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United States Senate Republican Party primaries, 2020

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2020 Republican Party primary elections
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Primaries by state

Elections to the U.S. Senate were held on November 3, 2020. A total of 33 of the 100 seats were up for regular election. This page provides an overview of U.S. Senate Republican Party primaries in 2020.

Those elected to the U.S. Senate in the 33 regular elections on November 3, 2020, began their six-year terms on January 3, 2021.

Special elections were also held to fill vacancies that occurred in the 116th Congress, including 2020 special U.S. Senate elections in Arizona for the seat that John McCain (R) won in 2016 and in Georgia for the seat that Johnny Isakson (R) won in 2016.

This page focuses on the U.S. Senate Republican primaries. For more in-depth information about the U.S. Senate Democratic primaries and general elections, see the following pages:

Partisan breakdown

Republicans gained two Senate seats in the 2018 general elections, bringing their majority up to 53. Democrats held 45 seats following the election, and independents who caucused with Democrats held two.

U.S. Senate Partisan Breakdown
Party As of November 5, 2018 After the 2018 Election
     Democratic Party 47 45
     Republican Party 51 53
     Independent 2 2
     Vacancies 0 0
Total 100 100


Republican primaries

Louisiana is included in the list below even though the state uses a majority-vote system in which all candidates regardless of partisan affiliation are listed on the same first-round ballot.

By date

2020 Republican primaries by date
Date State
March 3
March 10
March 17
May 12
May 19
June 2
June 9
June 23
June 30
July 7
July 14
August 4
August 6
August 11
August 18
September 1
September 8
September 15
November 3

By state

Alabama

Republican Party Republican primary candidates


Did not make the ballot:

Alaska

Republican Party Republican primary candidates


Did not make the ballot:

Arizona

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Arkansas

Republican Party Republican primary candidates

This primary was canceled and this candidate advanced:

Colorado

Republican Party Republican primary candidates


Did not make the ballot:

Delaware

Republican Party Republican primary candidates


Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Georgia

Republican Party Republican primary candidates


Did not make the ballot:

Idaho

Republican Party Republican primary candidates

Illinois

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Iowa

Republican Party Republican primary candidates


Did not make the ballot:

Kansas

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Kentucky

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Louisiana[1]

Primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Maine

Republican Party Republican primary candidates


Did not make the ballot:

Massachusetts

Republican Party Republican primary candidates


Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Michigan

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Minnesota

Republican Party Republican primary candidates


Did not make the ballot:

Mississippi

Republican Party Republican primary candidates

Montana

Republican Party Republican primary candidates


Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Nebraska

Republican Party Republican primary candidates

New Hampshire

Republican Party Republican primary candidates


Did not make the ballot:

New Jersey

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

New Mexico

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

North Carolina

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Oklahoma

Republican Party Republican primary candidates


Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Oregon

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Rhode Island

Republican Party Republican primary candidates

South Carolina

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

South Dakota

Republican Party Republican primary candidates

Tennessee

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Texas

Republican Party Republican primary candidates


Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Virginia

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

West Virginia

Republican Party Republican primary candidates


Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Wyoming

Republican Party Republican primary candidates


Did not make the ballot:
Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

Seats up for election

Twelve seats held by Democrats and 23 seats held by Republicans were up for election in 2020, including the Arizona special election and the Georgia special election. In 2014, the Republican Party picked up nine seats, resulting in their having more seats to defend in 2020. The map below shows what seats were up for election and the incumbent heading into the election in each race.

Presidential election data

  • Democrats were defending 2 seats in states won by Donald Trump (R) in the 2016 presidential election: Alabama (held by Doug Jones) and Michigan (held by Gary Peters). Trump won Alabama by 28 points and Michigan by less than 1 percentage point.
  • Republicans were defending 2 seats in states won by Hillary Clinton (D) in the 2016 presidential election: Colorado (held by Cory Gardner) and Maine (held by Susan Collins). Clinton won Colorado by 5 points and Maine by 3 points.

In 2018, Senate seats were up for election in 10 states with a Democratic incumbent that Trump won and one state with a Republican incumbent that Clinton won. Click here for more details.

Outside ratings

The following table compared U.S. Senate race ratings from The Cook Political Report, Sabato's Crystal Ball, and Inside Elections prior to the November 2020 elections.

Special elections

See also: Special elections to the 116th United States Congress (2019-2020)

Special elections to United States Senate are often required in the event of vacancies. This table lists special Senate elections from 2019 to 2020.

Results of special elections to the 116th Congress (Senate)
Race Election date Incumbent Winner Election MOV Previous election MOV 2016 Presidential election MOV
U.S. Senate in Arizona November 3, 2020 Republican Party Martha McSally[2] Democratic Party Mark Kelly D+3 D+2 R+4
U.S. Senate in Georgia January 5, 2021 (runoff) Republican Party Kelly Loeffler[3] Democratic Party Raphael Warnock D+2.1 R+14 R+5

See also

Footnotes

  1. 1.0 1.1 Louisiana is included here even though the state uses a majority-vote system in which all candidates regardless of partisan affiliation are listed on the same first-round ballot.
  2. In December 2018, McSally was appointed to fill the Senate seat previously held by John McCain (R), who passed away in August 2018. Jon Kyl (R) was first appointed to the seat and held it from September 2018 to December 2018. The 2020 special election decided who would serve out the rest of the six-year term McCain was elected to in 2016.
  3. Isakson announced his resignation effective December 31, 2019. The 2020 special election decided who would serve out the rest of the six-year term Isakson was elected to in 2016.