# Statewide opinion polling for the 2008 Republican Party presidential primaries

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| ← 2004 | 2008 | 2012 → |
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This article lists statewide public opinion polls conducted relating to the 2008 Republican Party presidential primaries, typically using standard statistical methodology.

## Candidates

The known candidates with national campaigns are John McCain, and Ron Paul, and Withdrawn candidates include Jim Gilmore, Tommy Thompson, Sam Brownback, John H. Cox, Tom Tancredo, Duncan Hunter, Fred Thompson, Rudy Giuliani, Alan Keyes and Mitt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 received enough pledged delegates to receive a majority at the convention and became the presumptive nominee of the GOP in the general election.

## Polling
### Alabama

Alabama Winner: Mike Huckabee Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Actual Result | February 5, 2008 | Mike Huckabee 41%, John McCain 37%, Mitt Romney 18%, Ron Paul 3%, Other 1% |
| Insider Advantage Sampling Size: 566 | February 4, 2008 | Mike Huckabee 38%, John McCain 29%, Mitt Romney 20%, Ron Paul 6%, Other 1%, Undecided 6% |
| Survey USA Sampling Size: 619 Margin of Error: ±4% | February 2–3, 2008 | John McCain 37%, Mike Huckabee 35%, Mitt Romney 19%, Ron Paul 6%, Other/Undecided 2% |
| Rasmussen Reports Sampling Size: 890 Margin of Error: ±4% | January 31, 2008 | John McCain 38%, Mike Huckabee 30%, Mitt Romney 20%, Ron Paul 5%, Other/Undecided 7% |
| Survey USA Sampling Size: 629 Margin of Error: ± 4% | January 30–31, 2008 | John McCain 40%, Mike Huckabee 31%, Mitt Romney 21%, Ron Paul 5%, Other 1%, Undecided 2% |
| Capital Survey Research Center Sampling Size: 371 Margin of Error: ± 5% | January 30–31, 2008 | John McCain 42%, Mike Huckabee 28%, Mitt Romney 13%, Ron Paul 4%, Other/Undecided 11% |
| Capital Survey Research Center | January 28–30, 2008 | John McCain 34%, Mike Huckabee 27%, Mitt Romney 15%, Ron Paul 3%, Other/Undecided 21% |
| Rasmussen Reports Sampling Size: 846 Margin of Error: ± 4% | January 23, 2008 | Mike Huckabee 27%, John McCain 27%, Mitt Romney 15%, Rudy Giuliani 8%, Ron Paul 3%, Undecided 20% |
| Capital Survey Research Center Margin of Error: +/- 5.6% | January 11, 2008 | Mike Huckabee 32%, John McCain 25%, Fred Thompson 10%, Rudy Giuliani 7%, Mitt Romney 6%, Other 4%, Undecided 16% |
| University of South Alabama/Press Register Sampling Size: 439 Margin of Error: ±4.7% | January 7–10, 2008 | Mike Huckabee 25%, John McCain 22%, Fred Thompson 9%, Mitt Romney 8%, Rudy Giuliani 5%, Ron Paul 3%, Undecided 29% |
| Capital Survey Research Center Sampling Size: 431 Margin of Error: ±4.7% | November 19–20, 2007 | Fred Thompson 22%, Rudy Giuliani 20%, Mike Huckabee 17%, John McCain 9%, Mitt Romney 5%, Ron Paul 3%, Alan Keyes 2%, Duncan Hunter 1%, Undecided 21% |
| Capital Survey Research Center Margin of Error: +/- ?% Sample Size: N/A | November 1, 2007 | Fred Thompson 26%, Rudy Giuliani 24%, John McCain 12%, Mitt Romney 9%, Newt Gingrich 7%, Undecided 18% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (511 R, 89 I) | July 30 – Aug 2, 2007 | Fred Thompson 31%, Rudy Giuliani 26%, John McCain 16%, Newt Gingrich 8%, Mitt Romney 3%, Sam Brownback 1%, Duncan Hunter 1%, Ron Paul 1%, Mike Huckabee -, Tom Tancredo -, Tommy Thompson -, Undecided 13% |
| Capital Survey Research Center | July 11–13, 16–19, 2007 | Fred Thompson 34%, Rudy Giuliani 20%, John McCain 11%, Newt Gingrich 7%, Mitt Romney 5% |
| Press-Register/University of South Alabama | April 21–25, 2007 | John McCain 23%, Rudy Giuliani 22%, Mitt Romney 12%, Fred Thompson 10%, Newt Gingrich 7% |
| Capital Survey Research Center | Feb 19–22, 2007 | Rudy Giuliani 28%, John McCain 23%, Newt Gingrich 18%, Mitt Romney 3%, Mike Huckabee 3%, Other 2%, Undecided 23% |
| American Research Group | Feb 8–13, 2007 | Rudy Giuliani 31%, Newt Gingrich 25%, John McCain 19%, Mitt Romney 3%, Mike Huckabee 2%, Sam Brownback 1%, Chuck Hagel 1%, Duncan Hunter 1%, Undecided 16% |

### Alaska

Alaska Winner: Mitt Romney Primary Date: February 5, 2008
| Poll Source | Date | Highlights |
| Caucus results Sampling Size: 11,620 | February 5, 2008 | Mitt Romney 44.1%, Mike Huckabee 21.9%, Ron Paul 16.8%, John McCain 15.5%, Uncommitted 1.6% |

### Arizona

Arizona Winner: John McCain Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 482,343 | February 5, 2008 | John McCain 47.4%, Mitt Romney 34.1%, Mike Huckabee 9%, Ron Paul 4.2%, Rudy Giuliani 2.6%, Fred Thompson 1.8%, Duncan Hunter 0.2%, Other 0.6% |
| Rasmussen Reports Margin of Error: ± 3.9% | January 31, 2008 | John McCain 43%, Mitt Romney 34%, Mike Huckabee 9%, Ron Paul 7%, |
| Behavior Research Center Margin of Error: ± 6.3% | January 20–24, 2008 | John McCain 40%, Mitt Romney 23%, Mike Huckabee 9%, Fred Thompson 7%, Rudy Giuliani 7%, Ron Paul 3%, Duncan Hunter 1%, Undecided 10% |
| Arizona State Margin of Error: +/- 5% Sample Size: 375 | January 17–20, 2008 | John McCain 41%, Mitt Romney 18%, Fred Thompson 9%, Mike Huckabee 7%, Rudy Giuliani 4%, Ron Paul 2%, Undecided 19% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (527 R, 73 I) | October 5–9, 2007 | John McCain 26%, Rudy Giuliani 19%, Mitt Romney 18%, Fred Thompson 15%, Ron Paul 5%, Sam Brownback 3%, Mike Huckabee 1%, Tom Tancredo 1%, Duncan Hunter 0%, Alan Keyes 0%, Undecided 12% |
| ASU/KNXV TV Poll Margin Of Error: +/- 4.5% Sample Size: 295 | Aug 29, 2007 | John McCain 24%, Mitt Romney 19%, Rudy Giuliani 18%, Fred Thompson 17% |
| American Research Group | July 23–26, 2007 | John McCain 32%, Rudy Giuliani 23%, Fred Thompson 15%, Newt Gingrich 7%, Mitt Romney 7%, Duncan Hunter 1%, Ron Paul 1%, Tom Tancredo 1%, Sam Brownback 0%, Mike Huckabee 0%, Tommy Thompson 0%, Undecided 13% |
| Cronkite/Eight Poll | April 19–22, 2007 | John McCain 32%, Rudy Giuliani 27%, Mitt Romney 11%, Newt Gingrich 9%, Fred Thompson 6%, Undecided 15% |
| Behavior Research Center | March 23, 2007 | John McCain 34%, Rudy Giuliani 25%, Mitt Romney 11%, Condoleezza Rice 9%, Newt Gingrich 5%, Chuck Hagel 2, George Pataki 1%, Duncan Hunter 1%, Undecided 18% |
| American Research Group | Feb 8–13, 2007 | John McCain 45%, Rudy Giuliani 21%, Newt Gingrich 11%, Sam Brownback 3%, Mitt Romney 2%, Duncan Hunter 1%, Gilmore 0%, Hagel 0%, Mike Huckabee 0%, George Pataki 0%, Ron Paul 0%, Tom Tancredo 0%, Tommy Thompson 0%, Undecided 18% |
| Cronkite/Eight Poll | January 24, 2007 | John McCain 54%, Newt Gingrich 14%, Mitt Romney 9%, Duncan Hunter 2%, Undecided 21% |

### Arkansas

Arkansas Winner: Mike Huckabee Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 229,153 | February 5, 2008 | Mike Huckabee 60.5%, John McCain 20.2%, Mitt Romney 13.5%, Ron Paul 4.8%, Uncommitted 0.4%, Rudy Giuliani 0.3%, Fred Thompson 0.3% |
| Global Strategy Group Sampling Size: 608 Margin of Error: ±4.4% | December 12–16, 2007 | Mike Huckabee 39%, Rudy Giuliani 13%, John McCain 11%, Mitt Romney 8%, Fred Thompson 4%, Ron Paul 3%, Undecided 22% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (448 R, 152 I) | March 16–19, 2007 | Mike Huckabee 40%, John McCain 21%, Rudy Giuliani 12%, Newt Gingrich 8%, Fred Thompson 5%, Mitt Romney 4%, Tom Tancredo 1%, Chuck Hagel 0%, Sam Brownback 0%, George Pataki 0%, Jim Gilmore 0%, Duncan Hunter 0%, Tommy Thompson 0%, Ron Paul 0%, Undecided 10% |

### California

California Winner: John McCain Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 2,351,930 | February 5, 2008 | John McCain 41.9%, Mitt Romney 34.1%, Mike Huckabee 11.6%, Rudy Giuliani 4.9%, Ron Paul 4.2%, Fred Thompson 1.9%, Duncan Hunter 0.5%, Tom Tancredo 0.1%, Other 0.6% |
| Reuters/C-SPAN/Zogby Sampling Size: 833 Margin of Error: ±3.4% | February 3–4, 2008 | Mitt Romney 40%, John McCain 33%, Mike Huckabee 12%, Ron Paul 3%, Other 4%, Undecided 8% |
| Survey USA Sampling Size: 556 Margin of Error: ±4.2% | February 3–4, 2008 | John McCain 39%, Mitt Romney 38%, Mike Huckabee 11%, Ron Paul 5%, Other 5%, Undecided 2% |
| Reuters/C-SPAN/Zogby Sampling Size: 915 Margin of Error: ±3.3% | February 1–3, 2008 | Mitt Romney 40%, John McCain 32%, Mike Huckabee 12%, Ron Paul 5%, Other 4%, Undecided 8% |
| Rasmussen Reports Sampling Size: 652 Margin of Error: ±4% | February 2, 2008 | John McCain 38%, Mitt Romney 38%, Mike Huckabee 10%, Ron Paul 6%, Other 6%, Undecided 2% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | February 1–2, 2008 | Mitt Romney 33%, John McCain 32%, Mike Huckabee 16%, Ron Paul 8%, Other/Undecided 11% |
| Reuters/C-SPAN/Zogby Sampling Size: 1185 Margin of Error: ±2.9% | January 31 – February 2, 2008 | Mitt Romney 37%, John McCain 34%, Mike Huckabee 12%, Ron Paul 5%, Other/Undecided 13% |
| McClatchy/MSNBC /Mason Dixon Margin of Error: ±4.8% | January 31 – February 1, 2008 | John McCain 40%, Mitt Romney 31%, Mike Huckabee 13%, Ron Paul 3%, Undecided 11% |
| Suffolk University Sampling Size: 500 Margin of Error: ±4.5% | January 31 – February 1, 2008 | John McCain 38.5%, Mitt Romney 32.4%, Mike Huckabee 8.2%, Ron Paul 3.5%, Undecided 13.7%, Refused 3.6% |
| Field Sampling Size: 481 Margin of Error: ±4.6% | January 25 – February 1, 2008 | John McCain 32%, Mitt Romney 24%, Mike Huckabee 13%, Ron Paul 10%, Other 6%, Undecided 15% |
| Rasmussen Reports Sampling Size: 652 Margin of Error: ±4% | January 29, 2008 | John McCain 32%, Mitt Romney 28%, Rudy Giuliani 14%, Mike Huckabee 11%, Ron Paul 5%, Other 6%, Undecided 3% |
| Survey USA Sampling Size: 506 Margin of Error: ±4.4% | January 27, 2008 | John McCain 37%, Mitt Romney 25%, Mike Huckabee 14%, Rudy Giuliani 12%, Ron Paul 4%, Other 3%, Undecided 5% |
| Politico/CNN/Los Angeles Times Sampling Size: 437 Margin of Error: ±4.5% | January 23–27, 2008 | John McCain 39%, Mitt Romney 26%, Rudy Giuliani 13%, Mike Huckabee 11%, Undecided 4% |
| USA Today/Galup Sampling Size: 552 Margin of Error: ±5% | January 23–26, 2008 | John McCain 36%, Mitt Romney 31%, Mike Huckabee 10%, Rudy Giuliani 9%, Ron Paul 4%, Alan Keyes 1%, Other 1%, Undecided 8% |
| Field Research Sampling Size: 377 Margin of Error: ±5.2% | January 14–20, 2008 | John McCain 22%, Mitt Romney 18%, Mike Huckabee 11%, Rudy Giuliani 11%, Fred Thompson 9%, Ron Paul 7%, Other 1%, Unsure 21% |
| Public Policy Institute of California Sampling Size: 348 Margin of Error: ±5% | January 13–20, 2008 | John McCain 29%, Mitt Romney 17%, Mike Huckabee 10%, Rudy Giuliani 10%, Fred Thompson 10%, Ron Paul 5%, Duncan Hunter 2%, Other 3%, Unsure 14% |
| Rasmussen Reports Sampling Size: 471 Margin of Error: ±4.5% | January 14, 2008 | John McCain 24%, Mitt Romney 17%, Mike Huckabee 13%, Fred Thompson 13%, Rudy Giuliani 11%, Ron Paul 4%, Unsure 16% |
| Survey USA Sampling Size: 509 Margin of Error: ±4.4% | January 11–13, 2008 | John McCain 33%, Rudy Giuliani 18%, Mike Huckabee 14%, Mitt Romney 13%, Fred Thompson 9%, Ron Paul 4%, Unsure 4%, Other 3% |
| Politico/CNN/Los Angeles Times Sampling Size: 255 Margin of Error: ±6% | January 11–13, 2008 | John McCain 20%, Mitt Romney 16%, Rudy Giuliani 14%, Mike Huckabee 13%, Ron Paul 8%, Fred Thompson 6%, Unsure 11% |
| Field Research Corp. Sample Size: 322 Margin of Error: ± 5.7% | December 10–17, 2007 | Rudy Giuliani 25%, Mike Huckabee 17%, Mitt Romney 15%, John McCain 12%, Fred Thompson 6%, Ron Paul 3%, Duncan Hunter 3%, Tom Tancredo 1%, Undecided 18% |
| Survey USA Margin of Error: +/-4.5% Sampling Size: 497 | December 14–16, 2007 | Rudy Giuliani 28%, Mike Huckabee 20%, Mitt Romney 16%, John McCain 14%, Fred Thompson 13%, Other 7%, Undecided 3% |
| Survey USA Margin of Error: +/-4.4% Sampling Size: 505 | November 30 – December 3, 2007 | Rudy Giuliani 32%, John McCain 18%, Mike Huckabee 14%, Mitt Romney 14%, Fred Thompson 13%, Other 6%, Undecided 3% |
| Datamar Inc. Margin of Error: +/-4.3% Sampling Size: 514 | November 23–27, 2007 | Rudy Giuliani 28.0%, Mitt Romney 16.1%, Fred Thompson 14.0%, John McCain 9.9%, Mike Huckabee 7.8%, Ron Paul 4.3%, Duncan Hunter 1.6%, Tom Tancredo 1.0%, Undecided 17.3% |
| Survey USA | November 2–4, 2007 | Rudy Giuliani 34%, John McCain 16%, Mitt Romney 15%, Fred Thompson 13%, Mike Huckabee 8%, Other 8%, Undecided 6% |
| The Field | October 11–21, 2007 | Rudy Giuliani 25%, Mitt Romney 13%, Fred Thompson 12%, John McCain 12%, Mike Huckabee 4%, Ron Paul 4%, Duncan Hunter 3%, Tom Tancredo 3%, Keyes 1%, Cox -%, Other -%, Undecided 22% |
| Survey USA | October 12–14, 2007 | Rudy Giuliani 39%, Fred Thompson 18%, Mitt Romney 14%, John McCain 13%, Others 12%, Undecided 6% |
| Survey and Policy Research Institute at San Jose State University | October 1–8, 2007 | Rudy Giuliani 34%, John McCain 17%, Mitt Romney 11%, Fred Thompson 7%, Others 10% |
| PPIC | September 4–11, 2007 | Rudy Giuliani 22%, Mitt Romney 16%, Fred Thompson 16%, John McCain 15%, Duncan Hunter 3%, Mike Huckabee 2%, Tom Tancredo 2%, Ron Paul 1%, Sam Brownback <1%, Other 3%, Don't Know 20% |
| Survey USA | September 7–9, 2007 | Rudy Giuliani 28%, Fred Thompson 26%, John McCain 18%, Mitt Romney 14%, Other 10%, Undecided 3% |
| Field Research Corporation Margin of error: +/- 5.4% Sampling size: 348 | August 3–12, 2007 | Rudy Giuliani 35%, Mitt Romney 14%, Fred Thompson 13%, John McCain 9%, Tom Tancredo 3%, Duncan Hunter 2%, Mike Huckabee 1%, Sam Brownback 1%, Ron Paul 1%, Undecided 20% |
| Survey USA | August 2–5, 2007 | Rudy Giuliani 39%, Fred Thompson 19%, John McCain 16%, Mitt Romney 10%, Other 11%, Undecided 4% |
| American Research Group | July 30 – August 2, 2007 | Rudy Giuliani 30%, Mitt Romney 18%, Fred Thompson 18%, Newt Gingrich 7%, John McCain 7%, Hunter 2%, Paul 2%, Tancredo 2%, Brownback 1%, Tommy Thompson 1%, Huckabee -, Undecided 12% |
| Survey USA | June 29 – July 1, 2007 | Rudy Giuliani 32%, John McCain 19%, Fred Thompson 19%, Mitt Romney 9%, Newt Gingrich 6%, Others 9%, Undecided 7% |
| Survey & Policy Research Institute Margin of Error: +/- 3.1% | June 18–22, 2007 | Rudy Giuliani 25%, Fred Thompson 16%, John McCain 14%, Mitt Romney 5%, Others 11%, Undecided 29% |
| Datamar Inc. Margin of Error: +/-4.1% Sampling Size: 572 | June 6–11, 2007 | Mitt Romney 32.3%, Rudy Giuliani 14.7%, Duncan Hunter 11%, Tom Tancredo 5.9%, John McCain 5.4%, Fred Thompson 4.9%, Mike Huckabee 3.1%, Ron Paul 3.1%, Tommy Thompson 3.1%, Sam Brownback 2.1%, Jim Gilmore .7%, Undecided 13.5% |
| Survey USA | June 1–3, 2007 | Rudy Giuliani 28%, John McCain 21%, Fred Thompson 21%, Mitt Romney 11%, Newt Gingrich 8%, Other 8%, Undecided 3% |
| American Research Group | May 4–8, 2007 | Rudy Giuliani 27%, John McCain 24%, Mitt Romney 11%, Fred Thompson 12%, Newt Gingrich 5%, Brownback 1%, Gilmore 1%, Hagel 1%, Huckabee 1%, Hunter 1%, Paul 1%, Tancredo 1%, Tommy Thompson 1%, Pataki -, Undecided 13% |
| Survey USA | May 4–6, 2007 | Rudy Giuliani 34%, John McCain 21%, Mitt Romney 12%, Fred Thompson 11%, Newt Gingrich 9%, Other 8%, Undecided 5% |
| SurveyUSA | Mar 30 – April 1, 2007 | Rudy Giuliani 43%, John McCain 24%, Newt Gingrich 10%, Mitt Romney 7%, Other 11%, Undecided 5% |
| The Field (announced candidates) | Mar 20–21, 2007 | Rudy Giuliani 36%, John McCain 24%, Mitt Romney 7%, Hunter 4%, Tancredo 4%, Huckabee 3%, Hagel 2%, Brownback 2%, Paul 1% Undecided 17% |
| The Field (prospective candidates) | Mar 20–21, 2007 | Rudy Giuliani 29%, John McCain 21%, Newt Gingrich 9%, Fred Thompson 7%, Mitt Romney 7%, Hunter 3%, Tancredo 3%, Huckabee 2%, Hagel 2%, Brownback 2%, Paul 1% Undecided 14% |
| SurveyUSA | Mar 3–5, 2007 | Rudy Giuliani 41%, John McCain 23%, Newt Gingrich 13%, Mitt Romney 8%, Other 8%, Undecided 7% |
| Datamar Inc. | Feb 9–13, 2007 | Rudy Giuliani 40.9%, John McCain 17.4%, Mitt Romney 10.5%, Duncan Hunter 5.9%, Sam Brownback 3.8%, Tom Tancredo 3.9%, Mike Huckabee 1.9%, Ron Paul 0.7%, Jim Gilmore 0.4%, Undecided 14.8% |
| American Research Group | January 4–7, 2007 | Rudy Giuliani 33%, Newt Gingrich 19%, John McCain 18%, Chuck Hagel 5%, Mitt Romney 3%, Duncan Hunter 1%, Undecided 22% |

### Colorado

Colorado Winner: Mitt Romney Caucus Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Caucus results Sampling Size: 56,027 | February 5, 2008 | Mitt Romney 59.4%, John McCain 19%, Mike Huckabee 13% Ron Paul 8.3%, Others 0.3% |
| Mason-Dixon Margin of Error: +/- 3.5% Sample Size: 800 | January 21–23, 2008 | Mitt Romney 43%, John McCain 24%, Mike Huckabee 17% Ron Paul 5%, Rudy Giuliani 4% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (522 R, 78 Unaffiliated) | September 15–18, 2007 | Fred Thompson 25%, Rudy Giuliani 20%, John McCain 12%, Mitt Romney 8%, Mike Huckabee 8%, Newt Gingrich 5%, Tom Tancredo 4%, Ron Paul 1%, Sam Brownback 1%, Duncan Hunter 1%, Undecided 15% |
| Ciruli Associates for the Economic Development Council Of Colorado | September 12–15, 2007 | Fred Thompson 27%, Rudy Giuliani 19%, John McCain 11% |
| American Research Group | July 15–18, 2007 | Rudy Giuliani 35%, Fred Thompson 20%, John McCain 11%, Mitt Romney 9%, Newt Gingrich 6%, Tom Tancredo 4%, Sam Brownback 1%, Mike Huckabee 1%, Ron Paul 1%, Jim Gilmore 0%, Chuck Hagel 0%, Duncan Hunter 0%, George Pataki 0%, Tommy Thompson -, Undecided 12% |
| American Research Group | March 29 – April 2, 2007 | Rudy Giuliani 25%, John McCain 23%, Fred Thompson 10%, Mitt Romney 9%, Newt Gingrich 8%, Tom Tancredo 7%, Sam Brownback 3%, Tommy Thompson 3%, Jim Gilmore 0%, Chuck Hagel 0%, Mike Huckabee 0%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Undecided 11% |

### Connecticut

Connecticut Winner: John McCain Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sample Size: 151,212 | February 5, 2008 | John McCain 52.1%, Mitt Romney 33%, Mike Huckabee 7%, Ron Paul 4%, Rudy Giuliani 1.6%, Uncommitted 1.6%, Fred Thompson 0.4%, Duncan Hunter 0.1%, Other 0.2% |
| Survey USA Sample Size: 333 Margin of Error: ±5.5% | February 2–3, 2008 | John McCain 52%, Mitt Romney 30%, Mike Huckabee 7%, Ron Paul 6%, Other 3%, Undecided 3% |
| Survey USA Sample Size: 426 Margin of Error: ±4.8% | January 30–31, 2008 | John McCain 53%, Mitt Romney 31%, Mike Huckabee 6%, Ron Paul 5%, Other 2%, Undecided 3% |
| American Research Group Sample Size: 600 Margin of Error: ±4% | January 30–31, 2008 | John McCain 43%, Mitt Romney 25%, Mike Huckabee 12%, Ron Paul 1%, Other 3%, Undecided 16% |
| Rasmussen Reports Sample Size: 492 Margin of Error: ±4% | January 27, 2008 | John McCain 42%, Mitt Romney 26%, Rudy Giuliani 12%, Mike Huckabee 8%, Ron Paul 4%, Other 5%, Undecided 3% |
| The Courant/CSRA Sample Size: 401 Margin of Error: ±5% | January 9–17, 2008 | John McCain 39%, Rudy Giuliani 16%, Mitt Romney 11%, Mike Huckabee 8%, Fred Thompson 6%, Ron Paul 2%, Undecided 17% |
| Quinnipiac University | November 1–5, 2007 | Rudy Giuliani 41%, Mitt Romney 13%, John McCain 12%, Fred Thompson 7%, Mike Huckabee 4%, Ron Paul 3%, Duncan Hunter 1%, Tom Tancredo -, Someone else 2%, Wouldn't vote 5%, Undecided 13% |
| Quinnipiac University | Oct 9–15, 2007 | Rudy Giuliani 42%, John McCain 14%, Fred Thompson 10%, Mitt Romney 9%, Ron Paul 3%, Mike Huckabee 2%, Duncan Hunter -, Sam Brownback -, Tom Tancredo -, Someone else 1%, Wouldn't vote 4%, Undecided 15% |
| Quinnipiac University | May 2–7, 2007 | Rudy Giuliani 36%, John McCain 15%, Mitt Romney 9%, Fred Thompson 7%, Newt Gingrich 5%, Ron Paul 2%, George Pataki 1%, Tommy Thompson 1%, Chuck Hagel -, Duncan Hunter -, Sam Brownback -, Mike Huckabee -, Jim Gilmore -, Tom Tancredo -, Someone else 3%, Wouldn't vote 3%, Undecided 17% |
| Quinnipiac University | Feb 9–12, 2007 | Rudy Giuliani 43%, John McCain 27%, Newt Gingrich 5%, Mitt Romney 4%, Chuck Hagel 2%, Duncan Hunter 1%, Sam Brownback 1%, Mike Huckabee 1%, Tommy Thompson 0%, Jim Gilmore 0%, George Pataki 0%, Tom Tancredo 0%, Someone else 3%, Wouldn't vote 0%, Undecided 12% |
| American Research Group | Feb 2–6, 2007 | Rudy Giuliani 32%, John McCain 21%, Mitt Romney 14%, Newt Gingrich 11%, Sam Brownback 2%, Chuck Hagel 1%, Mike Huckabee 1%, George Pataki 1%, Tom Tancredo 1%, Undecided 16% |

