Washington3rd District2026 HOUSE FORECAST

2026 Washington 3rd District House Forecast:

Proprietary forecast for Washington's 3rd congressional district House election between Democrat Marie Gluesenkamp Perez 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 3rd District House election features Democrat Marie Gluesenkamp Perez and Republican TBD. Incumbent Representative Marie Gluesenkamp Perez is seeking reelection to a third term. In 2024, Donald Trump won Washington's 3rd congressional district by 5.5%, and the election for the district's House seat is rated as lean Democratic in 2026. The race will test whether Democrats can flip a competitive Washington seat or whether Republicans can hold one of their key House battlegrounds. Washington's 3rd District will be important in determining control of the House for the second half of President Trump's term.