2024 United States Senate election in Maine

2024 United States Senate election in Maine
Reporting	98.7%as of Nov. 15, 5:10 PM EST
	; King: 40–50% 50–60% 60–70%; Kouzonunas: 40–50%

The 2024 United States Senate election in Maine was held on November 5, 2024, to elect a member of the U.S. Senate to represent the state of Maine. Independent incumbent Angus King, who caucuses with the Democratic Party, is seeking a third term. He is being challenged by Republican former state party chair Demitroula Kouzounas, Democratic state official David Costello, and independent attorney Jason Cherry. Primary elections took place on June 11, 2024.^[1]

This election will coincide with five referendum questions, including a referendum to change the state flag, as well as the presidential election, U.S. House elections for the state's two congressional districts, and various other state, county and local elections.

Independents

Candidates

Declared

Jason Cherry, attorney and former FBI agent^[2]
Angus King, incumbent U.S. senator^[3]

Endorsements

Angus King

U.S. Senators

Joe Manchin, U.S. senator from West Virginia (2010–present) (Independent; Democratic until 2024)^[4]

Labor unions

AFL-CIO^[5]

Organizations

Fundraising

Campaign finance reports as of July 24, 2024
Candidate	Raised	Spent	Cash on hand
Angus King (I)	$4,802,784	$2,069,527	$3,118,927
Jason Cherry (I)	$110,000	$95,478	$6,011
Source: Federal Election Commission^[14]

Republican primary

Candidates

Nominee

Demitroula "Demi" Kouzounas, former chair of the Maine Republican Party^[15]

Fundraising

Campaign finance reports as of May 22, 2024
Candidate	Raised	Spent	Cash on hand
Demi Kouzounas (R)	$300,712^[a]	$55,731	$244,980
Source: Federal Election Commission^[14]

Results

Republican primary results^[16]
Party		Candidate	Votes	%
	Republican	Demi Kouzounas	58,832	100.0%
Total votes			58,832	100.0%

Democratic primary

Candidates

Nominee

David Costello, consultant and former deputy secretary of the Maryland Department of the Environment^[17]

Fundraising

Campaign finance reports as of May 22, 2024
Candidate	Raised	Spent	Cash on hand
David Costello (D)	$72,408^[b]	$13,302	$59,424
Source: Federal Election Commission^[14]

Results

Democratic primary results^[16]
Party		Candidate	Votes	%
	Democratic	David Costello	54,537	100.0%
Total votes			54,537	100.0%

General election

Predictions

Source	Ranking	As of
The Cook Political Report^[18]	Solid I	November 9, 2023
Inside Elections^[19]	Solid I	November 9, 2023
Sabato's Crystal Ball^[20]	Safe I	September 5, 2024
Decision Desk HQ/The Hill^[21]	Safe I	October 11, 2024
Elections Daily^[22]	Safe I	May 4, 2023
CNalysis^[23]	Solid I	November 21, 2023
RealClearPolitics^[24]	Solid I	August 5, 2024
Split Ticket^[25]	Safe I	October 23, 2024
538^[26]	Likely I	October 23, 2024

Fundraising

Campaign finance reports as of September 30, 2024
Candidate	Raised	Spent	Cash on hand
Angus King (I)	$4,802,784	$2,069,527	$3,118,927
Demi Kouzounas (R)	$503,998^[c]	$170,805	$333,192
David Costello (D)	$109,637^[d]	$24,063	$85,894
Jason Cherry (I)	$110,000^[e]	$95,478	$6,011
Source: Federal Election Commission^[14]

Polling

Poll source	Date(s) administered	Sample size^[f]	Margin of error	Angus King (I)	Demi Kouzounas (R)	David Costello (D)	Other	Undecided
University of New Hampshire	October 29 - November 2, 2024	1,485 (LV)	± 2.4%	50%	35%	7%	1%^[g]	6%
SurveyUSA^[A]	October 24–29, 2024	1,079 (LV)	± 3.6%	54%	28%	8%	3%^[h]	8%
Pan Atlantic Research	September 5–15, 2024	812 (LV)	± 3.5%	53%	23%	8%	1%^[i]	16%
University of New Hampshire	August 15–19, 2024	951 (LV)	± 3.2%	43%	33%	9%	4%^[j]	12%
Digital Research	April 8–30, 2024	609 (RV)	± 4.0%	57%	28%	12%	–	3%

Results

2024 United States Senate election in Maine^[27]
Party		Candidate	Votes	%
	Independent	Angus King (incumbent)	423,369	51.79%
	Republican	Demi Kouzounas	282,867	34.60%
	Democratic	David Costello	85,566	10.57%
	Independent	Jason Cherry	20,159	2.47%
	Write-in		5,567	0.68%
Total votes			817,528	100.0%
	Independent hold

