South Dakota U.S. Senate race, 2026
On the ballot in South Dakota on Tuesday, November 3, 2026. Candidates are listed as South Dakota's official candidate list prints them, grouped by the party label the state uses. GovGalaxy doesn't rank candidates, call races or project winners.
On the ballot
- Independent:
- Brian L Bengs
- Republican:
- Mike Rounds (incumbent)
Source: South Dakota Secretary of State (opens in a new tab).
- Every candidate in our files, with party labels as the state lists them.
Results
South Dakota's last polls close at 9 p.m. ET. After polls close, GovGalaxy shows unofficial counts read from South Dakota's official results file. Results are unofficial until the state certifies them.
Last time this seat was on the ballot
History: the official certified result from November 3, 2020, shown for reference. It is not a forecast of the 2026 race.
- Dan Ahlers · Democrat143,987 · 34.26%
- Mike Rounds · Republican276,232 · 65.74%
Total votes: 420,219
Source: Office of the Clerk, U.S. House of Representatives - 2020 election statistics (opens in a new tab)
Recent polls
Each poll is copied from the pollster's own release, newest first. Polls are snapshots with a margin of error, not forecasts; GovGalaxy doesn't average them.
Emerson College Polling release (opens in a new tab) for KELOLAND
Oct 19 to Oct 21; 803 likely voters; margin of error ±3.5 points
Mike Rounds (Republican) 50% · Brian Bengs (Independent) 42% · Undecided 8%