The 2026 U.S. House primary elections in Washington State's 10 congressional districts will be held on August 4, 2026, to nominate candidates for the general election. Washington uses a top-two primary system where voters can vote for any candidate regardless of party, and the top two vote-getters advance to the November general election.
The 2026 U.S. House primary elections in Washington State's 10 congressional districts will be held on August 4, 2026, to nominate candidates for the general election. Washington uses a top-two primary system where voters can vote for any candidate regardless of party, and the top two vote-getters advance to the November general election.
To vote in Washington's August 4, 2026 primary, voters must be registered by July 27, 2026. Washington conducts all elections by mail, so ballots are automatically mailed to registered voters; voters can return ballots by mail, drop them at official drop boxes, or vote in person at voter service centers during the early voting period from July 18 to August 1, 2026. No photo ID is required to vote if the signature on the ballot envelope matches the voter registration record.