PolitiFinder

1964 Washington U.S. Senate Election

Washington · 2 candidates · See every 1964 U.S. Senate race

Who won the 1964 Washington U.S. Senate Election?

Henry M. Jackson won the 1964 Washington U.S. Senate Election. Henry M. Jackson received 875,950 popular votes (72.21%). The main challenger was Lloyd J. Andrews (27.79%).

See the full head-to-head between Jackson and Andrews

Jackson +44.4 pts · won by 538,812 votes
Henry M. JacksonDemocraticWINNER72.21%
875,950 votes
Lloyd J. AndrewsRepublican27.79%
337,138 votes
Popular-vote totals for this U.S. Senate election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified July 28, 2026.