1970 Wisconsin U.S. Senate Election

Wisconsin · 6 candidates · See every 1970 U.S. Senate race

Who won the 1970 Wisconsin U.S. Senate Election?

William Proxmire won the 1970 Wisconsin U.S. Senate Election. William Proxmire received 948,445 popular votes (70.84%). The main challenger was John E. Erickson (28.48%).

See the full head-to-head between Proxmire and Erickson

Proxmire +42.4 pts · won by 567,148 votes

William Proxmire DemocraticWINNER70.84%

948,445 votes

John E. Erickson Republican28.48%

381,297 votes

Edmond E. Hou-SeyeIndependent0.46%

6,137 votes

Elizabeth BoardmanIndependent0.15%

2,022 votes

Martha M. QuinnSocialist Workers0.04%

580 votes

Adolf WiggertSocialist Labor0.03%

428 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.