### Delaware

Delaware Winner: John McCain Primary Date: February 5, 2008
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 50,237 | February 5, 2008 | John McCain 45%, Mitt Romney 32.5%, Mike Huckabee 15.3%, Ron Paul 4.2%, Rudy Giuliani 2.5%, Tom Tancredo 0.3% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 31 – February 1, 2008 | John McCain 41%, Mitt Romney 35%, Mike Huckabee 7%, Ron Paul 5%, Other 2%, Undecided 10% |

### District of Columbia

District of Columbia Winner: John McCain Primary Date: February 12, 2008
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 5,801 | February 12, 2008 | John McCain 67.7%, Mike Huckabee 16.6%, Ron Paul 8.1%, Mitt Romney 6%, Rudy Giuliani 1.6% |

### Florida

Florida Winner: John McCain Primary Date: January 29, 2008
See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 1,925,728 | January 29, 2008 | John McCain 36%, Mitt Romney 31.1%, Rudy Giuliani 14.6%, Mike Huckabee 13.5%, Ron Paul 3.2%, Fred Thompson 1.2%, Duncan Hunter .1%, Tom Tancredo .1%, Other .2% |
| Insider Advantage Sampling Size: 813 Margin of Error: ±3.5% | January 28, 2008 | John McCain 31%, Mitt Romney 30%, Mike Huckabee 15%, Rudy Giuliani 13%, Ron Paul 2%, Other 2%, Undecided 7% |
| Mitchell Interactive Sampling Size: 964 Margin of Error: ±3.16% | January 27–28, 2008 | Mitt Romney 34%, John McCain 32%, Rudy Giuliani 13%, Mike Huckabee 10%, Ron Paul 3%, Undecided 7% |
| Reuters/C-Span/Zogby Sampling Size: 941 Margin of Error: ±3.3% | January 27–28, 2008 | John McCain 35%, Mitt Romney 31%, Rudy Giuliani 13%, Mike Huckabee 13%, Undecided 5% |
| Survey USA Sampling Size: 979 Margin of Error: ±3.2% | January 27–28, 2008 | John McCain 32%, Mitt Romney 31%, Rudy Giuliani 15%, Mike Huckabee 13%, Ron Paul 6%, Other 1%, Undecided 2% |
| Insider Advantage Sampling Size: 789 Margin of Error: ±3.5% | January 27, 2008 | John McCain 28%, Mitt Romney 27%, Rudy Giuliani 16%, Mike Huckabee 13%, Ron Paul 4%, Other 3%, Undecided 9% |
| Survey USA Sampling Size: 608 Margin of Error: ±4.1% | January 27, 2008 | Mitt Romney 32%, John McCain 31%, Rudy Giuliani 16%, Mike Huckabee 13%, Ron Paul 5%, Other 1%, Undecided 2% |
| Rasmussen Reports Sampling Size: 578 Margin of Error: ±4% | January 27, 2008 | Mitt Romney 31%, John McCain 31%, Rudy Giuliani 16%, Mike Huckabee 11%, Ron Paul 4%, Other 4% |
| ReutersC-Span/Zogby Sampling Size: 818 Margin of Error: ±3.4% | January 25–27, 2008 | John McCain 33%, Mitt Romney 30%, Rudy Giuliani 14%, Mike Huckabee 11%, Ron Paul 2%, Undecided 8% |
| Suffolk University Sampling Size: 400 Margin of Error: ±5% | January 25–27, 2008 | John McCain 30%, Mitt Romney 27%, Rudy Giuliani 13%, Mike Huckabee 11%, Ron Paul 4%, Alan Keyes 1%, Undecided 16% |
| Strategic Vision (note) Sampling Size: 600 Margin of Error: ±4.5% | January 25–27, 2008 | John McCain 27%, Mitt Romney 26%, Rudy Giuliani 17%, Mike Huckabee 15%, Ron Paul 5%, Undecided 10% |
| Quinnipiac University Sampling Size: 585 Margin of Error: ±4.1% | January 24–27, 2008 | John McCain 32%, Mitt Romney 31%, Rudy Giuliani 14%, Mike Huckabee 13%, Ron Paul 3%, Other 1%, Undecided 7% |
| Insider Advantage Sampling Size: 657 Margin of Error: ±3% | January 26, 2008 | Mitt Romney 25%, John McCain 25%, Rudy Giuliani 17%, Mike Huckabee 17%, Ron Paul 6%, Other 3%, Undecided 7% |
| Rasmussen Reports Sampling Size: 500 Margin of Error: ±4% | January 26, 2008 | Mitt Romney 33%, John McCain 27%, Rudy Giuliani 18%, Mike Huckabee 12%, Ron Paul 2%, Other 5%, Undecided 13% |
| Insider Advantage Sampling Size: 692 Margin of Error: ±4% | January 25, 2008 | Mitt Romney 26%, John McCain 24%, Rudy Giuliani 16%, Mike Huckabee 15%, Ron Paul 7%, Other 4%, Undecided 8% |
| ReutersC-Span/Zogby Sampling Size: 814 Margin of Error: ±3.4% | January 24–26, 2008 | John McCain 30%, Mitt Romney 30%, Mike Huckabee 14%, Rudy Giuliani 13%, Ron Paul 3%, Undecided 9% |
| ReutersC-Span/Zogby Sampling Size: 814 Margin of Error: ±3.4% | January 23–25, 2008 | John McCain 31%, Mitt Romney 28%, Rudy Giuliani 15%, Mike Huckabee 10%, Ron Paul 5%, Other 2%, Undecided 9% |
| Insider Advantage Sampling Size: 420 Margin of Error: ±4.8% | January 24, 2008 | John McCain 23.3%, Mitt Romney 23.2%, Rudy Giuliani 15.9%, Mike Huckabee 13.1%, Ron Paul 6.5%, Other 8.3%, Undecided 9.7% |
| Survey USA Sampling Size: 550 Margin of Error: ±4.3% | January 23–24, 2008 | John McCain 30%, Mitt Romney 28%, Rudy Giuliani 18%, Mike Huckabee 14%, Ron Paul 6%, Other 2%, Undecided 3% |
| Insider Advantage Sampling Size: 501 Margin of Error: ±4.4% | January 23, 2008 | John McCain 23%, Mitt Romney 22%, Rudy Giuliani 18%, Mike Huckabee 16%, Ron Paul 4%, Other 7%, Undecided 10% |
| Rasmussen Reports Sampling Size: 675 Margin of Error: ±4% | January 23, 2008 | Mitt Romney 27%, John McCain 23%, Rudy Giuliani 20%, Mike Huckabee 15%, Ron Paul 4%, Other 6%, Undecided 4% |
| Mason Dixon Sampling Size: 400 Margin of Error: ±5% | January 22–23, 2008 | Mitt Romney 30%, John McCain 26%, Rudy Giuliani 18%, Mike Huckabee 15%, Undecided 10% |
| Public Policy Polling Sampling Size: 807 Margin of Error: ±3.5% | January 22, 2008 | Mitt Romney 28%, John McCain 25%, Rudy Giuliani 19%, Mike Huckabee 15%, Ron Paul 5%, Undecided 8% |
| Strategic Vision (note) Sampling Size: 1450 Margin of Error: ±3% | January 20–22, 2008 | John McCain 25%, Rudy Giuliani 22%, Mitt Romney 20%, Mike Huckabee 18%, Fred Thompson 6%, Ron Paul 5%, Undecided 4% |
| St. Petersburg Times Sampling Size: 400 Margin of Error: ±5.1% | January 20–22, 2008 | John McCain 25%, Mitt Romney 23%, Mike Huckabee 15%, Rudy Giuliani 15%, Fred Thompson 4%, Ron Paul 3%, Duncan Hunter 1%, Alan Keyes 1%, Tom Tancredo 1%, Undecided 13% |
| Insider Advantage Sampling Size: 512 Margin of Error: ±4.4% | January 20–21, 2008 | Mitt Romney 24%, Rudy Giuliani 19%, John McCain 18%, Mike Huckabee 12%, Ron Paul 7%, Other 5%, Undecided 15% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 20–21, 2008 | John McCain 29%, Mitt Romney 22%, Mike Huckabee 17%, Rudy Giuliani 16%, Fred Thompson 6%, Ron Paul 6%, Alan Keyes 1%, Undecided 3% |
| Survey USA Sampling Size: 518 Margin of Error: ±4.4% | January 20, 2008 | John McCain 25%, Rudy Giuliani 20%, Mitt Romney 19%, Mike Huckabee 14%, Fred Thompson 7%, Ron Paul 7%, Other 1%, Undecided 7% |
| Rasmussen Reports Sampling Size: 754 Margin of Error: ±4% | January 20, 2008 | Mitt Romney 25%, John McCain 20%, Rudy Giuliani 19%, Mike Huckabee 13%, Fred Thompson 12%, Ron Paul 5%, Undecided 6% |
| Insider Advantage Sampling Size: 446 Margin of Error: ±4.5% | January 15–16, 2008 | Rudy Giuliani 21%, John McCain 20%, Mitt Romney 20%, Mike Huckabee 13%, Fred Thompson 7%, Ron Paul 6%, Undecided 13% |
| Research 2000 Sampling Size: 500 Margin of Error: ±4.5% | January 14–16, 2008 | John McCain 26%, Rudy Giuliani 22%, Mike Huckabee 17%, Mitt Romney 16%, Fred Thompson 7%, Ron Paul 5%, Other 2%, Undecided 5% |
| Strategic Vision (note) Sampling Size: 577 Margin of Error: ±3% | January 11–13, 2008 | John McCain 27%, Mike Huckabee 20%, Rudy Giuliani 18%, Mitt Romney 17%, Fred Thompson 10%, Ron Paul 5%, Duncan Hunter 1%, Undecided 2% |
| Survey USA Sampling Size: 542 Margin of Error: ±4.3% | January 11–13, 2008 | John McCain 25%, Rudy Giuliani 23%, Mitt Romney 18%, Mike Huckabee 18%, Fred Thompson 9%, Ron Paul 4%, Other 2%, Undecided 3% |
| Quinnipiac University Sampling Size: 419 Margin of Error: ±4.8% | January 9–13, 2008 | John McCain 22%, Rudy Giuliani 20%, Mitt Romney 19%, Mike Huckabee 19%, Fred Thompson 7%, Ron Paul 5%, Duncan Hunter 1%, Undecided 7% |
| Rasmussen Reports Sampling Size: 781 Margin of Error: ±4% | January 9–12, 2008 | John McCain 19%, Rudy Giuliani 18%, Mitt Romney 18%, Mike Huckabee 17%, Fred Thompson 11%, Ron Paul 5%, Some Other Candidate 2%, Undecided 10% |
| Survey USA Sampling Size: 502 Margin of Error: ±4.5% | January 9–10, 2008 | John McCain 27%, Rudy Giuliani 19%, Mike Huckabee 17%, Mitt Romney 17%, Fred Thompson 8%, Ron Paul 5%, Other 1%, Undecided 5% |
| Insider Advantage Sampling Size: 340 Margin of Error: ±5.5% | January 7, 2008 | Rudy Giuliani 24%, Mike Huckabee 19%, John McCain 19%, Mitt Romney 13%, Fred Thompson 8%, Ron Paul 5%, Duncan Hunter 1%, No Opinion 11% |
| Quinnipiac University | Dec. 12–18, 2007 | Rudy Giuliani 28%, Mike Huckabee 21%, Mitt Romney 20%, John McCain 13%, Fred Thompson 8%, Ron Paul 2% |
| Survey USA | Dec. 15–16, 2007 | Rudy Giuliani 29%, Mike Huckabee 24%, Mitt Romney 20%, John McCain 10%, Fred Thompson 8% |
| Strategic Vision (note) | Dec. 14–16, 2007 | Rudy Giuliani 25%, Mike Huckabee 21%, John McCain 15%, Mitt Romney 13%, Fred Thompson 10%, Ron Paul 4% |
| Rasmussen Reports | Dec. 13, 2007 | Mike Huckabee 27%, Mitt Romney 23%, Rudy Giuliani 19%, Fred Thompson 9%, John McCain 6%, Ron Paul 4%, Undecided 8% |
| Datamar | Dec 9–13, 2007 | Mike Huckabee 24.8%, Rudy Giuliani 21.0%, Mitt Romney 19.2%, John McCain 9.7%, Fred Thompson 9.4%, Ron Paul 4.5%, Duncan Hunter 1.6%, Tom Tancredo 1.4%, Undecided 8.3% |
| SurveyUSA | Dec 2–4, 2007 | Rudy Giuliani 32%, Mike Huckabee 18%, Mitt Romney 15%, Fred Thompson 14%, John McCain 11%, Other 5%, Undecided 6% |
| Quinnipiac | November 26 – Dec 3, 2007 | Rudy Giuliani 30%, Mitt Romney 12%, Mike Huckabee 11%, Fred Thompson 10%, John McCain 9%, Paul 4%, Hunter 1%, Tancredo 1%, Other 2%, Undecided 17% |
| Datamar | November 16–21, 2007 | Rudy Giuliani 28.8%, Mitt Romney 15.3%, Fred Thompson 13.9%, John McCain 10.4%, Mike Huckabee 6.9%, Ron Paul 4.0%, Duncan Hunter 1.1%, Tom Tancredo 0.9%, Undecided 18.8% |
| Strategic Vision (note) | November 9–11, 2007 | Rudy Giuliani 31%, Fred Thompson 13%, John McCain 13%, Mitt Romney 12%, Mike Huckabee 9%, Ron Paul 4%, Tom Tancredo 2%, Duncan Hunter 1%, Undecided 14% |
| SurveyUSA | November 2–5, 2007 | Rudy Giuliani 34%, Fred Thompson 22%, Mitt Romney 17%, John McCain 10%, Mike Huckabee 8%, Other 5%, Undecided 3% |
| Quinnipiac | Oct 17–22, 2007 | Rudy Giuliani 30%, Fred Thompson 14%, John McCain 14%, Mitt Romney 12%, Mike Huckabee 8%, Paul 1%, Sam Brownback 1%, Hunter 1%, Tancredo 1%, Other 3%, Undecided 11% |
| Quinnipiac | Oct 1–8, 2007 | Rudy Giuliani 27%, Fred Thompson 19%, Mitt Romney 17%, John McCain 8%, Mike Huckabee 4%, Paul 2%, Sam Brownback 1%, Hunter -%, Tancredo 1%, Other 2%, Undecided 16% |
| InsiderAdvantage | Oct 2–3, 2007 | Rudy Giuliani 29%, Fred Thompson 19%, Mitt Romney 16%, John McCain 10%, Mike Huckabee 6%, Ron Paul 3%, Sam Brownback 1%, Duncan Hunter 1%, Undecided 15% |
| Strategic Vision (note) | Sept 21–23, 2007 | Rudy Giuliani 35%, Fred Thompson 24%, Mitt Romney 9%, John McCain 6%, Mike Huckabee 5%, Newt Gingrich 4%, Ron Paul 3%, Tom Tancredo 2%, Sam Brownback 1%, Duncan Hunter 1%, Undecided 10% |
| Rasmussen | Sept 19, 2007 | Rudy Giuliani 29%, Fred Thompson 23%, John McCain 12%, Mitt Romney 11%, Mike Huckabee 3%, Others 2% |
| Mason-Dixon | Sept 17–18, 2007 | Rudy Giuliani 24%, Fred Thompson 23%, Mitt Romney 13%, John McCain 9%, Mike Huckabee 6%, Ron Paul 1%, Duncan Hunter 1%, Tom Tancredo 1%, Sam Brownback <1%, Undecided 22% |
| InsiderAdvantage | Sept 17–18, 2007 | Rudy Giuliani 23.9%, Fred Thompson 23.0%, Mitt Romney 11.9%, John McCain 11.2%, Mike Huckabee 4.7%, Ron Paul 2.5%, Sam Brownback 2.2%, Duncan Hunter 1.1%, Undecided 19.4% |
| American Research Group | Sep 15–18, 2007 | Rudy Giuliani 26%, John McCain 18%, Fred Thompson 16%, Mitt Romney 14%, Newt Gingrich 4%, Ron Paul 3%, Mike Huckabee 3%, Sam Brownback 1%, Duncan Hunter 1%, Tom Tancredo -, Undecided 14% |
| Insider Advantage | Sep 6–10, 2007 | Fred Thompson 27%, Rudy Giuliani 21%, John McCain 9%, Mitt Romney 8%, Mike Huckabee 4%, Sam Brownback 3%, Ron Paul 2%, Duncan Hunter 1%, Undecided 25% |
| Quinnipiac | Sep 3–9, 2007 | Rudy Giuliani 28%, Fred Thompson 17%, Mitt Romney 11%, John McCain 10%, Newt Gingrich 6%, Mike Huckabee 2%, Paul 2%, Sam Brownback -%, Hunter -%, Tancredo -%, Other 4%, Undecided 18% |
| Rasmussen (Likely Primary Voters) Sampling Size: 689 | Aug 13, 2007 | Rudy Giuliani 30%, Fred Thompson 17%, Mitt Romney 15%, John McCain 7%, Mike Huckabee 5% |
| Strategic Vision (R) | Aug 10–12, 2007 | Rudy Giuliani 34%, Fred Thompson 18%, Mitt Romney 10%, John McCain 8%, Newt Gingrich 3%, Mike Huckabee 3%, Tom Tancredo 3%, Ron Paul 2%, Brownback 1%, T. Thompson 1%, Hunter 1%, Undecided 16% |
| Quinnipiac | July 30 – Aug 6, 2007 | Rudy Giuliani 26%, Fred Thompson 19%, John McCain 11%, Mitt Romney 9%, Newt Gingrich 6%, Sam Brownback 2% Mike Huckabee 2%, T. Thompson 1%, Gilmore 0%, Hunter 0%, Paul 0%, Tancredo 0%, Other 3%, Undecided 18% |
| Mason-Dixon | July 23–26, 2007 | Rudy Giuliani 21%, Fred Thompson 18%, John McCain 11%, Mitt Romney 7%, Mike Huckabee 5%, Tommy Thompson 2%, Sam Brownback 1%, Newt Gingrich 1% (write-in), Undecided 34% |
| Rasmussen | July 18–19, 2007 | Rudy Giuliani 22%, Fred Thompson 21%, John McCain 13%, Mitt Romney 13%, Undecided 27% |
| Quinnipiac | July 12–16, 2007 | Rudy Giuliani 30%, Fred Thompson 18%, John McCain 10%, Mitt Romney 9%, Newt Gingrich 5% |
| American Research Group | July 12–15, 2007 | Rudy Giuliani 33%, Fred Thompson 27%, Mitt Romney 12%, John McCain 7%, Gingrich 3%, Brownback 1%, Hagel 1%, Huckabee 1%, Paul 1%, Tommy Thompson 1%, Gilmore -, Hunter -, Pataki -, Tancredo -, Undecided 13% |
| Quinnipiac | June 18–22, 2007 | Rudy Giuliani 27%, Fred Thompson 21%, John McCain 13%, Newt Gingrich 7%, Mitt Romney 6%, Ron Paul 2%, Mike Huckabee 1%, Tom Tancredo 1%, Tommy Thompson 1%, Sam Brownback -, Jim Gilmore -, Duncan Hunter -, Someone Else 2%, Wouldn't Vote 3%, Unsure 18% |
| Strategic Vision (R) | June 15–17, 2007 | Rudy Giuliani 30%, Fred Thompson 24%, John McCain 11%, Mitt Romney 8%, Newt Gingrich 4%, Brownback 2%, Tancredo 2%, Huckabee 2%, Paul 2%, T. Thompson 1%, Gilmore 1%, Hagel 1%, Hunter 1%, Undecided 11% |
| Zogby Poll | June 4–6, 2007 | Rudy Giuliani 31%, John McCain 12%, Mitt Romney 12%, Fred Thompson 10%, Brownback 2%, Huckabee 2%, Hagel 1%, Paul 1%, Sandford 1%, Gilmore 0%, Tancredo 0%, Tommy Thompson 0%, Other 8%, Unsure 22% |
| Quinnipiac University | May 24 – June 4, 2007 | Rudy Giuliani 31%, Fred Thompson 14%, John McCain 10%, Mitt Romney 8%, Newt Gingrich 7%, Brownback 1%, Hunter 1%, Tommy Thompson 1%, Gilmore -, Hagel -, Huckabee -, Pataki -, Paul -, Tancredo -, Other 3%, Don't Know 21% |
| Strategic Vision (R) | May 11–13, 2007 | Rudy Giuliani 32%, John McCain 20%, Fred Thompson 10%, Newt Gingrich 7%, Mitt Romney 5%, Sam Brownback 3%, Tancredo 2%, Huckabee 2%, Paul 2%, Tommy Thompson 1%, Gilmore 1%, Hagel 1%, Hunter 1%, Undecided 13% |
| St. Petersburg Times | May 6–9, 2007 | Rudy Giuliani 29%, John McCain 15%, Mitt Romney 14%, Fred Thompson 9%, Newt Gingrich 8%, Huckabee 2%, Brownback 1%, Gilmore 1%, Paul 1%, Tommy Thompson 1%, Hunter -, Other 1%, Undecided 17% |
| American Research Group | May 4–8, 2007 | Rudy Giuliani 31%, John McCain 18%, Mitt Romney 11%, Fred Thompson 13%, Newt Gingrich 8%, Brownback 1%, Hagel 1%, Huckabee 1%, Hunter 1%, Tancredo 1%, Tommy Thompson 1%, Gilmore -, Pataki -, Paul -, Undecided 13% |
| Quinnipiac University | Mar 21- Mar 27, 2007 | Rudy Giuliani 35%, John McCain 15%, Newt Gingrich 11%, Fred Thompson 6%, Mitt Romney 5%, Sam Brownback 1%, Tommy Thompson 1%, Ron Paul 1%, Mike Huckabee 0%, Duncan Hunter 0%, Tom Tancredo 0%, Jim Gilmore 0%, Chuck Hagel 0%, George Pataki 0%, Someone else 3%, Undecided 19% |
| Strategic Vision (note) | Mar 9- Mar 11, 2007 | Rudy Giuliani 36%, John McCain 21%, Mitt Romney 8%, Newt Gingrich 6%, Sam Brownback 4%, Tom Tancredo 4%, Mike Huckabee 2%, Tommy Thompson 2%, Duncan Hunter 1%, Jim Gilmore 0%, Chuck Hagel 1%, Undecided 14% |
| Quinnipiac University | Feb 25 – Mar 1, 2007 | Rudy Giuliani 38%, John McCain 18%, Newt Gingrich 14%, Mitt Romney 6%, Sam Brownback 1%, Mike Huckabee 1%, Duncan Hunter 1%, Tom Tancredo 1%, Tommy Thompson 1%, Jim Gilmore 0%, Chuck Hagel 0%, Ron Paul 0%, George Pataki 0%, Someone else 2%, Undecided 16% |
| Elon University | Feb 18–22, 2007 | Rudy Giuliani 29.5%, John McCain 11.5%, Mitt Romney 4.9%, Newt Gingrich 1.6%, Don't Know/Too Early to Tell 52.5% |
| Quinnipiac University | January 29 – Feb 4, 2007 | Rudy Giuliani 29%, John McCain 23%, Newt Gingrich 14%, Mitt Romney 6%, George Pataki 2%, Tommy Thompson 2%, Sam Brownback 1%, Chuck Hagel 0%, Duncan Hunter 0%, Mike Huckabee 0%, Jim Gilmore 0%, Tom Tancredo 0%, Someone else 3%, Wouldn't vote 2%, Undecided 19% |
| American Research Group | January 4–7, 2007 | Rudy Giuliani 30%, Newt Gingrich 16%, John McCain 15%, Chuck Hagel 2%, Mitt Romney 2%, Mike Huckabee 1%, George Pataki 1%, Undecided 32% |

