The 1928 United States Senate election in Washington was held on November 6, 1928. Incumbent Democrat Clarence Dill was re-elected to a second term in office over Republican Chief justice Kenneth Mackintosh.

As of , this is the last time Washington elected a U.S. Senator from east of the Cascade Mountains.

Democratic primary Candidates Clarence C. Dill, incumbent Senator since 1923 James Cleveland Longstreet

Results

Republican primary Candidates Austin E. Griffiths Kenneth Mackintosh, Chief Justice of the Washington Supreme Court since 1918 Miles Poindexter, U.S. Ambassador to Peru and former U.S. Senator (1911–23)

Results

General election Results

See also 1928 United States Senate elections

References