Washington 12026 HOUSE POLLS

2026 Washington 1st District House Forecast:

The Pollsmax 2026 Washington 1st District House forecast currently gives Democrat Suzan DelBene a 99.9% chance of defeating Republican Mary Silva. Pollsmax projects DelBene to receive 71.7% of the vote compared with 28.4% for Silva, a projected Democratic margin of 43.3 percentage points. The model currently rates the race as Solid Democratic. The forecast is updated using 100,000 simulations incorporating polling and race fundamentals. See the Pollsmax forecast methodology.

The 2026 Washington 1st District House election features Democrat Suzan DelBene and Republican Mary Silva. Incumbent Representative Suzan DelBene is seeking reelection to a eighth term. In 2024, Kamala Harris won Washington's 1st congressional district by 4.5%, and the election for the district's House seat is rated as solid Democratic in 2026.