Voting in Wasco County

2026 Primary Election Deadlines:

• September 11, 2025 - First day for candidates to file for office using SEL 101 or SEL 105

• February 27, 2026 - Last day for district to file prepared ballot title in order to complete challenge period by deadline

• March 3, 2026 - Last day for elected incumbent to file for same office

• March 10, 2026 - Last day for non-incumbent candidate to file for office or withdraw

• March 19, 2026 - Last day for districts to file or withdraw notice of measure

• April 3, 2026 - Military and Overseas ballots are mailed

• April 20, 2026 - Out of State ballots are mailed

• April 28, 2026 - Last day to register to vote or change party affiliation

• April 29, 2026 - Local ballots mailed to voters

• May 19, 2026 - ELECTION DAY. County Clerk's Office is open 7 am - 8 pm. Last day for voter to return ballot. Ballots that are mailed must be postmarked on or before Election Day and received by mail within 7 days of Election Day. Ballots deposited in an official drop box must be received by 8 pm on Election Day. Unofficial election results will be released at 8 pm and at final count for the evening (typically around midnight).

• May 22, 2026 - Updated results including postmarked ballots will be posted

• May 26, 2026 - Last day to receive valid postmarked ballots by mail

• June 9, 2026 - Last day to resolve signature challenges

• June 12, 2026 - Final, Official results will be posted

For more information about local elections, visit the
Wasco County Elections website. 

For information about statewide elections, to check your voter registration, or to view past election results, visit the
Oregon Secretary of State website.