1966 Idaho U.S. Senate Election

Idaho · 2 candidates · See every 1966 U.S. Senate race

Who won the 1966 Idaho U.S. Senate Election?

Leonard B. Jordan won the 1966 Idaho U.S. Senate Election. Leonard B. Jordan received 139,819 popular votes (55.38%). The main challenger was Ralph R. Harding (44.62%).

See the full head-to-head between Jordan and Harding

Jordan +10.8 pts · won by 27,182 votes

Leonard B. Jordan RepublicanWINNER55.38%

139,819 votes

Ralph R. Harding Democratic44.62%

112,637 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.