Background
National polling
From February 2020
From December 2019 to January 2020
June 2019 to November 2019
November 2018 to May 2019
Before November 2018
Against unnamed primary challenger
Statewide polling
The statewide polls are ordered by the scheduled date of the state's primary or caucus. Polls with a sample size of <100 have their 'sample size' cells marked in red to indicate a lack of reliability.Iowa caucus
The Iowa Republican caucus will take place on Monday, February 3, 2020.New Hampshire primary
The New Hampshire Republican primary will take place on Tuesday, February 11, 2020.Since July 2019
Before May 2019
;Against unnamed primary challengerNevada caucus
The Nevada caucus was cancelled by the Nevada Republican Party in a vote on September 7, 2019.South Carolina primary
The South Carolina primary was cancelled in a vote by the South Carolina Republican Party on September 7, 2019. ;Against unnamed primary challengerCalifornia primary
The California Republican primary will take place on Tuesday, March 3, 2020. ;Since June 2019 ;April 2019 to May 2019 ;Against unnamed primary challengerColorado primary
The Colorado Republican primary will take place on Tuesday, March 3, 2020. ;Against unnamed primary challengerMassachusetts primary
The Massachusetts Republican primary will take place on Tuesday, March 3, 2020.North Carolina primary
The North Carolina Republican primary will take place on Tuesday, March 3, 2020.Texas primary
The Texas Republican primary will take place on Tuesday, March 3, 2020.Utah primary
The Utah Republican primary took place in Tuesday, March 3, 2020. ;Against unnamed primary challengerVermont primary
The Vermont Republican primary took place on Tuesday, March 3, 2020.Wyoming caucuses
The last presidential cycle's Wyoming caucuses took place on March 1 in 2016 and would, if scheduled for Super Tuesday in 2020, take place on March 3, 2020. Instead, the Wyoming Republican state convention was scheduled for May 9, 2020.Michigan primary
The Michigan Republican primary took place on Tuesday, March 10, 2020.Illinois primary
The Illinois Republican primary took place on Tuesday, March 17, 2020.Ohio primary
The Ohio Republican primary will take place on Tuesday, March 10, 2020.Florida primary
The Florida Republican primary will take place on Tuesday, March 17, 2020. ;Against unnamed primary challengerWisconsin primary
The Wisconsin Republican primary will take place on Tuesday, April 7, 2020.Arizona primary
The Arizona 2016 Republican primary was held on March 22, 2016, but the 2020 primary was cancelled on September 9, 2019.Delaware primary
The Delaware Republican primary will take place on Tuesday, April 28, 2020.Maryland primary
The Maryland Republican primary will take place on Tuesday, April 28, 2020.Pennsylvania primary
The Pennsylvania Republican primary will take place on Tuesday, April 28, 2020.Montana primary
New Jersey primary
New Mexico primary
See also
*Notes
References
External links