2024 United States Senate election in Massachusetts

Not to be confused with 2024 Massachusetts Senate election.

2024 United States Senate election in Massachusetts

←  2018 November 5, 2024 2030  →

Nominee Elizabeth Warren John Deaton Party Democratic Republican Popular vote 2,041,668 1,365,440 Percentage 59.81% 40.00%

County results Municipality results Precinct results Warren:     40–50%     50–60%     60–70%     70–80%     80–90%     90–100% Deaton:     40–50%     50–60%     60–70%      No votes

U.S. senator before election Elizabeth Warren Democratic Elected U.S. Senator Elizabeth Warren Democratic

The 2024 United States Senate election in Massachusetts took place on November 5, 2024. Democratic incumbent Senator Elizabeth Warren successfully ran for a third term, securing 59.8% of the vote. ^[1] Warren was challenged by Republican attorney John Deaton. Primary elections took place on September 3, 2024. ^[2]

This election marked the first time that Elizabeth Warren had lost Bristol County while running for the office. Warren underperformed Kamala Harris, who won the state by 25 points in the concurrent presidential election, as well as every county.

Democratic primary

Candidates

Nominee

• Elizabeth Warren, incumbent U.S. senator (2013–present) ^[3]

Declined

• Jake Auchincloss, U.S. representative for Massachusetts's 4th congressional district (2021–present) ^[4] (ran for re-election) ^[5]
• Seth Moulton, U.S. representative for Massachusetts's 6th congressional district (2015–present) ^[5] (ran for re-election) ^[5]
• Ayanna Pressley, U.S. representative for Massachusetts's 7th congressional district (2019–present) ^[6] (endorsed Warren, ran for re-election) ^{[7] [5]}
• Michelle Wu, mayor of Boston (2021–present) ^[6] (endorsed Warren) ^[7]

Endorsements

Elizabeth Warren

U.S. senators

• Ed Markey, Massachusetts (2013–present) ^[7]

U.S. representatives

• Gabby Giffords, AZ-08 (2007–2012) ^[8]
• Ayanna Pressley, MA-07 (2019–present) ^[7]

State officials

• Maura Healey, Governor of Massachusetts (2023–present) ^[9]

Local officials

• Michelle Wu, mayor of Boston (2021–present) ^[7]

Organizations

• EMILY's List ^[10]
• Feminist Majority PAC ^[11]
• Giffords ^[8]
• Harvard College Democrats ^[12]
• Humane Society Legislative Fund ^[13]
• J Street PAC ^[14]
• Joint Action Committee for Political Affairs ^[15]
• League of Conservation Voters ^[16]
• National Women's Political Caucus ^[17]
• Natural Resources Defense Council ^[18]
• Planned Parenthood Action Fund ^[19]
• Population Connection Action Fund ^[20]
• Progressive Change Campaign Committee ^[21]

Labor unions

• Association of Flight Attendants ^[22]
• United Farm Workers ^[23]

Political parties

• Working Families Party ^[24]

Fundraising

Campaign finance reports as of June 30, 2024
Candidate	Raised	Spent	Cash on hand
Elizabeth Warren (D)	$18,486,081	$24,658,143	$4,920,625
Source: Federal Election Commission [25]

Results

Democratic primary results ^[26]

Party		Candidate	Votes	%
	Democratic	Elizabeth Warren (incumbent)	562,709	98.58%
	Write-in		8,078	1.42%
Total votes			570,787	100.0%

Republican primary

Candidates

Nominee

• John Deaton, attorney ^[27]

Eliminated in primary

• Robert Antonellis, nutrition software company owner ^[28] and self-professed conspiracy theorist ^[29]
• Ian Cain, president of the Quincy City Council ^[30]

Declined

• Chris Doughty, manufacturing executive and candidate for governor in 2022 ^[31]

Endorsements

Ian Cain

Governors

• Jane Swift, former Governor of Massachusetts (2001–2003) ^[32]

Local Officials

• Thomas Koch, Mayor of Quincy (2008–present) ^[33]

