1998 general · November 3, 1998
1998 South Dakota election results
Every race on South Dakota's ballot in the 1998 general election: winners, margins and seats that changed party.
Races73
Changed party0
Unopposed26%19 races
Incumbents defeated4
U.S. Senate
D 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| South Dakota | Thomas Daschle (D) | 25.7 |
Governors
R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| South Dakota | William Janklow (R) | 32.2 |
U.S. House
R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-AL | John Thune (R) | 50.2 |
South Dakota State Senate
D 13 · R 22
South Dakota House of Representatives
D 19 · R 51
| Race | Winner | Won by | Notes |
|---|---|---|---|
| LD-1 | Mike Jaspers · Gary D. Hanson (REP) | 7.3 | |
| LD-2 | Steve Cutler · Duane Sutton (R) | 1.8 | Incumbent lost |
| LD-3 | Elmer Diedtrich · Alfred A. Waltman (REP) | 2.6 | |
| LD-4 | Robert Weber · Larry Diedrich (R) | Unopposed | |
| LD-5 | Burdette C. Solum · Claire B. Konold (R) | 5.8 | |
| LD-6 | Arthur E. Fryslie · Douglas Kazmerzak (REP) | 6.0 | |
| LD-7 | Robert A. Roe · Orville B. Smidt (R) | Unopposed | |
| LD-8 | Daniel D. Sutton · Dale Slaughter (DEM) | 0.7 | Incumbent lost |
| LD-9 | Kevin R. Crisp · Clarence Kooistra (R) | 5.3 | |
| LD-10 | Roger Hunt · Roger Brooks (R) | 10.9 | |
| LD-11 | Kristie Fiegen · Mitch Richter (R) | Unopposed | |
| LD-12 | Judy Rost · John R. McIntyre (REP) | 0.0 | Incumbent lost |
| LD-13 | Mary Patterson · Dana John Windhorst (DEM) | 0.2 | |
| LD-14 | Richard E. Brown · Bill Peterson (R) | 12.1 | |
| LD-15 | Gil Koetzle · Kay Davis (D) | Unopposed | |
| LD-16 | Mike Broderick · Roland Chicoine (REP) | 13.4 | |
| LD-17 | Judy Clark · H. Junior Engbrecht (R) | 0.6 | |
| LD-18 | Donald E. Munson · Matthew Michels (R) | 11.4 | |
| LD-19 | J. E. Putnam · Richard A. Wudel (R) | 1.5 | |
| LD-20 | Louis A. Sebert · Deb Fischerclemens (REP) | 3.8 | |
| LD-21 | Ron J. Volesky · Pat Haley (D) | 18.1 | |
| LD-22 | Joanne Lockner · Quinten L. Burg (D) | 9.3 | |
| LD-23 | Jay L. Duenwald · Jarvis W. Brown (R) | Unopposed | |
| LD-24 | Cooper Garnos · Jeff Monroe (R) | 5.7 | |
| LD-25 | Sam Nachtigal · William F. Cerny (D) | 1.2 | Incumbent lost |
| LD-26 | John Koskan · Kent Juhnke (R) | 9.5 | |
| LD-27 | Richard Hagen · Larry Lucas (D) | 26.3 | |
| LD-28 | Kenneth Wetz · Ted A. Klaudt (R) | 7.4 | |
| LD-29 | Kenneth McNenny · Willard Pummel (R) | Unopposed | |
| LD-30 | Jim Lintz · Mike Koehn (R) | 8.8 | |
| LD-31 | Jerry Apa · Mark Young (R) | 11.1 | |
| LD-32 | Mike Wilson · Thomas L. Hennies (DEM) | 6.1 | |
| LD-33 | Carol E. Fitzgerald · J. P. Duniphan (R) | 17.3 | |
| LD-34 | Scott Eccarius · Mike Derby (R) | Unopposed | |
| LD-35 | William Napoli · Alice McCoy (R) | 9.8 |
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