Primary Polls
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Alabama | Capital Survey | Nov. 27 | 46% | 25% | 6% | 20% | 9% | 5% | 22% | 17% |
| Alabama | Capital Survey | Oct. 25 | 40% | 21% | 14% | 24% | 12% | 7% | 26% | |
| Alabama | ARG | Aug. 2 | 38% | 19% | 17% | 26% | 16% | 3% | 31% | |
| Alabama | Capital Survey | July 19 | 33% | 29% | 9% | 20% | 11% | 5% | 34% | |
| Alabama | Capital Survey | May 1 | 37% | 21% | 9% | 29% | 23% | 7% | ||
| Alabama | U. of South Alabama | Apr. 19 | 33% | 25% | 12% | 28% | 23% | 3% | ||
| Alabama | Capital Survey | Mar. 6 | 35% | 19% | 9% | 28% | 23% | 3% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Arizona | Rocky Mtn Poll | Nov. 15 | 44% | 14% | 20% | 18% | 11% | 10% | 3% | |
| Arizona | ARG | Oct. 9 | 41% | 14% | 16% | 19% | 26% | 18% | 15% | |
| Arizona | ARG | July 26 | 39% | 25% | 8% | 23% | 32% | 7% | 15% | |
| Arizona | Rocky Mtn Poll | May 29 | 26% | 22% | 7% | 20% | 35% | 7% | ||
| Arizona | Arizona State U. | Apr. 22 | 25% | 20% | 18% | 27% | 32% | 11% | ||
| Arizona | Rocky Mtn Poll | Mar. 21 | 27% | 20% | 9% | 25% | 34% | 11% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Arkansas | ARG | Mar. 19 | 49% | 16% | 12% | 12% | 21% | 4% | 40% | |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| California | Field Poll | Dec. 17 | 36% | 22% | 13% | 25% | 12% | 15% | 6% | 17% |
| California | SurveyUSA | Dec. 16 | 49% | 30% | 14% | 28% | 14% | 16% | 13% | 20% |
| California | Public Policy Inst. | Dec. 4 | 44% | 20% | 12% | 24% | 11% | 15% | 10% | 12% |
| California | SurveyUSA | Dec. 2 | 50% | 24% | 16% | 32% | 18% | 14% | 13% | 14% |
| California | Field Poll | Oct. 21 | 45% | 20% | 11% | 25% | 12% | 13% | 12% | |
| California | San Jose State U. | Oct. 8 | 42% | 20% | 14% | 34% | 17% | 11% | 7% | |
| California | Field Poll | Sep. 11 | 41% | 23% | 14% | 22% | 15% | 16% | 16% | |
| California | Field Poll | Aug. 12 | 35% | 22% | 16% | 35% | 9% | 14% | 13% | 4% |
| California | ARG | Aug. 2 | 35% | 22% | 16% | 30% | 7% | 18% | 18% | |
| California | Public Policy Inst. | June 19 | 41% | 25% | 12% | 31% | 16% | 13% | 13% | |
| California | ARG | May 8 | 37% | 28% | 15% | 27% | 24% | 11% | ||
| California | Field Poll | Mar. 31 | 41% | 28% | 13% | 36% | 24% | 7% | ||
| California | SurveyUSA | Mar. 6 | 44% | 31% | 10% | 41% | 23% | 8% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Colorado | ARG | Sep. 18 | 36% | 20% | 19% | 20% | 12% | 8% | 25% | 2% |
| Colorado | ARG | July 18 | 39% | 22% | 10% | 35% | 11% | 9% | 20% | |
| Colorado | ARG | Apr. 2 | 34% | 23% | 17% | 25% | 23% | 9% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Connecticut | Quinnipiac | Nov. 5 | 45% | 19% | 7% | 41% | 12% | 13% | 7% | 4% |
| Connecticut | Quinnipiac U. | Oct. 15 | 43% | 16% | 8% | 42% | 14% | 9% | 10% | 2% |
