PolitiFinder

2012 Washington U.S. House District 1 Election

Washington · 2 candidates · See every 2012 U.S. House race

Who won the 2012 Washington U.S. House District 1 Election?

Suzan K. DelBene won the 2012 Washington U.S. House District 1 Election. Suzan K. DelBene received 177,025 popular votes (53.94%). The main challenger was John Koster (46.06%).

See the full head-to-head between DelBene and Koster

DelBene +7.9 pts · won by 25,838 votes
Suzan K. DelBeneDemocraticWINNER53.94%
177,025 votes
John KosterRepublican46.06%
151,187 votes
Popular-vote totals for U.S. House elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.