2018 United States Senate election in Massachusetts

The 2018 United States Senate election in Massachusetts took place on November 6, 2018. Incumbent Democratic U.S. Senator Elizabeth Warren ran for reelection to a second term. The candidate filing deadline was June 5, 2018, and the primary election was held on September 4, 2018.[1]

2018 United States Senate election in Massachusetts

November 6, 2018
Turnout	59.17%
Nominee Elizabeth Warren Geoff Diehl Party Democratic Republican Popular vote 1,633,371 979,210 Percentage 60.34% 36.17%
Municipality results
U.S. senator before election Elizabeth Warren Democratic Elected U.S. Senator Elizabeth Warren Democratic

Warren won reelection in a landslide, defeating her Republican opponent, Geoff Diehl.[2]

Democratic primary

Nominated

• Elizabeth Warren, incumbent U.S. Senator[3][4]

Results

United States Senate Democratic primary in Massachusetts results by county, 2018:

  Warren—≥90%

Democratic primary results[5]

Party		Candidate	Votes	%
	Democratic	Elizabeth Warren (incumbent)	590,835	98.08%
	Write-in		11,558	1.92%
Total votes			602,393	100.00%

Republican primary

Nominated

• Geoff Diehl, state representative[6]

Eliminated in primary

• Beth Lindstrom, former Undersecretary of the Massachusetts Office of Consumer Affairs and Business Regulation[7]
• John Kingston, attorney and founder and president of Better for America[8]

Eliminated at convention

• Darius Mitchell[9]
• Heidi Wellman[10]

Declined

• Gabriel Gomez, businessman, former Navy SEAL and nominee for the U.S. Senate in 2013[11]
• Rick Green, businessman (running for House of Representatives) [12][13]
• Curt Schilling, former Major League Baseball pitcher [14]
• Bill Weld, former governor, nominee for the U.S. Senate in 1996 and Libertarian nominee for Vice President of the United States in 2016 (endorsed Beth Lindstrom)[15]
• Daniel Winslow, former state representative and candidate for the U.S. Senate in 2013[16]

Endorsements

Beth Lindstrom

Governors

• William F. Weld, former Governor of Massachusetts, 1991-1997[17]

State legislators

• Richard J. Ross, state senator[18]
• Kimberly Ferguson, state representative[19]
• Paul Frost, state representative[20]
• Sheila Harrington, state representative[21]
• Bradford Hill, state representative[22]
• James Kelcourse, state representative[23]
• David Muradian, state representative[24]
• Elizabeth Poirier, state representative[25]
• Jay Barrows, state representative[26]
• Steven Howitt, state representative[27]
• Donald Wong, state representative[28]
• David Vieira, state representative[29]

Local officials

• Mark Hawke, Gardner Mayor[30]
• Anne Manning-Martin, Peabody City Councilor-at-Large[31]

Organizations

• Maggie's List[32]
• Value in Electing Women (VIEW) PAC[33]
• RightNOW Women PAC[34]
• New England Police Benevolent Association[35]

Newspapers

• The Boston Globe[36]
• The Lowell Sun[37]

John Kingston

State legislators

• Don Humason, state senator[38]
• Ryan Fattman, state senator[38]
• Vinny deMacedo, state senator[38]
• Donnie Berthiaume, state representative[38]
• Will Crocker, state representative[39]
• Joseph D. McKenna, state representative[38]

Local officials

• Stephanie K. Fattman, Worcester County Register of Probate[38]
• Lew Evangelidis, Worcester County Sheriff[38]
• Eddie Tedesco, Woburn City Councilor[40]
• Jim Kane, member of the Shrewsbury Board of Selectmen[41]

Individuals

• Jim Rappaport, former Chairman of the Massachusetts GOP[42]

Polling

Poll source	Date(s) administered	Sample size	Margin of error	Geoff Diehl	John Kingston	Beth Lindstrom	Other	Undecided
MassINC	June 22–25, 2018	399	± 4.9%	26%	12%	15%	5%	41%

Overall

Massachusetts United States Senate Republican primary results by municipality, 2018

Republican primary results[5]

Party		Candidate	Votes	%
	Republican	Geoff Diehl	144,043	55.15%
	Republican	John Kingston	69,636	26.66%
	Republican	Beth Lindstrom	46,693	17.88%
	Write-in		798	0.31%
Total votes			261,170	100.00%

By county

Massachusetts United States Senate Republican primary results by county, 2018:

  Diehl—70–80%

  Diehl—60–70%

  Diehl—50–60%

  Diehl—40–50%

  Kingston—40–50%

Results by county. Red represents counties won by Diehl. Teal represents counties won by Kingston.

