2026 midterms · South Dakota · November 3
South Dakota Senate race 2026
Who’s running for U.S. Senate in South Dakota on November 3, 2026: Mike Rounds (R, incumbent) and Brian Bengs (Independent). Now held by Mike Rounds (R). Forecasters: Solid R (average of 7; range Likely R to Solid R).
How to vote in South Dakota: check your registration on South Dakota’s election website · deadlines on Vote.gov for South Dakota
Next to a Democrat in Congress, $ backing is their backing from the pro-Israel PACs we track, 2016–2026; $0 backing means none. Tap a name for each PAC by year, with FEC links.
| Race | Rating | Democrats | Republicans | Others on the ballot | Notes |
|---|---|---|---|---|---|
| South Dakota Senate | Solid R Average of 7; Likely R to Solid R Each forecaster for South Dakota Senate
| No Democrat on the ballot | Mike Rounds (inc.) | Brian Bengs (Independent) | Now held by Mike Rounds (R) |
Help Democrats across South Dakota: South Dakota Democratic Party · See it on the map (South Dakota)
Where this comes from
Candidates as of October 9, 2026, from state election offices, news reports and Ballotpedia’s candidate lists; independent and minor-party candidates may not be complete. Ratings are the average of up to seven nonpartisan forecasters, read from the tables Wikipedia editors keep of them: how we average them and each forecaster’s own pages. Backing is contributions plus outside spending for a candidate by the pro-Israel PACs we track, from FEC filings (method). Results, on election night, only from AP or official sources. Found an error? Tell us.