The 1964 United States Senate election in Washington was held on November 3, 1964. Incumbent Democrat Henry M. Jackson won a third term in office with a landslide victory over Republican Superintendent of Instruction Lloyd J. Andrews.
Blanket primary Candidates Democratic Alice Franklin Bryant Arthur C. DeWitt Henry M. Jackson, incumbent United States Senator since 1953
Republican Lloyd J. Andrews, State Superintendent of Public Instruction David J. Williams Mary Elizabeth Whitner
Results
General election Results
See also 1964 United States Senate elections
References