Call
the Map
2026 midtermsResults

2026 results · Florida · Florida 21st District

Brian Mast, the Republican, wins re-election in Florida's 21st District

Donald Trump carried the district by 16.0 points in 2024; this year's count is a 6.9-point move toward the Democrats.

Florida 21st District: votes counted for each candidate
CandidateVotesShareShare of the vote
Brian MastRepublican, incumbent184,32453.9%
James T. MartinDemocrat153,24244.8%
Alexander CookeIndependent4,4741.3%
David FabrikantOther party11no votes counted

Called by Call the Map, Nov 3, 8:00 PM EST · 97% counted.

About 97% of the expected vote counted342,051 votesCount last changed Nov 7, 4:59 PM ESTSource: Florida Division of Elections

The map

Loading the map.

About the seat

Florida's 21st District takes in all or part of 3 counties. The Republicans held it before this election. Its voters went R+15.9 for president in 2024. Its move from that vote, 6.9 points toward the Democrats, ranks 25 of 27 among the state's districts, counting from the largest move toward the Democrats.

2024 president
R+15.9
2024 House vote on these lines
R+23.9
Move from 2024, rank in state
25 of 27
  1. St. Lucie County41%
  2. Palm Beach County37%
  3. Martin County22%

Shares are of the votes counted this year. The district was redrawn for 2026: its 2024 House figure is that year's House vote re-added onto the new lines precinct by precinct, an estimate.

What the count shows

Added together, the 3 counties compared moved 6.7 points toward the Democrats from the 2024 presidential vote.

The counties compared cast 76% as many votes as in 2024, from 77% in Palm Beach County to 75% in St. Lucie County.

St. Lucie County moved most: R+8.8 for president in 2024, D+1.3 this year

The 3 counties with the largest moves from the 2024 presidential vote, among those with 2,000 or more votes for president in 2024 and a quarter of that counted. Each line runs from the 2024 margin to this year’s.

CountyR+40EvenD+40Move
St. Lucie County138,912 votes10.1 pts → D
Palm Beach County126,835 votes5.2 pts → D
Martin County76,304 votes3.5 pts → D

2024 president 2026

St. Lucie County added 18,165 net votes for Martin against the 2024 margin, 45% of the district's change

Across the 3 counties compared, the margin moved by 40,386 votes toward Martin: this year’s lead in votes against the 2024 presidential lead in votes, county by county. The figure counts voters who changed sides and differences in who turned out alike; the count cannot tell them apart.

  1. St. Lucie County+18,165 Martin
  2. Palm Beach County+12,272 Martin
  3. Martin County+9,949 Martin

1 county Donald Trump carried in 2024 is led by Martin this year

Striped on the map above. Largest first.

  • St. Lucie CountyR+8.8D+1.3

won leads, still counting changed party. Margins are the leader’s share minus the runner-up’s, in points.

Every count on this page is the official count published by the Florida Division of Elections. Counts are unofficial until the state certifies them. The 2024 comparison is the presidential vote, Kamala Harris against Donald Trump, on the same ground. Margins are the Democrat minus the Republican, in points of all votes.