VotePredictor
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Florida District 21 election, 2026

James Martin vs. Brian Mast on a newly enacted 2026 district map.

VotePredictor forecast
Brian Mast favored
Safe R · predicted margin R+19.7
100%
chance to win
2024 presidential lean
R+16.4
2026 national environment
D+6.3
Model uncertainty
±6.9 points

Fundamentals model using district presidential lean, incumbency and the national environment. It is not a poll average.

Democratic

James Martin

Major-party general-election nominee.

Other listed candidates

  • Alexander Cooke · Independent

Polls

No district-level 2026 general-election poll is currently in VotePredictor's verified polling feed for FL-21. The forecast above uses fundamentals only.

Other forecasts

We have not yet ingested a district rating from these independent forecasters for FL-21; links go to their current national House ratings. Missing is shown as missing—not converted into a probability.

Past results

Every election in Florida's 21st district we hold a result for. District numbers are reused across redistricting, so older rows may cover different ground than the seat does today.

YearWinnerMargin

Candidate news

Trump's empire hinges on his name — but four others threaten to devour it whole

Earlier this year, an apparently highly ambitious Florida state Rep. named Meg Weinberger, a Republican from Palm Beach Gardens, introduced a Florida measure to rename Palm Beach International Airport to the President Donald J. Trump International Airport. No…

Raw Story · August 30, 2026
GOP House Chair Scolds Dem Accusing Rubio of Not Testifying on Iran: ‘Probably Don’t Remember It Because You Missed Half’

Brian Mast scolded Gregory Meeks during a House hearing over the claim that Marco Rubio has avoided testifying before Congress on the Iran war. The post GOP House Chair Scolds Dem Accusing Rubio of Not Testifying on Iran: ‘Probably Don’t Remember It Because Y…

Mediaite · July 22, 2026
House Foreign Affairs Chair: Iran’s Proxies Must Be Tied to Agreement

House Foreign Affairs Committee Chairman Brian Mast told the Daily Signal that while the current memorandum of understanding with the Iranian regime delivers a win for President Donald Trump’s administration, Iran’s terror proxies—Hezbollah, Hamas, and the Ho…

Daily Signal · June 26, 2026
Dems vow revenge as 'disrespectful' GOP leader's personal jabs leave them fuming

Democratic lawmakers on the House Foreign Affairs Committee are growing frustrated with chair Rep. Brian Mast (R-FL) over his leadership — including “barely-veiled personal jabs” and other provocations — and are already "vowing they won't forget" if they recl…

Raw Story · June 19, 2026

Candidate field source: 2026 House election roster ↗

Nearby in the directory: FL-20 · FL-22