This is one of our least certain forecasts — state-legislative races have almost no district polling and many of these maps were redrawn. Read the range, not the midpoint. How this is modeled →
Democrats are favored to hold control of the Washington Senate.
49 seats, one per district. Hover a district for its seat; the table below opens with the closest races and carries the exact values.
Census Bureau 2025 1:500,000 cartographic boundaries — simplified geometry for thematic mapping, not legal district lines.
| Democrat | Republican | ||||
|---|---|---|---|---|---|
| 35 | Modeled D-vs-R | Democratic — 53 in 100 | Carolina Mejia | Drew C MacEwen | |
| 31 | Modeled D-vs-R | Phil Fortunato — 77 in 100 | Tamara Stramel | Phil Fortunato | |
| 26 | Modeled D-vs-R | Deborah Krishnadasan — 84 in 100 | Deborah Krishnadasan | Gary Parker | |
| 42 | Modeled D-vs-R | Democratic — 85 in 100 | Eamonn Collins · Michael Alvarez Shepard | Erika Creydt · Ryan Bowman (O) | |
| 6 | Modeled D-vs-R | Jeff Holy — 88 in 100 | — | Jeff Holy | |
| 47 | Modeled D-vs-R | Claudia Kauffman — 94 in 100 | Claudia Kauffman | Kristina Soltys | |
| 38 | Modeled D-vs-R | June Robinson — 98 in 100 | June Robinson | Brad Bender | |
| 30 | Modeled D-vs-R | Claire Wilson — 98 in 100 | Claire Wilson | Michael Rutland | |
| 29 | Modeled D-vs-R | Democratic — 99 in 100 | David Anderson · Sharlett Mena | — | |
| 44 | Modeled D-vs-R | John Lovick — 99 in 100 | John Lovick | Sherri Larkin |