South Dakota's 12th legislative district
| South Dakota's 12th State Senate district | |
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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.