### Georgia

Georgia Winner: Mike Huckabee Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 960,372 | February 5, 2008 | Mike Huckabee 34%, John McCain 31.6%, Mitt Romney 30.2%, Ron Paul 2.9%, Rudy Giuliani 0.7%, Fred Thompson 0.4%, Duncan Hunter 0.1%, Others 0.2% |
| InsiderAdvantage Sampling Size: 1212 | February 4, 2008 | Mike Huckabee 32.4%, John McCain 31.5%, Mitt Romney 29.2%, Ron Paul 2.7%, Other .8%, Undecided 3.4% |
| Strategic Vision (note) Sampling Size: 600 Margin of Error: ±4.5% | February 1–3, 2008 | John McCain 31%, Mitt Romney 29%, Mike Huckabee 26%, Ron Paul 5%, Undecided 9% |
| Rasmussen Reports Sampling Size: 783 Margin of Error: ±4% | February 2, 2008 | John McCain 31%, Mitt Romney 29%, Mike Huckabee 28%, Ron Paul 6%, Undecided 6% |
| InsiderAdvantage Sampling Size: 388 | February 2, 2008 | Mitt Romney 30.1%, John McCain 28.9%, Mike Huckabee 27.9%, Ron Paul 2.4%, Other 4%, Undecided 10.3% |
| Public Policy Polling Sampling Size: 862 Margin of Error: ±3.3% | January 30, 2008 | Mitt Romney 32%, John McCain 31%, Mike Huckabee 24%, Ron Paul 3%, Undecided 10% |
| McClatchy/MSNBC/Mason Dixon Sampling Size: 400 Margin of Error: ±4.6% | January 30, 2008 | John McCain 33%, Mitt Romney 27%, Mike Huckabee 18%, Ron Paul 4%, Undecided 17% |
| InsiderAdvantage Sampling Size: 362 | January 30, 2008 | John McCain 35%, Mike Huckabee 24%, Mitt Romney 24%, Ron Paul 5%, Other 1%, Undecided 11% |
| Rasmussen Reports Sampling Size: 768 Margin of Error: ±4% | January 22, 2008 | Mike Huckabee 34%, John McCain 19%, Mitt Romney 16%, Ron Paul 12%, Rudy Giuliani 11%, Undecided 8% |
| Mason Dixon/AJC Sampling Size: 400 Margin of Error: ±5% | January 7–10, 2008 | Mike Huckabee 31%, John McCain 18%, Mitt Romney 14%, Rudy Giuliani 9%, Fred Thompson 8% |
| Insider Advantage (R) Margin of Error: +/- 4% Sample Size: 823 | Dec 17 – Dec 18 2007 | Mike Huckabee 36%, Rudy Giuliani 14%, Mitt Romney 12%, Fred Thompson 10%, John McCain 10%, Ron Paul 4%, Duncan Hunter 2%, Tom Tancredo 1%, Undecided 11% |
| Stragetic Vision (R) | Dec 7 – Dec 9 2007 | Mike Huckabee 23%, Fred Thompson 20%, Rudy Giuliani 17%, John McCain 11%, Mitt Romney 10%, Ron Paul 4%, Tom Tancredo 2%, Duncan Hunter 1%, Undecided 12% |
| Strategic Vision (R) | Oct 19 – Oct 21 2007 | Fred Thompson 39%, Rudy Giuliani 20%, John McCain 9%, Mike Huckabee 7%, Mitt Romney 6%, Ron Paul 3%, Tom Tancredo 2%, Duncan Hunter 1%, Undecided 13% |
| Strategic Vision (R) | Sept 7 – Sept 9 2007 | Fred Thompson 32%, Rudy Giuliani 17%, Newt Gingrich 9%, John McCain 8%, Mitt Romney 6%, Mike Huckabee 6%, Sam Brownback 2%, Tom Tancredo 2%, Ron Paul 2%, Duncan Hunter 1%, Undecided 15% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (509 R, 91 I) | Aug 2–6, 2007 | Fred Thompson 27%, Rudy Giuliani 20%, Mitt Romney 14%, Newt Gingrich 13%, John McCain 7%, Mike Huckabee 3%, Sam Brownback 2%, Ron Paul 2%, T. Thompson 1%, Hunter -, Tancredo -, Undecided 12% |
| Strategic Vision (R) | June 27, 2007 | Fred Thompson 25%, Rudy Giuliani 20%, John McCain 11%, Newt Gingrich 7%, Mitt Romney 6%, Mike Huckabee 5%, Sam Brownback 4%, Tom Tancredo 2%, Ron Paul 2%, Tommy Thompson 1%, Chuck Hagel 1%, Jim Gilmore 1%, Duncan Hunter 1%, Undecided 14% |
| Strategic Vision (R) | Apr 11, 2007 | Rudy Giuliani 23%, John McCain 17%, Fred Thompson 12%, Newt Gingrich 10%, Mitt Romney 5%, Tom Tancredo 3%, Sam Brownback 3%, Tommy Thompson 3%, Mike Huckabee 2%, Chuck Hagel 1%, Jim Gilmore 1%, Ron Paul 1%, Duncan Hunter 1%, Undecided 18% |
| Insider Advantage | Mar 23–25, 2007 | Newt Gingrich 25%, Rudy Giuliani 24%, John McCain 13%, Fred Thompson 9%, Mitt Romney 7%, Undecided 20%, Other 1% |
| Elon University Sample Size: 47 | Feb 18–22, 2007 | Rudy Giuliani 25.5%, John McCain 12.8%, Newt Gingrich 2.1%, Bill Frist 2.1%, Too Early to Know/Undecided 57.4% |
| Strategic Vision (note) | January 12–14, 2007 | Rudy Giuliani 27%, John McCain 24%, Newt Gingrich 12%, Mitt Romney 7%, Mike Huckabee 3%, Sam Brownback 2%, Tom Tancredo 2%, Tommy Thompson 2%, George Pataki 1%, Chuck Hagel 1%, Jim Gilmore 1%, Duncan Hunter 0%, Undecided 18% |

### Idaho

Idaho Winner: John McCain Primary Date: May 27, 2008
| Poll Source | Date | Highlights |
| Primary results | May 27, 2008 | John McCain 69.7%, Ron Paul 23.7%, None of the Names Shown 6.6% |
| Greg Smith & Associates | July 11–13, 2007 | Mitt Romney 38%, Rudy Giuliani 20%, Fred Thompson 18%, John McCain 14%, Other 3%, Undecided 7% |

### Illinois

Illinois Winner: John McCain Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 895,247 | February 5, 2008 | John McCain 47.4%, Mitt Romney 28.7%, Mike Huckabee 16.5%, Ron Paul 5%, Rudy Giuliani 1.3%, Fred Thompson 0.8%, Others 0.3% |
| American Research Group Sampling Size: 600 Margin of Error: ±4.0% | January 30–31, 2008 | John McCain 48%, Mitt Romney 34%, Mike Huckabee 3%, Ron Paul 3%, Undecided 9%, Other 3% |
| Chicago Tribune/WGN TV Sampling Size: 500 Margin of Error: ±4.4% | January 29–31, 2008 | John McCain 43%, Mitt Romney 20%, Mike Huckabee 15%, Ron Paul 4%, Undecided 17% |
| Rasmussen Sampling Size: 504 Margin of Error: ±4% | January 29, 2008 | John McCain 34%, Mitt Romney 26%, Mike Huckabee 16%, Ron Paul 10% |
| Research 2000 Sampling Size: 500 Margin of Error: ±4.5% | January 21–24, 2008 | John McCain 31%, Mitt Romney 20%, Rudy Giuliani 13%, Mike Huckabee 11%, Ron Paul 7%, Undecided 18% |
| Chicago Tribune Margin of Error: ±4.4% Sample Size: 500 | December 9–13, 2007 | Rudy Giuliani 23%, Mike Huckabee 21%, Mitt Romney 14%, John McCain 12%, Fred Thompson 11%, Ron Paul 3%, Tom Tancredo 1%, Other 1%, Undecided 14% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (522 R, 78 I) | July 6–9, 2007 | Rudy Giuliani 30%, Fred Thompson 21%, John McCain 12%, Mitt Romney 11%, Newt Gingrich 5%, Mike Huckabee 2%, Sam Brownback 1%, Chuck Hagel 1%, Ron Paul 1%, Tom Tancredo 1%, Tommy Thompson 1%, Gilmore 0%, Duncan Hunter 0%, Pataki 0%, Undecided 14% |
| Capitol Fax/Ask Illinois | April 27–30, 2007 | John McCain 26.1%, Rudy Giuliani 25.7%, Fred Thompson 17.7%, Mitt Romney 10.2%, Tommy Thompson 3.3%, Undecided/Other 17% |
| American Research Group | January 11–14, 2007 | Rudy Giuliani 33%, John McCain 24%, Mitt Romney 12%, Newt Gingrich 8%, Sam Brownback 4%, Tommy Thompson 4%, Chuck Hagel 3%, Duncan Hunter 1%, Gilmore 0%, Mike Huckabee 0%, Pataki 0%, Undecided 11% |

### Iowa

Iowa Winner: Mike Huckabee Caucus Date: January 3, 2008
See also
| Poll Source | Date | Highlights |
| Caucus results Sampling Size: 118,696 | January 3, 2008 | Mike Huckabee 34.4%, Mitt Romney 25.2%, Fred Thompson 13.4%, John McCain 13.1%, Ron Paul 10%, Rudy Giuliani 3.5%, Duncan Hunter .4% |
| Insider Advantage | January 1, 2008 | Mike Huckabee 30%, Mitt Romney 24.1%, Fred Thompson 11.3%, John McCain 10.9%, Ron Paul 7.1%, Rudy Giuliani 4.8%, Duncan Hunter 1.3%, Undecided 10.5% |
| American Research Group Sample Size: 600 Margin of Error: ±4% | December 31, 2007 – January 2, 2007 | Mike Huckabee 29%, Mitt Romney 24%, Fred Thompson 13%, John McCain 11%, Rudy Giuliani 8%, Ron Paul 6%, Duncan Hunter 4%, Alan Keyes 1%, Undecided 4% |
| Zogby International Sample Size: 914 Margin of Error: ±3.3% | December 30, 2007 – January 2, 2008 | Mike Huckabee 31%, Mitt Romney 25%, Fred Thompson 11%, John McCain 10%, Ron Paul 10%, Rudy Giuliani 6%, Duncan Hunter 1%, Undecided 6% |
| Zogby International Sample Size: 882 Margin of Error: ±3.3% | December 29, 2007 – January 1, 2008 | Mike Huckabee 28%, Mitt Romney 26%, John McCain 12%, Fred Thompson 12%, Ron Paul 9%, Rudy Giuliani 7%, Duncan Hunter 1%, Undecided 6% |
| Zogby International Sample Size: 903 Margin of Error: ±3.3% | December 28–31, 2007 | Mike Huckabee 29%, Mitt Romney 25%, John McCain 12%, Fred Thompson 10%, Rudy Giuliani 8%, Ron Paul 7%, Duncan Hunter 1%, Undecided 6% |
| Des Moines Register Sample Size: 800 Margin of Error: ±3.5% | December 27–30, 2007 | Mike Huckabee 32%, Mitt Romney 26%, John McCain 13%, Ron Paul 9%, Fred Thompson 9%, Rudy Giuliani 5%, Alan Keyes 1%, Duncan Hunter 1%, Undecided 4% |
| Zogby International Sample Size: 876 Margin of Error: ±3.3% | December 27–30, 2007 | Mike Huckabee 29%, Mitt Romney 27%, John McCain 13%, Fred Thompson 8%, Rudy Giuliani 7%, Ron Paul 7%, Duncan Hunter 1%, Undecided 6% |
| CNN/Opinion Research Corp. Sample Size: 373 Margin of Error: ±5% | December 26–30, 2007 | Mitt Romney 31%, Mike Huckabee 28%, Fred Thompson 13%, John McCain 10%, Rudy Giuliani 8%, Ron Paul 8%, Duncan Hunter <0.5% |
| Zogby International Sample Size: 867 Margin of Error: ±3.4% | December 26–29, 2007 | Mike Huckabee 29%, Mitt Romney 28%, John McCain 11%, Fred Thompson 8%, Rudy Giuliani 8%, Ron Paul 8%, Duncan Hunter 1%, Undecided 6% |
| MSNBC/Mason-Dixon Sample Size: 400 Margin of Error: ±5% | December 26–28, 2007 | Mitt Romney 27%, Mike Huckabee 23%, Fred Thompson 14%, John McCain 13%, Rudy Giuliani 5%, Ron Paul 5%, Duncan Hunter 1%, Undecided 12% |
| American Research Group Sample Size: 600 Margin of Error: ±4% | December 26–28, 2007 | Mitt Romney 32%, Mike Huckabee 23%, John McCain 11%, Fred Thompson 7%, Rudy Giuliani 6%, Ron Paul 6%, Duncan Hunter 2%, Undecided 11% |
| Strategic Vision (R) Sampling Size: 600LV Margin of Error: ± 4.5% | December 26–27, 2007 | Mike Huckabee 29%, Mitt Romney 27%, Fred Thompson 15%, John McCain 14%, Rudy Giuliani 4%, Ron Paul 4%, Duncan Hunter 1%, Undecided 6% |
| LA Times/Bloomberg | December 20–23, 26, 2007 | Mike Huckabee 37%, Mitt Romney 23%, John McCain 11%, Fred Thompson 11%, Rudy Giuliani 6%, Ron Paul 2%, Duncan Hunter 1%, Undecided 9% |
| American Research Group Sampling Size: 600 Margin of Error: ± 4% | December 20–23, 2007 | Mike Huckabee 23%, Mitt Romney 21%, John McCain 17%, Rudy Giuliani 14%, Ron Paul 10%, Fred Thompson 3%, Duncan Hunter 2%, Alan Keyes 2%, Undecided 8% |
| American Research Group Sampling Size: 600 Margin of Error: ± 4% | December 16–19, 2007 | Mike Huckabee 28%, John McCain 20%, Mitt Romney 17%, Rudy Giuliani 13%, Fred Thompson 5%, Ron Paul 4%, Tom Tancredo 1%, Alan Keyes 1%, Duncan Hunter -%, Undecided 11% |
| Rasmussen Reports Sampling Size: 496 Margin of Error: ± 4% | December 17, 2007 | Mike Huckabee 28%, Mitt Romney 27%, John McCain 14%, Rudy Giuliani 8%, Fred Thompson 8%, Ron Paul 6%, Tom Tancredo 2%, Duncan Hunter 1% |
| Rasmussen Reports Sampling Size: 789 | December 10, 2007 | Mike Huckabee 39%, Mitt Romney 23%, Fred Thompson 8%, Rudy Giuliani 8%, John McCain 6%, Ron Paul 5%, Tom Tancredo 3%, Duncan Hunter 1% |
| Newsweek Sampling Size: 540 Margin of Error: ± 3% | December 5–6, 2007 | Mike Huckabee 39%, Mitt Romney 17%, Fred Thompson 10%, Rudy Giuliani 9%, Ron Paul 8%, John McCain 6%, Tom Tancredo 2%, Duncan Hunter 0%, Other 1%, Undecided 8% |
| Mason-Dixon Sampling Size: 400 Margin of Error: ± 5% | December 3–6, 2007 | Mike Huckabee 32%, Mitt Romney 20%, Fred Thompson 11%, John McCain 7%, Rudy Giuliani 5%, Ron Paul 2%, Duncan Hunter 1%, Alan Keyes 1%, Undecided 19% |
| American Research Group Sampling Size: 600 Margin of Error: ± 4% | November 26–29, 2007 | Mitt Romney 28%, Mike Huckabee 27%, Fred Thompson 14%, Rudy Giuliani 9%, John McCain 9%, Ron Paul 3%, Tom Tancredo 1%, Duncan Hunter -%, Alan Keyes -%, Undecided 9% |
| Des Moines Register | November 25–28, 2007 | Mike Huckabee 29%, Mitt Romney 24%, Rudy Giuliani 13%, Fred Thompson 9%, John McCain 7%, Ron Paul 7%, Tom Tancredo 6%, Duncan Hunter 1%, John Cox -%, Alan Keyes -%, Undecided 4% |
| Rasmussen | November 26–27, 2007 | Mike Huckabee 28%, Mitt Romney 25%, Rudy Giuliani 12%, Fred Thompson 11%, Ron Paul 5%, John McCain 4% |
| Pew Research Center Sampling Size: 264 Margin of Error: ±7% | November 7–25, 2007 | Mitt Romney 25%, Mike Huckabee 24%, Rudy Giuliani 14%, Fred Thompson 12%, John McCain 5%, Ron Paul 5%, Tom Tancredo 3%, Duncan Hunter 1%, Other 10% |
| ABC News/Wash Post | November 14–18, 2007 | Mitt Romney 28%, Mike Huckabee 24%, Fred Thompson 15%, Rudy Giuliani 13%, John McCain 6%, Ron Paul 6%, Tom Tancredo 2%, Duncan Hunter 1%, Undecided 4% |
| KCCI Des Moines Sampling Size: 600 Margin of Error: ± 4% | November 12–14, 2007 | Mitt Romney 27%, Mike Huckabee 18%, Rudy Giuliani 16%, Fred Thompson 10%, John McCain 6%, Ron Paul 5%, Tom Tancredo 2%, Duncan Hunter 1%, Undecided 15% |
| American Research Group Sampling Size: 600 Margin of Error: ± 4% | November 10–14, 2007 | Mitt Romney 26%, Mike Huckabee 24%, Rudy Giuliani 11%, Fred Thompson 11%, John McCain 10%, Ron Paul 3%, Tom Tancredo 1%, Duncan Hunter 1%, Keyes -, Undecided 13% |
| Rasmussen Reports Sampling Size: 825 Margin of Error: ± 3.5% | November 9–12, 2007 | Mitt Romney 29%, Mike Huckabee 16%, Rudy Giuliani 15%, Fred Thompson 14%, John McCain 6%, Ron Paul 4%, Tom Tancredo 4%, Duncan Hunter 2%, Undecided 9% |
| CBS News/New York Times Sampling Size: 1273 Margin of Error: +/- 5% | November 2–11, 2007 | Mitt Romney 27%, Mike Huckabee 21%, Rudy Giuliani 15%, Fred Thompson 9%, Ron Paul 4%, John McCain 4%, Tom Tancredo 3%, Duncan Hunter 2%, Undecided 14% |
| Zogby Sampling Size: 410 Margin of Error: +/- 5.0% | November 6–7, 2007 | Mitt Romney 31%, Mike Huckabee 15%, Rudy Giuliani 11%, Fred Thompson 10%, John McCain 8%, Ron Paul 4%, Tom Tancredo 3%, Duncan Hunter 1%, Other 1%, Not Sure 16% |
| American Research Group | October 26–29, 2007 | Mitt Romney 27%, Mike Huckabee 19%, Rudy Giuliani 16%, John McCain 14%, Fred Thompson 8%, Tom Tancredo 2%, Ron Paul 1%, Duncan Hunter -%, Alan Keyes -%, Undecided 13% |
| University of Iowa Hawkeye Poll Margin of Error: +/- 5.8% Sampling Size: 285 | October 17–24, 2007 | Mitt Romney 36.2%, Rudy Giuliani 13.1%, Mike Huckabee 12.8%, Fred Thompson 11.4%, John McCain 6.0%, Tom Tancredo 2.2%, Others 3.5%, Undecided 14.9% |
| Rasmussen Reports | October 10 & 14, 2007 | Mitt Romney 25%, Fred Thompson 19%, Mike Huckabee 18%, Rudy Giuliani 13%, John McCain 6%, Sam Brownback 3%, Ron Paul 2%, Tom Tancredo 2%, Duncan Hunter 1%, Undecided 11% |
| InsiderAdvantage | October 2–3, 2007 | Mitt Romney 24%, Rudy Giuliani 16%, Fred Thompson 13%, Mike Huckabee 13%, John McCain 10%, Sam Brownback 5%, Ron Paul 4%, Duncan Hunter 2%, Undecided 13% |
| Des Moines Register | October 1–3, 2007 | Mitt Romney 29%, Fred Thompson 18%, Mike Huckabee 12%, Rudy Giuliani 11%, John McCain 7%, Tom Tancredo 5%, Ron Paul 4%, Sam Brownback 2%, Alan Keyes 2%, Duncan Hunter 1%, John Cox -, Undecided 9% |
| American Research Group | September 26–29, 2007 | Mitt Romney 22%, Rudy Giuliani 21%, Fred Thompson 16%, John McCain 11%, Newt Gingrich 5%, Mike Huckabee 4%, Ron Paul 2%, Duncan Hunter 2%, Sam Brownback 2%, Alan Keyes 1%, Tom Tancredo 1%, Undecided 13% |
| Newsweek (All Republican voters) | September 26–27, 2007 | Mitt Romney 25%, Fred Thompson 16%, Rudy Giuliani 15%, John McCain 7%, Mike Huckabee 6%, Tom Tancredo 3%, Sam Brownback 3%, Ron Paul 2%, Duncan Hunter 1%, Undecided 21% |
| Newsweek (Likely caucus-goers) | September 26–27, 2007 | Mitt Romney 24%, Fred Thompson 16%, Rudy Giuliani 13%, Mike Huckabee 12%, John McCain 9%, Ron Paul 5%, Tom Tancredo 3%, Sam Brownback 2%, Duncan Hunter 1%, Undecided 15% |
| Los Angeles Times/Bloomberg Poll | September 6–10, 2007 | Mitt Romney 28%, Rudy Giuliani 16%, Fred Thompson 16%, Mike Huckabee 8%, John McCain 7%, Tom Tancredo 3%, Ron Paul 2%, Sam Brownback 2%, Duncan Hunter 1%, Undecided 15% |
| American Research Group | August 26–29, 2007 | Mitt Romney 27%, Rudy Giuliani 17%, Mike Huckabee 14%, Fred Thompson 13%, Newt Gingrich 7%, John McCain 5%, Hunter 1%, Paul 1%, Brownback -, Tancredo -, Undecided 15% |
| McLaughlin & Associates | August 20–21, 2007 | Mitt Romney 35%, Rudy Giuliani 12%, Fred Thompson 11%, Mike Huckabee 11%, Tom Tancredo 9%, John McCain 7%, Sam Brownback 2%, Ron Paul 1%, Duncan Hunter 1%, Firm Undecided 10% |
| University of Iowa (Most Likely Caucus Goers) | July 29 – August 5, 2007 | Mitt Romney 27.8%, Rudy Giuliani 11.7%, Fred Thompson 7.6%, Tom Tancredo 5.4%, Sam Brownback 4%, John McCain 3.1%, Mike Huckabee 1.8%, Other 11.2%, Undecided 27.4% |
| ABC News/Washington Post | July 26–31, 2007 | Mitt Romney 25%, Rudy Giuliani 14%, Fred Thompson 13%, Mike Huckabee 8%, John McCain 8%, Sam Brownback 5%, Tom Tancredo 5%, Newt Gingrich 4%, Tommy Thompson 4%, Ron Paul 2%, Duncan Hunter 1%, Other (vol) 1%, None of the Above 3%, Undecided 7% |
| American Research Group Margin of Error: +/- 4% Sampling Size: 600 | July 26–30, 2007 | Rudy Giuliani 22%, Mitt Romney 21%, John McCain 17%, Fred Thompson 13%, Newt Gingrich 4%, Tommy Thompson 2%, Duncan Hunter 2%, Sam Brownback 1%, Mike Huckabee 1%, Ron Paul 1%, Tom Tancredo 1%, Undecided 15% |
| American Research Group | June 26–30, 2007 | Mitt Romney 25%, Rudolph Giuliani 18%, Fred Thompson 14%, John McCain 13%, Newt Gingrich 5%, Tommy Thompson 3%, Sam Brownback 3%, Mike Huckabee 1%, Ron Paul 1%, Tom Tancredo 1%, Duncan Hunter 1%, Chuck Hagel 1%, Undecided 14% |
| Mason-Dixon | June 16, 2007 | Mitt Romney 25%, Fred Thompson 17%, Rudolph Giuliani 15%, Mike Huckabee 7%, Sam Brownback 6%, John McCain 6%, Undecided 21% |
| Voter/Consumer Research (R) | May 29–31, 2007 | Mitt Romney 29%, Rudy Giuliani 12%, Newt Gingrich 10%, Fred Thompson 10%, John McCain 9%, Mike Huckabee 7% |
| Public Policy Polling (R) | May 30, 2007 | Mitt Romney 31%, Fred Thompson 15%, Newt Gingrich 10%, John McCain 9%, Rudy Giuliani 8%, Tommy Thompson 5%, Brownback 4%, Mike Huckabee 4%, Tom Tancredo 4%, Ron Paul 2%, Duncan Hunter 1%, Jim Gilmore 0%, Undecided 8% |
| American Research Group | May 23–25, 2007 | John McCain 25%, Rudy Giuliani 23%, Mitt Romney 16%, Newt Gingrich 8%, Fred Thompson 6%, Brownback 3%, Chuck Hagel 2%, Mike Huckabee 2%, Tancredo 2%, Tommy Thompson 2%, Jim Gilmore 1%, Duncan Hunter -, Pataki -, Ron Paul -, Undecided 10% |
| Des Moines Register (likely Caucus-goers) | May 12–16, 2007 | Mitt Romney 30%, John McCain 18%, Rudy Giuliani 17%, Tommy Thompson 7%, Sam Brownback 5%, Mike Huckabee 4%, Tom Tancredo 4%, John Cox 1%, Gilmore 1%, Hunter 1%, Paul -, Undecided 12% |
| Zogby | May 14–15, 2007 | Mitt Romney 19%, Rudy Giuliani 18%, John McCain 18%, Fred Thompson 9%, Tommy Thompson 4%, Tom Tancredo 3%, Sam Brownback 2%, Mike Huckabee 2%, Chuck Hagel -, Undecided 22% |
| American Research Group | April 27–30, 2007 | John McCain 26%, Rudy Giuliani 19%, Mitt Romney 14%, Fred Thompson 13%, Newt Gingrich 8%, Mike Huckabee 2%, Tom Tancredo 2%, Sam Browback 1%, Jim Gilmore 1%, Chuck Hagel 1%, Tommy Thompson 1%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Undecided 13% |
| University of Iowa (Likely Caucus Goers) | Mar 19–31, 2007 | John McCain 20.9%, Rudy Giuliani 20.3%, Mitt Romney 16.9%, Undecided 23.2% |
| American Research Group | Mar 23, 2007 | John McCain 29%, Rudy Giuliani 29%, Fred Thompson 12%, Mitt Romney 10%, Newt Gingrich 7%, Chuck Hagel 1%, Tom Tancredo 1%, Tommy Thompson 1%, Sam Brownback 0%, Jim Gilmore 0%, Duncan Hunter 0%, Mike Huckabee 0%, George Pataki 0%, Ron Paul 0%, Undecided 11% |
| Zogby International Margin of Error: +/- 4.6% Sample Size: 465 likely caucus goers | January 15–16, 2007 | Rudy Giuliani 19%, John McCain 17%, Newt Gingrich 13%, Condoleezza Rice 9%, Mitt Romney 5%, Tom Tancredo 2%, Chuck Hagel 2%, Sam Brownback 1%, Tommy Thompson 1%, Mike Huckabee 1%, George Pataki 1%, Undecided 22% |
| American Research Group | Dec 19–23, 2006 | Rudy Giuliani 28%, John McCain 26%, Newt Gingrich 18%, Chuck Hagel 6%, Mitt Romney 6%, Sam Brownback 1%, Mike Huckabee 1%, Jim Gilmore 0%, Duncan Hunter 0%, George Pataki 0%, Tommy Thompson 0%, Undecided 14% |