| Connecticut | Quinnipiac U. | May 7 | 28% | 20% | 8% | 36% | 15% | 9% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Florida | Quinnipiac U. | Dec. 18 | 43% | 21% | 19% | 28% | 13% | 20% | 8% | 21% |
| Florida | SurveyUSA | Dec. 16 | 29% | 10% | 20% | 8% | 24% | |||
| Florida | Rasmussen | Dec. 13 | 45% | 17% | 14% | 19% | 6% | 23% | 9% | 27% |
| Florida | Datamar | Dec. 13 | 44% | 20% | 14% | 21% | 10% | 19% | 10% | 25% |
| Florida | SurveyUSA | Dec. 4 | 54% | 24% | 13% | 32% | 11% | 15% | 14% | 18% |
| Florida | Quinnipiac U. | Dec. 3 | 53% | 17% | 7% | 30% | 9% | 12% | 10% | 11% |
| Florida | Opinion Research | Nov. 26 | 51% | 21% | 11% | 38% | 11% | 17% | 11% | 9% |
| Florida | Mason-Dixon | Nov. 14 | 42% | 15% | 12% | 36% | 10% | 15% | 12% | 8% |
| Florida | Schroth Eldon | Nov. 7 | 48% | 24% | 8% | 36% | 12% | 19% | 8% | 9% |
| Florida | SurveyUSA | Nov. 5 | 56% | 19% | 14% | 34% | 10% | 17% | 22% | 8% |
| Florida | Quinnipiac U. | Oct. 22 | 43% | 18% | 12% | 27% | 8% | 17% | 19% | 8% |
| Florida | Insider Advantage | Oct. 19 | 53% | 19% | 9% | 33% | 9% | 17% | 13% | |
| Florida | Mason-Dixon | Sep. 18 | 47% | 19% | 9% | 24% | 9% | 13% | 23% | |
| Florida | Quinnipiac U. | Sep. 9 | 42% | 13% | 9% | 28% | 10% | 11% | 17% | |
| Florida | Quinnipiac U. | Aug. 6 | 43% | 13% | 8% | 26% | 11% | 9% | 19% | |
| Florida | Mason-Dixon | July 26 | 31% | 17% | 12% | 21% | 11% | 7% | 18% | |
| Florida | Quinnipiac U. | July 16 | 36% | 14% | 9% | 30% | 10% | 9% | 18% | |
| Florida | ARG | July 15 | 45% | 25% | 9% | 33% | 7% | 12% | 27% | |
| Florida | Quinnipiac U. | June 25 | 43% | 16% | 11% | 29% | 13% | 9% | 29% | |
| Florida | Zogby | June 6 | 36% | 16% | 11% | 31% | 12% | 12% | 10% | |
| Florida | Schroth/Polling Co. | May 9 | 42% | 19% | 12% | 29% | 15% | 14% | ||
| Florida | ARG | May 8 | 45% | 17% | 15% | 31% | 18% | 11% | ||
| Florida | Quinnipiac U. | Apr. 24 | 36% | 13% | 11% | 38% | 15% | 7% | ||
| Florida | U. of North Florida | Apr. 13 | 35% | 20% | 9% | 31% | 14% | 6% | ||
| Florida | Quinnipiac U. | Mar. 27 | 36% | 13% | 11% | 35% | 15% | 5% | ||
| Florida | Quinnipiac U. | Mar. 4 | 38% | 13% | 6% | 38% | 18% | 6% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Georgia | ARG | Aug. 6 | 35% | 25% | 17% | 20% | 7% | 14% | 27% | 3% |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Idaho | Greg Smith | July 13 | 31% | 33% | 15% | 20% | 14% | 38% | 18% | |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Illinois | Market Shares | Dec. 13 | 25% | 50% | 7% | 23% | 12% | 14% | 11% | 21% |
| Illinois | ARG | July 9 | 33% | 37% | 10% | 30% | 12% | 11% | 21% | 2% |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Iowa | Insider Advantage | Jan. 2 | 32% | 34% | 33% | 5% | 11% | 24% | 11% | 30% |
