Primary
Primary held June 16, 2026.
Democratic Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Jasmine Thomas | 76,330 | 45.2% | |
| Jim Priest | 40,290 | 23.9% | |
| Troy Green | 33,492 | 19.8% | |
| Ervin Yen | 11,363 | 6.7% | |
| R.O. Joe Cassity Jr. | 7,421 | 4.4% |
Republican Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Kevin Hern ✓ | 267,222 | 69.8% | |
| Gary Ty England | 51,875 | 13.5% | |
| William Sean Buckner | 26,444 | 6.9% | |
| Brian Ragain | 22,478 | 5.9% | |
| Nick Hankins | 15,066 | 3.9% |
Runoff: Tuesday, August 25, 2026
Full calendar and every race: Oklahoma primary guide
Race Overview
Candidates
Average reflects all polls from the last 90 days; table shows the most recent 30 days or the newest 3 polls, whichever is more. How accurate is each pollster? →
No polls in the last 90 days.
Questions About This Race
Is the 2026 Oklahoma Senate race competitive?
No — the expert consensus rates it Safe R for Republicans.
When is the 2026 Oklahoma Senate race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average is the unweighted mean of every scientific public poll of the race from the last 90 days — we do not exclude pollsters. Each race page lists the individual polls behind the average with pollster, field dates, sample size, and margin of error. Full details: pollingsource.com/methodology.
Race Notes
OPEN SEAT: Mullin resigned July 2026 to lead DHS — the seat was already up for its first full term this cycle (2022 special covered Inhofe's unexpired term). Kevin Hern is the Republican nominee; the Democratic nominee comes from the Aug 25 runoff (Jasmine Thomas vs Jim Priest). Won 2022 special (Inhofe seat); first full-term election (Lankford up 2028)
Independent Expenditures Updated 4 hours ago
Top Spenders
- DEFENDING OUR VALUES PAC $808,341
- DEFEND AMERICAN JOBS $735,613
- AMERICAN MISSION $473,518
- FELLOWSHIP PAC $300,000
- SENATE CONSERVATIVES FUND $62,172
Full outside-spending research — every committee, every race →