PolitiFinder

1978 Idaho U.S. Senate Election

Idaho · 2 candidates · See every 1978 U.S. Senate race

Who won the 1978 Idaho U.S. Senate Election?

James A. McClure won the 1978 Idaho U.S. Senate Election. James A. McClure received 194,412 popular votes (68.44%). The main challenger was Dwight Jensen (31.56%).

See the full head-to-head between McClure and Jensen

McClure +36.9 pts · won by 104,777 votes
James A. McClureRepublicanWINNER68.44%
194,412 votes
Dwight JensenDemocratic31.56%
89,635 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.