1978 general · November 7, 1978
1978 Missouri State Senate election results, district by district
Every Missouri State Senate district in the 1978 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 34 seats
After the electionD 23 · R 11
Races17
Changed party1
Unopposed12%2 races
Incumbents defeated0
Every district
D 12 · R 5
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-2 | Joe Frappier (R) | 9.9 | |
| SD-4 | Gwen B. Giles (D) | 85.8 | |
| SD-6 | Al Mueller (D) | 61.3 | |
| SD-8 | Don Manford (D) | 48.6 | |
| SD-10 | Harry Wiggins (D) | 31.9 | |
| SD-12 | Hardin Cox (D) | 24.7 | |
| SD-14 | John D. Schneider (D) | 51.2 | |
| SD-16 | Clarence H. Heflin (D) | 9.3 | |
| SD-18 | Norman Merrell (D) | 34.6 | |
| SD-20 | Marvin L. Dinger (D) | 3.8 | |
| SD-22 | Clifford W. Gannon (D) | Unopposed | |
| SD-24 | Edwin L. Dirck (D) | 56.8 | |
| SD-26 | George E. Murray (R) | 25.4 | |
| SD-28 | David Doctorian (R) | 9.7 | Flipped |
| SD-30 | Paul Bradshaw (R) | 4.8 | |
| SD-32 | Richard M. Webster (R) | Unopposed | |
| SD-34 | Truman E. Wilson (D) | 49.5 |
Missouri 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