South Dakota Senate race: 2026 result
South Dakota · election of 3 November 2026Incumbent: Mike Rounds (R)Updated
Called · unofficial countRounds (R) 60.5%, Bengs (I) 39.5%.
Mike Rounds (Republican) won the South Dakota Senate race in the 3 November 2026 election, with 60.5% of the vote to Brian Bengs's 39.5%, a margin of 21.0 points (64,080 votes). The seat stays Republican. Count as of November 11 at 6:53 AM EST, not yet certified.
What stands out in South Dakota Senate race
from the count and past results- Brian Bengs (independent) took 39.5% of the vote.
- Decided by 21.0 points (64,080 votes): the 24th closest Senate race of 2026 among the 35 with a vote count.
- Mike Rounds: incumbent reelected.
- Cook Partisan Voting Index for the state: R+15.
- Republican hold: the incumbent, Mike Rounds, was re-elected.
South Dakota Senate race: candidates and votes
Called · unofficial countGeneral election, 3 November 2026 · as of November 11 at 6:53 AM EST
| Candidate | Party | Votes | % |
|---|---|---|---|
| Mike Rounds · incumbent | Republican | 184,589 | 60.5 |
| Brian Bengs | Independent | 120,509 | 39.5 |
| Total | 305,098 | 100.0 |
Related races
- South Dakota governor's race · Larry Rhoden (R)
- South Dakota: House districts in 2026
- Closest Senate races: MS Senate (0.5), LA Senate (1.8), FL Senate (2.9), IA Senate (4.2), SC Senate (4.5)
- Senate results 2026: every race
Sources
- Votes and candidates: Wikipedia, 2026 United States Senate election in South Dakota (revision 1385015094, November 11 at 6:53 AM EST), which cites the state election office and AP race calls.
- Race call and incumbent: Wikipedia, 2026 United States Senate elections (revision 1385106255). A race is shown as called only when that article marks a winner.
- Text and figures from Wikipedia are available under CC BY-SA 4.0. Results are unofficial until the state certifies them; this page updates with the source.