2020 United States Senate election in Massachusetts
The 2020 United States Senate election in Massachusetts will be held on November 3, 2020, to elect a member of the United States Senate to represent the Commonwealth of Massachusetts, concurrently with the 2020 U.S. presidential election, as well as elections to the United States Senate in other states, elections to the United States House of Representatives and various state and local elections.
In the September 1 primaries, U.S. Representative Joe Kennedy III is challenging incumbent Senator Ed Markey for the Democratic nomination; Shiva Ayyadurai and Kevin O'Connor are competing for the Republican nomination.Democratic primary
The state primary election will take place on September 1, 2020.Candidates
Declared
- Joe Kennedy III, incumbent U.S. Representative for Massachusetts's 4th congressional district
- Ed Markey, incumbent U.S. Senator
Withdrawn
- Washington Blask
- Shannon Liss-Riordan, labor attorney
- Steve Pemberton, chief human resources officer of Workhuman
- Allen Waters, perennial candidate
Declined
- Maura Healey, Massachusetts Attorney General
- Scott Lang, former mayor of New Bedford
- Juana Matias, former state representative and candidate for Massachusetts's 3rd congressional district in 2018
- Seth Moulton, former 2020 presidential candidate and incumbent U.S. Representative for Massachusetts's 6th congressional district
- Michelle Wu, Boston City Councillor
Endorsements
Polling
Debates
Republican primary
The state primary election will take place on September 1, 2020.Candidates
Declared
Green Party
Withdrew
- Andre "Maha Visnu" Gray
Independents
Declared
The general election will take place on November 3, 2020.Predictions
Polling
;with Charlie Baker
Poll source | Date administered | Sample size | Margin of error | Ed Markey | Charlie Baker | Undecided |
| August 23–25, 2019 | 1,008 | ± 3.1% | 44% | 45% | – |
Poll source | Date administered | Sample size | Margin of error | Shannon Liss-Riordan | Charlie Baker | Undecided |
| August 23–25, 2019 | 1,008 | ± 3.1% | 35% | 54% | – |
Poll source | Date administered | Sample size | Margin of error | Joe Kennedy III | Charlie Baker | Undecided |
| August 23–25, 2019 | 1,008 | ± 3.1% | 49% | 41% | – |
Poll source | Date administered | Sample size | Margin of error | Steve Pemberton | Charlie Baker | Undecided |
| August 23–25, 2019 | 1,008 | ± 3.1% | 31% | 56% | – |
Results