PolitiFinder

1956 Pennsylvania U.S. Senate Election

Pennsylvania · 4 candidates · See every 1956 U.S. Senate race

Who won the 1956 Pennsylvania U.S. Senate Election?

Joseph S. Clark won the 1956 Pennsylvania U.S. Senate Election. Joseph S. Clark received 2,268,641 popular votes (50.08%). The main challenger was James H. Duff (49.69%).

See the full head-to-head between Clark and Duff

Clark +0.4 pts · won by 17,970 votes
Joseph S. ClarkDemocraticWINNER50.08%
2,268,641 votes
James H. DuffRepublican49.69%
2,250,671 votes
George S. TaylorSocialist Labor0.17%
7,922 votes
Herbert G. LewinMilitant Workers0.06%
2,640 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.