the current make-up of the Senate
Our Work
South Dakota
South Dakota’s current U.S. Senators are John Thune (R) and Mike Rounds (R). John Thune has served since 2005. Mike Rounds has served since 2015. South Dakota’s next U.S. Senate election is in 2026.
Senate Majority PAC is working to continue supporting Democratic candidates up and down the ballot. Every grassroots donation matters, donate now.
Current Senators
John Thune (R)
Election Year: 2028
Mike Rounds (R)
Election Year: 2026
