Cory Booker was re-elected in 2014; Booker first took office after winning a 2013 special election. Booker, who is running for President in 2020, could run for both President and re-election to the Senate as New Jersey election laws allow candidates to simultaneously run for two offices. Should Booker choose to forgo a Senate run in 2020, though, potential Democratic nominees include incumbent governor Phil Murphy and incumbent Congressmen Donald Norcross and Josh Gottheimer.
Two-term incumbent Democrat Tom Udall was re-elected in 2014.
One-term incumbent Republican Thom Tillis was elected to a first term in 2014, narrowly defeating one-term incumbent Kay Hagan. Tillis could also potentially run for Governor.[61][62]
State Senator Erica D. Smith[63], and Mecklenburg County Commissioner Trevor Fuller[64] are running for the Democratic nomination. Potential Democratic candidates include former United States Secretary of Transportation Anthony Foxx[65], state Senator Jeff Jackson[43], and attorney general Josh Stein[66].
Four-term incumbent Republican Jim Inhofe was re-elected in 2014. Former EPA Administrator Scott Pruitt may run for the seat if Inhofe retires.[67]
Two-term incumbent Democrat Jeff Merkley was re-elected in 2014. Merkley may run for president and not for re-election to his Senate seat.[68]
Four-term incumbent Democrat Jack Reed was re-elected in 2014.
Three-term incumbent Republican Lindsey Graham was re-elected in 2014.
One-term incumbent Republican Mike Rounds was elected to a first term in 2014 after serving two terms as Governor. Potential Democratic candidates may include state Senate Minority leader and 2018 gubernatorial candidate Billie Sutton.[69]
Three-term incumbent Republican Lamar Alexander was re-elected in 2014. He announced in December 2018 he will not seek re-election.[70] Former Republican governor Bill Haslam may run for the seat.[71][72]
Three-term incumbent Republican John Cornyn was re-elected in 2014. He is running for re-election.[37]
Potential Democratic candidates may include former Congressman Beto O'Rourke, who narrowly lost in the U.S. Senate election in 2018.[73][74][75]
Two-term incumbent Democrat Mark Warner was re-elected by a very narrow margin in 2014.
One-term incumbent Republican Shelley Moore Capito was elected to a first term in 2014. Potential Democratic candidates may include Richard Ojeda, a former State Senator and nominee for the U.S. House of Representatives in West Virginia's 3rd congressional district in 2018.
Four-term incumbent Republican Mike Enzi was re-elected in 2014. Republican Congresswoman Liz Cheney may run again for the seat if Enzi chooses to retire.[76]
|title=
(help)