1970 Delaware U.S. Senate Election

Delaware · 3 candidates · See every 1970 U.S. Senate race

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

William V Roth Jr. won the 1970 Delaware U.S. Senate Election. William V Roth Jr. received 94,979 popular votes (58.83%). The main challenger was Jacob W. Zimmerman (40.1%).

See the full head-to-head between Jr. and Zimmerman

Jr. +18.7 pts · won by 30,239 votes

William V Roth Jr.RepublicanWINNER58.83%

94,979 votes

Jacob W. Zimmerman Democratic40.1%

64,740 votes

Donald G. GiesIndependent1.07%

1,720 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.