2026 United States Senate election in South Dakota

Nov 3, 2026

IncumbentMike Rounds Republican

General election

November 3, 2026

Mike Rounds Republican Incumbent
incumbent U.S. senator (2015–present)
Julian Beaudion Democrat
former South Dakota state trooper, activist, and businessman

Independents:

Brian Bengs

Primaries

Democratic primary

June 2, 2026Results

✓Julian BeaudionUnopposed
former South Dakota state trooper, activist, and businessman

Republican primary

June 2, 2026Results 133,883 votes

✓Mike Rounds Incumbent75.8% 101,471
incumbent U.S. senator (2015–present)
Justin McNeal24.2% 32,412
Navy veteran and businessman

About 2026 United States Senate election in South Dakota

2026 United States Senate election in South Dakota — 6 candidates tracked, election day November 3, 2026, with primary and general stages, results, and related…

This race-level view follows one contest through its candidates and election stages, with dates and results kept alongside links to the people and other races in the same jurisdiction.