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U.S. Senate
U.S. Senate
South Dakota · November 3, 2026
South Dakota voters will choose a U.S. Senator for a 6-year term. Current officeholder: Mike Rounds.
Candidates
MR
Mike Rounds
Incumbent
Republican
· Running for re-election
Mike Rounds (R) has served in the U.S. Senate since 2015 and previously served two terms as Governor of South Dakota. He serves on the Armed Services and Banking committees. Stated priorities include agriculture, veterans' issues, and cybersecurity.
Sources: Ballotpedia; Biographical Directory of the United States Congress.
JB
Democrat
· Challenger
Julian Beaudion (D) is challenging incumbent Senator Mike Rounds in South Dakota's 2026 U.S. Senate race.
Sources: Ballotpedia.