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Popular Vote
Edward J. MarkeyDemocratic 2,357,809 66.15%
Kevin J. O'ConnorRepublican 1,177,765 33.04%
Shiva Ayyadurai- 21,134 0.59%
Write-ins- 7,428 0.21%
State Seal Map Key
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Voter Turnout Graph
Vote Pie Chart
  2020 Massachusetts County Map of General Election Results for Senator  
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Election Data and Statistics:
Election Tools
Data Sources:
  • Source for Popular Vote data: Massachusetts Secretary of the Commonwealth Elections Division. PD43+ Massachusetts Election Statistics 2020 U.S. Senate General Election, Massachusetts Secretary of the Commonwealth Elections Division ( (accessed 10 Dec 2020)
  • Source for Population data: U.S. Census Bureau.
Results for and Individual County:
The 2020 Campaign:


Barnstable County Berkshire County Bristol County Dukes County Essex County Franklin County Hampden County Hampshire County Middlesex County Nantucket County Norfolk County Plymouth County Suffolk County Worcester County