FL-21 House race
Election day: Tuesday, November 3, 2026
Market odds
Chance of winning, from prediction-market prices
12% Dem
Rep 88%
| Market | Outcome | Chance |
|---|---|---|
| Polymarket (opens in a new tab) | James Martin | 12% |
| Brian Mast | 87% |
View data as table
| Series | First | Latest |
|---|---|---|
| Polymarket · Democrats | 5/1/2026: 16% | 10/28/2026: 12% |
| Polymarket · Republicans | 5/1/2026: 85% | 10/28/2026: 87% |
Poll average
1 polls in the last 30 days of polling · R+11.0
Brian Mast (R)
49%
James Martin (D)
38%
On the ballot
Results appear here as votes are counted on election night.
| Candidate | Party |
|---|---|
| James Martin | Democrat |
| Brian Mast | Republican |
| Alexander Cooke | Independent |
FL-21 House race: polls over time
1 polls · 21-day rolling average · dots are individual polls
Brian Mast 49%
James Martin 38%
View data as table
| Choice | Latest average | Polls | Latest poll |
|---|---|---|---|
| Brian Mast | 49% | 1 | 9/25/2026 |
| James Martin | 38% | 1 | 9/25/2026 |
Latest polls
| Pollster | Dates | Sample | Result |
|---|---|---|---|
| Upswing Research | 9/21–9/25 | 402 LV |
Brian Mast (R)
James Martin (D)
|