John Deaton

Executive Branch officials

• Anthony Scaramucci, former White House Director of Communications (2017) ^[34]

Statewide officials

• Karyn Polito, former Lieutenant Governor of Massachusetts (2015–2023) ^[34]

Individuals

• Mark Cuban, entrepreneur (Independent) ^[35]

Organizations

• Massachusetts College Republicans ^[36]

Fundraising

Campaign finance reports as of June 30, 2024
Candidate	Raised	Spent	Cash on hand
Robert Antonellis (R)	$43,352 [a]	$37,250	$9,667
Ian Cain (R)	$361,115	$312,722	$48,393
John Deaton (R)	$1,690,411 [b]	$715,642	$974,769
Source: Federal Election Commission [25]

Polling

Poll source	Date(s) administered	Sample size [c]	Margin of error	Robert Antonellis	Ian Cain	John Deaton	Other	Undecided
YouGov [37] [A]	May 17–30, 2024	292 (A)	± 4.4%	19%	5%	15%	25% [d]	36%
Suffolk University [38] [B]	April 16–20, 2024	99(LV)	± 4.4%	4%	2%	4%	1% [e]	89%

Results

Results by municipality:

  Deaton—90–100%

  Deaton—80–90%

  Deaton—70–80%

  Deaton—60–70%

  Deaton—50–60%

  Antonellis—50–60%

  Antonellis—40–50%

  Cain—40–50%

  No Data/Vote

Republican primary results ^[26]

Party		Candidate	Votes	%
	Republican	John Deaton	136,773	64.51%
	Republican	Robert Antonellis	54,940	25.91%
	Republican	Ian Cain	19,374	9.14%
	Write-in		924	0.44%
Total votes			212,011	100.0%

Workers Party primary

Candidates

Withdrawn

• Brandon Griffin ^{[39] [40]}

Libertarian primary

Candidates

Declined

• Louis Marino, former Chelmsford town meeting representative ^[41]

General election

Predictions

Source	Ranking	As of
The Cook Political Report [42]	Solid D	November 9, 2023
Inside Elections [43]	Solid D	November 9, 2023
Sabato's Crystal Ball [44]	Safe D	November 9, 2023
Decision Desk HQ/The Hill [45]	Safe D	June 8, 2024
Elections Daily [46]	Safe D	May 4, 2023
CNalysis [47]	Solid D	November 21, 2023
RealClearPolitics [48]	Solid D	August 5, 2024
Split Ticket [49]	Safe D	October 23, 2024
538 [50]	Solid D	October 23, 2024

Post-primary endorsements

John Deaton (R)

Statewide officials

• Bill Weld, former Governor of Massachusetts (1991–1997) ^[51]

Notable Individuals

• Elon Musk, CEO of Tesla and SpaceX ^[52]
• Mark Cuban, entrepreneur, Dallas Mavericks owner, philanthropist (Independent) ^{[35] [53] [54]}
• Brad Garlinghouse, CEO of Ripple ^[55]
• Chris Larsen, co-founder of Ripple (Democrat) ^[56]

Newspapers

• Boston Herald ^[57]

Organizations

• Log Cabin Republicans ^[58]
• New England Police Benevolent Association nonprofit ^[59]

Polling

Aggregate polls

Source of poll aggregation	Dates administered	Dates updated	Elizabeth Warren (D)	John Deaton (R)	Undecided [f]	Margin
538 [60]	through November 2, 2024	November 3, 2024	57.0%	34.8%	8.2%	Warren +22.2%
RealClearPolitics [61]	September 12 - October 26, 2024	November 3, 2024	56.5%	34.3%	9.2%	Warren +22.2%
270toWin [62]	October 8 - November 3, 2024	November 3, 2024	57.5%	34.8%	7.7%	Warren +22.7%
TheHill/DDHQ [63]	through November 2, 2024	November 3, 2024	58.4%	36.1%	5.5%	Warren +22.3%
Average			57.4%	35.0%	7.6%	Warren+22.4%

