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© 2026 OpenCongress

South Dakota

U.S. Senate representation

Senators

Rounds, Mike

Rounds, Mike

RepublicanSouth Dakota
Thune, John

Thune, John

RepublicanSouth Dakota

2026 Elections

2026 Senate RaceUpcoming
See race detail
Election: November 3, 2026
Cook: Safe RInside: Safe RSabato: Safe RFEC: Safe R
Incumbent:John ThuneR

Candidates (4)

RMike RoundsIncumbent
$1.9M
IBrian Bengs
$329K
DJulian C Beaudion
$180K
RJustin S Mcneal
$130.13