1974 South Dakota U.S. Senate Election

South Dakota · 2 candidates · See every 1974 U.S. Senate race

Who won the 1974 South Dakota U.S. Senate Election?

George McGovern won the 1974 South Dakota U.S. Senate Election. George McGovern received 147,929 popular votes (53.04%). The main challenger was Leo K. Thorsness (46.96%).

See the full head-to-head between McGovern and Thorsness

McGovern +6.1 pts · won by 16,974 votes

George McGovern DemocraticWINNER53.04%

147,929 votes

Leo K. Thorsness Republican46.96%

130,955 votes

Popular-vote totals for this U.S. Senate election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified July 28, 2026.