1986 general · November 4, 1986
1986 South Dakota election results
Every race on South Dakota's ballot in the 1986 general election: winners, margins and seats that changed party.
Races73
Changed party5
Unopposed26%19 races
Incumbents defeated7
U.S. Senate
D 1 · 1 changed party
| Race | Winner | Won by | Notes |
|---|---|---|---|
| South Dakota | Thomas Daschle (D) | 3.2 | Flipped |
Governors
R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| South Dakota | George S. Mickelson (R) | 3.6 |
U.S. House
D 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-AL | Tim Johnson (D) | 18.4 |
South Dakota State Senate
D 12 · R 23 · 4 changed party
South Dakota House of Representatives
D 22 · R 48
| Race | Winner | Won by | Notes |
|---|---|---|---|
| LD-1 | Neil Gleason · Kent E. Frerichs (D) | 10.8 | |
| LD-2 | Steve Cutler · Alfred A. Waltman (REP) | 2.8 | |
| LD-3 | Royal J. Wood · Perry Hier (R) | 1.3 | |
| LD-4 | Doris Kumm · Dale Howlett (REP) | 2.8 | |
| LD-5 | Robert N. Duxbury · Jack Jones (DEM) | 9.1 | |
| LD-6 | Robert Weber · T. Loren Christianson (R) | 5.4 | |
| LD-7 | Mary K. Wagner · Dean M. Krogman (R) | 9.0 | |
| LD-8 | Joyce Hodges · Dean Anderson (R) | 1.3 | |
| LD-9 | Juel Johnson · Sidney R. Knutson (R) | 3.2 | |
| LD-10 | Andrew Wiese · Jerome B. Lammers (DEM) | 10.3 | |
| LD-11 | Pam Nelson · Hemming Oien (DEM) | 0.9 | |
| LD-12 | Debra Anderson · David R. Munson (R) | 4.6 | |
| LD-13 | John Timmer · Marion Wofford (R) | 10.5 | |
| LD-14 | Janice Nicolay · Linda L. Stensland (REP) | 0.3 | |
| LD-15 | Mary Vanderlinde · Patrick Kane (D) | Unopposed | |
| LD-16 | Howard Kennedy · Michael Oconnor (REP) | 2.0 | |
| LD-17 | Larry A. Nelson · Mary B. Edelen (DEM) | 3.2 | |
| LD-18 | Gary Bender · Edward Vangerpen (R) | 9.9 | |
| LD-19 | Loren Anderson · L. L. Mean (R) | 2.8 | |
| LD-20 | Albert Kocer · Gordon Mickelson (D) | 15.7 | |
| LD-21 | Jean T. Beddow · Ed Olson (DEM) | 1.2 | Incumbent lost |
| LD-22 | Malcolm C. McKillop · Dennis Vanoverschelde (REP) | 0.4 | Incumbent lost |
| LD-23 | Doug Fosheim · Deb Kuhler (DEM) | 0.1 | Incumbent lost |
| LD-24 | Bernard W. Christenson · Peggy Cruse (REP) | 3.0 | Incumbent lost |
| LD-25 | Walter L. Zabel · Gust Kundert (R) | 17.1 | |
| LD-26 | Kenneth McNenny · Marie Ingalls (R) | 4.4 | |
| LD-27 | Larry Gabriel · Roger Porch (R) | Unopposed | |
| LD-28 | Richard Hagen · Wesley Elwood (D) | 20.4 | |
| LD-29 | William F. Cerny · Albert Schramm (D) | 1.8 | Incumbent lost |
| LD-30 | Gordon R. Pederson · Elmer E. Flatt (R) | 8.5 | |
| LD-31 | Jim Hood · Harvey Krautschun (R) | 11.9 | |
| LD-32 | Alyce McKay · John Sears (R) | Unopposed | |
| LD-33 | Floyd Matthew · W. A. Tubbs (R) | 0.5 | |
| LD-34 | Don Ham · Knute Knudson (R) | Unopposed | |
| LD-35 | Della M. Wishard · Charles Q. Mateer (R) | 19.6 |
South Dakota
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse); Harvard Dataverse / Carl Klarner; MIT Election Data and Science Lab