District Number

Counties Comprising District

I

Union, Clay, Yankton, Lincoln, Turner

II

Minnehaha, Moody, Lake, Miner

III

Brookings, Kingsbury, Hamlin, Deuel, Codington

IV

Clark, Day, Grant, Roberts, Marshall

V

Brown, McPherson, Campbell, Walworth, Corson, Perkins, Harding

VI

Spink, Faulk, Edmunds, Potter

VII

Aurora, Sanborn, Jerauld, Buffalo, Beadle, Hand, Hyde

VIII

Bon Homme, Hutchinson, Douglas, McCook, Hanson, Davison

IX

Charles Mix, Gregory, Brule, Lyman, Hughes, Sully, Dewey, Stanley, Jones, Tripp, Todd, Mellette, Ziebach, Haakon, Jackson, Bennett, Oglala Lakota, Fall River, Custer, Pennington, Meade, Lawrence, Butte