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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

Results

Democratic primary election results[1]
Party Candidate Votes %
Democratic (DFL) Walter Mondale (Incumbent) 410,841 90.97%
Democratic (DFL) Ralph E. Franklin 40,785 9.03%
Total votes 451,626 100.00%

Republican primary

Candidates

Declared

  • Robert A. Forsythe, businessman[2]
  • Henry A. Johnsen

Results

Republican primary election results[3]
Party Candidate Votes %
Republican Robert A. Forsythe 211,282 81.19%
Republican Henry A. Johnsen 48,941 18.81%
Total votes 260,223 100.00%

General election

Results

General election results[4]
Party Candidate Votes %
Democratic (DFL) Walter Mondale (Incumbent) 685,840 53.94%
Republican Robert A. Forsythe 574,868 45.21%
Socialist Workers Joseph Johnson 5,487 0.43%
Industrial Government William Braatz 5,231 0.41%
Total votes 1,271,426 100.00%
Majority 110,972 8.73%
Democratic (DFL) hold

See also

References

Categories
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