The 2026 United States Senate election in Arkansas will be held on November 3, 2026, to elect a member of the United States Senate to represent the state of Arkansas. Republican incumbent Tom Cotton is seeking a third term. He is being challenged by Democratic farmer Hallie Shoffner.

Primary elections were held on March 3, 2026. Facing minimal opposition, Cotton won the Republican nomination with 81.6% of the vote. Shoffner won the Democratic nomination with 78.3% of the vote over Lewisville mayor Ethan Dunbar.

Democrats have not won a Senate election in Arkansas since 2008.

Republican primary Candidates Nominee Tom Cotton, incumbent U.S. senator (2015–present)

Eliminated in primary Jeb Little, state trooper Micah Ashby, pastor

Endorsements

Fundraising Campaign finance reports as of February 11, 2026CandidateRaisedSpentCash on handMicah Ashby (R)$41,162$126$754Tom Cotton (R)$11,880,970$8,607,793$9,670,131Jeb Little (R)$54,598$43,830$10,768Source: Federal Election Commission

Results

Democratic primary Candidates Nominee Hallie Shoffner, farmer and entrepreneur

Eliminated in primary Ethan Dunbar, mayor of Lewisville (2019–present)

Withdrawn James Russell, small business owner and candidate for governor in 2022 (running for U.S. House)

Endorsements

Fundraising Campaign finance reports as of February 11, 2026CandidateRaisedSpentCash on handEthan Dunbar (D)$15,956$17,411$3,717Hallie Shoffner (D)$1,237,490$733,520$503,970Source: Federal Election Commission

Results

Libertarian primary Candidates Nominee Jeff Wadlin, strategy consultant

General election Predictions SourceRankingAs ofThe Cook Political ReportSeptember 23, 2026Decision Desk HQOctober 2, 2026The EconomistOctober 3, 2026FiftyPlusOneOctober 3, 2026Fox NewsSeptember 22, 2026Inside ElectionsOctober 1, 2026RealClearPoliticsSeptember 24, 2026Sabato's Crystal BallSeptember 22, 2026Silver BulletinOctober 3, 2026Split TicketOctober 2, 2026

Post-primary endorsements

Fundraising Campaign finance reports as of June 30, 2026CandidateRaisedSpentCash on hand Tom Cotton (R)$13,601,049$10,066,117$9,931,885 Hallie Shoffner (D)$2,269,114$1,405,536$863,578Source: Federal Election Commission

Polling Aggregate polls Source of pollaggregation Datesadministered Datesupdated TomCotton (R) HallieShoffner (D)Other/Undecided Margin270toWinAugust 11–18, 2026August 20, 202647.5%41.0%11.5%Cotton +6.5%Race to the WHthrough August 18, 2026September 14, 202648.9%38.9%12.2%Cotton +10.0%Silver Bulletinthrough August 18, 2026October 2, 202647.6%41.0%11.4%Cotton +6.6%Average48.0%40.3%11.7%Cotton +7.7%

Poll source Date(s)administered Samplesize Marginof errorTomCotton (R)HallieShoffner (D) Other UndecidedJ.L. PartnersAugust 14–18, 2026803 (LV)± 3.5%51%35%4%11%Hendrix CollegeAugust 11–12, 20261,217 (LV)± 4.7%44%47%3%6%2040 Strategy Group (D)July 17–25, 2026586 (LV)± 4.0%46%43%—11% March 3, 2026 Primary electionsGrayHouse (R)February 7–9, 2026550 (LV)± 4.2%58%36%—7%

Results

See also 2026 United States elections 2026 Arkansas elections 2026 United States House of Representatives elections in Arkansas 2026 Arkansas gubernatorial election 2026 Arkansas House of Representatives election

Notes

Partisan and media clients

References

External links Official campaign websites Tom Cotton (R) Hallie Shoffner (D) Jeff Wadlin (L)