1978 primaries · May 1, 1978
1978 Missouri primaries results
Every race on Missouri's ballot in the 1978 primaries: winners, margins and seats that changed party.
Races310
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-2 · Democratic primary | Jerry F. Welch (D) | 14.9 | |
| SD-2 · Republican primary | Joe Frappier (R) | Unopposed | |
| SD-4 · Democratic primary | Gwen B. Giles (D) | 79.8 | |
| SD-4 · Republican primary | Frank Washington (R) | Unopposed | |
| SD-6 · Democratic primary | Al Mueller (D) | Unopposed | |
| SD-6 · Republican primary | Paul J. Kiel (R) | Unopposed | |
| SD-8 · Democratic primary | Don Manford (D) | Unopposed | |
| SD-8 · Republican primary | Ed Slocum (R) | Unopposed | |
| SD-10 · Democratic primary | Harry Wiggins (D) | Unopposed | |
| SD-10 · Republican primary | Jay D. Slaton (R) | Unopposed | |
| SD-12 · Democratic primary | Hardin Cox (D) | Unopposed | |
| SD-12 · Republican primary | Max A. Edwards (R) | Unopposed | |
| SD-14 · Democratic primary | John D. Schneider (D) | Unopposed | |
| SD-14 · Republican primary | Tom Matheny (R) | Unopposed | |
| SD-16 · Democratic primary | Clarence H. Heflin (D) | 32.6 | |
| SD-16 · Republican primary | Gerald E. Winship (R) | Unopposed | |
| SD-18 · Democratic primary | Norman Merrell (D) | Unopposed | |
| SD-18 · Republican primary | Orin F. Schwanke Jr. (R) | Unopposed | |
| SD-20 · Democratic primary | Marvin L. Dinger (D) | Unopposed | |
| SD-20 · Republican primary | A. G. Tindall (R) | Unopposed | |
| SD-22 · Democratic primary | Clifford W. Gannon (D) | Unopposed | |
| SD-24 · Democratic primary | Edwin L. Dirck (D) | 50.2 | |
| SD-24 · Republican primary | Ted Smith (R) | Unopposed | |
| SD-26 · Democratic primary | George D. Weber (D) | Unopposed | |
| SD-26 · Republican primary | George E. Murray (R) | Unopposed | |
| SD-28 · Democratic primary | Vernon King (D) | 18.8 | |
| SD-28 · Republican primary | David Doctorian (R) | Unopposed | |
| SD-30 · Democratic primary | Jim Kelly (D) | Unopposed | |
| SD-30 · Republican primary | Paul Bradshaw (R) | Unopposed | |
| SD-32 · Republican primary | Richard M. Webster (R) | Unopposed | |
| SD-34 · Democratic primary | Truman E. Wilson (D) | Unopposed | |
| SD-34 · Republican primary | J. B. Chappell (R) | Unopposed |
Missouri
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