Poll source	Date(s) administered	Sample size [c]	Margin of error	Elizabeth Warren (D)	John Deaton (R)	Other	Undecided
University of New Hampshire [64]	October 29 – November 2, 2024	744 (LV)	± 3.6%	60%	37%	–	3%
MassINC Polling Group [65]	October 29 – November 1, 2024	582 (LV)	± 4.9%	55%	33%	8% [g]	4%
ActiVote [66]	October 2–30, 2024	400 (LV)	± 4.9%	63%	37%	–	–
Emerson College [67] [C]	October 24–26, 2024	1,000 (LV)	± 3.0%	56%	36%	1% [h]	7%
UMass Amherst/YouGov/WCVB [68]	October 3–10, 2024	700 (A)	± 4.8%	56%	34%	3% [i]	7%
Suffolk University [69] [D]	October 2–6, 2024	500 (LV)	± 4.4%	59%	35%	–	6%
Opinion Diagnostics (R) [70] [E]	September 19–21, 2024	638 (LV)	–	53%	32%	–	15%
MassINC Polling Group [71] [F]	September 12–18, 2024	800 (LV)	± 4.1%	56%	35%	3% [j]	7%
University of New Hampshire [72]	September 12–16, 2024	564 (LV)	± 4.1%	58%	32%	7% [k]	3%
YouGov [73] [A]	May 17–30, 2023	700 (A)	± 4.4%	47%	24%	8% [l]	21%

Hypothetical polling

Elizabeth Warren vs. Robert Antonellis

Poll source	Date(s) administered	Sample size [c]	Margin of error	Elizabeth Warren (D)	Robert Antonellis (R)	Other/Undecided
YouGov [73] [A]	May 17–30, 2023	700 (A)	± 4.4%	50%	23%	27%

Elizabeth Warren vs. Charlie Baker

Poll source	Date(s) administered	Sample size [c]	Margin of error	Elizabeth Warren (D)	Charlie Baker (R)	Undecided
Fiscal Alliance Foundation [74]	May 6–7, 2023	750 (LV)	± 3.6%	34%	49%	17%

Elizabeth Warren vs. Ian Cain

Poll source	Date(s) administered	Sample size [c]	Margin of error	Elizabeth Warren (D)	Ian Cain (R)	Other/Undecided
YouGov [73] [A]	May 17–30, 2023	700 (A)	± 4.4%	48%	24%	28%

Elizabeth Warren vs. Jonathan Kraft

Poll source	Date(s) administered	Sample size [c]	Margin of error	Elizabeth Warren (D)	Johnathan Kraft (R)	Undecided
Suffolk University [75]	February 2–5, 2023	1000 (LV)	± 3.1%	56%	33%	11%

Elizabeth Warren vs. Aaron Packard

Poll source	Date(s) administered	Sample size [c]	Margin of error	Elizabeth Warren (D)	Aaron Packard (R)	Other/Undecided
YouGov [73] [A]	May 17–30, 2023	700 (A)	± 4.4%	48%	23%	29%

Elizabeth Warren vs. Karyn Polito

Poll source	Date(s) administered	Sample size [c]	Margin of error	Elizabeth Warren (D)	Karyn Polito (R)	Undecided
Fiscal Alliance Foundation [76]	July 21–22, 2023	750 (LV)	± 3.6%	41%	29%	30%

Results

2024 United States Senate election in Massachusetts ^[77]

Party		Candidate	Votes	%	±%
	Democratic	Elizabeth Warren (incumbent)	2,041,668	59.81%	−0.53
	Republican	John Deaton	1,365,440	40.00%	+3.83
	Write-in		6,221	0.18%	+0.08
Total votes			3,413,329	100.00%	N/A
	Democratic hold

Counties that flipped from Democratic to Republican

• Bristol (largest municipality: New Bedford)

