2012 Washington U.S. Senate Election

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

Who won the 2012 Washington U.S. Senate Election?

Maria Cantwell won the 2012 Washington U.S. Senate Election. Maria Cantwell received 1,855,493 popular votes (60.45%). The main challenger was Michael Baumgartner (39.55%).

See the full head-to-head between Cantwell and Baumgartner

Cantwell +20.9 pts · won by 641,569 votes

Maria Cantwell DemocraticWINNER60.45%

1,855,493 votes

Michael Baumgartner Republican39.55%

1,213,924 votes

Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.