County	Diehl %	Diehl votes	Kingston %	Kingston votes	Lindstrom %	Lindstrom votes
Barnstable	57.0%	10,761	24.2%	4,573	18.6%	3,513
Berkshire	47.9%	1,221	37.8%	965	13.8%	352
Bristol	61.8%	11,005	23.0%	4,095	15.0%	2,669
Dukes	55.2%	347	25.9%	163	18.9%	119
Essex	53.1%	17,716	28.3%	9,428	18.3%	6,104
Franklin	41.8%	938	42.3%	949	15.3%	343
Hampden	50.5%	7,491	34.0%	5,048	15.0%	2,225
Hampshire	45.7%	1,967	36.7%	1,579	16.9%	725
Middlesex	52.5%	29,084	26.8%	14,852	20.3%	11,218
Nantucket	50.1%	168	29.6%	99	20.3%	68
Norfolk	58.9%	18,749	22.0%	7,009	18.8%	5,992
Plymouth	70.1%	23,242	19.8%	6,549	10.0%	3,316
Suffolk	53.5%	4,792	27.6%	2,471	18.2%	1,628
Worcester	44.8%	16,562	32.1%	11,856	22.8%	8,421
Total	55.2%	144,043	26.7%	69,636	17.9%	46,693

Libertarian primary

Declined

• Bill Weld, former Republican Governor and nominee for Vice President of the United States in 2016[43][16]

Independents

Declared

• Shiva Ayyadurai, entrepreneur[44]
• Allen Waters[45]
• John Devine[46]

Declined

• Gabriel Gomez, businessman, former Navy SEAL and Republican nominee for the U.S. Senate in 2013[47]

General election

Endorsements

Elizabeth Warren (D)

State officials

• Eric Schneiderman, former Attorney General of New York[48]

Organizations

• Boston Globe[49]
• Council for a Livable World[50]
• Democracy for America[51]
• EMILY's List[52]
• End Citizens United[53]
• Feminist Majority Political Action Committee [54]
• JStreet[55]
• League of Conservation Voters [56]
• LegitAction[57]
• MoveOn.org[58]
• Natural Resources Defense Council Action Fund[59]
• Population Connection[60]
• Sierra Club[61]
• United Automobile Workers[62]

Geoff Diehl (R)

U.S. Executive Branch officials

• Mike Pence, 48th Vice President of the United States[63]
• Sean Spicer, former White House Press Secretary[64]

Governors

• Charlie Baker, Massachusetts[65]
• Paul LePage, Maine[66]

State legislators

• Nick Boldyga, state representative[67]
• Forrester Clark, former state representative[68]
• Leah Cole, former state representative[69]
• Robert Correia, former state representative (Democrat)[70]
• David DeCoste, state representative[71]
• Peter Durant, state representative[72]
• Marc Lombardo, state representative[73]
• Jim Lyons, state representative[74]
• Lenny Mirra, state representative[75]
• Shaunna O'Connell, state representative[76]

Local officials

• Caroline Colarusso, Stoneham Selectwoman[77]
• John Coutinho, Hopkinton Selectmen[78]
• Jim Cummings, Barnstable County Sheriff[79]
• Lewis Evangelidis, Worcester County Sheriff[80]
• Bob Hedlund, Weymouth Mayor[81]
• Tom Hodgson, Bristol County Sheriff[82]
• Michael Marchese, Everett City Councilor at Large[83]
• John McCaul, Taunton City Councilor[84]
• Joe McDonald, Plymouth County Sheriff[85]
• Monica Medeiros, Melrose Alderman[86]
• Ken Mitchel, Hanson Board of Selectman Chair[87]
• Jeff Postell, Taunton City Councilor[84]
• Claire Wright. Hopkinton Selectwoman[78]

