1980 general · November 4, 1980
1980 South Dakota election results
Every race on South Dakota's ballot in the 1980 general election: winners, margins and seats that changed party.
Races60
Changed party6
Unopposed22%13 races
Incumbents defeated11
President
R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| South Dakota | Ronald Reagan (R) | 28.8 |
U.S. Senate
R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| South Dakota | James Abdnor (R) | 18.8 |
U.S. House
D 1 · R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | Thomas Daschle (D) | 31.6 | |
| SD-2 | Clint Roberts (R) | 16.8 |
South Dakota State Senate
D 9 · R 19 · 6 changed party
| Race | Winner | Won by | Notes |
|---|---|---|---|
| LD-1 | Curtis Jones (D) | Unopposed | |
| LD-2 | Frances S. Lamont (R) | 11.0 | Incumbent lost |
| LD-3 | Harold Halverson (R) | Unopposed | |
| LD-4 | Jake Krull (D) | 9.2 | |
| LD-5 | Mary McClure (R) | 24.3 | |
| LD-6 | John Bibby (R) | Unopposed | |
| LD-7 | Henry A. Poppen (R) | Unopposed | |
| LD-8 | Leland Kleinsasser (R) | 10.8 | Flipped |
| LD-9 | Clyde E. Streff (R) | 22.5 | |
| LD-10 | Wallace B. Hanson (R) | 13.5 | Flipped |
| LD-11 | Michael Oconnor (D) | 0.3 | FlippedIncumbent lost |
| LD-12 | Roger McKellips (D) | 21.3 | Flipped |
| LD-13 | Eugene R. Mahan (D) | 34.4 | |
| LD-14 | William R. Ripp (R) | Unopposed | |
| LD-15 | Donald C. Peterson (R) | 30.2 | |
| LD-16 | Carrol Allen (D) | 8.6 | |
| LD-17 | George Shanard (R) | Unopposed | |
| LD-18 | Robert N. Duxbury (D) | 3.0 | |
| LD-19 | Robert Hoffman (R) | 22.4 | |
| LD-20 | James Stoick (R) | Unopposed | |
| LD-21 | Bob Samuelson (D) | 4.0 | Flipped |
| LD-22 | G. Homer Harding (R) | Unopposed | |
| LD-23 | Marvis T. Hogen (R) | 9.0 | |
| LD-24 | Doris Miner (D) | 22.9 | |
| LD-25 | John D. Manke (R) | 10.2 | FlippedIncumbent lost |
| LD-26 | James B. Dunn (R) | 24.8 | |
| LD-27 | Lyndell Petersen (R) | 1.2 | Incumbent lost |
| LD-28 | John L. Brown (R) | 33.7 |
South Dakota House of Representatives
D 19 · R 38 · Other 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| LD-1 | Kent E. Frerichs · Neil Gleason (D) | 1.8 | |
| LD-2 | Joseph Barnett · Royal J. Wood · R. Lars Herseth · David S. Lausten (REP) | 1.2 | |
| LD-3 | Robert Weber · T. Loren Christianson (R) | Unopposed | |
| LD-4 | Doris Kumm · Dorothy M. Kellogg (REP) | 0.6 | Incumbent lost |
| LD-5 | Maurice A. Olson · Willis Danekas (D) | Unopposed | |
| LD-6 | Mary K. Wagner · Sheldon Cotton (IND) | 2.8 | Incumbent lost |
| LD-7 | Dean Anderson · Gene Warkenthien (R) | Unopposed | |
| LD-8 | Robert Eichman · Ron J. Volesky (R) | 5.6 | |
| LD-9 | John V. Terveen · Malcolm C. McKillop (R) | 1.5 | |
| LD-10 | Jerome B. Lammers · Andrew Wiese (REP) | 7.2 | |
| LD-11 | Debra Anderson · David R. Munson (R) | 0.1 | Incumbent lost |
| LD-12 | Marvin Skie · Howard Kennedy (R) | 8.0 | |
| LD-13 | Tim Johnson · Roland Chicoine (D) | 0.1 | Incumbent lost |
| LD-14 | D. B. Clements · Tarrel R. Miller (R) | 20.4 | |
| LD-15 | Francis R. Thieman · Frank J. Brady (REP) | 8.6 | |
| LD-16 | Albert Kocer · Roland Vangerpen (DEM) | 0.1 | Incumbent lost |
| LD-17 | Dennis Pierson · Dean E. Wieczorek (DEM) | 2.3 | Incumbent lost |
| LD-18 | James A. Burg · Harold D. Koch (DEM) | 0.1 | |
| LD-19 | Gene Robbennolt · Andy J. Barondeau (D) | 0.6 | |
| LD-20 | Eugene H. Wiest · Walter L. Zabel (R) | 17.9 | |
| LD-21 | George E. Blair · Walter D. Miller (R) | Unopposed | |
| LD-22 | J. F. Forney · Benny J. Gross (R) | Unopposed | |
| LD-23 | Glenn Freeman · Eugene Christensen (R) | 2.7 | |
| LD-24 | Harold Sieh · William F. Cerny (REP) | 1.6 | |
| LD-25 | Joel Richenbach · Violet Biever (REP) | 3.0 | |
| LD-26 | Kay S. Jorgensen · Reed C. Richards (REP) | 1.9 | |
| LD-27 | Don Ham · Gordon R. Pederson (R) | 0.6 | Incumbent lost |
| LD-28 | G. F. Mortimer · N. F. Lyon (R) | 8.7 |
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: Harvard Dataverse / Carl Klarner; MIT Election Data and Science Lab