Senate Elections 2018 | US Senate Elections | Massachusetts Races
2018 Massachusetts US Senate Election Results
Elizabeth Warren
Percent: 60.34%
Votes: 1,633,371
Geoff Diehl
Percent: 36.17%
Votes: 979,210
Race Summary
In the 2018 U.S. Senate election in Massachusetts, incumbent Democrat Elizabeth Warren was re-elected, defeating Republican state Representative Geoff Diehl with 60.34% of the vote to Diehl's 36.17%.
Full Results
Elizabeth Warren (DEM)
Percent: 60.34%
Votes: 1,633,371
Geoff Diehl (REP)
Percent: 36.17%
Votes: 979,210
Shiva Ayyadurai (IND)
Percent: 3.39%
Votes: 91,710
Write-In
Percent: 0.10%
Votes: 2,799
Total votes: 2,707,090
State Map
Results by County
Barnstable County
Elizabeth Warren (DEM)
Percent: 53.03%
Votes: 62,670
Geoff Diehl (REP)
Percent: 43.84%
Votes: 51,810
Shiva Ayyadurai (IND)
Percent: 3.07%
Votes: 3,628
Write-In
Percent: 0.05%
Votes: 63
Total votes: 118,171
Essex County
Elizabeth Warren (DEM)
Percent: 57.26%
Votes: 178,343
Geoff Diehl (REP)
Percent: 38.87%
Votes: 121,067
Shiva Ayyadurai (IND)
Percent: 3.78%
Votes: 11,767
Write-In
Percent: 0.09%
Votes: 266
Total votes: 311,443
Middlesex County
Elizabeth Warren (DEM)
Percent: 66.08%
Votes: 440,901
Geoff Diehl (REP)
Percent: 30.41%
Votes: 202,871
Shiva Ayyadurai (IND)
Percent: 3.39%
Votes: 22,642
Write-In
Percent: 0.12%
Votes: 769
Total votes: 667,183
Suffolk County
Elizabeth Warren (DEM)
Percent: 78.65%
Votes: 196,623
Geoff Diehl (REP)
Percent: 18.60%
Votes: 46,502
Shiva Ayyadurai (IND)
Percent: 2.53%
Votes: 6,325
Write-In
Percent: 0.22%
Votes: 560
Total votes: 250,010
Berkshire County
Elizabeth Warren (DEM)
Percent: 72.01%
Votes: 38,792
Geoff Diehl (REP)
Percent: 25.06%
Votes: 13,501
Shiva Ayyadurai (IND)
Percent: 2.86%
Votes: 1,543
Write-In
Percent: 0.06%
Votes: 31
Total votes: 53,867
Franklin County
Elizabeth Warren (DEM)
Percent: 69.48%
Votes: 22,912
Geoff Diehl (REP)
Percent: 26.66%
Votes: 8,790
Shiva Ayyadurai (IND)
Percent: 3.84%
Votes: 1,265
Write-In
Percent: 0.03%
Votes: 9
Total votes: 32,976
Nantucket County
Elizabeth Warren (DEM)
Percent: 64.01%
Votes: 2,662
Geoff Diehl (REP)
Percent: 32.48%
Votes: 1,351
Shiva Ayyadurai (IND)
Percent: 3.44%
Votes: 143
Write-In
Percent: 0.07%
Votes: 3
Total votes: 4,159
Worcester County
Elizabeth Warren (DEM)
Percent: 51.34%
Votes: 159,881
Geoff Diehl (REP)
Percent: 44.48%
Votes: 138,495
Shiva Ayyadurai (IND)
Percent: 4.10%
Votes: 12,772
Write-In
Percent: 0.08%
Votes: 239
Total votes: 311,387
Bristol County
Elizabeth Warren (DEM)
Percent: 52.17%
Votes: 98,921
Geoff Diehl (REP)
Percent: 44.26%
Votes: 83,919
Shiva Ayyadurai (IND)
Percent: 3.52%
Votes: 6,673
Write-In
Percent: 0.06%
Votes: 112
Total votes: 189,625
Hampden County
Elizabeth Warren (DEM)
Percent: 55.66%
Votes: 86,861
Geoff Diehl (REP)
Percent: 40.47%
Votes: 63,152
Shiva Ayyadurai (IND)
Percent: 3.77%
Votes: 5,886
Write-In
Percent: 0.11%
Votes: 165
Total votes: 156,064
Norfolk County
Elizabeth Warren (DEM)
Percent: 58.57%
Votes: 179,853
Geoff Diehl (REP)
Percent: 38.16%
Votes: 117,202
Shiva Ayyadurai (IND)
Percent: 3.13%
Votes: 9,624
Write-In
Percent: 0.14%
Votes: 416
Total votes: 307,095
Dukes County
Elizabeth Warren (DEM)
Percent: 73.13%
Votes: 7,414
Geoff Diehl (REP)
Percent: 23.06%
Votes: 2,338
Shiva Ayyadurai (IND)
Percent: 3.76%
Votes: 381
Write-In
Percent: 0.05%
Votes: 5
Total votes: 10,138
Hampshire County
Elizabeth Warren (DEM)
Percent: 70.57%
Votes: 49,943
Geoff Diehl (REP)
Percent: 25.74%
Votes: 18,217
Shiva Ayyadurai (IND)
Percent: 3.63%
Votes: 2,571
Write-In
Percent: 0.06%
Votes: 40
Total votes: 70,771
Plymouth County
Elizabeth Warren (DEM)
Percent: 47.99%
Votes: 107,595
Geoff Diehl (REP)
Percent: 49.06%
Votes: 109,995
Shiva Ayyadurai (IND)
Percent: 2.89%
Votes: 6,490
Write-In
Percent: 0.05%
Votes: 121
Total votes: 224,201