CORAL GABLES, FL - FEBRUARY 26: Hillary Rodham Clinton, Former Secretary of State speaks during an event at the University of Miamis BankUnited Center on February 26, 2014 in Coral Gables, Florida. Clinton is reported to be mulling a second presidential run. (Photo by Joe Raedle/Getty Images) Clinton beat out Christie, Cruz, Paul and Bush in the Quinnipiac poll. (Joe Raedle/Getty Images)

Hillary Clinton is a big favorite to win the swing state of Iowa if she runs for president in 2016, according to a new poll.

The Quinnipiac University poll shows Clinton leading four top potential Republican opponents by at least 10 points.

Sen. Rand Paul (R-Ky.) comes the closest, trailing Clinton 49-39. Clinton beats New Jersey Gov. Chris Christie 48-35; Sen. Ted Cruz (R) 51-35; and former Florida governor Jeb Bush, 51-37.

The poll also has bad news for Vice President Biden, with 62 percent of the state's voters -- including 37 percent of Democrats -- saying he would not make a good president.

As always, polls this early out don't mean a whole lot, apart from telling us about early perceptions of these candidates and what shape they'd be in when beginning a presidential campaign.