### Kansas

Kansas Winner: Mike Huckabee Caucus Date: February 9, 2008
| Poll Source | Date | Highlights |
| Caucus results Sampling Size: 19,516 | February 9, 2008 | Mike Huckabee 59.6%, John McCain 23.5%, Ron Paul 11.2%, Mitt Romney 3.3%, Uncommitted 0.4%, Fred Thompson 0.3%, Rudy Giuliani 0.2%, Others 1.5% |
| Research 2000 Margin of Error: 5% Sampling Size: 400 | May 21–23, 2007 | Sam Brownback 18%, Mitt Romney 17%, Rudy Giuliani 13%, John McCain 13%, Fred Thompson 7%, Newt Gingrich 6%, Tom Tancredo 2%, All Others >1% |

### Louisiana

Louisiana Winner: Mike Huckabee Primary Date February 9, 2008
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 161,319 | February 9, 2008 | Mike Huckabee 43.2%, John McCain 41.9%, Mitt Romney 6.3%, Ron Paul 5.3%, Fred Thompson 1.0%, Rudy Giuliani 1.0%, Duncan Hunter 0.2%, Tom Tancredo 0.1%, Others 1.0% |

### Maine

Maine Winner: Mitt Romney
Caucus Dates: February 1–3, 2008 See also
| Poll Source | Date | Highlights |
| Caucus results Sampling Size: 4,543 | February 1, 2008 | Mitt Romney 52%, John McCain 21.1%, Ron Paul 18.7%, Mike Huckabee 5.9%, Fred Thompson 0.1%, Others 2.2% |
| Critical Insights | October 10–24, 2007 | Mitt Romney 15%, Rudy Giuliani 11%, Fred Thompson 9%, John McCain 7%, Someone else 7%, Undecided 51% |
| Critical Insights | April 20–27, 2007 | Rudy Giuliani 24%, John McCain 21%, Mitt Romney 12%, Fred Thompson 9%, Someone else 9%, Undecided 25% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (498 R, 102 I) | Feb 2–6, 2007 | Rudy Giuliani 33%, John McCain 22%, Newt Gingrich 13%, Mitt Romney 13%, Chuck Hagel 1%, Sam Brownback 0%, Jim Gilmore 0%, Mike Huckabee 0%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Tom Tancredo 0%, Tommy Thompson 0%, Undecided 18% |
| American Research Group | April 25 – May 2, 2006 | John McCain 39%, Newt Gingrich 9%, Mitt Romney 8%, Bill Frist 3%, George Allen 1%, Sam Brownback 1%, Chuck Hagel 1%, George Pataki 1%, Undecided 37% |
| American Research Group | Feb 2006 | John McCain 39%, Mitt Romney 10%, Newt Gingrich 7%, Bill Frist 2%, George Pataki 2%, Undecided 39% |

### Maryland

Maryland Winner: John McCain Primary Date: February 12, 2008
| Poll Source | Date | Highlights |
| Primary results Sample Size: 297,217 | February 12, 2008 | John McCain 55.1%, Mike Huckabee 29.1%, Mitt Romney 6.3%, Ron Paul 6%, Rudy Giuliani 1.3%, Fred Thompson 0.9%, Duncan Hunter 0.2%, Tom Tancredo 0.1%, Others 1% |
| Survey USA Sample Size: 368 Margin of Error: ± 5.2% | February 9–10, 2008 | John McCain 52%, Mike Huckabee 26%, Ron Paul 10%, Other 8%, Undecided 4% |
| American Research Group Sample Size: 600 Margin of Error: ± 4% | February 8–9, 2008 | John McCain 50%, Mike Huckabee 25%, Ron Paul 11%, Other 6%, Undecided 7% |
| Mason Dixon Sampling Size: 400 Margin of Error: ± 5% | February 7–8, 2008 | John McCain 54%, Mike Huckabee 23%, Ron Paul 7%, Others 3%, Undecided 13% |
| Survey USA Sample Size: 360 Margin of Error: ± 5.2% | February 7–8, 2008 | John McCain 56%, Mike Huckabee 17%, Ron Paul 10%, Other 12%, Undecided 4% |
| Baltimore Sun/Opinion Works Sample Size: 304 Margin of Error: ± 5.6% | January 6–9, 2008 | John McCain 26%, Mike Huckabee 18%, Rudy Giuliani 16%, Mitt Romney 12%, Fred Thompson 6%, Other 7%, Undecided 13%, Refused 2%, Will Not Vote 1% |
| WashingtonPost Margin of Error: +/- 3% Sample Size: 1,103 Adults | October 18–27, 2007 | Rudy Giuliani 39%, John McCain 18%, Fred Thompson 14%, Mitt Romney 10%, Ron Paul 4%, Mike Huckabee 2%, Tom Tancredo 2%, Duncan Hunter 0% |
| OpinionWorks | August 24–26, 2007 | Rudy Giuliani 32%, John McCain 13%, Fred Thompson 12%, Mitt Romney 8%, Undecided 29% |

### Massachusetts

Massachusetts Winner: Mitt Romney Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 497,531 | February 5, 2008 | Mitt Romney 51.3%, John McCain 41%, Mike Huckabee 3.9%, Ron Paul 2.7%, Rudy Giuliani 0.5%, Fred Thompson 0.2%, Duncan Hunter 0.1%, Others 0.4% |
| Survey USA Sampling Size: 275 Margin of Error: ±6% | February 2–3, 2008 | Mitt Romney 58%, John McCain 37%, Mike Huckabee 3%, Ron Paul 1%, Undecided 1% |
| Suffolk University/WHDH Margin of Error: ±4.9% | February 1–3, 2008 | Mitt Romney 50%, John McCain 37%, Mike Huckabee 4%, Undecided 6% |
| Survey USA Sampling Size: 297 Margin of Error: ±5.7% | January 30, 2008 | Mitt Romney 57%, John McCain 34%, Mike Huckabee 3%, Ron Paul 3%, Other 1%, Undecided 2% |
| Rasmussen Reports Sampling Size: 408 Margin of Error: ±4% | January 28, 2008 | Mitt Romney 55%, John McCain 23%, Mike Huckabee 8%, Ron Paul 4%, Other 2%, Undecided 2% |
| Survey USA Sampling Size: 262 Margin of Error: ±6.2% | January 22–23, 2008 | Mitt Romney 50%, John McCain 29%, Mike Huckabee 7%, Rudy Giuliani 6%, Ron Paul 3%, Other 1%, Undecided 2% |
| Survey USA Sampling Size: 269 Margin of Error: ±6.1% | January 16, 2008 | Mitt Romney 48%, John McCain 34%, Rudy Giuliani 8%, Mike Huckabee 3%, Fred Thompson 2%, Ron Paul 2%, Other 1%, Undecided 4% |
| Suffolk University | April 12–15, 2007 | Rudy Giuliani 33%, Mitt Romney 21%, John McCain 18%, Tom Tancredo 4%, Fred Thompson 4%, Newt Gingrich 3%, Jim Gilmore 1%, Chuck Hagel 1%, Mike Huckabee 1%, Tommy Thompson 1%, Sam Brownback 0%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Undecided 12% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (275 R, 325 I) | Feb 2–6, 2007 | Mitt Romney 38%, Rudy Giuliani 22%, John McCain 20%, Newt Gingrich 2%, Chuck Hagel 1%, Sam Brownback 0%, Jim Gilmore 0%, Mike Huckabee 0%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Tom Tancredo 0%, Tommy Thompson 0%, Undecided 17% |
| American Research Group | April 25 – May 2, 2006 | John McCain 48%, Mitt Romney 17%, Newt Gingrich 2%, George Pataki 1%, Undecided 32% |
| American Research Group | Feb 2006 | John McCain 49%, Mitt Romney 20%, Newt Gingrich 4%, George Pataki 2%, George Allen 1%, Bill Frist 1%, Undecided 23% |
| American Research Group | Aug 2005 | John McCain 46%, Mitt Romney 22%, Bill Frist 15%, Newt Gingrich 4%, Undecided 26% |

### Michigan

Michigan Winner: Mitt Romney Primary Date: January 15, 2008
See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 868,083 | January 15, 2008 | Mitt Romney 38.9%, John McCain 29.7%, Mike Huckabee 16.1%, Ron Paul 6.3%, Fred Thompson 3.7%, Rudy Giuliani 2.8%, Duncan Hunter .3%, Tom Tancredo .1%, Uncommitted 2.1% |
| Reuters/CSPAN/Zogby Sampling Size: 824 Margin of Error: ±3.4% | January 13–14, 2008 | John McCain 27%, Mitt Romney 26%, Mike Huckabee 15%, Ron Paul 8%, Rudy Giuliani 6%, Fred Thompson 3%, Undecided 15% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 12–14, 2008 | John McCain 31%, Mitt Romney 30%, Mike Huckabee 19%, Ron Paul 9%, Rudy Giuliani 5%, Fred Thompson 4%, Undecided 4% |
| Mitchell Interactive Sampling Size: 589 Margin of Error: ±4.1% | January 12–14, 2008 | Mitt Romney 35%, John McCain 29%, Mike Huckabee 12%, Ron Paul 4%, Fred Thompson 4%, Rudy Giuliani 3%, Duncan Hunter 2%, Uncommitted 7%, Undecided 4% |
| Reuters/CSPAN/Zogby Sampling Size: 915 Margin of Error: ±3.3% | January 11–13, 2008 | John McCain 27%, Mitt Romney 24%, Mike Huckabee 15%, Ron Paul 8%, Rudy Giuliani 6%, Fred Thompson 5%, Undecided 9% |
| Mitchell Interactive Sampling Size: 582 Margin of Error: 4.1% | January 10–13, 2008 | Mitt Romney 29%, John McCain 27%, Mike Huckabee 12%, Rudy Giuliani 7%, Ron Paul 7%, Fred Thompson 4%, Duncan Hunter 2%, Uncommitted 6%, Undecided 5% |
| Detroit News/WXYZ Sampling Size: 604 Margin of Error: ±4% | January 9–12, 2008 | John McCain 27%, Mitt Romney 26%, Mike Huckabee 19%, Rudy Giuliani 6%, Fred Thompson 5%, Ron Paul 4%, Undecided 10% |
| Mitchell Interactive Sampling Size: 520 Margin of Error: ±4.3% | January 9–12, 2008 | John McCain 22%, Mitt Romney 21%, Mike Huckabee 12%, Rudy Giuliani 7%, Ron Paul 7%, Fred Thompson 3%, Duncan Hunter 1%, Undecided 18%, Uncommitted 8% |
| MSNBC/McClatchy/Mason Dixon Sampling Size: 400 Margin of Error: ±5% | January 9–11, 2008 | Mitt Romney 30%, John McCain 22%, Mike Huckabee 17%, Fred Thompson 7%, Rudy Giuliani 6%, Ron Paul 5%, Duncan Hunter 1%, Alan Keyes 1%, Undecided 11% |
| Detroit Free Press Sampling Size: 600 Margin of Error: ±4% | January 9–11, 2008 | Mitt Romney 27%, John McCain 22%, Mike Huckabee 16%, Ron Paul 5%, Rudy Giuliani 4%, Fred Thompson 4%, Uncommitted 16%, Not Sure 6% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 9–11, 2008 | John McCain 34%, Mitt Romney 27%, Mike Huckabee 15%, Ron Paul 9%, Rudy Giuliani 5%, Fred Thompson 4%, Undecided 6% |
| Mitchell Interactive Margin of Error: ±5% | January 9–10, 2008 | John McCain 23%, Mitt Romney 17%, Mike Huckabee 11%, Rudy Giuliani 8%, Ron Paul 8% |
| Rasmussen Reports Sampling Size: 371 Margin of Error: ±5% | January 9, 2008 | Mitt Romney 26%, John McCain 25%, Mike Huckabee 17%, Fred Thompson 9%, Ron Paul 8%, Rudy Giuliani 6% |
| Rossman Group Sampling Size: 300 Margin of Error: ±5.8% | January 6–7, 2008 | Mike Huckabee 23%, Mitt Romney 22%, John McCain 18%, Rudy Giuliani 8%, Fred Thompson 4%, Ron Paul 3%, Duncan Hunter 1%, Uncommitted 13%, Unsure 7% |
| Strategic Vision (note) Sampling Size: 700 Margin of Error: ±4% | January 4–6, 2008 | John McCain 29%, Mitt Romney 20%, Mike Huckabee 18%, Rudy Giuliani 13%, Fred Thompson 5%, Ron Paul 5%, Duncan Hunter 1%, Undecided 9% |
| Detroit News/WXYZ Sampling size: 612 LV Margin of error 4% | December 16–19, 2007 | Mitt Romney 21%, Huckabee 19%, Giuliani 12%, John McCain 10%, Ron Paul 4%, Fred Thompson 4%, Duncan Hunter 1%, Tom Tancredo 1%, Uncommitted 16%, Undecided 10% |
| Marketing Resource Group | December 4–7, 2007 | John McCain 21%, Mitt Romney 18%, Mike Huckabee 16%, Rudy Giuliani 8%, Fred Thompson 5%, Ron Paul 4% |
| Rasmussen Reports | December 4, 2007 | Mike Huckabee 21%, Mitt Romney 20%, Rudy Giuliani 19%, Fred Thompson 9%, John McCain 8%, Ron Paul 7%, Tom Tancredo 1%, Duncan Hunter 1%, Undecided 14% |
| The Rossman Group | November 30 – December 3, 2007n | Mitt Romney 20%, Mike Huckabee 19%, John McCain 13%, Rudy Giuliani 11%, Fred Thompson 8%, Ron Paul 1% |
| Strategic Vision (R) | October 5–7, 2007 | Rudy Giuliani 24%, Mitt Romney 20%, Fred Thompson 15%, John McCain 10%, Mike Huckabee 5%, Ron Paul 4%, Tom Tancredo 2%, Duncan Hunter 1%, Sam Brownback 1%, Undecided 18% |
| Insider Advantage/Majority Opinion | Oct. 2–3, 2007 | Rudy Giuliani 19%, Mitt Romney 16%, John McCain 15%, Fred Thompson 14%, Mike Huckabee 6%, Ron Paul 5%, Sam Brownback 2%, Duncan Hunter 2%, Undecided 21% |
| Marketing Resource Group | Sept 13–19, 2007 | Rudy Giuliani 27%, Mitt Romney 13%, Fred Thompson 13%, Duncan Hunter 7%, John McCain 6%, Mike Huckabee 5%, Sam Brownback 4%, Ron Paul 2%, Tom Tancredo 0% |
| Mitchell Interactive | Sept 13–18, 2007 | Mitt Romney 21%, Rudy Giuliani 19%, Fred Thompson 18%, John McCain 10% |
| American Research Group | Sept 1–4, 2007 | Mitt Romney 39%, Rudy Giuliani 13%, Fred Thompson 12%, John McCain 9%, Newt Gingrich 7%, Mike Huckabee 4%, Sam Brownback 1%, Ron Paul 1%, Duncan Hunter 1%, Tom Tancredo -, Undecided 13% |
| Detroit News/WXYZ-TV Sampling Size: 400 Margin of Error: 4.9% | August 26–31, 2007 | Mitt Romney 25%, Rudy Giuliani 23%, Fred Thompson 16%, John McCain 15% |
| Detroit News | August 8–13, 2007 | Fred Thompson 22%, Rudy Giuliani 19%, John McCain 16%, Newt Gingrich 15%, Mitt Romney 12% |
| Reichle Firm | July 11–13, 2007 | Mitt Romney 22%, Rudy Giuliani 14%, John McCain 14%, Fred Thompson 12%, Other/Undecided 38% |
| Strategic Vision (R) | July 6–8, 2007 | Rudy Giuliani 20%, Mitt Romney 15%, John McCain 14%, Fred Thompson 14%, Newt Gingrich 4%, Brownback 3%, Huckabee 3%, Paul 3%, Tancredo 2%, Gilmore 1%, Hunter 1%, Tommy Thompson 1%, Undecided 19%, |
| American Research Group | May 4–8, 2007 | Mitt Romney 24%, John McCain 22%, Rudy Giuliani 19%, Fred Thompson 8%, Newt Gingrich 7%, Mike Huckabee 2%, Tommy Thompson 2%, Tom Tancredo 1%, Sam Brownback 0%, Jim Gilmore 0%, Chuck Hagel 0%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Undecided 15% |
| Strategic Vision (R) | April 13–15, 2007 | Rudy Giuliani 26%, John McCain 22%, Mitt Romney 10% Fred Thompson 9%, Newt Gingrich 4%, Sam Brownback 3%, Tom Tancredo 2%, Mike Huckabee 1%, Tommy Thompson 1%, Jim Gilmore 1%, Duncan Hunter 1%, Ron Paul 1%, Chuck Hagel 1%, Undecided 18% |
| EPIC-MRA | Mar 12–18, 2007 | John McCain 30%, Rudy Giuliani 26%, Mitt Romney 21%, Newt Gingrich 16%, Fred Thompson 2% (vol.), Sam Brownback 1%, Undecided 4% |
| Strategic Vision (note) | Mar 9–11, 2007 | Rudy Giuliani 28%, John McCain 24%, Mitt Romney 14%, Newt Gingrich 8%, Sam Brownback 4%, Tom Tancredo 3%, Tommy Thompson 2%, Mike Huckabee 1%, Chuck Hagel 1%, Duncan Hunter 1%, Jim Gilmore 1%, Undecided 13% |
| Detroit Free Press | Feb 3, 2007 | Rudy Giuliani 32%, John McCain 28%, Newt Gingrich 16%, Mitt Romney 8% |
| American Research Group | January 4–7, 2007 | Rudy Giuliani 34%, John McCain 24%, Mitt Romney 10%, Newt Gingrich 9%, Tommy Thompson 7%, Mike Huckabee 2%, Undecided 14% |

### Minnesota

Minnesota Winner: Mitt Romney Caucus Date: February 5, 2008
| Poll Source | Date | Highlights |
| Caucus results Sample Size: 62,837 | February 5, 2008 | Mitt Romney 41.4%, John McCain 22%, Mike Huckabee 19.9%, Ron Paul 15.7%, Others 1% |
| Minn. Pub. Radio Sample Size: 317 Margin of Error: +/-5.5% | January 18–27, 2008 | John McCain 41%, Mike Huckabee 22%, Mitt Romney 17%, Ron Paul 5%, Rudy Giuliani, 6% |
| Star Tribune GOP | Sep 18–23, 2007 | Rudy Giuliani 27%, John McCain 22%, Fred Thompson 16%, Mitt Romney 5%, Tom Tancredo 3%, Mike Huckabee 2%, Ron Paul 2% |

### Missouri

Missouri Winner: John McCain Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 589,289 | February 5, 2008 | John McCain 33%, Mike Huckabee 31.5%, Mitt Romney 29.3%, Ron Paul 4.5%, Rudy Giuliani 0.6%, Fred Thompson 0.5%, Uncommitted 0.4%, Duncan Hunter 0.1%, Others 0.2% |
| Reuters/CSPAN/Zogby Tracking Sampling Size: 860 Margin of Error: ±3.4% | February 3–4, 2008 | John McCain 34%, Mike Huckabee 27%, Mitt Romney 25%, Ron Paul 4%, Other 2%, Undecided 7% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | February 3, 2008 | Mike Huckabee 31%, John McCain 29%, Mitt Romney 27%, Ron Paul 4%, Other 2%, Undecided 7% |
| Survey USA Sampling Size: 542 Margin of Error: ±4.3% | February 2–3, 2008 | John McCain 33%, Mike Huckabee 31%, Mitt Romney 28%, Ron Paul 6%, Other 1%, Undecided 1% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 31 – February 1, 2008 | Mike Huckabee 31%, John McCain 29%, Mitt Romney 27%, Ron Paul 4%, Other 2%, Undecided 7% |
| McClatchy/MSNBC/Mason Dixon Sampling Size: 400 Margin of Error: ±5% | January 30 – February 1, 2008 | John McCain 37%, Mike Huckabee 27%, Mitt Romney 24%, Ron Paul 1%, Undecided 11% |
| Rasmussen Reports Sampling Size: 505 Margin of Error: ±4% | January 31, 2008 | John McCain 32%, Mike Huckabee 29%, Mitt Romney 28%, Ron Paul 5%, Other 3%, Undecided 3% |
| Survey USA Sampling Size: 505 Margin of Error: ±4.5% | January 30–31, 2008 | John McCain 34%, Mitt Romney 30%, Mike Huckabee 28%, Ron Paul 5%, Other 2%, Undecided 2% |
| Research 2000 Sampling Size: 500 Margin of Error: ±4.5% | January 21–24, 2008 | John McCain 31%, Mike Huckabee 25%, Mitt Romney 21%, Rudy Giuliani 8%, Ron Paul 6%, Fred Thompson 1%, Undecided 8% |
| Rasmussen Reports Sampling Size: 589 Margin of Error: ±4% | January 23, 2008 | Mike Huckabee 27%, John McCain 26%, Mitt Romney 18%, Rudy Giuliani 7%, Ron Paul 5%, Undecided 16% |
| Research 2000 | November 16, 2007 | Rudy Giuliani 24%, Mitt Romney 17%, Fred Thompson 16%, John McCain 14%, Mike Huckabee 12%, Ron Paul 2%, Duncan Hunter 1%, Tom Tancredo -, Undecided 14% |
| American Research Group Sample Size: 600 Margin of Error: +/- 4% | Aug 2–6, 2007 | Rudy Giuliani 23%, Fred Thompson 22%, John McCain 14%, Mitt Romney 11%, Newt Gingrich 10%, Mike Huckabee 3%, Sam Brownback 1%, Ron Paul 1%, Tommy Thompson 1%, Duncan Hunter -, Tom Tancredo -, Undecided 14% |
| American Research Group | January 4–7, 2007 | John McCain 31%, Rudy Giuliani 18%, Newt Gingrich 14%, Sam Brownback 5%, Chuck Hagel 3%, Mitt Romney 2%, Tommy Thompson 2%, Mike Huckabee 1%, Undecided 24% |

### Montana

Montana Winner: Mitt Romney Caucus Date: February 5, 2008
| Poll Source | Date | Highlights |
| Caucus results | February 5, 2008 | Mitt Romney 38.3%, Ron Paul 24.5%, John McCain 22%, Mike Huckabee 15%, Others 0.1% |
| Lee's Newspaper Margin of Error: The website states all four candidates are statically even. | January 2, 2008 | Mike Huckabee 16%, Rudy Giuliani 15%, Mitt Romney 13%, Fred Thompson 12% |

