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Sanders takes lead in new Hill/HarrisX poll

Sen. Bernie SandersBernie SandersWarren calls for US to support ceasefire between Israel and Hamas Prominent Muslim group to boycott White House Eid celebration over stance on Israel-Gaza violence Biden speaks with Israel's Netanyahu again amid ramped-up strikes in Gaza MORE (I-Vt.) leads for the first time in a new Hill/HarrisX poll of the Democratic presidential race, just days before the next nominating contest in Nevada.

Sanders draws 22 percent support in the survey, followed by former Vice President Joe BidenJoe BidenWarren calls for US to support ceasefire between Israel and Hamas UN secretary general 'deeply disturbed' by Israeli strike on high rise that housed media outlets Nation's largest nurses union condemns new CDC guidance on masks MORE at 19 percent and former New York City Mayor Michael BloombergMichael BloombergYang: 'Defund the police is the wrong approach for New York City' New York mayoral candidates go viral for vastly underestimating housing costs Melinda Gates tapped divorce lawyers in 2019 after Epstein links to husband: report MORE at 18 percent.

Sanders and Bloomberg have both risen 2 points in the poll since earlier this month, while Biden has ticked down 4 points. All three candidates are within the poll's margin of error.

Sen. Elizabeth WarrenElizabeth WarrenWarren calls for US to support ceasefire between Israel and Hamas Sanders: Netanyahu has cultivated 'racist nationalism' Tensions mount among Democrats over US-Israel policy MORE (D-Mass.) and former South Bend, Ind., Mayor Pete ButtigiegPete ButtigiegInfrastructure deal imperiled by differences on financing Biden says he and GOP both 'sincere about' seeking infrastructure compromise The Hill's 12:30 Report - Presented by Facebook - Colonial pays hackers as service is restored MORE (D) both ticked up in the poll and are now drawing double-digit support.

Warren, who gained 3 points compared to a poll earlier this month, stands at 12 percent support, while Buttigieg gained 1 point and is at 10 percent.

Sen. Amy KlobucharAmy Klobuchar Klobuchar offers tribute to her father, who died Wednesday The Hill's Morning Report - Presented by Facebook - Cheney poised to be ousted; Biden to host big meeting Senate panel deadlocks in vote on sweeping elections bill MORE (D-Minn.) and billionaire Tom SteyerTom SteyerTop 12 political donors accounted for almost 1 of every 13 dollars raised since 2009: study California Democrats weigh their recall options Why we should be leery of companies entering political fray MORE follow the pack at 5 percent and 3 percent, respectively. Rep. Tulsi GabbardTulsi GabbardFox News says network and anchor Leland Vittert have 'parted ways' New co-chairs named for congressional caucus for millennials Tulsi Gabbard blasts new House rules on gender neutral language as 'height of hypocrisy' MORE (D-Hawaii) did not register support in the poll.

The survey indicates that the Democratic White House race remains fluid, with 8 percent of Democratic and Democratic-leaning independent voters saying they are unsure who they support.

"Nationally, the Democratic contest is increasingly starting to look like a three way race between Sanders, Biden and Bloomberg. Bloomberg has been growing steadily and is within striking range of both other candidates among Democrats and Democratic leaning independents," Dritan Nesho, Founder and CEO of HarrisX, told The Hill.

"Bloomberg’s first debate performance, and Biden’s overall showing, in the Nevada primary will determine the future dynamic of the race," he added.

Six top Democratic contenders are set to face off in the party's 9th presidential debate on Wednesday night in Nevada as the candidates compete ahead of the state's caucuses on Saturday.

Sanders is entering the debate as a clear frontrunner in polls, while the Las Vegas debate will also feature Bloomberg on stage with other candidates for the first time.

"Sanders has positioned himself as the leader in the Democratic sweepstakes by attracting 54% of the potential Democratic electorate under 45 years of age, and 46% who consider themselves as progressives," Lee Miringoff, director of the Marist Poll, told The Hill.

"No other Democratic candidate breaks 20% with younger voters or progressives. He is also running up the score among male voters in the potential D Democratic electorate with 41%. Again, no other Democratic candidate breaks 20% with this group. And, Sanders has gotten within the margin of error among African American voters against Biden by gaining 28% of these voters to 31% for Biden."  

"For these, reasons, Sanders is the front-runner going into the debate," he added.

The Hill-HarrisX poll was conducted online among 449 registered Democratic and Democratic-leaning independent voters between Feb. 14 and 15. It has a margin of error of plus or minus 4.6 percentage points. 

—Gabriela Schulte