2018 general · November 6, 2018
2018 Oklahoma State Senate election results, district by district
Every Oklahoma State Senate district in the 2018 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Republicans controlled the chamber · 48 seats
After the electionD 8 · R 40
Races24
Changed party5
Unopposed21%5 races
Incumbents defeated0
Every district
D 7 · R 17
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-2 | Marty Quinn (R) | 26.0 | |
| SD-4 | Mark Allen (R) | 26.3 | |
| SD-6 | David Bullard (R) | 31.8 | |
| SD-8 | Roger Thompson (R) | 20.8 | |
| SD-10 | Bill Coleman (R) | Unopposed | |
| SD-12 | James Leewright (R) | 48.6 | |
| SD-14 | Frank Simpson (R) | 40.5 | |
| SD-16 | Mary Boren (D) | 25.8 | |
| SD-18 | Kim David (R) | 32.4 | |
| SD-20 | Chuck Hall (R) | 40.2 | |
| SD-22 | Stephanie Bice (R) | 36.5 | |
| SD-24 | Darrell Weaver (R) | 27.0 | |
| SD-26 | Darcy Jech (R) | Unopposed | |
| SD-28 | Jason Smalley (R) | 46.7 | |
| SD-30 | Julia Kirt (D) | 8.8 | Flipped |
| SD-32 | John Michael Montgomery (R) | 10.3 | Flipped |
| SD-34 | J. J. Dossett (D) | Unopposed | Flipped |
| SD-36 | John Haste (R) | 24.3 | |
| SD-38 | Brent Howard (R) | 30.3 | |
| SD-40 | Carri Hicks (D) | 19.1 | Flipped |
| SD-42 | Brenda Stanley (R) | 7.6 | |
| SD-44 | Michael Brooks (D) | Unopposed | Flipped |
| SD-46 | Kay Floyd (D) | Unopposed | |
| SD-48 | George E. Young (D) | 63.8 |
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; MIT Election Data and Science Lab