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Elections · U.S. House · Ohio

2026 Ohio House race, District 15

Mike Carey (Republican), Don Leonard (Democrat) and Brennan Barrington (Libertarian) are on the November 3, 2026 ballot for U.S. House in Ohio District 15, with two certified write-ins, as recorded September 22, 2026.

The November ballot

Carey
$3.3M
Leonard
$607K

Raised so far, filed with the FEC

Also in this race: Brennan Barrington (Libertarian), Gary Josephson (write-in) and Samuel Ronan (write-in).

Faces and bars are the campaigns that hold the seat or have $25,000 raised or outside spending on file; being outside that group is a filing fact, not a mark. A candidate marked write-in is certified to run and their votes count; their name is not printed on the ballot. Not a prediction.

The seat

Mike Carey

Republican · Holds the seat now

First took office 2021 · Age 55

Discloses no individual stock trades.

Cosponsored H.R. 7008, the Stop Insider Trading Act

From the member's own disclosures and congress.gov. Not cosponsoring is not a vote against a ban.

See their record

How to vote in Ohio

  • General electionNovember 3, 2026 

Register 30 days before the election.

All dates and rules
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How they won the primary

The primary · 44,977 votes

  • Don Leonard Won: 52.9% 23,798
  • Adam Miller: 47.1% 21,179

Primary source: Ohio Secretary of State certified Democratic primary results.

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

The money on this race

Raised by candidates
$4.8M
Outside money
$2.4M

Outside money, for and against

Supporting Carey$146K
Opposing Carey$768K
Supporting Leonard$982K
Opposing Leonard$487K

Independent expenditures; direction is each filer's own declared filing. No outside money is on file for or against the other 3 names on this ballot.

Where each candidate's money comes from

1%$51KSmall donors$90K15%
26%$849KLarge donors$493K81%
53%$1.7MPACs$11K2%
<1%$500Party--
--Self-funding$12K2%
20%$657KOther--

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.

Other includes money transferred in from committees the candidate authorized, such as a joint fundraising committee, which reports its own donors to the FEC: Mike Carey $655K.

Who is spending on this race

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

1 to 5 of 11 groups

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

Not on the November ballot

1 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.

How this seat voted last time

R+13 in 2024

  • Mike Carey Won: 56.5%
  • Adam Miller: 43.5%

347,749 votes for candidates. The district's lines have changed since this result. 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.

The district

Census context
People
795K
Median household income
$78K
Unemployment
4.2%
Living below the poverty line
12.2%
Without health insurance
8.0%

U.S. Census Bureau, ACS 2024 5-year estimates. Context about the district, not a statement about any candidate. These figures describe the district as drawn before its lines changed for 2026; estimates for the new lines are not yet published.

More on the Ohio ballot15 House races statewideOhio Senate raceWhere to see your full ballot 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.