Sen. Bernie Sanders Bernie SandersJacobin editor: Primarying Schumer would force him to fight Trump's SCOTUS nominee Trump campaign plays up Biden's skills ahead of Cleveland debate: 'He's actually quite good' Young voters backing Biden by 2:1 margin: poll MORE (I-Vt.) is up by double-digits on former secretary of State Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE in Iowa and New Hampshire, according to a poll released by CBS News on Sunday.

The senator is drawing 43 percent support in the first-in-the-nation Iowa caucus, besting Clinton by 10 points.

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Sanders is also drawing 52 percent support in New Hampshire, almost doubling Clinton, who sits at 30 percent support in the Granite State.

Clinton, however, doubles-up Sanders in South Carolina, drawing 46 percent compared to the senator’s 23 percent.

Vice President Biden, who is considering a run for the Democratic presidential nomination, places third in all three states, drawing 10 percent support in Iowa, 9 percent support in New Hampshire, and a strong 22 percent backing in South Carolina.

The YouGov/CBS News 2016 Battleground Tracker poll, conducted Sept. 3 – 10, surveyed 548 likely Democratic primary voters in New Hampshire, 528 in South Carolina, and 646 in Iowa. The margin of error for the poll is 5 percent.