1970 general · November 3, 1970
1970 South Dakota State Senate election results, district by district
Every South Dakota State Senate district in the 1970 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Republicans controlled the chamber · 35 seats
After the electionD 11 · R 24
Races29
Changed party6
Unopposed31%9 races
Incumbents defeated5
Every district
D 9 · R 20
| Race | Winner | Won by | Notes |
|---|---|---|---|
| LD-1 | Curtis Jones (D) | 9.3 | |
| LD-2 | Allen Sperry (D) | 1.7 | FlippedIncumbent lost |
| LD-3 | Louis L. Johnson (R) | 10.1 | |
| LD-4 | Thomas Green (R) | Unopposed | |
| LD-5 | Wilmont M. Uecker (D) | 10.2 | |
| LD-6 | Paul Brown (R) | 21.9 | |
| LD-7 | Henry A. Poppen (R) | 11.7 | |
| LD-8 | Leland L. Steele (R) | 3.3 | |
| LD-9 | Rodney Hall (D) | 5.8 | |
| LD-10 | Harold Schreier (D) | 6.9 | Flipped |
| LD-11 | Holger Anderson (R) | 0.0 | Incumbent lost |
| LD-12 | Robert T. Collingwood (D) | 1.0 | FlippedIncumbent lost |
| LD-13 | Lloyd Schrag (R) | Unopposed | |
| LD-14 | William R. Ripp (R) | Unopposed | |
| LD-15 | Don Bierle (R) | Unopposed | |
| LD-16 | Frank Novotny (D) | Unopposed | |
| LD-17 | A. A. Quintal (R) | 17.6 | |
| LD-18 | Robert Miller (R) | 7.5 | Flipped |
| LD-19 | Harvey Wollman (D) | 26.2 | |
| LD-20 | Eldon L. Smith (R) | 18.4 | |
| LD-21 | A. W. Spiry (R) | Unopposed | |
| LD-22 | William L. Grams (R) | Unopposed | |
| LD-23 | G. Homer Harding (R) | 21.7 | |
| LD-24 | Robert Burns (R) | Unopposed | |
| LD-25 | John P. Flynn (R) | 1.5 | FlippedIncumbent lost |
| LD-26 | Kenneth A. Trask (R) | Unopposed | |
| LD-27 | Joe R. Dunmire (R) | 14.0 | |
| LD-28 | Charles E. Donnelly Jr. (D) | 0.5 | FlippedIncumbent lost |
| LD-29 | Alfred J. Burke (R) | 18.5 |
South Dakota State Senate
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