primary

Oregon Primary Election

Tuesday, May 19, 2026 · Election has passed

U.S. House, U.S. Senate, Governor, statewide offices

What’s being decided

A primary election determines which candidates advance to the November general election. Voters in each party select their nominee, and the winners face each other in the fall.

Oregon holds an closed primaryonly voters registered with a party may vote in that party's primary.

Learn how primary elections work →

Candidates

U.S. Senate

D
Jeff Merkley

Democratic · Incumbent since 2009

Jeff Merkley has represented Oregon in the U.S. Senate since 2009. He is the only senator who served as a state House Speaker before being elected to the Senate. A progressive voice in the Democratic caucus, he has been a consistent advocate for workers' rights, climate action, and campaign finance reform.

Voter information

Registration deadline

October 13, 2026 (21 days before the November 3 general)

Same-day registration available

You can register and vote on Election Day at your polling place.