South Dakota

South Dakota Senate 2026

Safe RPrimary

Incumbent: Mike Rounds (R)

Senator Mike Rounds, a Republican, is seeking a third term in South Dakota. Recent statewide contests in the state have favored Republicans, and the editors rate this seat safe Republican.

Democratic Primary

No candidates yet

Republican Primary

Mike Rounds

U.S. Senator (incumbent)

66.0%

Justin McNeal

Republican candidate

18.0%

Polling

Insufficient data for trend chart

Recent Polls(1)

Mason-Dixon

2026-04-20

n 500RV

Rounds66%

McNeal18%

			Pop	Rounds	McNeal
2026-04-20	Mason-Dixon	500	RV	66%	18%

Prediction Markets

No prediction market data available