1978 primaries · May 1, 1978
1978 Oklahoma State Senate primary results, district by district
Every Oklahoma State Senate district in the 1978 primaries: winners, margins, unopposed seats and seats that changed party.
Races16
Every district
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-2 · Democratic primary | No winner recorded | — | |
| SD-4 · Democratic primary | Joe Johnson (D) | 29.0 | |
| SD-8 · Democratic primary | No winner recorded | — | |
| SD-14 · Democratic primary | Ernest D. Martin (D) | 10.8 | |
| SD-20 · Democratic primary | John A. Heinze (D) | 29.3 | |
| SD-20 · Republican primary | Don Nickles (R) | 37.1 | |
| SD-22 · Democratic primary | Gideon Tinsley (D) | 7.6 | |
| SD-24 · Democratic primary | Kenneth K. Landis (D) | 6.1 | Incumbent lost |
| SD-34 · Democratic primary | Robert V. Cullison (D) | 28.6 | Incumbent lost |
| SD-40 · Democratic primary | No winner recorded | — | |
| SD-40 · Republican primary | No winner recorded | — | |
| SD-46 · Democratic primary | No winner recorded | — | |
| SD-48 · Democratic primary | No winner recorded | — | Incumbent lost |
| SD-50 · Democratic primary | Jeff Johnston (D) | 45.6 | |
| SD-54 · Democratic primary | Don Cummins (D) | 51.1 | |
| SD-54 · Republican primary | Jim Forrester (R) | 38.3 |
Oklahoma 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