| Iowa | ARG | Jan. 2 | 34% | 25% | 21% | 8% | 11% | 24% | 13% | 29% |
| Iowa | Zogby | Jan. 2 | 24% | 31% | 27% | 6% | 10% | 25% | 11% | 31% |
| Iowa | Zogby | Dec. 31 | 30% | 26% | 25% | 8% | 12% | 25% | 10% | 29% |
| Iowa | Selzer | Dec. 30 | 25% | 32% | 24% | 5% | 13% | 26% | 9% | 32% |
| Iowa | Opinion Research | Dec. 30 | 33% | 31% | 22% | 8% | 10% | 31% | 13% | 28% |
| Iowa | Mason-Dixon | Dec. 28 | 23% | 22% | 24% | 5% | 13% | 27% | 14% | 23% |
| Iowa | ARG | Dec. 28 | 31% | 24% | 24% | 6% | 11% | 32% | 7% | 23% |
| Iowa | Research 2000 | Dec. 27 | 28% | 29% | 29% | 8% | 8% | 27% | 11% | 34% |
| Iowa | LA Times | Dec. 26 | 29% | 26% | 25% | 6% | 11% | 23% | 11% | 37% |
| Iowa | ARG | Dec. 23 | 34% | 19% | 20% | 14% | 17% | 21% | 3% | 23% |
| Iowa | Opinion Research | Dec. 18 | 30% | 28% | 26% | 11% | 9% | 25% | 9% | 33% |
| Iowa | Rasmussen | Dec. 17 | 31% | 27% | 22% | 8% | 14% | 27% | 8% | 28% |
| Iowa | Insider Advantage | Dec. 17 | 24% | 27% | 26% | 5% | 7% | 28% | 11% | 25% |
| Iowa | Washington Post | Dec. 17 | 29% | 33% | 20% | |||||
| Iowa | Research 2000 | Dec. 13 | 24% | 33% | 24% | 9% | 7% | 22% | 9% | 31% |
| Iowa | Financial Dynamics | Dec. 12 | 27% | 27% | 22% | 12% | 5% | 23% | 8% | 36% |
| Iowa | Rasmussen | Dec. 10 | 29% | 26% | 22% | 8% | 6% | 23% | 8% | 39% |
| Iowa | Mason-Dixon | Dec. 6 | 27% | 25% | 21% | 5% | 7% | 20% | 11% | 32% |
| Iowa | Princeton Survey | Dec. 6 | 29% | 35% | 18% | 9% | 6% | 17% | 10% | 39% |
| Iowa | Zogby | Dec. 1 | 27% | 24% | 21% | 12% | 5% | 26% | 8% | 25% |
| Iowa | ARG | Nov. 29 | 25% | 27% | 23% | 9% | 9% | 28% | 14% | 27% |
| Iowa | Selzer | Nov. 28 | 25% | 28% | 23% | 13% | 7% | 24% | 9% | 29% |
| Iowa | Rasmussen | Nov. 27 | 27% | 25% | 24% | 12% | 4% | 25% | 11% | 28% |
| Iowa | Princeton Survey | Nov. 25 | 31% | 26% | 19% | |||||
| Iowa | Washington Post | Nov. 18 | 26% | 30% | 22% | 13% | 6% | 28% | 15% | 24% |
| Iowa | Iowa State U. | Nov. 18 | 31% | 20% | 24% | 16% | 8% | 25% | 9% | 22% |
| Iowa | ARG | Nov. 14 | 27% | 21% | 20% | 11% | 10% | 26% | 11% | 24% |
| Iowa | Research 2000 | Nov. 14 | 27% | 25% | 21% | 16% | 6% | 27% | 10% | 18% |
| Iowa | NY Times | Nov. 11 | 25% | 22% | 23% | 17% | 13% | 15% | 13% | 17% |
| Iowa | Zogby | Nov. 7 | 28% | 25% | 21% | 14% | 6% | 33% | 12% | 8% |
| Iowa | ARG | Oct. 29 | 32% | 22% | 15% | 16% | 14% | 27% | 8% | |
| Iowa | U. of Iowa | Oct. 24 | 29% | 27% | 20% | 13% | 6% | 36% | 11% | |
| Iowa | Rasmussen | Oct. 14 | 33% | 21% | 22% | 13% | 6% | 25% | 19% | |
| Iowa | Selzer | Oct. 3 | 29% | 22% | 23% | 11% | 7% | 29% | 18% | |
| Iowa | Princeton Survey | Sep. 27 | 31% | 25% | 21% | 15% | 7% | 25% | 16% | |
| Iowa | LA Times | Sep. 10 | 28% | 19% | 23% | 16% | 7% | 28% | 16% | |
| Iowa | ARG | Aug. 29 | 28% | 23% | 20% | 17% | 5% | 27% | 13% | |
