Important Dates: May 19, 2026 Primary Election

September 11, 2025 - Last day for candidate who files for a major party office to be registered to vote as a member of that political party
September 11, 2025 - First day for a County Candidate to file for candidacy
February 27, 2026 - County/City/District ballot title filing deadline (SEL 805)
March 10, 2026 - Last day for a County Candidate to file for candidacy
March 12, 2026 - Last day for County Candidate to file Voters’ Pamphlet Statement
March 13, 2026 - Last day for Withdrawal as a Candidate
March 19, 2026 - County/City/District measure filing deadline (County-SEL 801, City-SEL 802 & Districts-SEL 803)
April 3, 2026 - Military & overseas ballots mailed
April 20, 2026 - Out of state ballots mailed
April 22, 2026 - April 24, 2026 - Voters' Pamphlets delivered to Oregon Residents
April 28, 2026 - Last day to register to vote or change your political party affiliation
May 1, 2026 - Ballots mailed to voters
May 19, 2026 - Election Day
May 26, 2026 - Last day to receive valid postmarked ballots by mail
June 9, 2026 - Last day to resolve challenged ballots
June 15, 2026 - Last day to certify election