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Markwayne Mullin

R
U.S. Senator · Oklahoma · 113th-119th, 12 years 10 months
Overview of the Representative's office, activities, and communications.

About

Mullin, Markwayne a Senator and a Representative from Oklahoma; born in Tulsa, Tulsa County, Okla., July 26, 1977; an enrolled member of the Cherokee Nation; graduated from Stillwell High School, Stillwell, Okla.; attended Missouri Valley College, Marshall, Mo., 1996; A.A.S., Oklahoma State University Institute of Technology, Okmulgee, Okla., 2010; business owner; plumber; rancher; elected as a Republican to the One Hundred Thirteenth and to the four succeeding Congresses (January 3, 2013-January 3, 2023); was not a candidate for reelection to the House of Representatives but was elected as a Republican to the United States Senate in a special election on November 8, 2022, to fill the vacancy caused by the resignation of James Inhofe, for the term ending January 3, 2027, and took the oath of office on January 3, 2023.

Official Biography · U.S. Congress.
Years served
12
Bills introduced
23
Enacted
0
Cosponsored
157

Performance & Participation

Votes CastBottom 25%
94% — Voted in null of null roll call votes this congress.
Avg 97% · Most: 100% · Least: 87%
Vote IndependenceMiddle 50%
0.7% — Voted against their own party majority 5 of 683 times.
Avg 2.8% · Most independent: 19.0% · Most party-line: 0.0%
DHS Secures Defense of Live‑Streaming Hasan's Execution
Headtopics · Oct 12, 2026
Trump’s DHS Chief Offers Wild Justification for ICE Killings
The Daily Beast · Oct 11, 2026
US Homeland Security secretary sees no ‘risk’ from livestreamed execution
Al Jazeera · Oct 11, 2026
Full transcript of "Face the Nation with Margaret Brennan," Oct. 11, 2026
CBS News · Oct 11, 2026
Trump is setting a trap — and Americans may not see it until it's too late
Alternet · Oct 10, 2026
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On the ballot Nov 3, 2026
Oklahoma U.S. Senate Seat (Class II)
View the Race →Candidate Page →
District
View Office Details →
2026 Campaign Finance
$4.8M
Raised
18%
Individual
23%
PAC
—
Small $
1,813
Donors
Individual 18%PAC 23%Other 59%
Top PAC Donors
NRSC$62K
ALABAMA FIRST PAC$10K
AMERICAN CRYSTAL SUGAR COMPANY POLITICAL ACTION COMMITTEE$10K
AMERICAN EXCELLENCE PAC$10K
ARKANSAS FOR LEADERSHIP POLITICAL ACTION COMMITTEE (ARKPAC)$10K
View All Campaigns →
Data sourced from official congressional records, CRS, and FEC filings. AllCiv Score methodology available at allciv.com/methodology.