Sean O'Donnell
50.5%1,448,675
Ian Birk
49.1%1,409,374
Write-In
0.4%10,668
Electoral MeridianIndependent Election Research
Forecasts. Results. Evidence.
States ยท Washington
2026 results by county, from Washington's official results file. Sean O'Donnell 50.5%, Ian Birk 49.1% statewide.
The state's unofficial totals. Winners aren't marked here.
39 counties: Sean O'Donnell has the most votes in 35, Ian Birk has the most votes in 4. The figures for each county are from the same file and add up to the statewide totals.
The share with the most votes in each place is in bold. That's the count, not a result.
Washington's official results, file posted Nov 13, 6:01 PM. Unofficial until certified. Washington's page has its other statewide offices, ballot measures and legislature.