Multiple elections occurred on November 4, 2025, with primary elections held on August 5, 2025.

State legislative special elections

9 of the 147 state legislative seats were up for special election in 2025 as a result of deaths and resignations among members, 5 in the Senate and 4 in the House. All nine elections are in the Seattle area.

House of Representatives Parties Seats 2024 Up Won Change   Democratic Party 59 4 4   Republican Party 39 0 0 Total 98 4 4

Senate Parties Seats 2024 Up Won Change   Democratic Party 30 5 5   Republican Party 19 0 0 Total 49 5 5

Judicial Two special elections to the Washington Court of Appeals took place in November 2025. No more than two candidates filed in either race, so primary elections were cancelled.

Division I, District 2 Candidates Declared Tam T. Bui, Snohomish County District Judge Karen D. Moore, Snohomish County Superior Court Judge

Results

Division III, District 3 Candidates Declared Megan Murphy, incumbent judge

Results

Local elections Municipal elections in Washington are nonpartisan, while county elections are partisan.

Seattle The municipality of Seattle has 499,210 active voters as of May 1, 2025.

Mayoral election

The incumbent mayor of Seattle is Democrat Bruce Harrell. He ran for re-election to a second term.

City attorney election

The incumbent Seattle City Attorney is Republican Ann Davison. She ran for re-election to a second term.

King County King County, Washington has 1,428,492 active voters as of May 1, 2025.

April Proposition 1

A special ballot measure election was held on April 22. The amendment was successful.

References