Notes

1. $24,296 of this total was self-funded by Antonellis
2. $1,000,000 of this total was self-funded by Deaton
3. Key:
   A – all adults
   RV – registered voters
   LV – likely voters
   V – unclear
4. Aaron Packard with 9%; "Other" with 16%
5. Aaron Packard with 1%
6. Calculated by taking the difference of 100% and all other candidates combined.
7. "Another candidate" with 3%, "Would not vote for Senate" with 3%, "Prefer not to say" with 2%
8. "Someone else" with 1%
9. "Other" with 3%
10. "Another candidate" with 1%, "Wouldn't Vote" with 1%, "Prefer not to say" with 1%
11. "Another candidate" with 7%
12. "Would not vote" with 8%

Partisan clients

1. Poll commissioned by the University of Massachusetts Amherst and WCVB-TV
2. Poll commissioned by The Boston Globe
3. Poll sponsored by WHDH
4. Poll sponsored by The Boston Globe
5. Poll sponsored by Deaton's campaign
6. Poll sponsored by WBUR-FM and CommonWealth Beacon

References

1. "Massachusetts U.S. Senate Election Results". The New York Times. November 5, 2024. ISSN   0362-4331 . Retrieved November 15, 2024.
2. "2024 State Primary Election Dates". www.ncsl.org. Retrieved May 13, 2023.
3. Kamisar, Ben; Shabad, Rebecca; Vitali, Ali (January 20, 2023). "Democrats Kaine, Warren and Gillibrand are all running for re-election". NBC News . Retrieved February 22, 2023.
4. Kashinsky, Lisa (February 9, 2023). "Rumor has it". Politico .
5. Kashinsky, Lisa (April 26, 2023). "N.H. Dems sort of back Biden". POLITICO. Retrieved May 1, 2023.
6. Kashinsky, Lisa (October 14, 2022). "Pressley for president?". Politico. Retrieved October 14, 2022.
7. Quinn, Melissa (March 27, 2023). "POLITICS: Elizabeth Warren announces Senate reelection bid". CBS News . Retrieved March 30, 2023.
8. "GIFFORDS PAC Endorses Senator Elizabeth Warren for Reelection". Giffords. April 25, 2024. Retrieved May 6, 2024.
9. Kashinsky, Lisa (April 24, 2023). "Healey's early flexes". Politico . Retrieved April 26, 2023.
10. Chou, Lauren (April 26, 2023). "EMILYs List Endorses Elizabeth Warren for Reelection to the United States Senate". EMILYs List. Retrieved April 26, 2023.
11. "2024 – Feminist Majority PAC". feministmajoritypac.org. Retrieved February 9, 2024.
12. "Presenting the official Spring 2024 Harvard Dems Endorsement Results! Congratulations to all who were endorsed! 🫶🏻✨". www.instagram.com. Retrieved February 8, 2024.
13. "2024 Endorsements". 2024 Endorsements. Retrieved March 25, 2024.
14. "Elizabeth Warren". JStreetPAC. Retrieved August 26, 2023.
15. "Meet JAC's 2024 Candidates | Joint Action Committee for Political Affairs". jacpac.org. Archived from the original on September 1, 2023. Retrieved September 1, 2023.
16. "LCV Action Fund Announces First Round of Congressional Endorsements". League of Conservation Voters. Retrieved July 27, 2023.
17. "Endorsed Candidates". National Women's Political Caucus. Retrieved March 18, 2024.
18. Dison, Denis (September 20, 2023). "NRDC Action Fund Endorses 51 House, Senate Incumbents". NRDC Action Fund. Retrieved September 20, 2023.
19. "2024 Planned Parenthood Action Fund Endorsed Candidates". Planned Parenthood Action Fund . Retrieved November 6, 2023.
20. "2024 Endorsements". Population Connection Action Fund. Retrieved August 25, 2023.
21. @BoldProgressive (March 27, 2023). "BIG news for your Monday morning: @ewarren is formally running for re-election! The fight for big, structural change continues. Pitch in to become a founding donor to her re-election campaign". Twitter . Retrieved March 30, 2023.
22. "AFA Endorsed Candidates for 2024 Election". Association of Flight Attendants-CWA. Retrieved April 29, 2024.
23. "Endorsements". UFW. Retrieved February 6, 2024.
