South Dakota's 20th legislative district

South Dakota's 20th legislative district is one of 35 districts in the South Dakota Legislature. Each district is represented by 1 senator and 2 representatives. In the Senate, it has been represented by Republican Joshua Klumb since 2017. In the House, it has been represented by Republicans Lance Koth since 2019 and Ben Krohmer since 2023.

Geography
The district is located within Davison, Jerauld, Miner, and Sanborn County in southeastern South Dakota. Its largest city is Mitchell.