If Donald 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 becomes the GOP nominee, Utah would do the unthinkable: vote for a Democrat for the first time in more than 50 years, according to a poll released by the Deseret News in Salt Lake City.

Both Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE and Vermont 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 would hold off Trump in Utah’s general election, the poll indicated.

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Clinton, the Democratic presidential front-runner, was slightly ahead of Trump — 38 percent to 36 percent — while Sanders had 48 percent to Trump’s 37 percent.

Those results are surprising for a state that’s voted red in every presidential election since 1964.

“Any matchup in which Democrats are competitive in the state of Utah is shocking,” Chris Karpowitz, co-director of Brigham Young University’s Center for the Study of Elections and Democracy, told the Deseret News.

Polls also have Trump losing in the state’s caucuses Tuesday. A Y2 Analytics survey released Saturday put Texas Sen. Ted Cruz Rafael (Ted) Edward CruzSenate Republicans face tough decision on replacing Ginsburg Cruz: Trump should nominate a Supreme Court justice next week Renewed focus on Trump's Supreme Court list after Ginsburg's death MORE with 53 percent of the vote, according to The Salt Lake Tribune. He is followed by Ohio Gov. John Kasich with 29 percent and Trump at 11 percent.

Utah has 40 delegates, and a candidate will take all of them if he receives a majority vote. Candidates have to reach 15 percent of the vote to win delegates.