Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE and Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE are neck-and-neck in Florida, according to a new poll of the likely general election match-up.

Trump, the presumptive GOP presidential nominee, is supported by 41 percent of Florida voters, and Clinton, the Democratic front-runner, is supported by 40 percent in the survey from the left-leaning Public Policy Polling (PPP) released Tuesday.

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The survey finds little support for third-party candidates in the Sunshine State compared to other states and national polls. Libertarian nominee Gary Johnson gets just 4 percent support in the PPP poll, while Green Party candidate Jill Stein is at 2 percent.

Trump's lead over Clinton remains narrow in a head-to-head match-up without the third-party candidates in the mix. In that scenario, the businessman leads the former secretary of State by 1 point, 45 to 44 percent.

Trump is boosted in that match-up by support from his party. Eighty-three percent of Republicans said they'd support him, while 9 percent would pick Clinton. Clinton is supported by 77 percent of Democrats, with 14 percent saying they'd back Trump.

Both Trump and Clinton had huge wins in their respective Florida primaries in March. Clinton is aiming to clinch her party's nomination over rival Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE in Tuesday's primary contests, while all of Trump's rivals have dropped out.

While Sanders has polled better than Clinton in head-to-head match-ups in other states, the PPP poll finds him locked at 40 percent each with Trump when Johnson and Stein are in the mix. Without the pair, Sanders takes a slim 46-to-43 advantage.

The survey of 737 registered voters was conducted via landlines and the internet June 2–5, with an overall 3.6-point margin of error.