Sen. 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 (I-Vt.) has a double-digit lead in Wisconsin, according to the latest polling from Marquette Law School.

In the poll released Friday, 29 percent of Democratic primary voters surveyed said Sanders was their first choice. Former New York Mayor Mike Bloomberg came in second with 17 percent, followed by former Vice President Joe Biden Joe BidenBiden leads Trump by 36 points nationally among Latinos: poll GOP set to release controversial Biden report Can Donald Trump maintain new momentum until this November? MORE with 15 percent, former South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBipartisan praise pours in after Ginsburg's death Bogeymen of the far left deserve a place in any Biden administration Overnight Defense: Woodward book causes new firestorm | Book says Trump lashed out at generals, told Woodward about secret weapons system | US withdrawing thousands of troops from Iraq MORE at 13 percent and Sen. Amy Klobuchar Amy KlobucharBattle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates Klobuchar: GOP can't use 'raw political power right in middle of an election' MORE (D-Minn.) with 11 percent.

Biden has seen his support in the state drop significantly from the poll's first iteration in November, when he had a comfortable lead over Sanders, 30 percent to 17 percent.

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Bloomberg, who entered the race late and isn't on the first four primary ballots, has surged since the poll was last taken in January, jumping 11 points.

Sen. Elizabeth Warren Elizabeth WarrenGOP set to release controversial Biden report Biden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt MORE (D-Mass.) saw her support in the state drop since January, falling 5 points to 9 percent.

Of those surveyed, 56 percent said they still might change their mind before the state's April 7 primary.

Sanders won the state in 2016, easily defeating Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE by 13 points.

The state is a key battleground in 2020. President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE narrowly won the state by just over 20,000 votes in 2016. It was the first time the state had voted for the Republican nominee since 1984.