Individuals

• Herman Cain, former Presidential candidate[88]
• Howie Carr, radio talk host[89]
• David Constantine, former Governor's Councilor[90]
• Larry Ellison, president of the Massachusetts Association of Minority Law Enforcement Officers[91]
• Steve Grogan, retired New England Patriots player[92]
• Matt Light, retired New England Patriots player
• Joe Malone, former state treasurer[93]
• Captain Dave Marciano of Wicked Tuna[94]
• Frank McNamara, former U.S. Attorney[95]
• Stephen Moore, writer and economist[96]
• Fred Smerlas, retired New England Patriots player[97]
• Jeff Kuhner, Radio Host

Organizations

• Massachusetts Republican Party, (MassGOP) Massachusetts branch of the United States Republican Party[98]
• Youth Conservatives of Massachusetts[99]
• Norfolk Sheriff's Office County Correctional Officers Association[92]
• Everett Police Superior Officers Local 95[100]
• Everett Police Patrolman's Local 94[100]
• Boston Police Patrolmen’s Association[101][102]
• National Rifle Association[103]
• Worcester's NEPBA Local 911[104]
• New England Police Benevolent Association[105]
• ICE Council Local 207[106]
• Association of County Employees (the Union of Plymouth County Corrections Officers)[107]
• New Bedford Police Union[108]
• The Association of Marshfield Police[108]
• Massachusetts Police Association[109]

Newspapers

• Boston Herald[110][111]

Shiva Ayyadurai (I)

Individuals

• Ben Garrison, American political cartoonist and artist[112]
• Owen Shroyer, American political activist and commentator, host on InfoWars[113]
• Curt Schilling, former MLB pitcher[114]

Newspapers

• The Lowell Sun[115]

Debates

• Complete video of debate, October 19, 2018
• Complete video of debate, October 21, 2018

Predictions

Source	Ranking	As of
The Cook Political Report[116]	Safe D	September 28, 2018
Inside Elections[117]	Safe D	September 29, 2017
Sabato's Crystal Ball[118]	Safe D	September 27, 2017
Fox News[119]	Likely D	July 9, 2018
CNN[120]	Safe D	July 12, 2018
RealClearPolitics[121]	Safe D	May 26, 2018

^Highest rating they assert

Polling

Poll source	Date(s) administered	Sample size	Margin of error	Elizabeth Warren (D)	Geoff Diehl (R)	Shiva Ayyadurai (I)	Other	Undecided
MassINC	October 25–28, 2018	502	± 4.4%	54%	32%	6%	3%	3%
Suffolk University	October 24–28, 2018	500	± 4.4%	56%	34%	4%	–	5%
Western New England University	October 10–27, 2018	402 LV	± 5.0%	57%	27%	7%	–	8%
		485 RV	± 4.0%	54%	27%	6%	–	12%
UMass Lowell	October 1–7, 2018	485 LV	± 5.6%	56%	31%	8%	3%	2%
		791 RV	± 4.4%	56%	28%	9%	4%	1%
MassINC	September 17–21, 2018	506	± 4.4%	56%	30%	5%	1%	6%
Suffolk University	September 13–17, 2018	500	± 4.4%	54%	24%	6%	–	16%
Suffolk University	June 8–12, 2018	500	± 4.4%	55%	33%	–	–	11%
MassINC	May 22–26, 2018	501	± 4.4%	54%	19%	8%	1%	15%
MassINC	March 16–18, 2018	504	± 4.4%	55%	20%	9%	1%	13%
MassINC	November 9–12, 2017	503	± 4.4%	58%	32%	–	3%	7%
MassINC	June 19–22, 2017	504	± 4.4%	60%	29%	–	1%	8%

Results

United States Senate election in Massachusetts general election results by county, 2018:

  Warren—70–80%

  Warren—60–70%

  Warren—50–60%

  Diehl—40–50%

United States Senate election in Massachusetts, 2018[122]

Party		Candidate	Votes	%	±%
	Democratic	Elizabeth Warren (incumbent)	1,633,371	60.34%	+6.60%
	Republican	Geoff Diehl	979,210	36.17%	-10.02%
	Independent	Shiva Ayyadurai	91,710	3.39%	N/A
	Write-in		2,799	0.10%	N/A
Total votes			2,707,090	100.00%	N/A
	Democratic hold

