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2008 Delaware U.S. Senate Election

Delaware · 2 candidates · See every 2008 U.S. Senate race

Who won the 2008 Delaware U.S. Senate Election?

Joe Biden won the 2008 Delaware U.S. Senate Election. Joe Biden received 257,539 popular votes (64.69%). The main challenger was Christine O'Donnell (35.31%).

See the full head-to-head between Biden and O'Donnell

Biden +29.4 pts · won by 116,944 votes
Joe BidenDemocraticWINNER64.69%
257,539 votes
Christine O'DonnellRepublican35.31%
140,595 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.