2026 GENERAL
U.S. Senate · South Dakota
One seat · current holder Mike Rounds (R) · 4 candidates declared
Voter reg deadline—
Early voting opens—
Election day● Nov 3, 2026
Runoff (if needed)—
Candidates
Republican
Republican
No positions taken yet.
Mike RoundsIncumbent
RepublicanNo positions taken yet.
Democratic
Democratic
No positions taken yet.
Independent
Independent
No positions taken yet.