1974 general · November 4, 1974
1974 South Dakota House of Representatives election results, district by district
Every South Dakota House of Representatives district in the 1974 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Republicans controlled the chamber · 70 seats
After the electionD 33 · R 37
Races28
Changed party0
Unopposed4%1 races
Incumbents defeated3
Every district
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 House of Representatives
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