The 2026 United States Senate election in Oregon will be held on November 3, 2026, to elect a member of the United States Senate to represent the state of Oregon. Democratic incumbent Jeff Merkley is seeking a fourth term. He is being challenged by Republican state senator David Brock Smith.
In the Democratic primary, Merkley was nominated with 93.2% of the vote against minimal opposition. Smith won the Republican nomination with 29.5% of the vote over former Linn County party chair Jo Rae Perkins and real estate broker Brent Barker.
Republicans have not won a Senate election in Oregon since 2002.
Democratic primary Candidates Nominee Jeff Merkley, incumbent U.S. senator (2009–present) Eliminated in primary Paul D. Wells, retired electrical engineer
Declined Suzanne Bonamici, U.S. representative from (2012–present) (running for re-election)
Endorsements
Fundraising Campaign finance reports as of March 31, 2026CandidateRaisedSpentCash on handJeff Merkley (D)$7,150,950$4,376,333$6,580,178Source: Federal Election Commission
Results
Republican primary
Candidates
Nominee David Brock Smith, state senator from the 1st district (2023–present) Eliminated in primary Brent Barker, commercial real estate broker Deborah C. Brown, retired civil engineer David Burch, perennial candidate Russ McAlmond, businessman Jo Rae Perkins, former chair of the Linn County Republican Party and nominee for the U.S. Senate in 2020 and 2022 Tim Skelton, Scoutmaster and security worker
Did Not File
Joe Johnson, former candidate for Baker County Commission and Baker City Council Douglas T. Muck Jr., rancher
Fundraising Campaign finance reports as of March 31, 2026CandidateRaisedSpentCash on handDavid Smith (R)$24,083$288$23,795Jo Rae Perkins (R)$5,185$7,328$1,056Source: Federal Election Commission
Results
Third-party and independent candidates Declared Gary Lyndon Dye, engineer (Libertarian) Brett Smith, truck driver (Pacific Green Party)
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
Fundraising Campaign finance reports as of June 30, 2026CandidateRaisedSpentCash on hand Jeff Merkley (D)$7,893,849$4,871,007$6,828,404 David Brock Smith (R)$120,760$91,781$28,980Source: Federal Election Commission
Notes
References
External links Official campaign websites
Jeff Merkley (D) David Brock Smith (R)