24. Working Families Party (@WorkingFamilies) (March 28, 2023). "We're endorsing @ewarren in her re-election for U.S. Senate. We've won some big things for working people. But we have a lot more to do, and Elizabeth has proven she's able to take the battle against right-wing Republicans and corporate Democrats — and for working people — on". Twitter . Retrieved March 30, 2023.
25. "2024 Election United States Senate - Massachusetts". fec.gov. Federal Election Commission . Retrieved August 11, 2023.
26. "2024 Primary - U.S. Senate". Secretary of the Commonwealth of Massachusetts.
27. Kashinsky, Lisa; Garrity, Kelly (February 20, 2024). "Crypto attorney launches Senate bid against Elizabeth Warren". Politico . Retrieved February 2, 2024.
28. Brissette, Kristen (July 2023). "Senator Warren to Face Senate Race Competition". Barnstable Broadside. Retrieved July 10, 2023.
29. Blandino, Peter. "John Deaton beats Ian Cain, Bob Antonellis in straw poll in lead-up to Senate primary". The Patriot Ledger. Retrieved November 15, 2024.
30. Kashinsky, Lisa (April 24, 2024). "Ian Cain launches senate bid against Warren". Politico.com . Retrieved April 24, 2024.
31. Kashinsky, Lisa; Gardner, Sophie; Garrity, Kelly (May 12, 2023). "Republicans search for a standard-bearer". POLITICO. Retrieved May 12, 2023.
32. Micek, John (June 30, 2024). "Debates and defeats. A rough week of lessons for Dems". MassLive . Retrieved July 4, 2024. Republican U.S. Senate candidate Ian Cain notched the backing of former Gov. Jane Swift last week
33. https://quincyquarry.com/quincy/2024/08/01/former-acting-governor-jane-swift-and-quincy-mayor-tom-koch-endorse-ian-cains-gop-senate-bid/#axzz8rcxGOdzQ
34. Micek, John (April 13, 2024). "Who is John Deaton, the long-shot Republican trying to unseat Mass. Sen. Elizabeth Warren?". MassLive . Retrieved July 4, 2024.
35. Kashinsky, Lisa; Goodman, Jasper; Garrity, Kelly (April 12, 2024). "Crypto executives put money behind longshot bid to oust Elizabeth Warren". Politico . Retrieved May 20, 2024. Deaton has also been endorsed by Mark Cuban, who has criticized the SEC's approach to crypto enforcement
36. Massachusetts College Republicans [@macollegegop] (April 20, 2024). "🚨🚨 ENDORSEMENT ALERT 🚨🚨: MACR is proud to endorse @DeatonforSenate in his U.S. Senate Race against Washington Establishment darling Elizabeth Warren. We will do everything to help him retire Elizabeth Warren in November! Read our endorsement of Mr. Deaton below. #mapoli" (Tweet). Retrieved April 30, 2024– via Twitter.
37. YouGov
38. Suffolk University
39. "Meet Elizabeth Warren's newest opponent for Senate, Socialist Brandon Griffin". The Republic . September 9, 2023.
40. "Brandon James Griffin For US Senate". Brandon James Griffin For US Senate. Retrieved September 21, 2024.
41. Evans, Jordan (September 18, 2023). "Two Massachusetts Libertarian Candidates Will Not Appear on the Ballot". Independent Political Report. Retrieved September 25, 2023.
42. "2024 Senate Race ratings". Cook Political Report. Retrieved January 25, 2023.
43. "Senate Ratings". Inside Elections. January 6, 2023. Retrieved January 10, 2023.
44. "2024 Senate". Sabato's Crystal Ball. January 24, 2023. Retrieved February 13, 2023.
45. "2024 Senate prediction map". elections2024.thehill.com/. The Hill. June 8, 2024. Retrieved June 8, 2024.
46. "Election Ratings". Elections Daily. August 1, 2023. Retrieved August 2, 2023.
47. "'24 Senate Forecast". CNalysis. Retrieved November 21, 2023.
48. "Battle for the Senate 2024". RealClearPolitics . Retrieved August 5, 2024.
49. "2024 Senate Forecast". Split Ticket. Retrieved October 23, 2024.