### Nevada

Nevada Winner: Mitt Romney Caucus Date: January 19, 2008
See also
| Poll Source | Date | Highlights |
| Caucus results Sampling Size: 44,321 | January 19, 2008 | Mitt Romney 51.1%, Ron Paul 13.7%, John McCain 12.7%, Mike Huckabee 8.2%, Fred Thompson 7.9%, Rudy Giuliani 4.3%, Duncan Hunter 2% |
| Mason-Dixon Sample Size: 500 Margin of Error: ±4.5% | January 14–16, 2008 | Mitt Romney 34%, John McCain 19%, Mike Huckabee 13%, Fred Thompson 8%, Ron Paul 7%, Rudy Giuliani 6% |
| American Research Group Sample Size: 600 Margin of Error: ±4% | January 9–14, 2008 | Mitt Romney 28%, John McCain 21%, Fred Thompson 13%, Rudy Giuliani 11%, Ron Paul 9%, Mike Huckabee 8%, Undecided 10% |
| Research 2000/Reno Gazette-Journal Sampling Size: 500 Margin of Error: ±4.5% | January 11–13, 2008 | John McCain 22%, Rudy Giuliani 18%, Mike Huckabee 16%, Mitt Romney 15%, Fred Thompson 11%, Ron Paul 6%, Duncan Hunter 1% |
| American Research Group Sample Size: 600 Margin of Error: ±4% | December 1–6, 2007 | Mitt Romney 29%, Mike Huckabee 23%, Rudy Giuliani 17%, John McCain 7%, Fred Thompson 5%, Duncan Hunter 4%, Ron Paul 3%, Tom Tancredo 1%, Alan Keyes 0%, Undecided 11% |
| Mason-Dixon Sample Size: 300 Margin of Error: ±6% | December 3–5, 2007 | Rudy Giuliani 25%, Mitt Romney 20%, Mike Huckabee 17%, Fred Thompson 9%, John McCain 7%, Ron Paul 5%, Duncan Hunter 2%, Tom Tancredo 1%, Alan Keyes 0%, Undecided 14% |
| Research 2000 | November 16–19, 2007 | Rudy Giuliani 29%, Mitt Romney 22%, Fred Thompson 15%, John McCain 8%, Ron Paul 7%, Mike Huckabee 6%, Tom Tancredo 1%, Duncan Hunter 1%, Undecided 11% |
| Zogby International | November 9–10, 2007 | Rudy Giuliani 28%, Mitt Romney 20%, Fred Thompson 13%, John McCain 8%, Ron Paul 7%, Mike Huckabee 5%, Duncan Hunter 1%, Tom Tancredo <1%, Not Sure 16% |
| Mason-Dixon | October 9–11, 2007 | Rudy Giuliani 28%, Fred Thompson 23%, Mitt Romney 17%, John McCain 7%, Mike Huckabee 2%, Duncan Hunter 2%, Ron Paul 1%, Undecided 18% |
| American Research Group | October 10, 2007 | Rudy Giuliani 31%, Mitt Romney 30%, John McCain 11%, Fred Thompson 9%, Sam Brownback 4%, Mike Huckabee 2%, Duncan Hunter 1%, Ron Paul 1%, Tom Tancredo 1%, Alan Keyes 0%, Undecided 10% |
| 2000 | August 14–16, 2007 | Mitt Romney 28%, Rudy Giuliani 18%, Fred Thompson 18%, John McCain 8%, Newt Gingrich 4%, Mike Huckabee 3%, Undecided 18% |
| Mason-Dixon Margin of Error: +/- 5% | June 20–22, 2007 | Fred Thompson 25%, Mitt Romney 20%, Rudy Giuliani 17%, John McCain 8%, Mike Huckabee 3% |
| American Research Group Margin of Error: +/- 4% Sampling Size: 600 | June 15–19, 2007 | Mitt Romney 23%, Rudy Giuliani 21%, John McCain 16%, Fred Thompson 16%, Newt Gingrich 3%, Gilmore 2%, Sam Brownback 1%, Mike Huckabee 1%, Ron Paul 1%, Tom Tancredo 1%, Tommy Thompson 1%, Chuck Hagel 0%, Duncan Hunter 0%, George Pataki 0%, Undecided 15% |
| Mason-Dixon Margin of Error: +/- 6% | Apr 30 – May 2, 2007 | John McCain 19%, Mitt Romney 15%, Fred Thompson 13%, Rudy Giuliani 12%, Newt Gingrich 7%, Undecided 28% |
| Zogby Margin of Error: +/- 4.5% | Apr 11–12, 2007 | Rudy Giuliani 37%, John McCain 15%, Mitt Romney 15%, Fred Thompson 7%, Sam Brownback 1%, Mike Huckabee 1%, Duncan Hunter 1%, Ron Paul 1%, Tancredo 1%, Chuck Hagel 0%, Tommy Thompson 0%, Undecided 15% |
| American Research Group | Dec 19–23, 2006 | Rudy Giuliani 31%, John McCain 25%, Newt Gingrich 22%, Mitt Romney 4%, Sam Brownback 0%, Gilmore 0%, Chuck Hagel 0%, Mike Huckabee 0%, Hunter 0%, George Pataki 0%, Tommy Thompson 0%, Undecided 18% |

### New Hampshire

New Hampshire Winner: John McCain Primary Date: January 8, 2008
See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 238,548 | January 8, 2008 | John McCain 37.1%, Mitt Romney 31.6%, Mike Huckabee 11.2%, Rudy Giuliani 8.5%, Ron Paul 7.7%, Fred Thompson 1.2%, Duncan Hunter .5%, Write Ins 2.1% |
| Suffolk/WHDH 7 Sampling Size: 500 | January 6–7, 2008 | Mitt Romney 30%, John McCain 26%, Mike Huckabee 13%, Rudy Giuliani 11%, Ron Paul 5%, Fred Thompson 2%, Duncan Hunter 1%, Undecided 10%, Refused 1% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 6–7, 2008 | John McCain 31%, Mitt Romney 24%, Mike Huckabee 14%, Rudy Giuliani 13%, Ron Paul 9%, Duncan Hunter 2%, Fred Thompson 1%, Alan Keyes 1%, Undecided 5% |
| Rasmussen Reports Sampling Size: 1549 Margin of Error: ±3% | January 5–7, 2008 | John McCain 32%, Mitt Romney 31%, Mike Huckabee 10%, Rudy Giuliani 8%, Ron Paul 8%, Fred Thompson 3%, Some Other Candidate 3%, Not Sure 4% |
| Reuters/CSPAN/Zogby Sampling Size: 862 Margin of Error: ±3.4% | January 5–7, 2008 | John McCain 36%, Mitt Romney 27%, Mike Huckabee 10%, Rudy Giuliani 9%, Ron Paul 9%, Fred Thompson 2%, Undecided 5% |
| Suffolk/WHDH 7 Sampling Size: 500 | January 5–6, 2008 | Mitt Romney 30%, John McCain 27%, Rudy Giuliani 10%, Mike Huckabee 9%, Ron Paul 8%, Fred Thompson 2%, Undecided 13%, Refused 2% |
| Marist College Institute for Public Opinion Sampling Size: 628 Margin of Error: ±4% | January 5–6, 2008 | John McCain 35%, Mitt Romney 31%, Mike Huckabee 13%, Ron Paul 8%, Rudy Giuliani 5%, Fred Thompson 4%, Duncan Hunter 2%, Other <1%, Undecided 2% |
| Rasmussen Reports Sampling Size: 1094 Margin of Error: ±3% | January 5–6, 2008 | John McCain 32%, Mitt Romney 31%, Mike Huckabee 11%, Rudy Giuliani 10%, Ron Paul 8%, Fred Thompson 3%, Some Other Candidate 2%, Not Sure 4% |
| CNN/WMUR/UNH Sampling Size: 341 Margin of Error: ±5% | January 5–6, 2008 | John McCain 32%, Mitt Romney 26%, Mike Huckabee 14%, Rudy Giuliani 11%, Ron Paul 10%, Fred Thompson 1%, Duncan Hunter 1%, Someone Else 2%, No Opinion 5% |
| Fox News/Opinion Dynamics Sampling Size: 500 Margin of Error: ±4% | January 4–6, 2008 | John McCain 34%, Mitt Romney 27%, Mike Huckabee 11%, Rudy Giuliani 9%, Ron Paul 5%, Fred Thompson 2%, Duncan Hunter 1%, Other 1%, Don't Know 10% |
| Reuters/C–SPAN/Zogby Sample Size: 834 Margin of Error: ±3.4% | January 4–6, 2008 | John McCain 34%, Mitt Romney 29%, Mike Huckabee 10%, Rudy Giuliani 9%, Ron Paul 6%, Fred Thompson 3%, Duncan Hunter 1%, Undecided 6% |
| Franklin Pierce University/WBZ Sampling Size: 409 Margin of Error: ±4.9% | January 4–6, 2008 | John McCain 38%, Mitt Romney 29%, Mike Huckabee 9%, Rudy Giuliani 8%, Ron Paul 7%, Fred Thompson 2%, Undecided 7% |
| USA Today/Gallup Sampling Size: 776 Margin of Error: ±4% | January 4–6, 2008 | John McCain 34%, Mitt Romney 30%, Mike Huckabee 13%, Rudy Giuliani 8%, Ron Paul 8%, No One Else Above 3% |
| Strategic Vision (note) Sampling Size: 600 Margin of Error: ±4.5% | January 4–6, 2008 | John McCain 35%, Mitt Romney 27%, Mike Huckabee 13%, Rudy Giuliani 8%, Ron Paul 7%, Fred Thompson 5%, Duncan Hunter 1%, Undecided 4% |
| Suffolk/WHDH 7 Sampling Size: 500 | January 4–5, 2008 | Mitt Romney 30%, John McCain 27%, Rudy Giuliani 10%, Ron Paul 9%, Mike Huckabee 7%, Fred Thompson 2%, Duncan Hunter 1%, Undecided 12%, Refused 2% |
| Rasmussen Reports Sampling Size: 1102 Margin of Error: ±3% | January 4–5, 2008 | John McCain 32%, Mitt Romney 30%, Mike Huckabee 11%, Ron Paul 11%, Rudy Giuliani 9%, Fred Thompson 4%, Some Other Candidate 2%, Not Sure 3% |
| Concord Monitor Sampling Size: 400 Margin of Error: ±5% | January 4–5, 2008 | John McCain 35%, Mitt Romney 29%, Mike Huckabee 13%, Rudy Giuliani 8%, Ron Paul 7%, Fred Thompson 3% |
| CNN/WMUR/UNH Sampling Size: 672 Margin of Error: ±4% | January 4–5, 2008 | John McCain 33%, Mitt Romney 27%, Rudy Giuliani 14%, Mike Huckabee 13%, Ron Paul 9%, Fred Thompson 1%, Duncan Hunter 1%, Someone Else 2%, No Opinion 4% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 4–5, 2008 | John McCain 39%, Mitt Romney 25%, Mike Huckabee 14%, Rudy Giuliani 7%, Ron Paul 6%, Fred Thompson 1%, Duncan Hunter 1%, Alan Keyes 1% |
| Reuters/C–SPAN/Zogby Sample Size: 837 Margin of Error: ±3.4% | January 2–5, 2008 | Mitt Romney 32%, John McCain 31%, Mike Huckabee 12%, Rudy Giuliani 7%, Ron Paul 6%, Fred Thompson 3%, Duncan Hunter 1%, Undecided 7% |
| Rasmussen Reports Sample Size: 441 Margin of Error: ±5% | January 4, 2008 | John McCain 31%, Mitt Romney 26%, Ron Paul 14%, Mike Huckabee 11%, Rudy Giuliani 8%, Fred Thompson 5%, Some other candidate 2% |
| Suffolk University/WHDH 7 Sampling Size: 501 | January 3–4, 2008 | Mitt Romney 30%, John McCain 26%, Mike Huckabee 11%, Rudy Giuliani 11%, Ron Paul 8%, Fred Thompson 2%, Duncan Hunter 1%, Undecided 10%, Refused 2% |
| McClatchy/MSNBC/Mason Dixon Sampling Size: 400 Margin of Error: ±5% | January 2–4, 2008 | John McCain 32%, Mitt Romney 24%, Mike Huckabee 12%, Rudy Giuliani 9%, Ron Paul 8%, Fred Thompson 3%, Duncan Hunter 1%, Alan Keyes 1%, Undecided 10% |
| Zogby International Sample Size: 887 Margin of Error: ±3.3% | January 1–4, 2008 | John McCain 32%, Mitt Romney 30%, Mike Huckabee 12%, Rudy Giuliani 9%, Ron Paul 7%, Fred Thompson 3%, Duncan Hunter <1%, Undecided 7% |
| Suffolk University/WHDH 7 Sampling Size: 501 | January 2–3, 2008 | Mitt Romney 29%, John McCain 25%, Mike Huckabee 13%, Rudy Giuliani 9%, Ron Paul 8%, Fred Thompson 2%, Duncan Hunter 1%, Undecided 12%, Refused 1% |
| Zogby International Sample Size: 1076 Margin of Error: ±3% | December 31, 2007 – January 3, 2008 | John McCain 34%, Mitt Romney 30%, Mike Huckabee 10%, Rudy Giuliani 9%, Ron Paul 7%, Fred Thompson 2%, Duncan Hunter 1%, Undecided 6% |
| Suffolk/WHDH 7 Sample Size: 500 | January 1–2, 2008 | John McCain 29%, Mitt Romney 25%, Mike Huckabee 12%, Rudy Giuliani 9%, Ron Paul 8%, Fred Thompson 2%, Duncan Hunter 1%, Undecided 14% |
| Franklin Pierce University/WBZ Sample Size: 407 Margin of Error ±4.9% | December 27–31, 2007 | John McCain 37%, Mitt Romney 31%, Rudy Giuliani 10%, Ron Paul 6%, Mike Huckabee 5%, Fred Thompson 2%, Duncan Hunter 1%, Undecided 9% |
| CNN/University of New Hampshire Sample Size: 439 Margin of Error ±5% | December 27–30, 2007 | Mitt Romney 29%, John McCain 29%, Rudy Giuliani 12%, Mike Huckabee 10%, Ron Paul 7%, Fred Thompson 2%, Duncan Hunter 2%, Someone else 1%, No opinion 8% |
| American Research Group Sample Size: 600 Margin of Error ±4% | December 27–29, 2007 | Mitt Romney 30%, John McCain 30%, Mike Huckabee 11%, Rudy Giuliani 9%, Ron Paul 7%, Fred Thompson 3%, Duncan Hunter 1%, Alan Keyes 1%, Undecided 8% |
| LA Times/Bloomberg Sample Size: 442 (registered voters) Margin of Error: ±5% | December 20–26, 2007 | Mitt Romney 34%, John McCain 21%, Rudy Giuliani 14%, Mike Huckabee 9%, Ron Paul 6%, Fred Thompson 4%, Duncan Hunter 1%, D/Know 11% |
| LA Times/Bloomberg Sample Size: 318 (likely voters) Margin of Error: ±6% | December 20–26, 2007 | Mitt Romney 34%, John McCain 20%, Rudy Giuliani 17%, Mike Huckabee 12%, Ron Paul 4%, Fred Thompson 4%, Duncan Hunter 1%, D/Know 8% |
| USA Today /Gallup Sampling Size: 477 LV Margin of Error: ± 5% | December 17–19, 2007 | Mitt Romney 34%, John McCain 27%, Rudy Giuliani 11%, Mike Huckabee 9%, Ron Paul 9%, Fred Thompson 4%, Duncan Hunter 1% |
| American Research Group Sample Size: 600 LV Margin of Error +/- 4% | December 16–19, 2007 | John McCain 26%, Mitt Romney 26%, Rudy Giuliani 16%, Mike Huckabee 11%, Ron Paul 4%, Fred Thompson 4%, Tom Tancredo 1%, Duncan Hunter 1%, Alan Keyes 1%, Undecided 10% |
| Rasmussen Reports Sample Size: 746 LV Margin of Error +/- 4% | December 18, 2007 | Mitt Romney 31%, John McCain 27%, Rudy Giuliani 13%, Mike Huckabee 11%, Ron Paul 7%, Fred Thompson 3%, Tom Tancredo 1%, Duncan Hunter 0% |
| Concord Monitor/Research 2000 Sample Size: 400 LV Margin of Error +/- 5% | December 10–12, 2007 | Mitt Romney 31%, Rudy Giuliani 18%, John McCain 17%, Mike Huckabee 9%, Ron Paul 7%, Fred Thompson 3%, Tom Tancredo 1%, Duncan Hunter 1%, Undecided 13% |
| Rasmussen Sample Size: 732 LV | December 11, 2007 | Mitt Romney 33%, John McCain 18%, Rudy Giuliani 15%, Mike Huckabee 14%, Ron Paul 8%, Tom Tancredo 3%, Fred Thompson 2%, Duncan Hunter 1%, Undecided 7% |
| Mason-Dixon | December 3–6, 2007 | Mitt Romney 25%, Rudy Giuliani 17%, John McCain 16%, Mike Huckabee 11%, Fred Thompson 6%, Ron Paul 5%, Duncan Hunter 1%, Tom Tancredo 1%, Alan Keyes 1%, Undecided 17% |
| ABC News/Washington Post Sampling Size: 488 Margin of Error: +/- 4.5% | November 29 – December 3, 2007 | Mitt Romney 37%, John McCain 20%, Rudy Giuliani 16%, Mike Huckabee 9%, Ron Paul 8%, Fred Thompson 4%, Duncan Hunter 1%, Tom Tancredo 0%, Undecided 4% |
| Marist College | November 28 – December 2, 2007 | Mitt Romney 29%, Rudy Giuliani 17%, John McCain 17%, Mike Huckabee 11%, Ron Paul 6%, Fred Thompson 4%, Tom Tancredo 2%, Duncan Hunter 1%, Undecided 13% |
| American Research Group | November 26–29, 2007 | Mitt Romney 36%, Rudy Giuliani 22%, Mike Huckabee 13%, John McCain 11%, Fred Thompson 3%, Ron Paul 2%, Tom Tancredo 1%, Duncan Hunter 0%, Alan Keyes 0%, Undecided 12% |
| Rasmussen Sampling Size: 881 Margin of Error: +/- 3% | November 29, 2007 | Mitt Romney 34%, Rudy Giuliani 15%, John McCain 15%, Mike Huckabee 14%, Ron Paul 8%, Fred Thompson 3%, Other 2%, Unsure 9% |
| Pew Research Center Sampling Size: 446 Margin of Error: +/- 5.5% | November 7–25, 2007 | Mitt Romney 37%, Rudy Giuliani 19%, John McCain 15%, Ron Paul 9%, Mike Huckabee 7%, Fred Thompson 3%, Hunter 1%, Tancredo 1%, Other/Unsure 9% |
| CBS News/New York Times Sampling Size: 719 Margin of Error: +/- 6% | November 2–11, 2007 | Mitt Romney 34%, Rudy Giuliani 16%, John McCain 16%, Ron Paul 8%, Mike Huckabee 6%, Fred Thompson 5%, Tancredo 0%, Hunter 0%, Undecided 14% |
| Boston Globe (UNH) | November 2–7, 2007 | Mitt Romney 32%, Rudy Giuliani 20%, John McCain 17%, Ron Paul 7%, Mike Huckabee 5%, Other 6%, Undecided 13% |
| Marist College | November 2–6, 2007 | Mitt Romney 33%, Rudy Giuliani 22%, John McCain 13%, Ron Paul 7%, Mike Huckabee 7%, Fred Thompson 5%, Tom Tancredo 1%, Duncan Hunter <1%, Undecided 12% |
| American Research Group | October 26–29, 2007 | Mitt Romney 30%, Rudy Giuliani 23%, John McCain 17%, Mike Huckabee 7%, Fred Thompson 5%, Ron Paul 1%, Duncan Hunter 1%, Tom Tancredo 1%, Alan Keyes 0%, Undecided 15% |
| Rasmussen | October 23, 2007 | Mitt Romney 28%, Rudy Giuliani 19%, John McCain 16%, Mike Huckabee 10%, Fred Thompson 6%, Tom Tancredo 3%, Ron Paul 2%, Duncan Hunter 2%, Undecided 14% |
| Marist College Institute for Public Opinion (Likely Voters) | October 4–9, 2007 | Mitt Romney 26%, Rudy Giuliani 20%, John McCain 17%, Fred Thompson 10%, Mike Huckabee 7%, Ron Paul 2%, Duncan Hunter 2%, Tom Tancredo 1%, Sam Brownback <1%, Undecided 15% |
| Insider Advantage/Majority Opinion | Oct. 2–3, 2007 | Mitt Romney 28%, Rudy Giuliani 20%, John McCain 17%, Mike Huckabee 8%, Fred Thompson 8%, Ron Paul 6%, Sam Brownback 2%, Duncan Hunter 1%, Undecided 10% |
| American Research Group | September 26–29, 2007 | Mitt Romney 24%, Rudy Giuliani 20%, John McCain 20%, Fred Thompson 8%, Newt Gingrich 6%, Ron Paul 3%, Mike Huckabee 3%, Sam Brownback 1%, Duncan Hunter 1%, Alan Keyes 1%, Tom Tancredo 1%, Undecided 12% |
| Zogby | September 26–28, 2007 | Mitt Romney 24%, Rudy Giuliani 21%, John McCain 16%, Fred Thompson 7%, Mike Huckabee 5%, Ron Paul 3%, Tom Tancredo 3%, Duncan Hunter 1%, Sam Brownback 1%, Chuck Hagel <1%, Not Sure 17% |
| CNN/WMUR | September 17–24, 2007 | Mitt Romney 23%, Rudy Giuliani 22%, John McCain 17%, Fred Thompson 12%, Newt Gingrich 7%, Ron Paul 4%, Sam Brownback 2%, Mike Huckabee 2%, Duncan Hunter 1%, Tom Tancredo 1%, Someone else 1%, No opinion 9% |
| Rasmussen | September 16, 2007 | Mitt Romney 25%, Rudy Giuliani 22%, Fred Thompson 19%, John McCain 12%, Mike Huckabee 4%, Others 5%, Undecided 13% |
| Franklin Pierce University /WBZ Poll | September 11–14, 2007 | Mitt Romney 30%, Rudy Giuliani 23%, John McCain 14%, Fred Thompson 8%, Newt Gingrich 3%, Ron Paul 3%, Mike Huckabee 2%, Tom Tancredo 1%, Sam Brownback 1%, Duncan Hunter 1%, Chuck Hagel <1%, Undecided 12% |
| Los Angeles Times/Bloomberg Poll | September 6–10, 2007 | Mitt Romney 28%, Rudy Giuliani 23%, John McCain 12%, Fred Thompson 11%, Mike Huckabee 6%, Ron Paul 5%, Sam Brownback 2%, Undecided 13% |
| American Research Group | August 26–29, 2007 | Mitt Romney 27%, Rudy Giuliani 23%, John McCain 12%, Mike Huckabee 9%, Fred Thompson 8%, Newt Gingrich 4%, Ron Paul 3%, Brownback 1%, Duncan Hunter 0%, Tom Tancredo 0%, Undecided 13% |
| Rasmussen Reports | Aug 9, 2007 | Mitt Romney 32%, Rudy Giuliani 20%, John McCain 11%, Fred Thompson 11%, Mike Huckabee 3%, Other 6%, Undecided 17% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 | July 26–30, 2007 | Rudy Giuliani 27%, Mitt Romney 26%, Fred Thompson 13%, John McCain 10%, Newt Gingrich 6%, Sam Brownback 1%, Mike Huckabee 1%, Duncan Hunter 1%, Ron Paul 1%, Tom Tancredo 1%, Tommy Thompson 0%, Undecided 13% |
| McLaughlin and Associates (Gingrich Excluded) | July 24–26, 2007 | Mitt Romney 33%, Rudy Giuliani 17%, John McCain 16%, Fred Thompson 13%, Mike Huckabee 3%, Ron Paul 2%, Sam Brownback 1%, Tommy Thompson 1%, Tom Tancredo 1%, Duncan Hunter 1%, Undecided 12% |
| CNN/WMUR/UNH (Gingrich Excluded) | July 9–17, 2007 | Mitt Romney 33% (34%), Rudy Giuliani 18% (20%), Fred Thompson 13%, John McCain 12%, Newt Gingrich 4%, Mike Huckabee 2%, Ron Paul 2%, Tommy Thompson 1%, Tancredo – (1%), Brownback -, Hunter -, Other 3%, Undecided 12% (13%) |
| Research 2000 | July 9–11, 2007 | Mitt Romney 27%, Rudy Giuliani 20%, John McCain 16%, Fred Thompson 15%, Sam Brownback 1%, Mike Huckabee 1%, Duncan Hunter 1%, Ron Paul 1%, Tom Tancredo 1%, Tommy Thompson 1% |
| American Research Group | June 27–30, 2007 | Mitt Romney 27%, John McCain 21%, Rudy Giuliani 19%, Fred Thompson 10%, Newt Gingrich 4%, Mike Huckabee 1%, Duncan Hunter 1%, Ron Paul 1%, Sam Brownback 1%, Tom Tancredo 1%, Jim Gilmore 0%, George Pataki 0%, Tommy Thompson 0%, Undecided 14% |
| Suffolk University | June 24, 2007 | Mitt Romney 26%, Rudy Giuliani 22%, John McCain 13%, Fred Thompson 13%, Mike Huckabee 4%, Ron Paul 2%, Brownback 1%, Hunter 1%, Tancredo 1%, T. Thompson 1%, Gilmore 0%, Undecided 17% |
| Mason-Dixon | June 4–7, 2007 | Mitt Romney 27%, John McCain 16%, Rudy Giuliani 15%, Fred Thompson 12%, Mike Huckabee 5% |
| Franklin Pierce | June 6, 2007 | Mitt Romney 27%, Rudy Giuliani 18%, John McCain 17%, Fred Thompson 9%, Newt Gingrich 3%, Mike Huckabee 3%, Paul 1%, Brownback 1%, Hagel 1%, Tommy Thompson 1%, Gilmore 0%, Tancredo 1%, Hunter 1%, Pataki 0%, Undecided 19% |
| American Research Group | May 23–25, 2007 | John McCain 30%, Mitt Romney 23%, Rudy Giuliani 21%, Newt Gingrich 4%, Fred Thompson 3%, Sam Brownback 1%, Chuck Hagel 1%, Mike Huckabee 1%, Tommy Thompson 1%, Jim Gilmore 0%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Tom Tancredo 0%, Undecided 16% |
| Zogby | May 15–16, 2007 | Mitt Romney 35%, Rudy Giuliani 19%, John McCain 19%, Fred Thompson 6%, Ron Paul 3%, Brownback 1%, Hagel 1%, Tancredo 1%, Tommy Thompson 1%, Huckabee -, Hunter -, Not Sure 11% |
| Survey USA | May 4–6, 2007 | Mitt Romney 32%, Rudy Giuliani 23%, John McCain 22%, Fred Thompson 11%, Newt Gingrich 4%, Other 5%, Not Sure 3% |
| American Research Group | April 27–30, 2007 | John McCain 29%, Mitt Romney 24%, Rudy Giuliani 17%, Fred Thompson 7%, Newt Gingrich 4%, Sam Browback 1%, Chuck Hagel 1%, Mike Huckabee 1%, Tom Tancredo 1%, Tommy Thompson 1%, Jim Gilmore 0%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Undecided 14% |
| Zogby International | April 2–3, 2007 | John McCain 25%, Mitt Romney 25%, Rudy Giuliani 19%, Fred Thompson 6%, Ron Paul 2%, Chuck Hagel 1%, Mike Huckbee 1%, Duncan Hunter 1%, Tom Tancredo 1%, Tommy Thompson <1%, Sam Brownback <1%, Undecided 17% |
| American Research Group | Mar 23, 2007 | John McCain 23%, Rudy Giuliani 19%, Mitt Romney 17%, Newt Gingrich 11%, Fred Thompson 10%, Sam Brownback 2%, Chuck Hagel 2%, Tom Tancredo 1%, Jim Gilmore 0%, Mike Huckabee 0%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Tommy Thompson 0%, Undecided 15% |
| Franklin Pierce College/WBZ-TV | Mar 7–12, 2007 | John McCain 29%, Rudy Giuliani 28%, Mitt Romney 22%, Newt Gingrich 5%, Mike Huckabee 2%, Sam Brownback 1%, Chuck Hagel 1%, Duncan Hunter 1%, Ron Paul 1%, Tom Tancredo 1%, Jim Gilmore 0%, George Pataki 0%, Tommy Thompson 0% |
| Suffolk University | Feb 24–28, 2007 | Rudy Giuliani 37%, John McCain 27%, Mitt Romney 17%, Ron Paul 2%, Tom Tancredo 2%, Sam Brownback 1%, Jim Gilmore 1%, Mike Huckabee 1%, Duncan Hunter 1%, Tommy Thompson 1%, Refused 1%, Undecided 12% |
| University of New Hampshire | Feb 1–5, 2007 | John McCain 28%, Rudy Giuliani 27%, Mitt Romney 13%, Newt Gingrich 9%, Tom Tancredo 3%, Sam Brownback 2%, Ron Paul 1%, Mike Huckabee 1%, Tommy Thompson 1%, Chuck Hagel 1%, George Pataki 1%, Duncan Hunter 0%, Jim Gilmore 0%, John Cox 0%, Someone Else 1%, Don't Know 13% |
| SurveyUSA | January 26–28, 2007 | Rudy Giuliani 33%, John McCain 32%, Mitt Romney 21%, Other 11%, Undecided 3% |
| Zogby International | January 15–17, 2007 | John McCain 23%, Rudy Giuliani 20%, Mitt Romney 13%, Condoleezza Rice 7%, Newt Gingrich 6%, Chuck Hagel 3%, Tom Tancredo 2%, Duncan Hunter 1%, George Pataki 1%, Ron Paul 1%, Undecided 15% |
| American Research Group | Dec 26–27, 2006 | John McCain 29%, Rudy Giuliani 25%, Newt Gingrich 14%, Mitt Romney 9%, Chuck Hagel 2%, George Pataki 2%, Jim Gilmore 1%, Mike Huckabee 1%, Sam Brownback 0%, Duncan Hunter 0%, Tommy Thompson 0%, Undecided 17% |

