South Dakota

U.S. Senate representation

Senators

Rounds, Mike

RepublicanSouth Dakota

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