Suzan DelBene, 2026 Washington 1st District House Democratic candidate
Suzan DelBene*
DEMOCRATIC
US House of Representatives (D-WA)
2012 – Present
Washington state flag

Washington1st District2026 HOUSE FORECAST

TBD, 2026 Washington 1st District House Republican candidate
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