Notes

^ $154,001 of this total was self-funded by Kouzounas
^ $50,000 of this total was self-funded by Costello
^ $314,001 of this total was self-funded by Kouzounas
^ $77,000 of this total was self-funded by Costello
^ $55,000 of this total was self-funded by Cherry
^ Key:
A – all adults
RV – registered voters
LV – likely voters
V – unclear
^ Cherry (I) with 1%
^ Cherry (I) with 3%
^ Cherry (I) with 1%
^ Cherry (I) with 3%; "Another candidate" with 1%

Partisan clients

^ Poll sponsored by Bangor Daily News and FairVote

References

^ "2024 State Primary Election Dates". www.ncsl.org. Retrieved May 13, 2023.
^ "Sen. Angus King facing third challenger for Senate seat". WGME-TV. May 22, 2024. Retrieved July 22, 2024.
^ Robinson, Steve (June 27, 2023). "Angus King, 79, Says He's Running for Re-Election in 2024". Maine Wire. Retrieved June 27, 2023.
^ Collins, Steve (June 27, 2024). "Sen. Joe Manchin donates to King, Golden reelection campaigns". Portland Press Herald. Retrieved October 30, 2024.
^ "'That's a big deal': Sen. Angus King, I-Maine, touts key labor endorsement". WCSH. September 23, 2024. Retrieved September 24, 2024.
^ "Support Pro-Israel Candidates". AIPAC PAC. Retrieved April 7, 2023.
^ "2024 – Feminist Majority PAC". feministmajoritypac.org. Retrieved February 9, 2024.
^ "IFA Endorses Congressional Candidates Ahead of June Primary Elections". www.franchise.org. June 3, 2024. Retrieved June 3, 2024.
^ "Jewish Dems: President Biden Stands with Israel". Jewish Democratic Council of America. Retrieved May 10, 2024.
^ "Angus King". JStreetPAC. Retrieved August 26, 2023.
^ "LCV Action Fund Announces First Round of Congressional Endorsements". League of Conservation Voters. Retrieved July 27, 2023.
^ "2024 Planned Parenthood Action Fund Endorsed Candidates". Planned Parenthood Action Fund. Retrieved November 6, 2023.
^ "2024 Endorsements". Population Connection Action Fund. Retrieved August 25, 2023.
^ ^a ^b ^c ^d "2024 Election United States Senate - Maine". fec.gov. Federal Election Commission. Retrieved October 15, 2024.
^ Shepherd, Michael (January 19, 2024). "Former Maine Republican Party chair will run against Angus King". Bangor Daily News. Retrieved January 19, 2024.
^ ^a ^b "June 11, 2024 State Primary Election". Maine.gov.
^ Collins, Steve (April 12, 2023). "Brunswick Democrat is first to enter the 2024 U.S. Senate race in Maine". Portland Press Herald. Retrieved April 12, 2023.
^ "2024 Senate Race ratings". Cook Political Report. Retrieved January 25, 2023.
^ "Senate Ratings". Inside Elections. January 6, 2023. Retrieved January 10, 2023.
^ "2024 Senate". Sabato's Crystal Ball. January 24, 2023. Retrieved February 13, 2023.
^ "2024 Senate prediction map". elections2024.thehill.com/. The Hill. June 8, 2024. Retrieved June 8, 2024.
^ "Election Ratings". Elections Daily. August 1, 2023. Retrieved August 2, 2023.
^ "'24 Senate Forecast". CNalysis. Retrieved November 21, 2023.
^ "Battle for the Senate 2024". RealClearPolitics. Retrieved August 5, 2024.
^ "2024 Senate Forecast". Split Ticket. Retrieved October 23, 2024.
^ "2024 Election Forecast". FiveThirtyEight. Retrieved October 23, 2024.
^ "Maine U.S. Senate Election Results". The New York Times. November 5, 2024. Retrieved November 6, 2024.

External links

Official campaign websites

[16] $154,001 of this total was self-funded by Kouzounas

[19] $50,000 of this total was self-funded by Costello

[29] $314,001 of this total was self-funded by Kouzounas

[30] $77,000 of this total was self-funded by Costello

[31] $55,000 of this total was self-funded by Cherry

[Key-32] Key:
A – all adults
RV – registered voters
LV – likely voters
V – unclear

[33] Cherry (I) with 1%

[35] Cherry (I) with 3%

[36] Cherry (I) with 1%

[37] Cherry (I) with 3%; "Another candidate" with 1%

[BangorFairVote-34] Poll sponsored by Bangor Daily News and FairVote

[1] "2024 State Primary Election Dates". www.ncsl.org. Retrieved May 13, 2023.

