
Suzan DelBene*
DEMOCRATIC
US House of Representatives (D-WA)
2012 – Present

Washington1st District2026 HOUSE FORECAST

Republicans
REPUBLICAN
2026 Washington 1st District House Forecast:
Proprietary forecast for Washington's 1st congressional district House election between Democrat Suzan DelBene and Republican TBD. This page will update with a daily set of 100,000 new simulations as race fundamentals change in order to produce race odds, projected margin, and forecasted vote share. This page also includes polling averages when available.
The 2026 Washington 1st District House election features Democrat Suzan DelBene and Republican TBD. 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.
- Year
- 2026
- Race
- House
- District
- WA-1
- Democratic candidate
- Suzan DelBene
- Republican candidate
- TBD
- Incumbent / open seat
- Suzan DelBene
- Forecast rating
- Solid D
- Projected vote
- 66.0% D / 34.0% R
- Projected margin
- D +32.0
- Forecast odds
- 99.9% D / 0.1% R
- Forecast last updated
- 12:00 AM on July 2, 2026
- Polling average
- —
- Polling average margin
- —
- Polling last updated
- —
- Polls included
- 0
- Latest poll
- —