2026 general · November 3, 2026
2026 South Dakota U.S. Senate election results
South Dakota's U.S. Senate race in the 2026 general election: winners, margins and vote shares.
Races1
Changed party0
Unopposed0%0 races
Incumbents defeated0
Races
R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| South Dakota | Mike Rounds (R) | 21.0 |
South Dakota
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)