TBD, 2026 Florida 21st District House Democratic candidate
Democrats
DEMOCRATIC
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Florida 212026 HOUSE FORECAST

Brian Mast, 2026 Florida 21st District House Republican candidate
Brian Mast*
REPUBLICAN
US House of Representatives (R-FL)
2017 – Present

2026 Florida 21st District House Forecast:

Proprietary forecast for Florida's 21st congressional district House election between Democrat TBD and Republican Brian Mast. This page will update with a daily set of 100,000 new simulations as race fundamentals change in order to produce race odds, projected margin, and forecasted vote share. This page also includes polling averages when available.

The 2026 Florida 21st District House election features Democrat TBD and Republican Brian Mast. Incumbent Representative Brian Mast is seeking reelection to a sixth term. In 2024, Kamala Harris won Florida's 21st congressional district by 7.5%, and the election for the district's House seat is rated as likely Republican in 2026. Florida conducted mid-decade redistricting prior to the midterms, and the state's new district map benefits Republicans overall.

Year
2026
Race
House
District
FL-21
Democratic candidate
TBD
Republican candidate
Brian Mast
Incumbent / open seat
Brian Mast
Forecast rating
Likely R
Projected vote
42.9% D / 57.2% R
Projected margin
R +14.3
Forecast odds
6.3% D / 93.7% R
Forecast last updated
12:00 AM on July 2, 2026
Polling average
Polling average margin
Polling last updated
Polls included
0
Latest poll