The 2026 Oregon Senate election will be held on November 3, 2026, alongside the other 2026 United States elections. Voters will elect half the members of the Oregon Senate in the U.S. state of Oregon to serve a four-year term. Electoral system The 15 members of the Senate up for election were elected from single-member districts via first-past-the-post voting for four-year terms.
Contested nominations of recognized major parties (Democratic and Republican) for each district are determined by a primary election on May 19, 2026.
Minor party candidates are nominated by petition. Write-in candidates must file a request with the Secretary of State's office for votes for them to be counted. Candidates for the state Senate in 2026 are required to file to run from September 11, 2025, to March 10, 2026. Outgoing incumbents Retirements
Jeff Golden (D–Ashland), representing district 3 since 2019 is retiring.
Seeking other office
Christine Drazan (R–Canby), representing district 26 since 2025 is retiring to run for governor.
Disqualified
Cedric Ross Hayden (R–Fall Creek), representing district 6 since 2023, was barred from seeking re-election. Kim Thatcher (R–Keizer), representing district 11 since 2023, was barred from seeking re-election. Suzanne Weber (R–Tillamook), representing district 16 since 2023, was barred from seeking re-election.
Lost renomination Janeen Sollman (D–Hillsboro), representing district 15 since 2022, lost renomination to Myrna Muñoz
Predictions SourceRankingAs of Sabato's Crystal Ball January 22, 2026
District overview District Incumbent Party Previous Margin of victory Elected Senator Party 3rd Jeff Golden Dem 3.86% TBD 4th Floyd Prozanski Dem 64.11% TBD 6th Cedric Hayden Rep 30.62% TBD 7th James Manning Jr. Dem 29.08% TBD 8th Sara Gelser Blouin Dem 19.65% TBD 10th Deb Patterson Dem 6.93% TBD 11th Kim Thatcher Rep 5.15% TBD 13th Courtney Neron Misslin Dem 16.15% TBD 15th Janeen Sollman Dem 11.12% TBD 16th Suzanne Weber Rep 13.13% TBD 17th Lisa Reynolds Dem 57.98% TBD 19th Rob Wagner Dem 32.18% TBD 20th Mark Meek Dem 0.81% TBD 24th Kayse Jama Dem 17.55% TBD 26th Christine Drazan Rep 18.31% TBD
Detailed results District 3 • District 4 • District 6 • District 7 • District 8 • District 10 • District 11 • District 13 • District 15 • District 16 • District 17 • District 19• District 20 • District 24 • District 26__NOTOC__
District 3 Incumbent Democrat Jeff Golden declined to seek re-election.
District 4 Incumbent Democrat Floyd Prozanski is running for re-election.
District 6 Incumbent Republican Cedric Ross Hayden was barred from seeking re-election.
District 7 Incumbent Democrat James Manning Jr. is running for re-election.
District 8 Incumbent Democrat Sara Gelser Blouin is running for re-election.
District 10 Incumbent Democrat Deb Patterson is running for re-election.
District 11 Incumbent Republican Kim Thatcher was barred from seeking re-election.
District 13 Incumbent Democrat Courtney Neron Misslin is running for re-election.
District 15 Incumbent Democrat Janeen Sollman ran for re-election. She lost renomination to educator Myrna Muñoz. Muñoz announced her campaign against Sollman, a moderate Democrat, in part to provide a progressive alternative. She made opposition to AI data centers and ICE a major part of her platform. Her campaign additionally drew support from organized labor and various advocacy groups. The contest was described as a factional battle between the party's centrist and left wing factions. Muñoz defeated Sollman by a six-point margin. She will face Republican Harold Hutchinson in the general election.
District 16 Incumbent Republican Suzanne Weber was barred from seeking re-election.
District 17 Incumbent Democrat Lisa Reynolds is running for re-election.
District 19 Incumbent Democrat and Senate President Rob Wagner is running for re-election.
District 20 Incumbent Democrat Mark Meek is running for re-election.
District 24 Incumbent Democrat Kayse Jama is running for re-election.
District 26 Incumbent Republican Christine Drazan declined to seek re-election, instead running for governor of Oregon.
References