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2004 South Dakota U.S. House At-large Election

South Dakota · 3 candidates · See every 2004 U.S. House race

Who won the 2004 South Dakota U.S. House At-large Election?

Stephanie Herseth won the 2004 South Dakota U.S. House At-large Election. Stephanie Herseth received 207,837 popular votes (53.36%). The main challenger was Larry Diedrich (45.91%).

See the full head-to-head between Herseth and Diedrich

Herseth +7.5 pts · won by 29,014 votes
Stephanie HersethDemocraticWINNER53.36%
207,837 votes
Larry DiedrichRepublican45.91%
178,823 votes
Terry L. BegayLibertarian0.72%
2,808 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.