| Iowa | Zogby | Aug. 18 | 30% | 19% | 23% | 14% | 6% | 33% | 12% | |
| Iowa | U. of Iowa | Aug. 5 | 25% | 19% | 26% | 11% | 3% | 28% | 8% | |
| Iowa | Selzer | July 31 | 26% | 26% | 27% | 14% | 26% | 8% | 13% | |
| Iowa | ARG | July 30 | 30% | 15% | 21% | 22% | 17% | 21% | 13% | |
| Iowa | Research 2000 | July 25 | 22% | 16% | 27% | 13% | 10% | 25% | 14% | |
| Iowa | ARG | June 30 | 32% | 13% | 29% | 18% | 13% | 25% | 14% | |
| Iowa | Mason-Dixon | June 16 | 22% | 18% | 21% | 15% | 6% | 25% | 17% | |
| Iowa | Selzer | May 16 | 21% | 23% | 29% | 17% | 18% | 30% | ||
| Iowa | Research 2000 | May 15 | 28% | 22% | 26% | 17% | 18% | 16% | ||
| Iowa | Zogby | May 15 | 24% | 22% | 26% | 16% | 18% | 17% | ||
| Iowa | ARG | Apr. 30 | 23% | 19% | 27% | 19% | 26% | 14% | ||
| Iowa | U. of Iowa | Mar. 31 | 28% | 19% | 34% | 21% | 20% | 17% | ||
| Iowa | Zogby | Mar. 26 | 25% | 23% | 27% | 25% | 19% | 11% | ||
| Iowa | ARG | Mar. 23 | 34% | 16% | 33% | 29% | 29% | 10% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Kansas | Research 2000 | May 23 | 27% | 22% | 21% | 13% | 13% | 17% | 7% | 1% |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Maine | Critical Insights | Oct. 30 | 46% | 10% | 5% | 11% | 7% | 15% | 9% | |
| Maine | Critical Insights | Apr. 27 | 39% | 22% | 16% | 24% | 21% | 12% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Maryland | Washington Post | Oct. 22 | 48% | 29% | 8% | 39% | 18% | 10% | 14% | 2% |
| Maryland | OpinionWorks | Aug. 26 | 32% | 19% | 10% | 32% | 13% | 8% | 12% | |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Massachusetts | Suffolk U. | Apr. 15 | 32% | 18% | 19% | |||||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Michigan | EPIC/MRA | Dec. 19 | 12% | 10% | 21% | 4% | 19% | |||
| Michigan | EPIC/MRA | Nov. 13 | 49% | 18% | 15% | 28% | 12% | 25% | 13% | 9% |
| Michigan | ARG | Sep. 4 | 43% | 21% | 14% | 13% | 9% | 39% | 12% | 4% |
| Michigan | EPIC/MRA | Aug. 31 | 40% | 21% | 16% | 23% | 15% | 25% | 16% | |
| Michigan | EPIC/MRA | Aug. 13 | 45% | 26% | 16% | 19% | 16% | 12% | 22% | |
| Michigan | EPIC/MRA | June 13 | 38% | 25% | 14% | 19% | 22% | 24% | 8% | |
| Michigan | ARG | May 7 | 38% | 25% | 14% | 19% | 22% | 24% | ||
| Michigan | EPIC/MRA | Mar. 18 | 45% | 29% | 16% | 26% | 30% | 21% | ||
| Michigan | ARG | Mar. 4 | 35% | 30% | 14% | 30% | 35% | |||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Minnesota | Princeton Survey | Sep. 23 | 47% | 22% | 16% | 27% | 22% | 5% | 16% | 2% |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Missouri | Research 2000 | Nov. 15 | 36% | 21% | 20% | 24% | 14% | 17% | 16% | 12% |
| Missouri | ARG | Aug. 6 | 40% | 15% | 22% | 23% | 14% | 11% | 22% | |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Montana | Mason-Dixon | Dec. 19 | 29% | 17% | 19% | 15% | 5% | 13% | 12% | 16% |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Nevada | ARG | Dec. 6 | 45% | 18% | 14% | 17% | 7% | 29% | 5% | 23% |
