The 2026 U.S. Senate general election in Washington will determine who serves as the state's Class III Senator in the 119th Congress. Incumbent Senator Patty Murray, a Democrat first elected in 1992, is seeking re-election to a sixth term against Republican challenger Tiffany Smiley, who previously ran in 2022.
The 2026 U.S. Senate general election in Washington will determine who serves as the state's Class III Senator in the 119th Congress. Incumbent Senator Patty Murray, a Democrat first elected in 1992, is seeking re-election to a sixth term against Republican challenger Tiffany Smiley, who previously ran in 2022.
Washington conducts all elections by mail; registered voters automatically receive ballots at their address on file. Voters must be U.S. citizens, Washington residents, and at least 18 years old by Election Day. Registration can be completed online, by mail, or in person, with no photo ID required to vote, though signature verification is used for ballot authentication.