2006 Delaware U.S. House At-large Election

Delaware · 4 candidates · See every 2006 U.S. House race

Who won the 2006 Delaware U.S. House At-large Election?

Mike Castle won the 2006 Delaware U.S. House At-large Election. Mike Castle received 143,897 popular votes (57.17%). The main challenger was Dennis Spivack (38.76%).

See the full head-to-head between Castle and Spivack

Castle +18.4 pts · won by 46,332 votes

Mike Castle RepublicanWINNER57.17%

143,897 votes

Dennis Spivack Democratic38.76%

97,565 votes

Karen M. Hartley-NagleIndependent2.29%

5,769 votes

Michael BergGreen1.77%

4,463 votes

Popular-vote totals for U.S. House elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.