1974 general · November 4, 1974
1974 South Dakota election results
Every race on South Dakota's ballot in the 1974 general election: winners, margins and seats that changed party.
Races56
Changed party5
Unopposed5%3 races
Incumbents defeated8
South Dakota State Senate
D 14 · R 14 · 5 changed party
| Race | Winner | Won by | Notes |
|---|---|---|---|
| LD-1 | Curtis Jones (D) | 34.3 | |
| LD-2 | Frances S. Lamont (R) | 3.5 | Incumbent lost |
| LD-3 | Arlo Leddy (D) | 2.8 | |
| LD-4 | Jake Krull (D) | Unopposed | |
| LD-5 | Mary McClure (R) | 1.0 | Flipped |
| LD-6 | John Bibby (R) | 18.9 | |
| LD-7 | Henry A. Poppen (R) | 26.6 | |
| LD-8 | Jack Jackson (D) | 10.3 | |
| LD-9 | Rodney Hall (D) | 1.4 | |
| LD-10 | Harold Schreier (D) | 26.1 | |
| LD-11 | Michael Oconnor (D) | 2.0 | Incumbent lost |
| LD-12 | Harold Anderson (R) | 4.7 | |
| LD-13 | Eugene R. Mahan (D) | 36.4 | |
| LD-14 | William R. Ripp (R) | 19.0 | |
| LD-15 | Kenneth B. Jones (R) | 17.4 | Flipped |
| LD-16 | Jess Tjeerdsma (R) | 2.7 | Flipped |
| LD-17 | George Shanard (R) | 2.3 | |
| LD-18 | Philip Testerman (D) | 1.3 | FlippedIncumbent lost |
| LD-19 | Theodore Lerew (D) | Unopposed | |
| LD-20 | Leroy G. Hoffman (R) | 33.2 | |
| LD-21 | William L. Grams (R) | 9.6 | |
| LD-22 | G. Homer Harding (R) | 39.9 | |
| LD-23 | Clint Roberts (R) | 22.5 | |
| LD-24 | Billie H. Sutton (D) | 11.2 | |
| LD-25 | Charles Flyte (D) | 1.9 | FlippedIncumbent lost |
| LD-26 | James B. Dunn (R) | 17.5 | |
| LD-27 | Grace Mickelson (D) | 1.0 | Incumbent lost |
| LD-28 | John R. Riedy (D) | 16.3 |
South Dakota House of Representatives
D 24 · R 34
| Race | Winner | Won by | Notes |
|---|---|---|---|
| LD-1 | Bertrum E. Ellingson · Kent E. Frerichs (D) | 10.6 | |
| LD-2 | Joseph Barnett · Royal J. Wood · Bernie Kopecky · R. Lars Herseth (REP) | 0.4 | Incumbent lost |
| LD-3 | Robert Weber · Ingeman Jensen (R) | 6.3 | |
| LD-4 | James Endres · Gary Drake (D) | 6.2 | |
| LD-5 | Willis Danekas · Maurice A. Olson (D) | Unopposed | |
| LD-6 | George S. Mickelson · Wayne Hauschild (REP) | 2.8 | |
| LD-7 | Gene Warkenthien · Milton Lakness (R) | 2.5 | |
| LD-8 | Kenneth Kauth · Menno Tschetter (D) | 5.7 | |
| LD-9 | Merwyn H. Walter · Duaine Swenson (D) | 4.8 | |
| LD-10 | Roy M. Johnson · Andrew Wiese (D) | 6.3 | |
| LD-11 | Dennis C. McFarland · Lowell C. Hansen (DEM) | 0.2 | Incumbent lost |
| LD-12 | O. L. Anderson · Joe M. Groseth (R) | 3.7 | |
| LD-13 | Mary B. Edelen · Michael Curran (REP) | 3.3 | |
| LD-14 | Leroy J. Kaufman · D. B. Clements (R) | 9.2 | |
| LD-15 | Jerome Radack · Derald B. Gallhaus (DEM) | 1.1 | |
| LD-16 | Lyle Mensch · Robert E. Lyons (D) | 4.8 | |
| LD-17 | Dorothy Nepstad · Stanley Johnson (R) | 8.6 | |
| LD-18 | Ronald K. Miller · James A. Burg (REP) | 0.3 | |
| LD-19 | James W. Kesling · Gene Robbennolt (REP) | 9.6 | |
| LD-20 | Dean O. Mehlhaff · James Stoick (R) | 13.2 | |
| LD-21 | Leslie J. Kleven · Walter D. Miller (R) | 8.9 | |
| LD-22 | Benny J. Gross · Neil Clarke (R) | 6.0 | |
| LD-23 | Marvis T. Hogen · William M. Jensen (R) | 7.0 | |
| LD-24 | Harold Sieh · Fred M. Littau (R) | 4.3 | Incumbent lost |
| LD-25 | Joel Richenbach · Violet Biever (REP) | 1.4 | |
| LD-26 | Ralph M. Tysdal · Beverly Halling (R) | 14.8 | |
| LD-27 | Robert J. Knutson · Carl Ham (DEM) | 1.0 | |
| LD-28 | Harold Millett · G. F. Mortimer (R) | 7.9 |
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