50. "2024 Election Forecast". FiveThirtyEight. Retrieved October 23, 2024.
51. Garrity, Kevin (September 26, 2024). "Republican realignment". Politico . Retrieved October 2, 2024. Former Republican Gov. Bill Weld is backing GOP Senate hopeful John Deaton
52. Terrett, Eleanor (October 21, 2024). "Elon Musk gives nod to John Deaton in Massachusetts Senate race against Elizabeth Warren". Fox Business . Archived from the original on October 24, 2024. Retrieved October 24, 2024. Tesla CEO and X owner, Elon Musk, who is currently worth a cool $195 billion, took to his own social media platform on Monday morning to show his support for Deaton
53. "John Deaton Endorsed by Major Business Leaders Elon Musk and Mark Cuban - John Deaton for US Senate". johndeatonforsenate.com. October 21, 2024. Retrieved October 24, 2024.
54. Odunayo, Solomon (October 23, 2024). "First Time Elon Musk and Mark Cuban Will Agree On Two Things Related to Ripple and XRP". Times Tabloid. Archived from the original on October 24, 2024. Retrieved October 24, 2024.
55. Everhart, Bill (July 31, 2024). "Do Republican Senate hopefuls signal new era for Mass. GOP?". The Berkshire Eagle. Retrieved October 24, 2024.
56. Terrett, Eleanor (October 21, 2024). "Elon Musk gives nod to John Deaton in Massachusetts Senate race against Elizabeth Warren". Fox Business . Archived from the original on October 24, 2024. Retrieved October 24, 2024. He's racked up bipartisan support from the likes of billionaire entrepreneurs like Mark Cuban, a Democrat, as well as Trump-supporting Cameron and Tyler Winklevoss, founders of the crypto exchange Gemini. He's also been endorsed by Ripple CEO Brad Garlinghouse, Ripple co-founder Chris Larsen (also a Democrat), and founder of the Cardano blockchain network, Charles Hoskinson.
57. Boston Herald editorial staff (October 23, 2024). "Editorial: John Deaton for U.S. Senate". Boston Herald . Archived from the original on October 24, 2024. Retrieved October 28, 2024. Elizabeth Warren has to go. We're sure Harvard University would welcome the liberal senator back into its out-of-touch cocoon.The GOP's John Deaton, a former military prosecutor, is a great replacement for her in Washington. He will not hide from the difficult issues this state must deal with today — especially the migrant crisis. That alone would bring some hope of stability back to Boston and beyond.
58. Log Cabin Republicans (October 24, 2024). "Log Cabin Republicans Proudly Endorses John Deaton For U.S. Senate, MA" . Retrieved October 28, 2024. Log Cabin Republicans is thrilled to endorse John Deaton based on his proven track record of speaking up for fellow Republicans who believe equality is a worthy and conservative cause for our party. With his leadership in the U.S. Senate, Republicans are poised to carry the torch on passing critical equality legislation in the next Congress. We wholeheartedly support his candidacy
59. https://johndeatonforsenate.com/john-deaton-endorsed-by-new-england-police-benevolent-association/
60. 538
61. RealClearPolitics
62. 270toWin
63. TheHill/DDHQ
64. University of New Hampshire
65. MassINC Polling Group
66. ActiVote
67. Emerson College
68. UMass Amherst/YouGov/WCVB
69. Suffolk University
70. Opinion Diagnostics (R)
71. MassINC Polling Group
72. University of New Hampshire
73. YouGov
74. Fiscal Alliance Foundation
75. Suffolk University
76. Fiscal Alliance Foundation
77. "2024 U.S. Senate General Election". Secretary of the Commonwealth of Massachusetts . November 5, 2024. Retrieved December 12, 2024.

External links

Official campaign websites

• John Deaton (R) for Senate
• Brandon James Griffin (WP) for Senate
• Elizabeth Warren (D) for Senate