Federal race · 2026
Ohio U.S. House, District 15, 2026
Primary: May 5, 2026 · General election: November 3, 2026
Money raised
- Mike Carey (R)$4.2M raised · $370K on hand
- Don Ralph Leonard (D)$1.3M raised · $98K on hand
- Adam Clay Miller (D)$907K raised · $93 on hand
Raised Cash on hand · bars are blue for Democrats, red for Republicans, gray for others
Candidates
| Candidate | Status | Raised | Spent | Cash on hand | Through |
|---|---|---|---|---|---|
| Mike Carey (R) | General-election nominee | $4,184,981.49 | $3,975,932.73 | $370,343.07 | 2026-10-14 |
| Don Ralph Leonard (D) | General-election nominee | $1,329,843.67 | $1,232,136.96 | $97,706.71 | 2026-10-14 |
| Adam Clay Miller (D) | Lost primary | $907,014.93 | $910,535.89 | $92.67 | 2026-09-30 |
| Samuel Ronan (R) | Lost primary | $0.00 | $1,000.00 | −$9,856.66 | 2026-10-14 |
1 registered candidate with no financial reports yet
- Brennan Barrington (Libertarian) · General-election nominee
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
$6,456,790.49 = candidates’ own spending $5,948,441.93 + outside spending $508,348.56
| Candidate | Outside spending for | Against | Electioneering and member messages |
|---|---|---|---|
| Don Ralph Leonard | $13,009.87 | $321,868.80 | $0.00 |
| Mike Carey | $0.00 | $173,469.89 | $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
| Pollster | Dates | Sample | Margin of error | Results |
|---|---|---|---|---|
| Hart Research (D) | October 9–12, 2026 | 503 (LV) | – | Mike Carey 45% · Don Leonard 48% |
| Hart Research (D) | September 22–24, 2026 | 500 (LV) | – | Mike Carey 45% · Don Leonard 46% |
| Hart Research (D) | August 6–9, 2026 | 401 (LV) | ± 4.9% | Mike Carey 41% · Don Leonard 37% · Brennan Barrington 10% |
| Hart Research (D) | June 23–25, 2026 | 550 (LV) | – | Mike Carey 45% · Don Leonard 40% · Brennan Barrington 3% |
| Hart Research (D) | June 23–25, 2026 | 550 (LV) | – | Generic Republican 44% · Generic Democrat 47% |
Ratings and polls as listed on Wikipedia: 2026 United States House of Representatives elections in Ohio (retrieved October 22, 2026), licensed CC BY-SA 4.0. TerraCivic does not rate races or compute its own average.
TerraCivic shows public filings without scores, grades or judgments about any candidate.
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