1920 South Dakota U.S. Senate Election

South Dakota · 5 candidates · See every 1920 U.S. Senate race

Who won the 1920 South Dakota U.S. Senate Election?

Peter Norbeck won the 1920 South Dakota U.S. Senate Election. Peter Norbeck received 92,267 popular votes (50.1%). The main challenger was Tom Ayres (24.06%).

See the full head-to-head between Norbeck and Ayres

Norbeck +26.0 pts · won by 47,958 votes

Peter Norbeck RepublicanWINNER50.1%

92,267 votes

Tom AyresNon-Partisan24.06%

44,309 votes

U. S. Cherry Democratic20%

36,833 votes

R. O. RichardsIndependent5.45%

10,032 votes

L. J. ManbeckIndependent0.4%

738 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.