South Dakota Senate

South Dakota — U.S. Senate

Nov 3, 2020South Dakota2 candidates

Challengers

2

MR

(R)Won

Junior U.S. Senator from South Dakota and former two-term Governor of the state.

Vote share65.7%

DA

(D)Lost

Vote share34.3%

Campaign finance data not yet available for this race.

Recent Coverage

17

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

South Dakota SearchlightSep 22, 2026

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

BreitbartSep 21, 2026

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

Crypto BriefingSep 18, 2026

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

South Dakota SearchlightSep 14, 2026

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

South Dakota SearchlightSep 11, 2026

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

AGDAILYApr 22, 2026

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.