President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE leads both former Vice President Joe Biden Joe BidenSenate Republicans face tough decision on replacing Ginsburg What Senate Republicans have said about election-year Supreme Court vacancies Biden says Ginsburg successor should be picked by candidate who wins on Nov. 3 MORE and Sen. Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE (I-Vt.) in hypothetical head-to-head match-ups in Florida, according to a new poll out one day before the state's Democratic primary.

Forty-eight percent of Florida voters said they would vote for Trump in a head-to-head match-up with Biden, compared to 45 percent of Florida voters who said they would vote for Biden in the same scenario, according to a new Univision survey.

Meanwhile, in a head-to-head match-up with Sanders, Trump received 49 percent support, while the senator garnered 42 percent.

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The survey comes one day before Floridians head to the polls in the state's Democratic primary. The same Univision poll shows Biden with 63 percent support, while Sanders trails at 25 percent.

A number of other polls have shown Biden with substantial leads in the Sunshine State.

The eventual Democratic nominee will face a tough battle against Trump in the state regardless of who it is.

The Univision poll shows Trump, who officially became a Florida resident last year with a 54 percent approval rating, while 46 percent said they disapproved.

The Univision Noticias survey was conducted March 6-12 among 1,071 voters with a margin of error of plus or minus 3 percentage points.