2018 general · November 6, 2018

2018 Oklahoma election results

Every race on Oklahoma's ballot in the 2018 general election: winners, margins and seats that changed party.

Races134

Changed party17

Unopposed25%33 races

Incumbents defeated2

Governors

R 1

Race	Winner	Won by	Notes
Oklahoma	Kevin Stitt (R)	12.1

R 3

Race	Winner	Won by
Oklahoma Attorney General	Mike Hunter (R)	28.1
Oklahoma Lieutenant Governor	Matt Pinnell (R)	27.4
Oklahoma Treasurer	Randy McDaniel (R)	43.2

D 1 · R 4 · 1 changed party

Race	Winner	Won by	Notes
OK-1	Kevin Hern (R)	18.6
OK-2	Markwayne Mullin (R)	34.9
OK-3	Frank Lucas (R)	47.7
OK-4	Tom Cole (R)	30.1
OK-5	Kendra S. Horn (D)	1.4	Flipped

D 7 · R 17 · 5 changed party

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

D 25 · R 76 · 11 changed party

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