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

Polling

Debates

Republican primary

The state primary election will take place on September 1, 2020.

Candidates

Declared

Green Party

Withdrew

Declared

The general election will take place on November 3, 2020.

Predictions

Polling

;with Charlie Baker
Poll sourceDate
administered
Sample
size
Margin
of error
Ed
Markey
Charlie
Baker
Undecided
August 23–25, 20191,008± 3.1%44%45%

Poll sourceDate
administered
Sample
size
Margin
of error
Shannon
Liss-Riordan
Charlie
Baker
Undecided
August 23–25, 20191,008± 3.1%35%54%

Poll sourceDate
administered
Sample
size
Margin
of error
Joe
Kennedy III
Charlie
Baker
Undecided
August 23–25, 20191,008± 3.1%49%41%

Poll sourceDate
administered
Sample
size
Margin
of error
Steve
Pemberton
Charlie
Baker
Undecided
August 23–25, 20191,008± 3.1%31%56%

Results