### New Jersey

New Jersey Winner: John McCain Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 560,006 | February 5, 2008 | John McCain 55.4%, Mitt Romney 28.4%, Mike Huckabee 8.2%, Ron Paul 4.8%, Rudy Giuliani 2.6%, Fred Thompson 0.6% |
| Reuters/CSPAN/Zogby Tracking Sampling Size: 862 Margin of Error: ±3.4% | February 3–4, 2008 | John McCain 53%, Mitt Romney 24%, Mike Huckabee 5%, Ron Paul 4%, Other 4%, Undecided 10% |
| Survey USA Sampling Size: 467 Margin of Error: ±4.6% | February 2–3, 2008 | John McCain 54%, Mitt Romney 25%, Mike Huckabee 7%, Ron Paul 6%, Other 3%, Undecided 6% |
| Strategic Vision (note) Sampling Size: 600 Margin of Error: ±4.5% | February 1–3, 2008 | John McCain 55%, Mitt Romney 25%, Mike Huckabee 10%, Ron Paul 4%, Undecided 6% |
| Quinnipiac University Sampling Size: 350 Margin of Error: ±5.2% | January 30 – February 3, 2008 | John McCain 52%, Mitt Romney 30%, Mike Huckabee 6%, Ron Paul 6%, Other 1%, Undecided 5% |
| McClatchy/MSNBC/Mason Dixon Sampling Size: 400 Margin of Error: ±5% | January 30 – February 1, 2008 | John McCain 46%, Mitt Romney 31%, Mike Huckabee 5%, Ron Paul 4%, Undecided 12% |
| Monmouth University/Gannett Sampling Size: 555 Margin of Error: ±4% | January 30 – February 1, 2008 | John McCain 55%, Mitt Romney 23%, Mike Huckabee 7%, Ron Paul 3%, Undecided 12% |
| Survey USA Sampling Size: 456 Margin of Error: ±4.7% | January 30–31, 2008 | John McCain 48%, Mitt Romney 25%, Mike Huckabee 9%, Ron Paul 7%, Other 7%, Don't Know 5% |
| Rasmussen Reports Sampling Size: 785 | January 30, 2008 | John McCain 43%, Mitt Romney 29%, Mike Huckabee 7%, Ron Paul 6%, Other 9%, Don't Know 5% |
| Quinnipiac University Sampling Size: 398 Margin of Error: ±4.9% | January 15–22, 2008 | John McCain 29%, Rudy Giuliani 26%, Mitt Romney 14%, Mike Huckabee 9%, Fred Thompson 9%, Ron Paul 7%, Don't Know 4% |
| Rasmussen Reports Sampling Size: 616 Margin of Error: ±4% | January 15, 2008 | John McCain 29%, Rudy Giuliani 27%, Mike Huckabee 10%, Mitt Romney 10%, Fred Thompson 6%, Ron Paul 5%, Other 5%, Don't Know 8% |
| Monmouth University/Gannett Sampling Size: 400 Margin of Error: 4.9% | January 9–13, 2008 | John McCain 29%, Rudy Giuliani 25%, Mike Huckabee 11%, Mitt Romney 9%, Ron Paul 5%, Fred Thompson 5%, Don't Know 16% |
| Research 2000/The Record Sampling Size: 400 Margin of Error: ±5% | January 9–10, 2008 | Rudy Giuliani 34%, John McCain 18%, Mitt Romney 11%, Mike Huckabee 8%, Ron Paul 8%, Undecided 17% |
| Quinnipiac University Margin of Error: ±5.5% Sample Size: 320 | December 5–9, 2007 | Rudy Giuliani 38%, John McCain 12%, Mike Huckabee 8%, Mitt Romney 7%, Fred Thompson 4%, Ron Paul 2%, Duncan Hunter 1%, Tom Tancredo -%, Other 1%, Undecided 23%, Not Voting 2% |
| Quinnipiac University | October 9–15, 2007 | Rudy Giuliani 48%, Fred Thompson 12%, John McCain 12%, Mitt Romney 7%, Paul 2%, Huckabee 1%, Brownback 1%, Tancredo 1%, Hunter -%, Other 1%, Undecided 13% |
| Monmouth University/Gannett New Jersey Poll | September 27–30, 2007 | Rudy Giuliani 44%, John McCain 12%, Fred Thompson 10%, Mitt Romney 8%, Mike Huckabee 2%, Ron Paul 1%, Tom Tancredo 1%, Sam Brownback 0%, Duncan Hunter 0%, Don't know 20% |
| Strategic Vision (note) | September 28–30, 2007 | Rudy Giuliani 53%, Fred Thompson 11%, Mitt Romney 7%, John McCain 7%, Paul 3%, Tancredo 2%, Huckabee 2%, Hunter 1%, Undecided 14% |
| Quinnipiac University | September 18–23, 2007 | Rudy Giuliani 45%, Fred Thompson 12%, John McCain 8%, Mitt Romney 6%, Newt Gingrich 4%, Paul 3%, Huckabee 2%, Brownback -%, Hunter -%, Tancredo -%, Other 2%, Undecided 14% |
| Strategic Vision (R) | August 24–26, 2007 | Rudy Giuliani 51%, Fred Thompson 12%, Mitt Romney 9%, John McCain 7%, Newt Gingrich 3%, Ron Paul 3%, Tom Tancredo 2%, Mike Huckabee 2%, Duncan Hunter 1%, Undecided 10% |
| Strategic Vision (R) | July 13–15, 2007 | Rudy Giuliani 48%, Fred Thompson 15%, John McCain 10%, Mitt Romney 5%, Newt Gingrich 4%, Ron Paul 2%, Tancredo 2%, Huckabee 1%, T. Thompson 1%, Gilmore 1%, Hunter 1%, Undecided 10% |
| Quinnipiac University | June 26 – July 2, 2007 | Rudy Giuliani 46%, John McCain 11%, Fred Thompson 9%, Mitt Romney 7%, Newt Gingrich 6%, Brownback 1%, Huckabee 1%, Paul 1%, T. Thompson 1%, Gilmore -, Hunter -, Tancredo -, Other 1%, Undecided 14% |
| Strategic Vision (R) | April 25–27, 2007 | Rudy Giuliani 49%, John McCain 15%, Fred Thompson 7%, Mitt Romney 6%, Newt Gingrich 4%, Tom Tancredo 2%, Jim Gilmore 1%, Chuck Hagel 1%, Mike Huckabee 1%, Duncan Hunter 1%, Ron Paul 1%, Tommy Thompson 1%, Sam Brownback 1%, Undecided 11% |
| Monmouth University | April 11–16, 2007 | Rudy Giuliani 49%, John McCain 19%, Mitt Romney 6%, Tommy Thompson 2%, Sam Brownback 1%, Mike Huckabee 1%, Jim Gilmore -, VOL-Fred Thompson 1%, Don't Know 21% |
| American Research Group | March 29 – April 2, 2007 | Rudy Giuliani 38%, John McCain 23%, Newt Gingrich 10%, Mitt Romney 8%, Fred Thompson 8%, George Pataki 3%, Sam Brownback 0%, Jim Gilmore 0%, Chuck Hagel 0%, Mike Huckabee 0%, Duncan Hunter 0%, Ron Paul 0%, Tommy Thompson 0%, Tom Tancredo 0%, Undecided 9% |
| Quinnipiac University | January 16–22, 2007 | Rudy Giuliani 39%, John McCain 21%, Newt Gingrich 11%, Mitt Romney 5%, George Pataki 3%, Sam Brownback 1%, Jim Gilmore 1%, Mike Huckabee 1%, Duncan Hunter 1%, Someone Else 1%, Wouldn't Vote 3%, Undecided 13% |

### New Mexico

New Mexico Winner: John McCain Primary Date: June 3, 2008 See also
| Poll Source | Date | Highlights |
| New Mexico State University | Apr 3–7, 2007 | Rudy Giuliani 34%, John McCain 23%, Mitt Romney 9% |
| American Research Group | January 11–13, 2007 | Rudy Giuliani 38%, John McCain 20%, Newt Gingrich 9%, Mitt Romney 7%, Chuck Hagel 6%, Sam Brownback 4%, George Pataki 1%, Jim Gilmore 0%, Mike Huckabee 0%, Duncan Hunter 0%, Tommy Thompson 0%, Undecided 15% |

### New York

New York Winner: John McCain Primary Date: February 5, 2008
See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 607,011 | February 5, 2008 | John McCain 51.2%, Mitt Romney 27.8%, Mike Huckabee 10.8%, Ron Paul 6.4%, Rudy Giuliani 3.1%, Fred Thompson 0.3%, Duncan Hunter 0.2%, Others 0.2% |
| Survey USA Sampling Size: 356 Margin of Error: ±5.3% | February 2–3, 2008 | John McCain 56%, Mitt Romney 23%, Mike Huckabee 8%, Ron Paul 4%, Other 3%, Undecided 6% |
| Quinnipiac University Sampling Size: 370 Margin of Error: ±5.1% | January 30 – February 3, 2008 | John McCain 54%, Mitt Romney 22%, Mike Huckabee 9%, Ron Paul 5%, Other 1%, Undecided 8% |
| Rasmussen Reports Sampling Size: 524 Margin of Error: ±4% | January 31 – February 1, 2008 | John McCain 49%, Mitt Romney 30%, Mike Huckabee 8%, Ron Paul 4%, Other/Undecided 9% |
| WNBC/Marist College Sampling Size: 409 Margin of Error: ±5% | January 30–31, 2008 | John McCain 61%, Mitt Romney 24%, Mike Huckabee 6%, Ron Paul 5%, Undecided 4% |
| Survey USA Sampling Size: 462 Margin of Error: ±4.6% | January 30–31, 2008 | John McCain 55%, Mitt Romney 21%, Mike Huckabee 7%, Ron Paul 4%, Other 8%, Undecided 5% |
| USA Today/Gallup Sampling Size: 412 Margin of Error: ±5% | January 23–26, 2008 | John McCain 40%, Rudy Giuliani 21%, Mitt Romney 17%, Mike Huckabee 11%, Ron Paul 3%, Alan Keyes 1%, Other 2%, Undecided 5% |
| Quinnipiac University Sampling Size: 331 Margin of Error: ±5.4% | January 14–21, 2008 | John McCain 30%, Rudy Giuliani 30%, Mitt Romney 9%, Mike Huckabee 8%, Fred Thompson 8%, Ron Paul 4%, Other 1%, Undecided 9% |
| Zogby Sampling Size: 280 Margin of Error: ±6% | January 19–20, 2008 | John McCain 24%, Rudy Giuliani 21%, Mitt Romney 14%, Mike Huckabee 7%, Fred Thompson 7%, Ron Paul 2%, Other 5%, Undecided 20% |
| WNBC/Marist College Sampling Size: 401 Margin of Error: ±5% | January 15–17, 2008 | John McCain 34%, Rudy Giuliani 23%, Mitt Romney 15%, Mike Huckabee 11%, Fred Thompson 5%, Ron Paul 2%, Undecided 10% |
| Siena College Sampling Size: 174 Margin of Error: ±7.4% | January 14–17, 2008 | John McCain 36%, Rudy Giuliani 24%, Mitt Romney 10%, Mike Huckabee 7%, Fred Thompson 6% |
| Survey USA Sampling Size: 471 Margin of Error: ±4.6% | January 9–10, 2008 | Rudy Giuliani 32%, John McCain 29%, Mike Huckabee 12%, Mitt Romney 7%, Fred Thompson 6%, Ron Paul 3%, Other/Undecided 12% |
| Quinnipiac Sample Size: 335 Margin of Error: ± 5.4% | December 4–10, 2007 | Rudy Giuliani 34%, Mike Huckabee 12%, John McCain 11%, Fred Thompson 7%, Ron Paul 5%, Mitt Romney 5%, Tom Tancredo 1% |
| Datamar | December 2–8, 2007 | Rudy Giuliani 35.7%, Mike Huckabee 13.8%, John McCain 11.3%, Mitt Romney 9.9%, Fred Thompson 7.1%, Ron Paul 3.5%, Tom Tancredo 1.4%, Duncan Hunter 0.9%, Undecided 16.6% |
| Datamar | November 1–5, 2007 | Rudy Giuliani 38.8%, Mitt Romney 11.8%, Fred Thompson 9.9%, John McCain 9.6%, Mike Huckabee 7.8%, Ron Paul 3.0%, Duncan Hunter 1.7%, Tom Tancredo 1.0%, Undecided 16.5% |
| Quinnipiac | October 9–15, 2007 | Rudy Giuliani 45%, Fred Thompson 12%, John McCain 9%, Mitt Romney 7%, Mike Huckabee 1%, Ron Paul 1%, Sam Brownback -%, Tom Tancredo -%, Duncan Hunter -%, Someone Else 5%, Wouldn't Vote 5%, Don't Know/Not Applicable 15% |
| Quinnipiac University | September 24–30, 2007 | Rudy Giuliani 48%, John McCain 8%, Fred Thompson 8%, Newt Gingrich 5%, Mitt Romney 5%, Sam Brownback 1%, Mike Huckabee 1%, Ron Paul 1%, Tom Tancredo 1%, Duncan Hunter <1%, Someone Else 3%, Wouldn't Vote 4%, Don't Know/Not Applicable 17% |
| Siena College | July 24–28, 2007 | Rudy Giuliani 40%, John McCain 13%, Fred Thompson 11%, Newt Gingrich 9%, Mitt Romney 7%, Undecided 21% |
| Siena College | June 18–21, 2007 | Rudy Giuliani 48%, John McCain 13%, Fred Thompson 11%, Mitt Romney 6%, Newt Gingrich 4% |
| Quinnipiac University | June 12–17, 2007 | Rudy Giuliani 46%, Fred Thompson 14%, John McCain 8%, Newt Gingrich 6%, Mitt Romney 3%, Brownback 1%, Huckabee 1%, Gilmore -, Hunter -, Paul -, Tancredo -, T. Thompson -, Other 4%, Undecided 14% |
| Siena College | May 18–25, 2007 | Rudy Giuliani 52%, John McCain 14%, Mitt Romney 7%, Tommy Thompson 4%, Paul 2%, Brownback 1%, Gilmore 1%, Huckabee 1%, Tancredo 1%, Hunter -, Pataki -, Unsure 17% |
| Siena College (Frontrunners) | May 18–25, 2007 | Rudy Giuliani 50%, John McCain 12%, Fred Thompson 8%, Newt Gingrich 7%, Mitt Romney 7%, Unsure 15% |
| NY1 | April 4–7, 2007 | Rudy Giuliani 56%, John McCain 15%, Mitt Romney 5%, T. Thompson 3%, Brownback 1%, Other 1%, Not Sure 16% |
| American Research Group | March 29 – April 2, 2007 | Rudy Giuliani 50%, John McCain 14%, Mitt Romney 7%, Fred Thompson 7%, Newt Gingrich 6%, George Pataki 3%, Sam Brownback 0%, Jim Gilmore 0%, Chuck Hagel 0%, Mike Huckabee 0%, Duncan Hunter 0%, Ron Paul 0%, Tommy Thompson 0%, Tom Tancredo 0%, Undecided 14% |
| Quinnipiac University | Mar 29 – April 1, 2007 | Rudy Giuliani 52%, McCain 13%, Pataki 6%, Romney 4%, Gingrich 3%, F. Thompson 3%, Brownback 1%, Hagel 1%, Gilmore -, Huckabee -, Hunter -, Paul -, Tancredo -, T. Thompson -, Other 2%, Unsure 12% |
| Siena College | Mar 26, 2007 | Rudy Giuliani 48%, John McCain 16%, Newt Gingrich 8%, George Pataki 7%, Mitt Romney 6%, Sam Brownback 1%, Unsure 14% |
| WNBC/Marist | Mar 20–22, 2007 | Rudy Giuliani 48%, John McCain 21%, Newt Gingrich 7%, Fred Thompson 5%, Mitt Romney 2%, Tommy Thompson 1%, Chuck Hagel 1%, Tom Tancredo 1%, Sam Brownback 1%, Ron Paul <1%, John Cox <1%, Mike Huckabee <1%, Duncan Hunter <1%, Undecided 13% |
| Quinnipiac University | Feb 6–11, 2007 | Rudy Giuliani 51%, John McCain 17%, George Pataki 7%, Newt Gingrich 6%, Mike Huckabee 2%, Mitt Romney 1%, Duncan Hunter 1%, Chuck Hagel 1%, Tom Tancredo 1% |

### North Carolina

North Carolina Winner: John McCain Primary Date: May 6, 2008 See also
| Poll Source | Date | Highlights |
| Primary Result Sampling Size: 518,208 | May 6, 2008 | John McCain 73.6%, Mike Huckabee 12.1%, Ron Paul 7.8%, Alan Keyes 2.6%, Others 3.9% |
| Survey USA Sampling Size: 436 Margin of Error: ±4.8% | February 11, 2008 | John McCain 45%, Mike Huckabee 40%, Ron Paul 5%, Someone Else 5%, Undecided 5% |
| Survey USA Sampling Size: 485 Margin of Error: ±4.5% | January 12–14, 2008 | Mike Huckabee 28%, John McCain 27%, Fred Thompson 15%, Rudy Giuliani 10%, Mitt Romney 10%, Ron Paul 3%, Someone Else 2%, Undecided 5% |
| Public Policy Polling (D) | December 3, 2007 | Mike Huckabee 33%, Rudy Giuliani 17%, Fred Thompson 16%, Mitt Romney 9%, John McCain 8%, Ron Paul 3%, Someone Else 3%, Undecided 10% |
| Public Policy Polling (D) | November 5, 2007 | Fred Thompson 24%, Rudy Giuliani 19%, Mitt Romney 10%, John McCain 8%, Other 14%, Undecided 25% |
| Civitas Institute | October 9–14, 2007 | Rudy Giuliani 21%, Fred Thompson 19%, Mitt Romney 16%, Other 13%, Undecided 24% |
| Public Policy Polling (D) | October 3, 2007 | Fred Thompson 31%, Rudy Giuliani 20%, Mitt Romney 11%, John McCain 11%, Other 8%, Undecided 20% |
| Elon University Polling | Sept. 24–27, 2007 | Fred Thompson 27.9%, Rudy Giuliani 21.0%, John McCain 12.2%, Mitt Romney 8.4%, Mike Huckabee 2.0%, Ron Paul 1.4%, Sam Brownback 0.4, Tom Tancredo 0.4%, Other 1.6%, Undecided 24.7% |
| Public Policy Polling (D) | September 5, 2007 | Fred Thompson 34%, Rudy Giuliani 16%, Mitt Romney 13%, John McCain 7%, Other 7%, Undecided 22% |
| Public Policy Polling (D) | August 1–2, 2007 | Fred Thompson 30%, Rudy Giuliani 20%, Mitt Romney 12%, John McCain 7%, Other 5%, Undecided 23% |
| Public Policy Polling (D) | July 2, 2007 | Fred Thompson 34%, Rudy Giuliani 15%, Newt Gingrich 13%, John McCain 7%, Mitt Romney 6%, Other 5%, Undecided 21% |
| Civitas Institute poll conducted by Tel Opinion Research (R) | June 13–15, 2007 | Rudy Giuliani 24%, Fred Thompson 24%, John McCain 16%, Mitt Romney 6% |
| Public Policy Polling (D) Margin of Error: +/- 3.9% Sampling Size: 603 | June 4, 2007 | Fred Thompson 37%, Rudy Giuliani 25%, John McCain 14%, Mitt Romney 14% |
| Public Policy Polling (D) | May 1–3, 2007 | Rudy Giuliani 32%, Fred Thompson 25%, John McCain 14%, Mitt Romney 14% |
| Public Policy Polling (D) | April 2, 2007 | Rudy Giuliani 30%, John McCain 19%, Mitt Romney 14%, Other 25%, Undecided 13% |
| Public Policy Polling (D) | Mar 5, 2007 | Rudy Giuliani 32%, Newt Gingrich 26%, John McCain 17%, Mitt Romney 7%, Other 10%, Undecided 8% |
| Elon University | Feb 18–22, 2007 | Rudy Giuliani 17%, John McCain 15%, Bill Frist 6%, Mitt Romney 2% |
| American Research Group | January 4–7, 2007 | Rudy Giuliani 34%, John McCain 26%, Newt Gingrich 11%, Mike Huckabee 4%, Chuck Hagel 2%, Mitt Romney 2%, Jim Gilmore 1%, Undecided 19% |

### North Dakota

North Dakota Winner: Mitt Romney Caucus Date: February 5, 2008
| Poll Source | Date | Highlights |
| Caucus results Sampling Size: 9785 | February 5, 2008 | Mitt Romney 35.7%, John McCain 22.7%, Ron Paul 21.3%, Mike Huckabee 19.9%, Others 0.4% |

