The 1990 South Dakota gubernatorial election took place on November 6, 1990, to elect a governor of South Dakota. Republican governor George S. Mickelson was re-elected, defeating Democratic nominee Bob L. Samuelson. Mickelson died in a plane crash near Zwingle, Iowa on April 19, 1993.
Republican primary
Candidates George S. Mickelson, incumbent governor of South Dakota
Democratic primary
Candidates Bob L. Samuelson, former state senator
General election
Results
References