| Nevada | Mason-Dixon | Dec. 5 | 34% | 26% | 9% | 25% | 7% | 20% | 9% | 17% |
| Nevada | Research 2000 | Nov. 19 | 45% | 20% | 12% | 29% | 8% | 22% | 15% | 6% |
| Nevada | Opinion Research | Nov. 13 | 51% | 23% | 11% | 28% | 8% | 20% | 13% | 5% |
| Nevada | Zogby | Nov. 10 | 37% | 19% | 15% | 28% | 8% | 20% | 13% | 5% |
| Nevada | Mason-Dixon | Oct. 11 | 39% | 21% | 9% | 28% | 8% | 18% | 23% | |
| Nevada | Research 2000 | Aug. 16 | 33% | 19% | 15% | 18% | 8% | 28% | 18% | |
| Nevada | Mason-Dixon | June 22 | 39% | 17% | 12% | 17% | 8% | 20% | 25% | |
| Nevada | ARG | June 19 | 40% | 16% | 16% | 21% | 16% | 23% | 16% | |
| Nevada | Mason-Dixon | May 1 | 37% | 12% | 13% | 12% | 19% | 15% | ||
| Nevada | Zogby | Apr. 12 | 35% | 21% | 15% | 37% | 15% | 15% | ||
| Nevada | Research 2000 | Mar. 8 | 32% | 20% | 11% | 38% | 18% | 4% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| New Hampshire | Suffolk U. | Jan. 3 | 37% | 25% | 15% | 9% | 25% | 29% | 2% | 13% |
| New Hampshire | Zogby | Jan. 3 | 32% | 26% | 20% | 9% | 34% | 30% | 2% | 10% |
| New Hampshire | Suffolk U. | Jan. 2 | 39% | 23% | 17% | 9% | 28% | 25% | 2% | 12% |
| New Hampshire | ARG | Jan. 1 | 35% | 31% | 15% | 8% | 35% | 25% | 1% | 12% |
| New Hampshire | Suffolk U. | Jan. 1 | 37% | 20% | 16% | 9% | 29% | 25% | 2% | 10% |
| New Hampshire | Suffolk U. | Dec. 31 | 31% | 22% | 14% | 14% | 31% | 25% | 2% | 9% |
| New Hampshire | Franklin Pierce Coll. | Dec. 31 | 32% | 28% | 19% | 10% | 37% | 31% | 2% | 5% |
| New Hampshire | LA Times | Dec. 26 | 30% | 32% | 18% | 14% | 21% | 34% | 4% | 9% |
| New Hampshire | U. of New Hampshire | Dec. 20 | 28% | 30% | 14% | 14% | 25% | 28% | 3% | 10% |
| New Hampshire | Rasmussen | Dec. 19 | 31% | 28% | 18% | 18% | 13% | 27% | 3% | 11% |
| New Hampshire | Gallup | Dec. 19 | 32% | 32% | 18% | 11% | 27% | 34% | 4% | 9% |
| New Hampshire | ARG | Dec. 19 | 38% | 24% | 15% | 16% | 26% | 26% | 4% | 11% |
| New Hampshire | U. of New Hampshire | Dec. 17 | 38% | 26% | 14% | 16% | 22% | 34% | 1% | 10% |
| New Hampshire | Opinion Dynamics | Dec. 13 | 34% | 25% | 15% | 16% | 20% | 33% | 2% | 11% |
| New Hampshire | Research 2000 | Dec. 12 | 31% | 32% | 18% | 18% | 17% | 31% | 3% | 9% |
| New Hampshire | Rasmussen | Dec. 11 | 28% | 31% | 17% | 17% | 19% | 31% | 4% | 10% |
| New Hampshire | Suffolk U. | Dec. 10 | 33% | 26% | 15% | 17% | 19% | 31% | 4% | 10% |
| New Hampshire | U. of New Hampshire | Dec. 10 | 31% | 30% | 16% | 19% | 19% | 32% | 1% | 9% |
| New Hampshire | Mason-Dixon | Dec. 6 | 30% | 27% | 10% | 17% | 16% | 25% | 6% | 11% |
| New Hampshire | Zogby | Dec. 3 | 32% | 21% | 16% | 15% | 17% | 35% | 3% | 10% |