[2] "Sen. Angus King facing third challenger for Senate seat". WGME-TV. May 22, 2024. Retrieved July 22, 2024.

[3] Robinson, Steve (June 27, 2023). "Angus King, 79, Says He's Running for Re-Election in 2024". Maine Wire. Retrieved June 27, 2023.

[4] Collins, Steve (June 27, 2024). "Sen. Joe Manchin donates to King, Golden reelection campaigns". Portland Press Herald. Retrieved October 30, 2024.

[5] "'That's a big deal': Sen. Angus King, I-Maine, touts key labor endorsement". WCSH. September 23, 2024. Retrieved September 24, 2024.

[aipac-6] "Support Pro-Israel Candidates". AIPAC PAC. Retrieved April 7, 2023.

[femmajorityendorse-7] "2024 – Feminist Majority PAC". feministmajoritypac.org. Retrieved February 9, 2024.

[IFAjune-8] "IFA Endorses Congressional Candidates Ahead of June Primary Elections". www.franchise.org. June 3, 2024. Retrieved June 3, 2024.

[jdjoshendorse-9] "Jewish Dems: President Biden Stands with Israel". Jewish Democratic Council of America. Retrieved May 10, 2024.

[10] "Angus King". JStreetPAC. Retrieved August 26, 2023.

[11] "LCV Action Fund Announces First Round of Congressional Endorsements". League of Conservation Voters. Retrieved July 27, 2023.

[PPAF-12] "2024 Planned Parenthood Action Fund Endorsed Candidates". Planned Parenthood Action Fund. Retrieved November 6, 2023.

[pop-13] "2024 Endorsements". Population Connection Action Fund. Retrieved August 25, 2023.

[FEC-14] "2024 Election United States Senate - Maine". fec.gov. Federal Election Commission. Retrieved October 15, 2024.

[15] Shepherd, Michael (January 19, 2024). "Former Maine Republican Party chair will run against Angus King". Bangor Daily News. Retrieved January 19, 2024.

[prim1-17] "June 11, 2024 State Primary Election". Maine.gov.

[18] Collins, Steve (April 12, 2023). "Brunswick Democrat is first to enter the 2024 U.S. Senate race in Maine". Portland Press Herald. Retrieved April 12, 2023.

[20] "2024 Senate Race ratings". Cook Political Report. Retrieved January 25, 2023.

[Inside_Elections-21] "Senate Ratings". Inside Elections. January 6, 2023. Retrieved January 10, 2023.

[Sabato's_Crystal_Ball-22] "2024 Senate". Sabato's Crystal Ball. January 24, 2023. Retrieved February 13, 2023.

[23] "2024 Senate prediction map". elections2024.thehill.com/. The Hill. June 8, 2024. Retrieved June 8, 2024.

[24] "Election Ratings". Elections Daily. August 1, 2023. Retrieved August 2, 2023.

[25] "'24 Senate Forecast". CNalysis. Retrieved November 21, 2023.

[26] "Battle for the Senate 2024". RealClearPolitics. Retrieved August 5, 2024.

[27] "2024 Senate Forecast". Split Ticket. Retrieved October 23, 2024.

[28] "2024 Election Forecast". FiveThirtyEight. Retrieved October 23, 2024.

[38] "Maine U.S. Senate Election Results". The New York Times. November 5, 2024. Retrieved November 6, 2024.

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]

[13]

[14]

[15]

[a]

[16]

[17]

[b]

[18]

[19]

[20]

[21]

[22]

[23]

[24]

[25]

[26]

[c]

[d]

[e]

[f]

[g]

[A]

[h]

[i]

[j]

[27]