References

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35. Beth Lindstrom. "Today, I was formally endorsed by the New England Police Benevolent Association. The NEPBA represents close to 4,000 Law Enforcement Professionals in Massachusetts. #masen #mapoli". Twitter.
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59. "NRDC Action Fund announces first wave of 2018 Senate endorsements". www.nrdcactionfund.org. January 5, 2018.
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62. "Massachusetts– Official UAW Endorsements". uawendorsements.org. United Automobile Workers.
63. Mike Pence Endorses Elizabeth Warren’s Challenger Geoff Diehl
64. Stout, Matt (March 28, 2018). "Sean Spicer is coming to town — to raise money for a Warren opponent". Boston Globe.
65. Dumcius, Gintautas (September 8, 2018). "Massachusetts Gov. Charlie Baker says he backs GOP's November ticket, including Sen. Elizabeth Warren's opponent". masslive.com.
66. Young, Shannon (May 10, 2018). "Maine Gov. Paul LePage to campaign for US Senate candidate Geoff Diehl". masslive.com.
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77. Geoff Diehl. "Stoneham Selectwoman Caroline Colarusso endorses Geoff Diehl for U.S. Senate!". Facebook.
78. "POLITICAL NOTEBOOK: Housing issue gets spotlight at Dem forum". The Framingham Tab. August 26, 2018.
79. "Diehl Endorsed by Sheriff Cummings". CapeCod.com. July 25, 2018.
80. "EVANGELIDIS ENDORSES DIEHL". Diehl for Senate. September 27, 2018. Archived from the original on October 17, 2018. Retrieved October 29, 2018.
81. Geoff Diehl. "Thrilled to have the endorsement of Weymouth @MayorBobHedlund! Remember to vote Geoff Diehl for U.S. Senate on Tuesday, September 4. #TheRealDiehl #mapoli #masen #masen2018 #magop". Twitter.
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83. "Everett's Marchese Backs Diehl for U.S. Senate". Diehl for Senate. October 27, 2018.
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87. Geoff Diehl. "Thank you to #Hanson Board of Selectman Chair Ken Mitchell for your endorsement. Together we will put our communities and all of #MassachusettsFirst! #mapoli #masen #masen2018 #magop". Twitter.
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103. Geoff Diehl. "BREAKING: I am proud to have earned the endorsement of the @NRA – National Rifle Association of America ahead of our Tuesday Primary. I'll always stand with law-abiding gun owners to protect our #2A #mapoli #masen #masen2018 #magop". Twitter.
104. "Worcester police union backs Republican Geoff Diehl for U.S. Senate". Worcester Magazine. September 26, 2018.
105. "Law Enforcement Backing Diehl". Diehl for Senate. October 2, 2018. Archived from the original on October 17, 2018. Retrieved October 29, 2018.
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107. "Diehl Gets New Endorsement". CapeCod.com. October 11, 2018.
108. "New Bedford and Marshfield Police Back Diehl". CapeCod.com. October 25, 2018.
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110. "Editorial endorsement: Geoff Diehl a strong challenge for Liz Warren". Boston Herald. August 20, 2018.
111. "Editorial: Geoff Diehl for U.S. Senate". Boston Herald. October 23, 2018. Retrieved October 23, 2018.
112. "Fake Indian, Meet Real Indian". 3 December 2017.
113. "Dr Shiva Ayyadurai on the Hypocrisy of the Establishment Elites". YouTube. December 30, 2017. Retrieved December 30, 2017.
114. "Schilling Endorses 'My Choice' for Senate, and it Isn't Him". RollCall. 6 March 2017.
115. "New GOP option for Warren's seat breaks old mold". The Lowell Sun. April 7, 2017. Retrieved October 23, 2018.
116. "2018 Senate Race Ratings". The Cook Political Report. Retrieved October 11, 2017.
117. "2018 Senate Ratings". The Rothenberg Political Report. Retrieved October 11, 2017.
118. "2018 Crystal Ball Senate race ratings". Sabato's Crystal Ball. Retrieved October 11, 2017.
119. "2018 Senate Power Rankings". Retrieved July 10, 2018.
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121. "Battle for the Senate 2018". Retrieved July 15, 2018.
122. https://web.archive.org/web/20181129100559/https://www.sec.state.ma.us/ele/elepdf/2018_Return_of_Votes.pdf

External links

• Candidates at Vote Smart
• Candidates at Ballotpedia
• Campaign finance at FEC
• Campaign finance at Center for Responsive Politics

Official campaign websites

• Shiva Ayyadurai (I) for Senate
• Geoff Diehl (R) for Senate
• Elizabeth Warren (D) for Senate
• Allen Waters (I) for Senate