South Dakota U.S. Senate

2 candidates · General election, November 3, 2026

What this office does

One of your state's two U.S. Senators in Washington. Senators write and vote on federal laws, approve the federal budget, confirm Supreme Court justices, federal judges and cabinet members, and ratify treaties. Terms are 6 years (a special election fills the rest of an unfinished term).

Candidates

Mike RoundsIncumbent

Republican · $1.9M outside spending · 4 endorsements listed

Slightly right · from their votes in Congress (DW-NOMINATE, Voteview)

Brian Bengs

Independent · $1.5M outside spending · 1 endorsement listed

Moderately left · from who donates to them (DIME campaign-finance score, Stanford)

Minor-party, independent and write-in candidates may also be on your ballot.

Filled dots are published academic scores; hollow dots are AI estimates from the candidate's own public record. How placements work.

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Also on South Dakota ballots

U.S. Representative (at-large)

All South Dakota races and measures →