The 1940 United States Senate election in Washington was held on November 5, 1940. Incumbent Democrat Lewis Schwellenbach did not run for a second term in office. He was succeeded by Democratic U.S. Representative Monrad C. Wallgren, who defeated Republican Stephen Foster Chadwick for the open seat.
Blanket primary
Candidates
Democratic
- Frank T. Bell, former Commissioner of Fish and Fisheries, former Treasurer of Grant County, and businessman
- Harry C. Huse
- Donald B. Miller, State Representative, and businessman
- Roy B. Misener, King County Assessor
- Robert Lee Smith
- Monrad Wallgren, U.S. Representative from Everett
Republican
- Stephen Fowler Chadwick, son of Stephen J. Chadwick, and candidate for Representative from Washington in 1926
- Ewing D. Colvin, former Prosecutor of King County, and Washington State Bar Association official
- Howard E. Foster
- Eric Johnston, businessman, and former Marine
- Robert Prior
Results
General election
Results
See also
- 1940 United States Senate elections
References
