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Elections · U.S. House · Oklahoma

2026 Oklahoma House race, District 1

John Croisant (Democrat) and Mark Tedford (Republican) are on the November 3, 2026 ballot for U.S. House in Oklahoma District 1, as recorded September 21, 2026 from the Oklahoma State Election Board.

The November ballot

Tedford
$1.8M
Croisant
$142K

Raised so far, filed with the FEC

Official candidate list: Oklahoma State Election Board. Not a prediction.

The seat

Kevin Hern

Republican · Holds the seat now

First took office 2018 · Age 64

Not on the November ballot

See their record

How to vote in Oklahoma

  • General electionNovember 3, 2026 

Register 25 days before the election.

All dates and rules
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How they won the primary

Republican primaryRunoff ahead

First round · 72,253 votes

  • Mark Tedford: 32.2% 23,230
  • Jackson Lahmeyer: 25.9% 18,699
  • Nathan Butterfield: 16.0% 11,532
  • Kim David: 6.5% 4,722
  • Jed Cochran: 4.7% 3,419

6 more candidates in the full results at the source named below.

Primary results as recorded October 12, 2026, ordered by votes. Source: Official election results. A primary result is a recorded fact about a past contest, not a prediction of November.

The money on this race

Raised by candidates
$5.2M
Outside money
$623K

Outside money, for and against

Supporting Tedford$95K
Opposing Tedford-
Supporting Croisant-
Opposing Croisant-

Independent expenditures; direction is each filer's own declared filing. The other $528K of the race's $623K was spent on candidates not listed here.

Where each candidate's money comes from

33%$47KSmall donors$6K<1%
66%$94KLarge donors$396K23%
--PACs$61K3%
<1%$1KSelf-funding$1.3M74%

Small donors give $200 or less; PACs are political action committees. Shares of each candidate's own receipts on file with the FEC. Outside money is not part of these figures.

Who is spending on this race

The largest groups spending independently here, ranked; open a row for whose race the money went into.

Independent expenditures reported to the FEC; direction is each group's own declared filing.

Not on the November ballot

14 filed

Primary candidates who did not advance, committees still on file, and candidacies that ended. Being here is a filing fact, not a mark against anyone.

The district

Census context
People
810K
Median household income
$71K
Unemployment
5.1%
Living below the poverty line
13.8%
Without health insurance
12.9%

U.S. Census Bureau, ACS 2024 5-year estimates. Context about the district, not a statement about any candidate.

How this seat voted last time

R+26 in 2024

  • Kevin Hern Won: 60.4%
  • Dennis Baker: 34.5%

312,501 votes for candidates. Other candidates and write-ins took the remaining 5.1%. A past result is a filed fact, not a prediction of November.

Certified returns via MIT Election Data and Science Lab, from the House Clerk's election statistics and state canvasses.

More on the Oklahoma ballot5 House races statewideOklahoma Senate raceYour full ballot at the OK Voter Portal Find your races by ZIP →

Candidates and financing from the FEC, public domain. Candidate totals are reported to the FEC through June 30, 2026. Outside money is the FEC's processed total of independent expenditures plus the 24- and 48-hour reports filed since each group's latest regular report. It covers this two-year cycle, the same as the candidate totals. Dataset built 2026-10-12. Nothing here is a forecast, a grade, or a ranking of candidates.