Democratic presidential candidate 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 holds a 6-point lead over rival 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 in Wisconsin less than a week before the state’s primary, a new poll finds.

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The Vermont senator leads Clinton, 49 percent to 43 percent, in the Public Policy Polling survey released Thursday morning.

The former secretary of State has an edge among Democrats in the open primary, 50 to 42 percent, but Sanders defeats her by more than 30 points among independents.

Sanders also leads the Democratic front-runner among young voters and men, but Clinton holds a 13-point lead among seniors.

Clinton and Sanders are in a tight race in the Badger State. A Marquette Law School poll released Wednesday showed the Vermont senator leading by 4 points.

The PPP poll of 720 likely Democratic primary voters, conducted from March 28 to 29, has a margin of error of 3.7 percentage points. The margin of error among all registered voters is 2.6 percent.