South Dakota Congressional Delegation

Last updated: 2026-03-01

South Dakota has 1 representative in the U.S. House as an at-large district. Like all states, South Dakota is represented by 2 U.S. Senators: John Thune (Republican) and Mike Rounds (Republican). Explore term end dates and election timing for each seat below.

For statewide context, explore the Senate class schedule and upcoming election cycles.