District 1:  Bennett, Butte, Custer, Fall River, Haakon, Harding, Jackson, Lawrence, Meade, Pennington, Perkins, Shannon and Ziebach Counties

District 2:  Brule, Buffalo, Campbell, Corson, Dewey, Edmunds, Faulk, Gregory, Hand, Hughes, Hyde, Jerauld, Jones, Lyman, McPherson, Mellette, Potter, Stanley, Sully, Todd, Tripp and Walworth Counties

District 3:  Aurora, Bon Homme, Charles Mix, Clay, Davison, Douglas, Hanson, Hutchinson, Lake, Lincoln, McCook, Miner, Minnehaha, Moody, Sanborn, Turner, Union and Yankton Counties

District 4;  Beadle, Brookings, Brown, Clark, Codington, Day, Deuel, Grant, Hamlin, Kingsbury, Marshall, Roberts and Spink Counties