Rep. Paul RyanPaul RyanReport: Ryan pleaded on one knee for ObamaCare repeal vote Republican quits House Freedom Caucus Ted Koppel tells Sean Hannity he is bad for America MORE (R-Wis.) and former secretary of State Hillary ClintonHillary Rodham Clinton“60 Minutes” tracks how fake news spreads Ill. gov candidate runs as fresh face, despite ties to political machine Huma Abedin 'working hard' on marriage with Anthony Weiner: report MORE (D) are the early favorites of Iowa voters among possible 2016 presidential candidates, according to a new Des Moines Register Iowa Poll.

Seventy-three percent of Republican Iowa adults viewed the Ryan very or mostly favorably, while 10 percent viewed the 2012 GOP vice presidential nominee very or mostly unfavorably.

Ryan last week reached a budget agreement with Sen. Patty Murray (D-Wash.) that, despite conservative criticism, passed the House in a 332-94 vote.

Former Gov. Mike Huckabee (Ark.) placed second among possible Republican candidates in the Iowa Poll.

The winner of the 2008 Iowa caucuses is conducting polling and gauging support for a possible 2016 presidential bid.

“I’m keeping the door open,” he told The New York Times last week. “I think right now the focus needs to be on 2014, but I’m mindful of the fact that there’s a real opportunity for me.”

Huckabee is followed by former Sen. Rick Santorum (Pa.), Gov. Rick Perry (Texas), former Gov. Jeb Bush (Fla.), Gov. Chris Christie (N.J.), Sen. Rand PaulRand PaulThis week: GOP picks up the pieces after healthcare defeat Trump, GOP fumble chance to govern GOP senators pitch alternatives after House pulls ObamaCare repeal bill MORE (Ky.), Gov. Scott Walker (Wis.), Sen. Marco RubioMarco RubioWeek ahead: Senate panel to vote on Trump's Labor pick Senators introduce new Iran sanctions Senate intel panel has not seen Nunes surveillance documents: lawmakers MORE (Fla) and Sen. Ted CruzTed CruzHow 'Big Pharma' stifles pharmaceutical innovation AIPAC must reach out to President Trump Under pressure, Dems hold back Gorsuch support MORE (Texas).

Among Iowa Democrats, an “eye-popping” 89 percent of Democrats rated Clinton as very or mostly favorable, compared with 7 percent who viewed her very or mostly unfavorably.

“Clinton’s score is eye-popping and shows she is viewed more favorably than any Democrat or Republican by a big margin,” said Jeff Link, an Iowa Democratic operative, told the Register.

Vice President Joe BidenJoe BidenBiden: I regret not being president Biden: 'McCain is right: Need select committee' for Russia With no emerging leaders, no clear message, Democrats flounder MORE placed second in the Iowa Poll, followed by and Gov. Martin O’Malley (Md.) and former Gov. Brian Schweitzer (Mont.).