Opinion polling for the Republican Party (United States) presidential primaries, 2008

This article is a collection of statewide public opinion polls that have been conducted relating to the Republican presidential primaries, 2008, typically using standard statistical methodology.

The known candidates with national campaigns are John McCain, and Ron Paul, and Withdrawn candidates include Jim Gilmore, Tommy Thompson, Sam Brownback, John H. Cox, Tom Tancredo, Duncan Hunter, Fred Thompson, Rudy Giuliani, Alan Keyes and Mitt Romney. Candidates who declined to seek the nomination include George Allen, Jeb Bush, Dick Cheney, Bill Frist, Newt Gingrich, Chuck Hagel, Condoleezza Rice, Mark Sanford, and Rick Santorum. One candidate included in some polls who said nothing either way, and did not enter the race is George Pataki.

On March 4, 2008, John McCain crossed the delegate threshold and became the presumptive nominee of the GOP in the 2008 election. It is mathematically impossible for Mike Huckabee or Ron Paul, the two remaining candidates on the ballot, to meet or exceed the number of McCain's pledged delegates.

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