Federal race · 2022

Oklahoma U.S. Senate special election, 2022

Primary: June 28, 2022 ·

Money raised

  1. Markwayne Mullin (R)$5.6M raised · $55K on hand
  2. T.w. Shannon (R)$1.4M raised · $2K on hand
  3. Alex Gray (R)$461K raised · $0 on hand

Raised Cash on hand · bars are blue for Democrats, red for Republicans, gray for others

Candidates

CandidateStatusRaisedSpentCash on handThrough
Markwayne Mullin (R)Won the general election (61.77%)$5,569,955.21$6,125,259.47$55,005.692022-12-31
T.w. Shannon (R)Lost primary runoff$1,381,684.76$1,379,687.76$1,997.002022-12-31
Alex Gray (R)Withdrawn$461,229.10$461,229.10$0.002022-10-09

Totals from the FEC candidate summary file, retrieved October 23, 2026. A dated snapshot, not live reporting; each candidate’s FEC page is the official source.

Total spent on this race

$5,591,834.20 = candidates’ own spending $1,648,949.47 + outside spending $3,942,884.73

CandidateOutside spending forAgainstElectioneering and member messages
T.w. Shannon$2,573,619.00$0.00$0.00
Markwayne Mullin$1,369,265.73$0.00$0.00

Candidates’ own spending is their committees’ disbursements less transfers to other committees, contributions to others, loan repayments and refunds (FEC committee summary). Outside spending is independent expenditures, electioneering communications and company or union member communications for or against these candidates (FEC totals by candidate from regular reports, retrieved October 24, 2026; the latest 24- and 48-hour notices are not included yet). Party coordinated spending is not split by race and is not included. All the money

Polling and ratings

Race ratings

Recent polls

PollsterDatesSampleMargin of errorResults
Ascend Action (R)November 5–6, 2022682 (LV)± 3.8%Markwayne Mullin 53% · Kendra Horn 41%
Amber Integrated (R)October 26–28, 2022501 (LV)± 4.4%Markwayne Mullin 52% · Kendra Horn 41%
Emerson CollegeOctober 25–28, 20221,000 (LV)± 3.0%Markwayne Mullin 56% · Kendra Horn 35%
Ascend Action (R)October 24–28, 2022749 (LV)± 3.6%Markwayne Mullin 47% · Kendra Horn 41%
Amber Integrated (R)October 13–15, 2022500 (LV)± 4.4%Markwayne Mullin 52% · Kendra Horn 39%
Ascend Action (R)October 10–12, 2022638 (LV)± 3.9%Markwayne Mullin 50% · Kendra Horn 39%

Ratings and polls as listed on Wikipedia: 2022 United States Senate special election in Oklahoma (retrieved October 23, 2026), licensed CC BY-SA 4.0. TerraCivic does not rate races or compute its own average.

Results

CandidatePartyVotesShare
Markwayne MullinRepublican Party710,64361.77%
Kendra HornDemocratic Party405,38935.24%
Robert MurphyLibertarian Party17,3861.51%
Ray WoodsIndependent17,0631.48%

As listed on Wikipedia; official results come from the state election office.

TerraCivic shows public filings without scores, grades or judgments about any candidate.

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