PolitiFinder

1966 Wyoming U.S. Senate Election

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

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

Clifford P. Hansen won the 1966 Wyoming U.S. Senate Election. Clifford P. Hansen received 63,548 popular votes (51.8%). The main challenger was Teno Roncalio (48.2%).

See the full head-to-head between Hansen and Roncalio

Hansen +3.6 pts · won by 4,407 votes
Clifford P. HansenRepublicanWINNER51.8%
63,548 votes
Teno RoncalioDemocratic48.2%
59,141 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.