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2016 Washington U.S. House District 10 Election

Washington · 2 candidates · See every 2016 U.S. House race

Who won the 2016 Washington U.S. House District 10 Election?

Denny Heck won the 2016 Washington U.S. House District 10 Election. Denny Heck received 170,460 popular votes (58.67%). The main challenger was James Postma (41.33%).

See the full head-to-head between Heck and Postma

Heck +17.3 pts · won by 50,356 votes
Denny HeckDemocraticWINNER58.67%
170,460 votes
James PostmaRepublican41.33%
120,104 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.