South Dakota's 12th legislative district

South Dakota's 12th 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 Arch Beal since 2015. In the House, it has been represented by Republicans Amber Arlint since 2023 and Greg Jamison since 2021.

Geography
The district is located in southern Sioux Falls within Minnehaha County, the state's most populous county, and Lincoln County, in southeastern South Dakota.