Republican presidential front-runner Donald TrumpDonald TrumpInterior Dept. reactivates Twitter accounts after shutdown Booker: 'I am not open to being president' Women's marches draw huge crowds as Trump takes office MORE holds a 7-point lead over rival Ted CruzTed CruzTrump's America: Businessmen in, bureaucrats out When Trump says 'Make America Great Again,' he means it Booker is taking orders from corporate pharmaceuticals MORE in Iowa, fueled by first-time GOP caucusgoers, according to a new poll.

Trump leads Cruz, 31 to 24 percent, in the Quinnipiac poll released Monday morning.

ADVERTISEMENT
Marco RubioMarco RubioGOP, Dems hear different things from Trump Senate committee to vote Monday on Tillerson Tillerson met with top State official: report MORE has 17 percent, while no other GOP candidate has double-digit support, with Ben Carson the closest, at 8 percent. 

Trump has edged past Cruz in the Hawkeye State over the past few weeks but on Monday shied away from predicting a win over his GOP rivals.
 
Trump's rise in the Quinnipiac poll is boosted by first-time Iowa voters: 40 percent say they will support him, compared with 22 percent for Cruz. 
 
Among first-time voters, Sanders holds a major lead over Clinton, 62 to 35 percent, while Clinton holds a 9-point lead among those who have caucused before.

Martin O’Malley has 3 percent support in the Hawkeye State.

Attention in the 2016 cycle has been largely dominated by political outsiders, and pollsters predict high turnout could boost Trump and Sanders, who have positioned themselves as such.
 
The survey of 890 likely GOP caucusgoers and 919 likely Democratic caucusgoers was conducted Jan. 25–31 via landlines and cellphones with a margin of error of 3.3 points for Republicans and 3.2 points for Democrats.