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  1. Senate

South Dakota Senate winner?

Resolves by winning party
Republican party
Current incumbent: Mike Rounds
Yes

Republican party

Current incumbent: Mike Rounds
Yes
Brian Bengs
Independent
No

Brian Bengs

Independent
No
Democratic party
No

Democratic party

No

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South Dakota Senate margin of victory
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South Dakota Senate General Election: voter turnout
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South Dakota Senate election: Brian Bengs vote percent
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South Dakota Senate election: Mike Rounds vote percent
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AZ-02 House winner?
General election · Nov 3, 2026What’s on your ballot?
Enter your address to see every contest and ballot question, with live odds on the ones Kalshi prices.
See your ballotCandidate and measure details from Ballotpedia.
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Determined
Outcome: Yes
Explore Elections
Democratic
Nov 3
Republican
$40,331 vol
Race Intel

South Dakota Senate Race 2026

ElectionNov 3, 2026General election
IncumbentMike Rounds (R)Running for re-election

South Dakota Senate Candidates and Fundraising

CandidatePollsRaisedSmall Donors
  • Mike RoundsRep51.4%
    51.4%
    $3.2M
    1.2%
    $3.2M raised·1.2% small donors
  • Brian BengsInd40.7%
    40.7%
    $782.1K
    61%
    $782.1K raised·61% small donors
  • Julian BeaudionDem—
    —
    $228.3K
    28%
    $228.3K raised·28% small donors
Polling averages · Fundraising: FEC filings · Small-donor ≤ $200. This does not include third party expenditures.

Past South Dakota Election Results

Past presidential elections

2024R +29.2%2020R +26.2%

More South Dakota and 2026 Midterm Races

More South Dakota races

South Dakota Governor race

Control of Congress

Which party will win the Senate?Which party will win the House?Congress balance of power

Midterms forecast

2026 midterm predictions2026 Senate forecast

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