### Ohio

Ohio Winner: John McCain Primary Date: March 4, 2008 See also
| Poll Source | Date | Highlights |
| Survey USA Sampling Size: 478 Margin of Error: ±4.5% | February 17–18, 2008 | John McCain 61%, Mike Huckabee 29%, Ron Paul 5%, Other 4%, Undecided 2% |
| Rasmussen Reports Sampling Size: 668 Margin of Error: ±4% | February 13, 2008 | John McCain 50%, Mike Huckabee 33%, Ron Paul 5%, Undecided 12% |
| Survey USA Sampling Size: 524 Margin of Error: ±4.4% | February 10–11, 2008 | John McCain 50%, Mike Huckabee 36%, Ron Paul 6%, Other 5%, Undecided 2% |
| Columbus Dispatch Sampling Size: 2156 Margin of Error: ±2% | January 23–31, 2008 | John McCain 28%, Mitt Romney 22%, Mike Huckabee 14%, Rudy Giuliani 6%, Ron Paul 3%, Fred Thompson 2%, Unsure 25% |
| Quinnipiac University | November 26 – Dec 3, 2007 | Rudy Giuliani 29%, John McCain 13%, Mike Huckabee 10%, Mitt Romney 7%, Fred Thompson 7%, Ron Paul 4%, Duncan Hunter 1%, Tom Tancredo -, Someone Else 4%, Wouldn't Vote 3%, Unsure 21% |
| Quinnipiac University | November 6–11, 2007 | Rudy Giuliani 27%, John McCain 14%, Fred Thompson 13%, Mitt Romney 11%, Mike Huckabee 7%, Ron Paul 2%, Duncan Hunter 1%, Tom Tancredo 1%, Someone Else 1%, Wouldn't Vote 2%, Unsure 20% |
| Quinnipiac University | Oct 1–8, 2007 | Rudy Giuliani 29%, Fred Thompson 17%, John McCain 10%, Mitt Romney 8%, Mike Huckabee 5%, Ron Paul 1%, Duncan Hunter 1%, Sam Brownback 1%, Tom Tancredo 1%, Someone Else 3%, Wouldn't Vote 3%, Unsure 22% |
| Strategic Vision (note) | Sept 14–16, 2007 | Rudy Giuliani 34%, Fred Thompson 21%, John McCain 9%, Mitt Romney 8%, Newt Gingrich 5%, Mike Huckabee 4%, Ron Paul 3%, Tom Tancredo 2%, Sam Brownback 2%, Duncan Hunter 1%, Undecided 11% |
| Quinnipiac University | Aug 28 – Sept 3, 2007 | Rudy Giuliani 21%, Fred Thompson 15%, John McCain 10%, Newt Gingrich 9%, Mitt Romney 8%, Mike Huckabee 3%, Ron Paul 2%, Duncan Hunter 1%, Sam Brownback 1%, Tom Tancredo 1%, Someone Else 4%, Wouldn't Vote 2%, Unsure 25% |
| Quinnipiac University | July 30 – Aug 6, 2007 | Rudy Giuliani 26%, Fred Thompson 19%, John McCain 11%, Newt Gingrich 8%, Mitt Romney 8%, Tommy Thompson 2%, Mike Huckabee 1%, Ron Paul 1%, Duncan Hunter 1%, Sam Brownback 0%, Jim Gilmore 0%, Tom Tancredo 0%, Someone Else 2%, Wouldn't Vote 4%, Unsure 22% |
| Quinnipiac University | July 3–9, 2007 | Rudy Giuliani 24%, Fred Thompson 18%, John McCain 14%, Mitt Romney 8%, Newt Gingrich 5%, Mike Huckabee 2%, Sam Brownback 1%, Jim Gilmore 1%, Ron Paul 1%, Tommy Thompson 1%, Duncan Hunter -, Tom Tancredo -, Someone Else 3%, Wouldn't Vote 2%, Unsure 20% |
| Quinnipiac University | June 18–22, 2007 | Rudy Giuliani 25%, Fred Thompson 17%, John McCain 16%, Mitt Romney 7%, Newt Gingrich 6%, Mike Huckabee 2%, Tommy Thompson 1%, Ron Paul -, Tom Tancredo -, Sam Brownback -, Jim Gilmore -, Duncan Hunter -, Someone Else 3%, Wouldn't Vote 3%, Unsure 22% |
| Quinnipiac University | May 8–13, 2007 | Rudy Giuliani 23%, John McCain 17%, Fred Thompson 15%, Mitt Romney 11%, Newt Gingrich 6%, Mike Huckabee 2%, Tommy Thompson 2%, Sam Brownback -, Jim Gilmore -, Chuck Hagel -, Duncan Hunter -, Pataki -, Tancredo -, Other 2%, Wouldn't Vote 2%, Unsure 18% |
| Quinnipiac University | Mar 13 – 19, 2007 | Rudy Giuliani 31%, John McCain 20%, Newt Gingrich 8%, Fred Thompson 6%, Mitt Romney 6%, Jim Gilmore 1%, Chuck Hagel 1%, Mike Huckabee 1%, Tom Tancredo 1%, Tommy Thompson 1%, Sam Brownback 0%, Duncan Hunter 0%, Ron Paul 0%, George Pataki 0%, Someone else 1%, Wouldn't Vote 1%, Undecided 23% |
| Quinnipiac University | Feb 25 – Mar 1, 2007 | Rudy Giuliani 35%, John McCain 18%, Newt Gingrich 13%, Mitt Romney 3%, Tommy Thompson 2%, Jim Gilmore 1%, Chuck Hagel 1%, Duncan Hunter 1%, Tom Tancredo 1%, Sam Brownback 0%, Mike Huckabee 0%, Ron Paul 0%, George Pataki 0%, Someone else 3%, Wouldn't Vote 1%, Undecided 16% |
| Quinnipiac University | January 30, 2007 | Rudy Giuliani 30%, John McCain 22%, Newt Gingrich 11%, Mitt Romney 4%, Sam Brownback 1%, Tommy Thompson 1%, Chuck Hagel 1%, Mike Huckabee 1%, George Pataki 1%, Tom Tancredo 1%, Duncan Hunter 0%, Jim Gilmore 0%, Someone Else 5%, Wouldn't Vote 2%, Don't Know 19% |

### Oklahoma

Oklahoma Winner: John McCain Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 335,603 | February 5, 2008 | John McCain 36.7%, Mike Huckabee 33.4%, Mitt Romney 24.8%, Ron Paul 3.3%, Rudy Giuliani 0.7%, Fred Thompson 0.6%, Duncan Hunter 0.1%, Tom Tancredo 0.1%, Others 0.4% |
| Survey USA Sampling Size: 445 Margin of Error: ±4.7% | February 2–3, 2008 | John McCain 37%, Mike Huckabee 32%, Mitt Romney 23%, Ron Paul 3%, Other 2%, Undecided 2% |
| Tulsa World/KOTV Sampling Size: 306 Margin of Error: ±5.6% | January 27–30, 2008 | John McCain 40%, Mike Huckabee 19%, Mitt Romney 17%, Rudy Giuliani 5%, Ron Paul 3%, Other 2%, Undecided 14% |
| Survey USA Sampling Size: 502 Margin of Error: ±4.5% | January 27, 2008 | John McCain 37%, Mike Huckabee 28%, Mitt Romney 19%, Rudy Giuliani 6%, Ron Paul 6%, Other 2%, Undecided 3% |
| Survey USA Sampling Size: 501 Margin of Error: ±4.5% | January 11–13, 2008 | Mike Huckabee 31%, John McCain 29%, Fred Thompson 13%, Rudy Giuliani 11%, Mitt Romney 8%, Ron Paul 3%, Other 1%, Undecided 5% |
| Tulsa World/KOTV Oklahoma Poll Sample Size: 338 Margin of Error: ± 5.33% | December 16–19, 2007 | Mike Huckabee 29%, John McCain 17%, Rudy Giuliani 11%, Mitt Romney 9%, Fred Thompson 8%, Ron Paul 3%, Duncan Hunter 1%, Don't Know/Refused 22% |
| Tulsa World/KOTV Oklahoma Poll | May 16, 2007 | Rudy Giuliani 32%, John McCain 23%, Fred Thompson 15%, Mitt Romney 6%, Sam Brownback 5%, Mike Huckabee 2%, Chuck Hagel 2%, Tommy Thompson 2%, Undecided 13% |
| American Research Group | February 8–13, 2007 | Rudy Giuliani 37%, John McCain 21%, Mike Huckabee 14%, Newt Gingrich 3%, Jim Gilmore 2%, Mitt Romney 2%, Sam Brownback 0%, Chuck Hagel 0%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Tom Tancredo 0%, Tommy Thompson 0%, Undecided 21% |

### Oregon

Oregon Winner: To Be Determined Primary Date: May 20, 2008
| Poll Source | Date | Highlights |
| Riley Research Margin of Error: +/- 7.9% Sampling Size: 153 | January 21–29, 2008 | John McCain 30%, Mitt Romney 21%, Mike Huckabee 16%, Rudy Giuliani 8%, Ron Paul 3%, Unsure 19% |
| Riley Research Margin of Error: +/- 4.86% Sampling Size: 406 | Aug 10–15, 2007 | Rudy Giuliani 16%, Mitt Romney 15%, Fred Thompson 11%, John McCain 8%, Mike Huckabee 3%, Tommy Thompson 2%, Sam Brownback 1%, Ron Paul 1%, Tom Tancredo 1%, Refused 1%, Other 13%, Undecided 35% |
| Riley Research | Mar 14, 2007 | Rudy Giuliani 33%, John McCain 20%, Newt Gingrich 6%, Mitt Romney 5%, Mike Huckabee 2%, Ron Paul 1%, Tommy Thompson 1%, Tom Tancredo 0%, Refused 1%, Miscellaneous 4%, Undecided 25% |

### Pennsylvania

Pennsylvania Winner: John McCain Primary Date: Tuesday, April 22, 2008 See also
| Poll Source | Date | Highlights |
| Franklin and Marshall College Sampling Size: 277 Margin of Error: ±3.9% | January 8–14, 2008 | John McCain 30%, Rudy Giuliani 14%, Mike Huckabee 12%, Fred Thompson 8%, Mitt Romney 7%, Ron Paul 2%, Duncan Hunter 1%, Other 2%, Don't Know 24% |
| Quinnipiac University | November 26 – Dec 3, 2007 | Rudy Giuliani 27%, Mike Huckabee 13%, John McCain 13%, Mitt Romney 6%, Fred Thompson 6%, Ron Paul 4%, Duncan Hunter 1%, Tom Tancredo -%, Other 3%, Wouldn't Vote 3%, Unsure 23% |
| Quinnipiac University | Oct 31 – November 5, 2007 | Rudy Giuliani 29%, John McCain 12%, Fred Thompson 11%, Mitt Romney 7%, Mike Huckabee 6%, Ron Paul 4%, Duncan Hunter 1%, Tom Tancredo -%, Other 2%, Wouldn't Vote 4%, Unsure 23% |
| Quinnipiac University | Oct 1–8, 2007 | Rudy Giuliani 32%, Fred Thompson 13%, John McCain 13%, Mitt Romney 8%, Ron Paul 4%, Mike Huckabee 2%, Duncan Hunter 1%, Sam Brownback -%, Tom Tancredo -%, Other 3%, Wouldn't Vote 2%, Unsure 20% |
| Strategic Vision (note) | Sept 28–30, 2007 | Rudy Giuliani 45%, Fred Thompson 15%, John McCain 8%, Mitt Romney 7%, Ron Paul 3%, Tom Tancredo 2%, Mike Huckabee 2%, Sam Brownback 1%, Duncan Hunter 1%, Undecided 16% |
| Keystone Poll | Aug 24 – Sep 2, 2007 | Rudy Giuliani 32%, John McCain 19%, Mitt Romney 12%, Fred Thompson 11%, Undecided 23% |
| Quinnipiac University | Aug 14–20, 2007 | Rudy Giuliani 31%, John McCain 13%, Newt Gingrich 9%, Fred Thompson 8%, Mitt Romney 7%, Ron Paul 2%, Sam Brownback 2%, Mike Huckabee 2%, Tom Tancredo 1%, Duncan Hunter -, Other 2%, Wouldn't Vote 2%, Unsure 23% |
| Quinnipiac University | July 30 – Aug 6, 2007 | Rudy Giuliani 29%, John McCain 16%, Fred Thompson 14%, Newt Gingrich 9%, Ron Paul 3%, Mitt Romney 3%, Sam Brownback 1%, Mike Huckabee 1%, Tommy Thompson 1%, Duncan Hunter 1%, Jim Gilmore 0%, Tom Tancredo 0%, Other 2%, Wouldn't Vote 4%, Unsure 16% |
| Strategic Vision (R) | July 6–8, 2007 | Rudy Giuliani 42%, Fred Thompson 16%, John McCain 10%, Mitt Romney 6%, Newt Gingrich 4%, Sam Brownback 2%, Mike Huckabee 2%, Ron Paul 2%, Tom Tancredo 2%, Gilmore 1%, Hunter 1%, Tommy Thompson 1%, Undecided 11% |
| Quinnipiac University | June 18–25, 2007 | Rudy Giuliani 29%, John McCain 15%, Fred Thompson 15%, Newt Gingrich 5%, Mitt Romney 3%, Sam Brownback 1%, Jim Gilmore 1%, Mike Huckabee 1%, Tommy Thompson 1%, Duncan Hunter -, Ron Paul -, Tom Tancredo -, Other 3%, Wouldn't Vote 3%, Unsure 24% |
| WTAE/Pittsburgh Tribune-Review Keystone | May 29 – June 4, 2007 | Rudy Giuliani 29%, John McCain 29%, Mitt Romney 12%, Other 6%, Don't Know 24% |
| Quinnipiac University | May 22–28, 2007 | Rudy Giuliani 28%, John McCain 11%, Fred Thompson 10%, Mitt Romney 9%, Gingrich 8%, Brownback 1%, Huckabee 1%, Pataki 1%, Paul 1%, Tancredo 1%, Gilmore -, Hagel -, Hunter -, Tommy Thompson -, Other 2%, Unsure 23% |
| Strategic Vision (R) | April 13–15, 2007 | Rudy Giuliani 44%, John McCain 17%, Fred Thompson 10%, Newt Gingrich 5%, Mitt Romney 3%, Sam Brownback 2%, Tom Tancredo 1%, Huckabee 1%, T. Thompson 1%, Gilmore 1%, Hunter 1%, Paul 1%, Hagel 1%, Undecided 11% |
| Quinnipiac University | Mar 19–25, 2007 | Rudy Giuliani 33%, John McCain 18%, Newt Gingrich 7%, Fred Thompson 6%, Mitt Romney 5%, Sam Brownback 1%, Mike Huckabee 1%, Duncan Hunter 1%, George Pataki 1%, Jim Gilmore 0%, Chuck Hagel 0%, Ron Paul 0%, Tom Tancredo 0%, Tommy Thompson 0%, Other 3%, Unsure 22% |
| Strategic Vision (note) | Mar 16–18, 2007 | Rudy Giuliani 45%, John McCain 20%, Newt Gingrich 7%, Mitt Romney 5%, Sam Brownback 3%, Tom Tancredo 2%, Chuck Hagel 1%, Jim Gilmore 1%, Mike Huckabee 1%, Duncan Hunter 1%, Ron Paul 1%, Tommy Thompson 1%, Undecided 12% |
| Quinnipiac University | Feb 25 – Mar 1, 2007 | Rudy Giuliani 43%, John McCain 17%, Newt Gingrich 8%, Mitt Romney 6%, Sam Brownback 1%, Chuck Hagel 1%, George Pataki 1%, Jim Gilmore 0%, Mike Huckabee 0%, Duncan Hunter 0%, Ron Paul 0%, Tom Tancredo 0%, Tommy Thompson 0%, Someone else 1%, Wouldn't Vote 3%, Undecided 18% |
| Quinnipiac University | Feb 1–5, 2007 | Rudy Giuliani 30%, John McCain 20%, Newt Gingrich 14%, Mitt Romney 4%, Sam Brownback 2%, Chuck Hagel 1%, Duncan Hunter 1%, Mike Huckabee 1%, Someone Else 4%, Wouldn't Vote 3%, Undecided 20% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (528 R, 72 I) | January 4–8, 2007 | Rudy Giuliani 35%, John McCain 25%, Newt Gingrich 10%, Chuck Hagel 4%, Sam Brownback 2%, Jim Gilmore 1%, Mike Huckabee 1%, Mitt Romney 1%, Undecided 21% |

### Rhode Island

Rhode Island Winner: John McCain Primary Date: March 4, 2008 See also
| Poll Source | Date | Highlights |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (215 R, 385 I) | April 25 – May 2, 2006 | John McCain 50%, Mitt Romney 14%, Newt Gingrich 4%, George Pataki 1%, Chuck Hagel <.5%, George Allen 0%, Sam Brownback 0%, Bill Frist 0%, Mike Huckabee 0%, Undecided 31% |
| American Research Group | Feb 2006 | John McCain 45%, Mitt Romney 17%, Newt Gingrich 6%, Bill Frist 2%, George Pataki 1%, Undecided 29% |

