PolitiFinder

1988 Washington U.S. Senate Election

Washington · 2 candidates · See every 1988 U.S. Senate race

Who won the 1988 Washington U.S. Senate Election?

Slade Gorton won the 1988 Washington U.S. Senate Election. Slade Gorton received 944,359 popular votes (51.09%). The main challenger was Mike Lowry (48.91%).

See the full head-to-head between Gorton and Lowry

Gorton +2.2 pts · won by 40,176 votes
Slade GortonRepublicanWINNER51.09%
944,359 votes
Mike LowryDemocratic48.91%
904,183 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.