1966 United States Senate election in Minnesota
The 1966 United States Senate election in Minnesota took place on November 8, 1966. Incumbent Democratic U.S. Senator Walter Mondale, who had originally been appointed in 1964 to replace Hubert Humphrey after Humphrey was elected Vice President of the United States, defeated Republican challenger Robert A. Forsythe, to win a full term.Democratic–Farmer–Labor primary
Candidates
Declared
- Ralph E. Franklin
- Walter Mondale, Incumbent U.S. Senator since 1964
Results
Republican primary
Candidates
Declared
- Robert A. Forsythe
- Henry A. Johnsen
Results
General election
Results