2006 Pennsylvania U.S. Senate Election

Pennsylvania · 2 candidates · See every 2006 U.S. Senate race

Who won the 2006 Pennsylvania U.S. Senate Election?

Robert P. Casey Jr. won the 2006 Pennsylvania U.S. Senate Election. Robert P. Casey Jr. received 2,392,984 popular votes (58.64%). The main challenger was Rick Santorum (41.28%).

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

Jr. +17.4 pts · won by 708,206 votes

Robert P. Casey Jr.DemocraticWINNER58.64%

2,392,984 votes

Rick Santorum Republican41.28%

1,684,778 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.