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