v t e (2023 ←) 2024 United States elections (→ 2025)
U.S. President	Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Straw polls Guam Puerto Rico
U.S. Senate	Arizona California Connecticut Delaware Florida Hawaii Indiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nebraska (special) Nevada New Jersey New Mexico New York North Dakota Ohio Pennsylvania Rhode Island Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
U.S. House (election ratings)	Alabama Alaska American Samoa Arizona Arkansas California 16th 20th sp 30th 45th 47th Colorado 4th sp Connecticut Delaware District of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland 6th Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey 10th sp New Mexico New York 3rd sp 26th sp North Carolina North Dakota Northern Mariana Islands Ohio 6th sp Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas 18th sp Utah Vermont Virginia U.S. Virgin Islands Washington West Virginia Wisconsin 8th sp Wyoming
Governors	American Samoa Delaware Lt. Gov Indiana Missouri Lt. Gov Montana New Hampshire North Carolina Lt. Gov North Dakota Puerto Rico Utah Vermont Lt. Gov Washington Lt. Gov West Virginia
Attorneys general	Indiana Missouri Montana North Carolina Oregon Pennsylvania Utah Vermont Washington West Virginia
Secretaries of state	Missouri Montana North Carolina Oregon Vermont Washington West Virginia
State treasurers	Arkansas (special) Missouri North Carolina North Dakota Oregon Pennsylvania Utah Vermont Washington West Virginia
Other statewide elections	Alabama Board of Education Court of Civil Appeals Public Service Commission Supreme Court Arizona Corporation Commission Delaware Insurance Commissioner Georgia Judicial Kentucky Supreme Court Montana Auditor Superintendent New Hampshire Executive Council North Carolina Council of State North Dakota Auditor Insurance Commissioner Superintendent Public Service Commissioner Oklahoma Corporation Commissioner Pennsylvania Auditor General Texas Railroad Commissioner Utah Auditor Vermont Auditor Washington Auditor Land Commissioner Insurance Commissioner Superintendent West Virginia Auditor Agriculture Commissioner
State legislative	Alaska House Senate Arizona House Senate Arkansas House Senate California Assembly Senate Colorado House Senate Connecticut House Senate Delaware House Senate Florida House Senate Georgia House Senate Hawaii House Senate Idaho House Senate Illinois House Senate Indiana House Senate Iowa House Senate Kansas House Senate Kentucky House Senate Maine House Senate Massachusetts House Senate Michigan House Minnesota House Missouri House Senate Montana House Senate Nebraska Nevada Assembly Senate New Hampshire House Senate New Mexico House Senate New York Assembly Senate North Carolina House Senate North Dakota House Senate Ohio House Senate Oklahoma House Senate Oregon House Senate Pennsylvania House Senate Puerto Rico House Senate Rhode Island House Senate South Carolina House Senate South Dakota House Senate Tennessee House Senate Texas House Senate Utah House Senate Vermont House Senate Washington House Senate West Virginia House Senate Wisconsin Assembly Senate Wyoming House Senate Special elections
Mayors	Alexandria, VA Anchorage, AK Austin, TX Bakersfield, CA Baltimore, MD Baton Rouge, LA Bridgeport, CT Burlington, VT El Paso, TX Fayetteville, AR Fort Lauderdale, FL Fresno, CA Grand Rapids, MI Honolulu, HI Huntington, WV Huntsville, AL Irvine, CA Las Vegas, NV Lubbock, TX Mesa, AZ Miami-Dade County, FL Milwaukee, WI Phoenix, AZ Portland, OR Pueblo, CO Raleigh, NC Richmond, VA Riverside, CA Sacramento, CA Salt Lake County, UT San Diego, CA San Francisco, CA San Jose, CA Stockton, CA Tulsa, OK Virginia Beach, VA Wilmington, DE
Local	Alameda County, CA (recall) Chicago, IL Lee County, AL Los Angeles, CA Los Angeles County, CA Maricopa County, AZ Board of Supervisors New Castle County, DE Multnomah County, OR Orange County, CA Portland, OR City Auditor City Council San Diego, CA San Francisco, CA San Mateo County, CA Tulsa, OK Washington, D.C.
States and territories	Alabama Alaska American Samoa Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas U.S. Virgin Islands Utah Vermont Virginia Washington Washington, D.C. West Virginia Wisconsin Wyoming
Ballot measures	Alabama Amendment 1 Alaska Ballot Measure 2 Arizona Proposition 139 California Proposition 1 Proposition 2 Proposition 3 Proposition 4 Proposition 5 Proposition 6 Proposition 32 Proposition 33 Proposition 34 Proposition 35 Proposition 36 Colorado Amendment 79 Amendment 80 Amendment I Amendment J Proposition 127 Proposition 128 Proposition 129 Proposition 131 District of Columbia Initiative 83 Florida Amendment 3 Amendment 4 Hawaii Amendment 1 Idaho open primary initiative Kentucky Amendment 2 Maine Question 5 Maryland Question 1 Missouri Amendment 3 Montana Initiative 128 Nebraska Initiative 434 Initiative 439 New York Proposal 1 Ohio Issue 1 Oregon Measure 115 Measure 116 Measure 117 Measure 118 Measure 119 Puerto Rico Status South Dakota Amendment E Amendment G Amendment H