Trump Muscle Flips New York Stronghold

Trump’s endorsed outsider just shoved the Republican establishment aside in New York’s 21st District, and the fallout may tell you a lot about today’s GOP.

Quick Take

Anthony Constantino won the Republican primary for New York’s 21st Congressional District and defeated Assemblyman Robert Smullen.
Constantino had President Donald Trump’s endorsement, and he leaned heavily on that support during the race.^[1]
The vote showed a clash between a business outsider and the state party’s preferred candidate.^[1]^[5]
Constantino said he self-funded his campaign and promised to donate his congressional salary to charity.^[10]^[11]

Trump Endorsement Powered the Upset

Anthony Constantino won the Republican nomination in a race that many saw as a test of Trump’s pull in the party.^[1]^[5] The New York Times reported that he led Robert Smullen by 18 percentage points with 78 percent of ballots counted.^[1] Constantino, the Sticker Mule founder, ran as a political outsider and made Trump support a central part of his pitch to voters.^[1]^[10]

That message fit a district where many Republican voters wanted a candidate who spoke like a fighter, not a consultant. The campaign video said Constantino built an American manufacturing company with more than 1,000 workers in upstate New York.^[10]^[11] He also said he was self-funding his run to stay free from special interests.^[10] Those themes likely helped him with voters tired of weak, polished promises.

Why Smullen Had the Party Edge

Robert Smullen entered the race with the support of the state Republican Party and many local committees.^[1] The New York Times said the party had controversially backed Smullen, even though Constantino had Trump’s public endorsement.^[1] That split gave the contest a clear establishment-versus-outsider feel. It also showed the same divide now shaping much of the modern Republican Party: Trump-aligned voters on one side, and party insiders on the other.^[5]

Smullen tried to frame Constantino’s campaign as reckless and dishonest. His campaign page pushed back against Constantino’s attacks and listed claims it called false.^[13] Constantino’s own campaign materials made sharp accusations too, including claims that do not appear to be backed by public records in the research package. The result was a race filled with hard-edged attacks, which fits the broader chaos described by POLITICO.^[5]

Sticker Mule CEO Anthony Constantino discussed the president's endorsement and his victory Tuesday in the NY-21 GOP primary. pic.twitter.com/OJzm8pUoxP

— Spectrum News 1 Albany (@SpecNews1Albany) June 24, 2026

What the Victory Means for Republicans

Constantino’s win sends a clear message that Trump’s brand still carries real weight in Republican primaries.^[1] That matters in New York, where voters often see the state party and the national media as far removed from their daily lives. A businessman who talks about jobs, manufacturing, and self-reliance can cut through that noise fast. For many conservatives, that is exactly the kind of candidate they want: plainspoken, independent, and not owned by the machine.

The race also exposed a familiar problem in Republican politics. Party leaders often back candidates who look safer on paper, while voters choose the person who sounds more honest and direct. In this case, the outsider won. Constantino’s victory speech suggested he plans to keep the same hard-charging style in the general election.^[1] That may alarm insiders, but it also reflects where many GOP voters are right now: done with caution, and ready to reward fighters.