Two new polls find Vice President Joe Biden Joe BidenJoe Biden looks to expand election battleground into Trump country Trump puts Supreme Court fight at center of Ohio rally Special counsel investigating DeVos for potential Hatch Act violation: report MORE, who’s reportedly nearing a decision on a 2016 White House run, is more popular among Democrats and all voters in two key early voting states than Democratic front-runner 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.

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The NBC News/Marist polls released Sunday found Biden with a net 57 percent favorability rating among Democrats in Iowa and a net 2 percent unfavorability rating among all registered voters in the Hawkeye State.

By comparison, Clinton holds a net 40 percent favorability rating among Democrats and a net 29 percent unfavorability rating among all voters.

In New Hampshire, Clinton has a net 42 percent favorability score among Democrats and a net 24 percent unfavorability rating among all registered voters.

Biden’s numbers in the Granite State are net 59 percent favorability among Democrats and net 3 percent favorability among all voters.

Pollsters also found that Biden would perform better than Clinton in potential head-to head matchups against GOP candidates Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE and Jeb Bush in Iowa and New Hampshire.

The Iowa poll, conducted Aug. 26-Sept. 2, has a 3.1 percent margin of error for registered voters and a 5.3 percent margin of error for potential Democratic caucus-goers.

The poll in New Hampshire, conducted Aug. 26-Sept. 2, has a 3.2 percent margin of error for registered voters and a 5.2 percent margin of error for potential Democratic primary voters.

Read more from The Hill:

Poll: Sanders grabs 9-point lead over Hillary Clinton in New Hampshire