South Dakota Senate

Name: South Dakota Senate Election 2026
Start: 2026-11-03
Location: South Dakota

South Dakota — U.S. Senate

Nov 3, 2026South Dakota2 candidates

Incumbent

Mike Rounds

(R)Incumbent

In office since 2015 · 2 terms

Participation

99%

Party Unity

98%

Bipartisan

Coverage Scorecard

Net +2692 votes

Good Look (58)Bad Look (34)

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Mike Rounds

(R)Incumbent

Since 2015

Participation

99%

Party Unity

98%

Bipartisan

View Full Profile

Challengers

Brian Bengs

(I)

View Profile

Campaign finance data not yet available for this race.

Recent Coverage

Postal Service’s plan to speed up delivery in South Dakota is a ‘good first step,’ US senator says

South Dakota SearchlightSep 22, 2026

positive

Report: GOP Senators Worry as Battleground Map Widens Ahead of Midterms

BreitbartSep 21, 2026

mixed

AI PACs spend nearly $1M in support of Mike Rounds' Senate race

Crypto BriefingSep 18, 2026

informational

Threats to our outdoor way of life present a test for South Dakota’s US senators

South Dakota SearchlightSep 14, 2026

negative

Sen. Rounds’ senior staffer posts image of obscene gesture after report about ethics concerns

South Dakota SearchlightSep 11, 2026

negative

Rounds presses RFK Jr. on ‘real food’ vs. lab-grown meat

AGDAILYApr 22, 2026

positive

Election History

2022

2020

2026

Brian Bengs(I)N/A

Mike Rounds(R)N/A

2022

John Thune(R)69.6%

Brian Bengs(D)26.1%

Tamara Lesnar(L)4.2%

2020

Mike Rounds(R)65.7%

Dan Ahlers(D)34.3%

Campaign finance data sourced from FEC filings. Election results from MIT Election Lab. ChamberLight is not an official government source.