2026 U.S. Senate race in South Dakota

Incumbent running

Brian Bengs (I) vs. Mike Rounds (R): South Dakota's U.S. Senate election is on Tuesday, November 3, 2026, part of the 2026 midterm elections.

BB
Brian Bengs
Independent
FEC filing ↗
Mike Rounds, Republican candidate for U.S. Senate in South Dakota
Mike Rounds
Republican
Incumbent · U.S. Senator since 2015Voting record →
Campaign money →FEC filing ↗
Seat held by
(R) Mike Rounds, since 2015
Election day
Tuesday, Nov. 3, 2026
Term
Jan 3, 2027 – Jan 3, 2033

Who is running for U.S. Senate in South Dakota in 2026?

Brian Bengs (I) vs. Mike Rounds (R)

Who holds this seat now?

(R) Mike Rounds, since 2015

When is the election?

Tuesday, Nov. 3, 2026

Candidate list: civicAPI ↗