### South Carolina

South Carolina Winner: John McCain Primary Date: January 19, 2008
See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 431,196 | January 19, 2008 | John McCain 33.2%, Mike Huckabee 29.9%, Fred Thompson 15.7%, Mitt Romney 15.1%, Ron Paul 3.7%, Rudy Giuliani 2.1%, Duncan Hunter .2% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 17–18, 2008 | Mike Huckabee 33%, John McCain 26%, Fred Thompson 21%, Mitt Romney 9%, Rudy Giuliani 3%, Ron Paul 2%, Duncan Hunter 1%, Alan Keyes 1%, Undecided 4% |
| Reuters/CSpan/Zogby Sampling Size: 817 Margin of Error: ±3.4% | January 17–18, 2008 | John McCain 27%, Mike Huckabee 26%, Mitt Romney 16%, Fred Thompson 12%, Ron Paul 4%, Rudy Giuliani 3% |
| Insider Advantage Sampling Size: 635 Margin of Error: ±3–4% | January 17, 2008 | Mike Huckabee 26%, John McCain 25.7%, Mitt Romney 12.9%, Fred Thompson 12.7%, Rudy Giuliani 5.2%, Ron Paul 4.8%, Duncan Hunter 2.5%, Undecided 10.3% |
| Survey USA Sampling Size: 699 Margin of Error: ±3.8% | January 16–17, 2008 | John McCain 31%, Mike Huckabee 27%, Mitt Romney 17%, Fred Thompson 16%, Ron Paul 5%, Rudy Giuliani 2%, Other 1%, Undecided 2% |
| Fox News/Opinion Dynamics Sampling Size: 500 Margin of Error: ±4% | January 16–17, 2008 | John McCain 27%, Mike Huckabee 20%, Mitt Romney 15%, Fred Thompson 11%, Ron Paul 4%, Rudy Giuliani 3%, Duncan Hunter 1%, Other 1%, Undecided 19% |
| Reuters/CSPAN/Zogby Sampling Size: 815 Margin of Error: ±3.4% | January 15–17, 2008 | John McCain 29%, Mike Huckabee 22%, Mitt Romney 15%, Fred Thompson 13%, Ron Paul 4%, Rudy Giuliani 2%, Undecided 9% |
| Survey USA Sampling Size: 470 Margin of Error: ±4.6% | January 16, 2008 | John McCain 29%, Mike Huckabee 26%, Mitt Romney 17%, Fred Thompson 17%, Ron Paul 5%, Rudy Giuliani 3%, Other 2%, Undecided 2% |
| Rasmussen Reports Sampling Size: 895 Margin of Error: ±3% | January 16, 2008 | Mike Huckabee 24%, John McCain 24%, Mitt Romney 18%, Fred Thompson 16%, Ron Paul 5%, Rudy Giuliani 3%, Undecided 7% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 15–16, 2008 | John McCain 33%, Mike Huckabee 23%, Mitt Romney 20%, Fred Thompson 13%, Rudy Giuliani 4%, Alan Keyes 2%, Duncan Hunter 1%, Ron Paul 1%, Undecided 3% |
| MSNBC/Mason Dixon/McClatchy Sampling Size: 400 Margin of Error: ±5% | January 14–16, 2008 | John McCain 27%, Mike Huckabee 25%, Mitt Romney 15%, Fred Thompson 13%, Ron Paul 6%, Rudy Giuliani 5%, Duncan Hunter 1%, Undecided 8% |
| Reuters/CSPAN/Zogby Sampling Size: 813 Margin of Error: ±3.4% | January 14–16, 2008 | John McCain 29%, Mike Huckabee 22%, Fred Thompson 14%, Mitt Romney 12%, Ron Paul 5%, Rudy Giuliani 5%, Undecided 10% |
| Reuters/CSPAN/Zogby Sampling Size: 813 Margin of Error: ±3.4% | January 13–15, 2008 | John McCain 29%, Mike Huckabee 23%, Mitt Romney 13%, Fred Thompson 12%, Ron Paul 6%, Rudy Giuliani 5%, Some Other Candidate 4%, Will Not Vote/Undecided 10% |
| Clemson University Sampling Size: 450 Margin of Error: ±4.6% | January 9–15, 2008 | John McCain 29%, Mike Huckabee 22%, Mitt Romney 13%, Fred Thompson 10%, Ron Paul 6%, Rudy Giuliani 3%, Undecided 17% |
| Rasmussen Reports Sampling Size: 911 Margin of Error: ±3% | January 13, 2008 | John McCain 28%, Mike Huckabee 19%, Mitt Romney 17%, Fred Thompson 16%, Rudy Giuliani 5%, Ron Paul 5%, Some Other Candidate 2%, Undecided 8% |
| Fox News/Opinion Dynamics Sampling Size: 500 Margin of Error: ±4% | January 9, 2008 | John McCain 25%, Mike Huckabee 18%, Mitt Romney 17%, Fred Thompson 9%, Rudy Giuliani 5%, Ron Paul 5%, Duncan Hunter 1%, Other 1%, Don't Know 19% |
| Rasmussen Reports Sampling Size: 785 Margin of Error: ±4% | January 9, 2008 | John McCain 27%, Mike Huckabee 24%, Mitt Romney 16%, Fred Thompson 12%, Rudy Giuliani 6%, Ron Paul 5%, Some Other Candidate 3%, Not Sure 6% |
| Insider Advantage Sampling Size: 479 Margin of Error: ±4% | January 7, 2008 | Mike Huckabee 33%, John McCain 21%, Mitt Romney 14%, Rudy Giuliani 8%, Ron Paul 5%, Fred Thompson 5%, Duncan Hunter 1%, No Opinion 13% |
| Rasmussen Reports Sampling Size: 882 Margin of Error: ±4% | January 6, 2008 | Mike Huckabee 28%, John McCain 21%, Mitt Romney 15%, Fred Thompson 11%, Rudy Giuliani 10%, Ron Paul 4%, Other 2%, Undecided 9% |
| Survey USA Sampling Size: 658 Margin of Error: ±3.9% | January 4–6, 2008 | Mike Huckabee 36%, Mitt Romney 19%, John McCain 17%, Fred Thompson 11%, Rudy Giuliani 9%, Ron Paul 5%, Other 1%, Undecided 3% |
| SurveyUSA Sample Size: 593 Margin of Error: ±4.1% | December 17–18, 2007 | Mike Huckabee 28%, Mitt Romney 18%, John McCain 16%, Fred Thompson 15%, Rudy Giuliani 12%, Other 7%, Undecided 4% |
| CBS News Sample Size: 447 Margin of Error: ±5% | December 13–17, 2007 | Mike Huckabee 28%, Mitt Romney 20%, Rudy Giuliani 12%, John McCain 11%, Fred Thompson 10%, Ron Paul 3% |
| Rasmussen Reports Poll Sample Size: 724 Margin of Error: ± 4% | December 16, 2007 | Mike Huckabee 23%, Mitt Romney 23%, Fred Thompson 12%, John McCain 12%, Rudy Giuliani 11%, Ron Paul 5%, Some other candidate 2% |
| CNN | December 9–12, 2007 | Mike Huckabee 24%, Fred Thompson 17%, Mitt Romney 16%, Rudy Giuliani 16%, John McCain 13%, Ron Paul 11%, Undecided 3% |
| Survey USA Poll | December 7–9, 2007 | Mike Huckabee 30%, Mitt Romney 19%, Fred Thompson 18%, Rudy Giuliani 13%, John McCain 10%, Other 6%, Undecided 3% |
| Mason-Dixon Poll | December 3–6, 2007 | Mike Huckabee 20%, Rudy Giuliani 17%, Mitt Romney 15%, Fred Thompson 14%, John McCain 10%, Ron Paul 4%, Tom Tancredo 1%, Alan Keyes 1%, Duncan Hunter 0%, Undecided 18% |
| Rasmussen Reports Poll | December 3–4, 2007 | Mike Huckabee 25%, Fred Thompson 18%, Mitt Romney 18%, Rudy Giuliani 12%, John McCain 9%, Ron Paul 4%, Some other candidate 2% |
| Insider Advantage Poll | December 3–4, 2007 | Mike Huckabee 23%, Fred Thompson 17%, Rudy Giuliani 17%, Mitt Romney 14%, John McCain 10%, Ron Paul 6%, Duncan Hunter 1%, Tom Tancredo 1%, Undecided 11% |
| American Research Group | November 26–29, 2007 | Rudy Giuliani 23%, Mitt Romney 21%, Mike Huckabee 18%, Fred Thompson 13%, John McCain 10%, Ron Paul 3%, Duncan Hunter 2%, Tom Tancredo -%, Alan Keyes -%, Undecided 10% |
| Clemson University Palmetto Poll Sampling Size: 450 Margin of Error: +/- 4.62% | November 14–27, 2007 | Mitt Romney 17%, Fred Thompson 15%, Mike Huckabee 13%, John McCain 11%, Rudy Giuliani 9%, Ron Paul 6%, Duncan Hunter 1%, Tom Tancredo 0%, Undecided 28% |
| Rasmussen | November 20, 2007 | Mitt Romney 21%, Fred Thompson 21%, Rudy Giuliani 13%, Mike Huckabee 12%, John McCain 9%, Ron Paul 8%, Duncan Hunter 2%, Tom Tancredo 2%, Undecided 13% |
| Ayers, McHenry & Associates | November 19, 2007 | Mitt Romney 20%, Rudy Giuliani 19%, John McCain 17%, Fred Thompson 13%, Mike Huckabee 8%, Ron Paul 3%, Duncan Hunter 1%, Tom Tancredo 0%, Undecided 18% |
| Survey USA | November 9–11, 2007 | Rudy Giuliani 26%, Mitt Romney 20%, Fred Thompson 18%, John McCain 14%, Mike Huckabee 12%, Other 6%, Undecided 4% |
| American Research Group | October 26–29, 2007 | Mitt Romney 29%, Rudy Giuliani 23%, John McCain 13%, Fred Thompson 10%, Mike Huckabee 5%, Ron Paul 4%, Duncan Hunter 2%, Tom Tancredo 1%, Alan Keyes 1%, Undecided 12% |
| Winthrop/ETV Poll | October 7–28, 2007 | Fred Thompson 17.9%, Mitt Romney 16.5%, Rudy Giuliani 16.5%, John McCain 9.2%, Mike Huckabee 5.4%, Ron Paul 2.1%, Duncan Hunter 0.8%, Tom Tancredo 0.6%, Sam Brownback 0.2%, Undecided 29.9% |
| Insider Advantage | October 2, 2007 | Fred Thompson 21%, Rudy Giuliani 16%, John McCain 16%, Mitt Romney 16%, Mike Huckabee 11%, Ron Paul 3%, Duncan Hunter 2%, Sam Brownback 2%, No Opinion 13% |
| American Research Group | September 26–29, 2007 | Mitt Romney 26%, Rudy Giuliani 23%, John McCain 15%, Fred Thompson 10%, Newt Gingrich 7%, Ron Paul 2%, Sam Brownback 1%, Mike Huckabee 1%, Duncan Hunter 1%, Tom Tancredo 1%, Alan Keyes -, Undecided 13% |
| Rasmussen | September 26–27, 2007 | Fred Thompson 24%, Rudy Giuliani 20%, Mitt Romney 15%, John McCain 11%, Mike Huckabee 3%, Others 5%, Undecided 22% |
| Los Angeles Times/Bloomberg Poll | September 6–10, 2007 | Fred Thompson 26%, Rudy Giuliani 23%, John McCain 15%, Mitt Romney 9%, Mike Huckabee 6%, Ron Paul 2%, Tom Tancredo 1%, Sam Brownback 1%, Duncan Hunter 1%, Undecided 13% |
| American Research Group | August 26–29, 2007 | Rudy Giuliani 26%, Fred Thompson 21%, John McCain 12%, Mike Huckabee 9%, Mitt Romney 9%, Newt Gingrich 6%, Sam Brownback 2%, Ron Paul 2%, Tancredo 1%, Hunter -, Undecided 12% |
| Clemson University Palmetto Poll | August 20–29, 2007 | Fred Thompson 19%, Rudy Giuliani 18%, John McCain 15%, Mitt Romney 11%, Newt Gingrich 9%, Mike Huckabee 6%, Ron Paul 1%, Sam Brownback -, Tancredo -, Hunter -, Undecided 20% |
| Rasmussen Reports | August 20, 2007 | Fred Thompson 23%, Rudy Giuliani 21%, John McCain 14%, Mitt Romney 10%, Mike Huckabee 6%, Others 3%, Undecided 22% |
| Public Policy Polling (D) | August 13, 2007 | Fred Thompson 21%, Rudy Giuliani 18%, Mitt Romney 17%, John McCain 11%, Mike Huckabee 7%, Sam Brownback 3%, Ron Paul 2%, Duncan Hunter 1%, Tom Tancredo 1%, Undecided 18% |
| American Research Group | July 26–30, 2007 | Rudy Giuliani 28%, Fred Thompson 27%, John McCain 10%, Mitt Romney 7%, Mike Huckabee 3%, Ron Paul 3%, Duncan Hunter 1%, Tom Tancredo 1%, Sam Brownback -, Tommy Thompson -, Undecided 13% |
| CNN/Opinion Research (Without Gingrich) | July 16–18, 2007 | Rudy Giuliani 28% (30%), John McCain 20% (21%), Fred Thompson 17% (18%), Newt Gingrich 6%, Mitt Romney 4% (6%), Tommy Thompson 4%, Mike Huckabee 3%, Hunter 2%, Paul 2%, Tancredo 2%, Brownback 1%, Undecided 11% |
| American Research Group | June 26–30, 2007 | John McCain 23%, Rudy Giuliani 22%, Fred Thompson 19%, Mitt Romney 8%, Mike Huckabee 3%, Hunter 2%, Brownback 1%, Gilmore 1%, Tancredo 1%, Undecided 14% |
| Mason Dixon | June 13–15, 2007 | Fred Thompson 25%, Rudy Giuliani 21%, Mitt Romney 11%, John McCain 7%, Mike Huckabee 5%, Brownback 1%, Hunter 1%, Thompson 1%, Gilmore -, Tancredo -, Paul -, Undecided 28% |
| Public Policy Polling (D) | May 31, 2007 | Mitt Romney 31%, Fred Thompson 15%, Newt Gingrich 10%, John McCain 9%, Rudy Giuliani 8%, Tommy Thompson 5%, Sam Brownback 4%, Mike Huckabee 4%, Tom Tancredo 4%, Ron Paul 2%, Duncan Hunter 1%, Jim Gilmore 0%, Undecided 8% |
| Winthrop/ETV | May 16–27, 2007 | Rudy Giuliani 18.6%, John McCain 14.4%, Mitt Romney 11.7%, Fred Thompson 6.4%, Newt Gingrich 3.4%, Brownback 1.5%, Hunter 1.1%, Huckabee .8%, Tommy Thompson .8%, Hagel .4%, Unsure 29.9% |
| American Research Group | May 23–25, 2007 | John McCain 32%, Rudy Giuliani 23%, Fred Thompson 13%, Mitt Romney 10%, Newt Gingrich 6%, Brownback 1%, Gilmore 1%, Hagel 1%, Huckabee 1%, Tancredo 1%, Tommy Thompson 1%, Hunter -, Pataki -, Paul -, Undecided 11% |
| Insider Advantage | May 21–22, 2007 | Rudy Giuliani 18%, Newt Gingrich 17%, John McCain 17%, Fred Thompson 13%, Mitt Romney 8%, Mike Huckabee 6%, Duncan Hunter 4%, Sam Brownback 3%, Duncan Hunter 3%, Gilmore 1%, Ron Paul 1%, Undecided/Don't Know 13% |
| Insider Advantage/Majority Opinion | May 8–9, 2007 | Rudy Giuliani 22%, Newt Gingrich 15%, Mitt Romney 10%, John McCain 9%, Fred Thompson 8%, Sam Brownback 4%, Duncan Hunter 4%, Mike Huckabee 1%, Ron Paul 1%, Undecided/Don't Know 26% |
| WIS-TV/Ayres McHenry (R) | May 5–8, 2007 | John McCain 25%, Rudy Giuliani 20%, Fred Thompson 16%, Newt Gingrich 12%, Mitt Romney 8%, Mike Huckabee 2%, Sam Brownback 1%, Jim Gilmore 1%, Chuck Hagel 1%, Duncan Hunter 1%, Tom Tancredo 1%, Tommy Thompson 1%, Undecided 13% |
| American Research Group | April 27–30, 2007 | John McCain 36%, Rudy Giuliani 23%, Fred Thompson 10%, Mitt Romney 6%, Newt Gingrich 6%, Mike Huckabee 2%, Sam Browback 1%, Jim Gilmore 1%, Chuck Hagel 1%, Tom Tancredo 1%, Tommy Thompson 1%, Duncan Hunter -, George Pataki -, Ron Paul -, Undecided 12% |
| Hamilton Beattie (D)/Ayres McHenry (R) | April 14–19, 2007 | John McCain 24%, Rudy Giuliani 15%, Newt Gingrich 12%, Fred Thompson 11%, Mitt Romney 10%, Sam Brownback 2%, Jim Gilmore 1%, Chuck Hagel 1%, Duncan Hunter 1%, Tom Tancredo 1%, Tommy Thompson <1%, Undecided 22% |
| NewsChannel 15-Zogby | April 16–17, 2007 | John McCain 22%, Rudy Giuliani 19%, Fred Thompson 11%, Mitt Romney 10%, Mark Sanford 8% |
| Insider Advantage/Majority Opinion | April 9–10, 2007 | Rudy Giuliani 18%, John McCain 17%, Newt Gingrich 16%, Mitt Romney 14%, Fred Thompson 9%, Jim Gilmore 4%, Sam Brownback 3%, Mike Huckabee 2%, Duncan Hunter 1%, Ron Paul 1%, Undecided/Don't Know 15% |
| Fox News/Opinion Dynamics | April 1–3, 2007 | Rudy Giuliani 26%, John McCain 25%, Mitt Romney 14%, Newt Gingrich (vol) 5%, Brownback 2%, Fred Thompson (vol) 2%, T. Thompson 2%, Gilmore 1%, Hunter 1%, Paul 1%, Tancredo 1%, Chuck Hagel (vol) -, Other 1%, Don't Know 16% |
| Elon University | Feb 18–22, 2007 | John McCain 38.1%, Rudy Giuliani 14.3%, Mitt Romney 4.8%, Newt Gingrich 4.8%, Undecided 38.1% |
| Whit Ayres | January 24–28, 2007 | John McCain 29%, Rudy Giuliani 20%, Newt Gingrich 14%, Mitt Romney 6%, Sam Brownback 2%, Mike Huckabee 2%, Duncan Hunter 2%, Tom Tancredo 1%, Undecided 23% |
| American Research Group | Dec 21–23, 2006 | John McCain 35%, Rudy Giuliani 28%, Newt Gingrich 15%, Mitt Romney 5%, Mike Huckabee 1%, Undecided 16% |

### Tennessee

Tennessee Winner: Mike Huckabee Primary Date: February 5, 2008
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 550,502 | February 5, 2008 | Mike Huckabee 34.1%, John McCain 31.5%, Mitt Romney 24.3%, Ron Paul 5.6%, Fred Thompson 2.9%, Rudy Giuliani 0.9%, Uncommitted 0.3%, Duncan Hunter 0.1%, Others 0.2% |
| InsiderAdvantage Sampling Size: 474 | February 2, 2008 | John McCain 31.9%, Mike Huckabee 29.5%, Mitt Romney 22.1%, Ron Paul 6%, Other 3%, Undecided 7.4% |
| Rasmussen Reports Sampling Size: 531 Margin of Error: ±4.5% | January 30, 2008 | John McCain 32%, Mitt Romney 29%, Mike Huckabee 23%, Ron Paul 8%, Other 5% |
| InsiderAdvantage Sampling Size: 375 | January 30, 2008 | John McCain 33%, Mike Huckabee 25%, Mitt Romney 18%, Ron Paul 9%, Other 2%, Undecided 13% |
| WSMV-TV/Crawford, Johnson and Northcott Sampling Size: 409 Margin of Error: ±5% | January 28–29, 2008 | Mike Huckabee 24%, John McCain 23%, Mitt Romney 18%, Ron Paul 4%, Rudy Giuliani 3%, Other 2%, Undecided 26% |
| WSMV/Crawford, Johnson and Northcott Sampling Size: 500 Margin of Error: ±5% | January 19–21, 2008 | Fred Thompson 25%, Mike Huckabee 24%, John McCain 12%, Mitt Romney 7%, Rudy Giuliani 2%, Ron Paul 2%, Undecided 26% |
| InsiderAdvantage | Mar 31 – Apr 1, 2007 | Fred Thompson 45%, Rudy Giuliani 15%, Newt Gingrich 11%, John McCain 10%, Undisclosed Remaining Percent 19% |

### Texas

Texas Winner: John McCain Primary Date: March 4, 2008 See also
| Poll Source | Date | Highlights |
| Survey USA Sampling Size: 505 Margin of Error: ± 4.5% | February 16–18, 2008 | John McCain 50%, Mike Huckabee 37%, Ron Paul 7%, Other 4%, Undecided 2% |
| CNN Sampling Size: 553 Margin of Error: ± 4% | February 15–17, 2008 | John McCain 55%, Mike Huckabee 32%, Ron Paul 11%, Undecided 2% |
| Rasmussen Reports Sampling Size: 796 Margin of Error: ± 4% | February 14, 2008 | John McCain 45%, Mike Huckabee 37%, Ron Paul 7%, Undecided 11% |
| American Research Group Sampling Size: 600 Margin of Error: ± 4% | February 13–14, 2008 | John McCain 42%, Mike Huckabee 36%, Ron Paul 11%, Other 2%, Undecided 9% |
| Texas Credit Union League/Public Opinion Strategies Sampling Size: 400 Margin of Error: ± 4.9% | February 11–13, 2008 | John McCain 45%, Mike Huckabee 41%, Ron Paul 6%, Undecided/Other 8% |
| IVR Polls Sampling Size: 510 Margin of Error: ± 4.3% | February 7, 2008 | John McCain 43%, Mike Huckabee 33%, Ron Paul 9%, Alan Keyes 3%, Undecided 13% |
| IVR Polls Margin of Error: +/- 3.5% Sampling Size: 734 | January 30–31, 2008 | Mitt Romney 30%, John McCain 29%, Mike Huckabee 20%, Ron Paul 8%, Alan Keyes 3%, Undecided 10% |
| IVR Polls Margin of Error: +/- 3.6% Sampling Size: 735 | January 10, 2008 | Mike Huckabee 26%, John McCain 24%, Fred Thompson 12%, Mitt Romney 11%, Rudy Giuliani 10%, Ron Paul 4%, Duncan Hunter 3%, Alan Keyes 0%, Undecided 8% – Past GOP Primary voters |
| IVR Polls Margin of Error: +/- 4.2% Sampling Size: 535 | December 12, 2007 | Mike Huckabee 29%, Rudy Giuliani 16%, Fred Thompson 14%, Mitt Romney 14%, John McCain 7%, Ron Paul 6%, Tom Tancredo 3%, Duncan Hunter 2%, Alan Keyes 0%, Undecided 9% – Past GOP Primary voters |
| IVR Polls Margin of Error: +/- 4.4% Sampling Size: 500 | November 15, 2007 | Rudy Giuliani 23%, Mike Huckabee 16%, Fred Thompson 16%, Mitt Romney 12%, John McCain 9%, Ron Paul 5%, Tom Tancredo 3%, Duncan Hunter 3%, Alan Keyes 1%, Undecided 11% – Past GOP Primary voters |
| IVR Polls Margin of Error: +/- 4.3% Sampling Size: 532 | October 18, 2007 | Rudy Giuliani 24%, Fred Thompson 19%, Mike Huckabee 14%, Mitt Romney 14%, Tom Tancredo 7%, John McCain 6%, Ron Paul 6%, Duncan Hunter 4%, Alan Keyes 0%, Undecided 6% – Past GOP Primary voters |
| IVR Polls Margin of Error: +/- 4.1% Sampling Size: 570 | August 29, 2007 | Fred Thompson 25%, Rudy Giuliani 21%, Mitt Romney 15%, Mike Huckabee 13%, John McCain 8%, Ron Paul 5%, Other 8%, Undecided 5% – Past GOP Primary voters |
| IVR Polls Margin of Error: +/- 3.6% Sampling Size: 736 | June 19, 2007 | Fred Thompson 29%, Rudy Giuliani 21%, John McCain 13%, Mitt Romney 9%, Ron Paul 6%, Mike Huckabee 4%, Other 6%, Undecided 11% – Past GOP Primary voters |
| Texas Lyceum | April 26 – May 7, 2007 | John McCain 27%, Rudy Giuliani 23%, Fred Thompson 11%, Newt Gingrich 6%, Mitt Romney 6%, Sam Brownback 3%, Tommy Thompson 1%, Hunter 1%, Paul 0%, Other 2%, Don't Know 20% |
| Baselice & Associates | April 16–19, 2007 | Rudy Giuliani 24%, John McCain 19%, Fred Thompson 19%, Newt Gingrich 12%, Mitt Romney 8% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (522 R, 78 I) | March 16–19, 2007 | Rudy Giuliani 30%, John McCain 20%, Mitt Romney 13%, Fred Thompson 12%, Newt Gingrich 11%, Mike Huckabee 2%, Chuck Hagel 1%, Tom Tancredo 1%, Sam Brownback 0%, George Pataki 0%, Jim Gilmore 0%, Duncan Hunter 0%, Tommy Thompson 0%, Ron Paul 0%, Undecided 11% |
| Baselice & Associates | January 17–21, 2007 | Rudy Giuliani 28%, John McCain 26%, Newt Gingrich 17%, Mitt Romney 6%, Sam Brownback 2%, Mike Huckabee 2%, George Pataki 1%, Chuck Hagel 1%, Undecided 18% |

### Utah

Utah Winner: Mitt Romney Primary Date: February 5, 2008 See also
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 284,790 | February 5, 2008 | Mitt Romney 89.6%, John McCain 5.4%, Ron Paul 2.9%, Mike Huckabee 1.4%, Rudy Giuliani 0.3%, Fred Thompson 0.2%, Duncan Hunter 0.1%, Others 0.1% |
| Deseret Morning News/KSL-TV Margin of Error: ±6.5% | February 1, 2008 | Mitt Romney 84%, John McCain 4%, Other/Undecided 12% |
| Deseret Morning News/KSL-TV | October 6, 2007 | Mitt Romney 65%, Rudy Giuliani 8%, John McCain 6%, Fred Thompson 3%, Mike Huckabee 2%, Ron Paul 1%, Undecided 13% |
| American Research Group | Feb 8–13, 2007 | Mitt Romney 40%, John McCain 21%, Rudy Giuliani 13%, Chuck Hagel 3%, Tommy Thompson 2%, Sam Brownback 1%, Duncan Hunter 1%, Undecided 32% |

### Vermont

Vermont Winner: John McCain Primary Date: March 4, 2008 See also
| Poll Source | Date | Highlights |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (353 R, 247 I) | Feb 2–6, 2007 | John McCain 30%, Rudy Giuliani 29%, Newt Gingrich 9%, Mitt Romney 7%, Sam Brownback 1%, Chuck Hagel 1%, George Pataki 1%, Tom Tancredo 1%, Undecided 22% |

### Virginia

Virginia Winner: John McCain Primary Date: February 12, 2008
| Poll Source | Date | Highlights |
| Primary results Sampling Size: 484,392 | February 12, 2008 | John McCain 50%, Mike Huckabee 40.8%, Ron Paul 4.5%, Mitt Romney 3.5%, Fred Thompson 0.7%, Rudy Giuliani 0.4% |
| Survey USA Sampling Size: 385 Margin of Error: ± 5.1% | February 9–10, 2008 | John McCain 48%, Mike Huckabee 37%, Ron Paul 7%, Other 6%, Undecided 2% |
| American Research Group Sampling Size: 600 Margin of Error: ± 4% | February 8–9, 2008 | John McCain 54%, Mike Huckabee 32%, Ron Paul 5%, Other 4%, Undecided 5% |
| Richmond Times-Dispatch/Mason Dixon Sampling Size: 400 Margin of Error: ± 5% | February 7–8, 2008 | John McCain 55%, Mike Huckabee 27%, Ron Paul 5%, Other/Undecided 13% |
| Survey USA Sampling Size: 382 Margin of Error: ± 5.1% | February 7–8, 2008 | John McCain 57%, Mike Huckabee 25%, Ron Paul 9%, Other 7%, Undecided 3% |
| Washington Post | Oct 4–8, 2007 | Rudy Giuliani 34%, John McCain 20%, Fred Thompson 19%, Mitt Romney 9%, Mike Huckabee 2%, Duncan Hunter 2%, Ron Paul 2%, Sam Brownback 1%, Tom Tancredo 1% |
| Elon University | Feb 18–22, 2007 | John McCain 25%, Rudy Giuliani 6%, Mitt Romney 3%, Bill Frist 3% |

### Washington

Washington Winner: John McCain Caucus Date: February 9, 2008 See also
| Poll Source | Date | Highlights |
| Strategic Vision (note) | Oct 5–7, 2007 | Rudy Giuliani 37%, Fred Thompson 20%, Mitt Romney 11%, John McCain 10%, Mike Huckabee 4%, Ron Paul 4%, Tom Tancredo 2%, Sam Brownback 1%, Duncan Hunter 1%, Undecided 10% |
| Strategic Vision (note) | November 2–4, 2006 | Rudy Giuliani 42%, John McCain 23%, Mitt Romney 7%, Newt Gingrich 6%, Bill Frist 2%, George Allen 1%, Rick Santorum 1%, George Pataki 1%, Chuck Hagel 1%, Undecided 16% |

### West Virginia

West Virginia Winner: Mike Huckabee Caucus Date: February 5, 2008 Primary Date: May 13, 2008 See also
| Poll Source | Date | Highlights |
| Caucus results | February 5, 2008 | Mike Huckabee 51.5%, Mitt Romney 47.4, John McCain 1.1% |
| American Research Group Margin of Error: +/- 4% Sample Size: 600 (527 R, 73 No Party) | March 29 – April 2, 2007 | John McCain 33%, Rudy Giuliani 29%, Mitt Romney 8%, Newt Gingrich 6%, Fred Thompson 6%, Sam Brownback 0%, Jim Gilmore 0%, Chuck Hagel 0%, Mike Huckabee 0%, Duncan Hunter 0%, George Pataki 0%, Ron Paul 0%, Tommy Thompson 0%, Tom Tancredo 0%, Undecided 18% |

### Wisconsin

Wisconsin Winner: John McCain Primary Date: February 19, 2008 See also
| Poll Source | Date | Highlights |
| American Research Group Sample Size: 600 Margin of Error: ± 4% | February 17–18, 2008 | John McCain 51%, Mike Huckabee 43%, Ron Paul 3%, Other 1%, Undecided 2% |
| Public Policy Polling Sample Size: 654 Margin of Error: ± 3.8% | February 16–17, 2008 | John McCain 50%, Mike Huckabee 39%, Ron Paul 6%, Undecided 5% |
| American Research Group Sample Size: 600 Margin of Error: ± 4% | February 15–16, 2008 | John McCain 46%, Mike Huckabee 42%, Ron Paul 4%, Other 1%, Undecided 7% |
| Research 2000/WISC-TV Madison Sample Size: 400 Margin of Error: ± 5% | February 13–14, 2008 | John McCain 48%, Mike Huckabee 32%, Ron Paul 7%, Undecided 13% |
| Rasmussen Reports Sample Size: 526 Margin of Error: ± 4% | February 13, 2008 | John McCain 51%, Mike Huckabee 30%, Ron Paul 7%, Undecided 12% |
| Public Policy Polling Sample Size: 700 Margin of Error: ± 3.7% | February 11, 2008 | John McCain 53%, Mike Huckabee 32%, Ron Paul 7%, Undecided 9% |
| Strategic Vision (note) Sample Size: 800 Margin of Error: ± 3% | February 8–10, 2008 | John McCain 45%, Mike Huckabee 27%, Ron Paul 7%, Undecided 21% |
| American Research Group Sample Size: 600 Margin of Error: ± 4% | February 6–7, 2008 | John McCain 51%, Mitt Romney 29%, Ron Paul 7%, Mike Huckabee 4%, Other 1%, Undecided 8% |
| Strategic Vision (note) Margin of Error: +/- 3% Sample Size: 800 | December 7–9, 2007 | Rudy Giuliani 26%, Mike Huckabee 20%, Fred Thompson 12%, Mitt Romney 11%, John McCain 10%, Ron Paul 5%, Tom Tancredo 2%, Duncan Hunter 1%, Undecided 13% |
| Strategic Vision (note) Margin of Error: +/- 3% Sample Size: 800 Likely Voters Only Republicans votes were counted. | September 14–16, 2007 | Rudy Giuliani 28%, Fred Thompson 24%, John McCain 8%, Mitt Romney 7%, Newt Gingrich 6%, Ron Paul 3%, Mike Huckabee 3%, Tom Tancredo 2%, Sam Brownback 1%, Hunter 1%, Undecided 17% |
| Strategic Vision (R) | May 4–6, 2007 | Rudy Giuliani 22%, Tommy Thompson 16%, John McCain 16%, Fred Thompson 10%, Newt Gingrich 8%, Mitt Romney 5%, Sam Brownback 2%, Tom Tancredo 2%, Ron Paul 2%, Mike Huckabee 1%, Chuck Hagel 1%, Jim Gilmore 1%, Hunter 1%, Undecided 13% |
| Strategic Vision (R) | November 2–4, 2006 | Rudy Giuliani 35%, Tommy Thompson 26%, John McCain 17%, Mitt Romney 3%, Newt Gingrich 3%, Bill Frist 1%, Rick Santorum 1%, George Pataki 1%, George Allen 1%, Chuck Hagel 1%, Undecided 11% |

### Wyoming

Wyoming Winner: Mitt Romney Caucus Date: January 5, 2008
| Poll Source | Date | Highlights |
| Caucus results | January 5, 2008 | Mitt Romney 67%, Fred Thompson 25%, Duncan Hunter 8% |