Nineteen seats are open in Washington’s state legislative elections this year, meaning no incumbents filed. That is down 27% from 26 open seats in each of the previous two elections and means newcomers are guaranteed 13% of the legislature next year.
Twenty-nine incumbents face primary contests in Washington’s state legislative elections this year, one above the average of 28 since 2010. There were 24 incumbents contested in 2024.