| New Hampshire | Washington Post | Dec. 3 | 35% | 29% | 17% | 16% | 20% | 37% | 4% | 9% |
| New Hampshire | Marist Coll. | Dec. 2 | 37% | 24% | 18% | 18% | 18% | 31% | 4% | 11% |
| New Hampshire | Opiinion Dynamics | Nov. 29 | 30% | 23% | 12% | 19% | 21% | 29% | 4% | 7% |
| New Hampshire | ARG | Nov. 29 | 34% | 23% | 17% | 22% | 11% | 36% | 3% | 13% |
| New Hampshire | Rasmussen | Nov. 29 | 33% | 26% | 15% | 15% | 15% | 34% | 3% | 14% |
| New Hampshire | Suffolk U. | Nov. 27 | 34% | 22% | 15% | 20% | 13% | 34% | 2% | 7% |
| New Hampshire | Princeton Survey | Nov. 25 | 38% | 19% | 15% | 16% | 18% | 33% | 4% | 5% |
| New Hampshire | NY Times | Nov. 12 | 37% | 22% | 9% | 16% | 16% | 34% | 5% | 6% |
| New Hampshire | U. of New Hampshire | Nov. 7 | 35% | 21% | 15% | 20% | 17% | 32% | 3% | 5% |
| New Hampshire | Marist Coll. | Nov. 6 | 38% | 26% | 14% | 23% | 14% | 34% | 5% | 7% |
| New Hampshire | Rasmussen | Nov. 5 | 34% | 24% | 15% | 17% | 16% | 32% | 7% | 10% |
| New Hampshire | ARG | Oct. 29 | 40% | 22% | 10% | 23% | 17% | 30% | 5% | |
| New Hampshire | Saint Anselm Coll. | Oct. 21 | 43% | 22% | 14% | 22% | 15% | 32% | 5% | |
| New Hampshire | Marist Coll. | Oct. 9 | 43% | 21% | 12% | 21% | 17% | 27% | 10% | |
| New Hampshire | Zogby | Sep. 28 | 38% | 23% | 12% | 21% | 16% | 24% | 7% | |
| New Hampshire | U. of New Hampshire | Sep. 24 | 41% | 19% | 11% | 22% | 17% | 23% | 12% | |
| New Hampshire | Franklin Pierce Coll. | Sep. 14 | 36% | 18% | 12% | 23% | 14% | 30% | 8% | |
| New Hampshire | LA Times | Sep. 10 | 35% | 16% | 16% | 23% | 12% | 28% | 11% | |
| New Hampshire | ARG | Aug. 29 | 37% | 17% | 14% | 23% | 12% | 27% | 8% | |
| New Hampshire | Hart/McLaughlin | July 26 | 36% | 19% | 15% | 17% | 16% | 33% | 13% | |
| New Hampshire | U. of New Hampshire | July 17 | 36% | 27% | 9% | 20% | 12% | 34% | 13% | |
| New Hampshire | Research 2000 | July 11 | 33% | 25% | 15% | 21% | 18% | 28% | 11% | |
| New Hampshire | ARG | June 30 | 34% | 25% | 11% | 19% | 21% | 27% | 10% | |
| New Hampshire | Suffolk U. | June 24 | 37% | 19% | 9% | 22% | 13% | 26% | 13% | |
| New Hampshire | Mason-Dixon | June 7 | 26% | 21% | 18% | 15% | 16% | 27% | 12% | |
| New Hampshire | Franklin Pierce Coll. | June 6 | 41% | 17% | 15% | 18% | 17% | 27% | 9% | |
| New Hampshire | Zogby | May 16 | 28% | 26% | 15% | 19% | 19% | 35% | ||
| New Hampshire | ARG | Apr. 29 | 37% | 14% | 26% | 17% | 29% | 24% | ||
| New Hampshire | Zogby | Apr. 3 | 29% | 23% | 23% | 19% | 25% | 25% | ||
| New Hampshire | U. of New Hampshire | Apr. 3 | 27% | 20% | 21% | 29% | 29% | 17% | ||
| New Hampshire | ARG | Mar. 23 | 37% | 23% | 20% | 19% | 23% | 17% | ||
| New Hampshire | Franklin Pierce Coll. | Mar. 12 | 32% | 25% | 16% | 28% | 29% | 22% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| New Jersey | Quinnipiac U. | Dec. 9 | 51% | 17% | 7% | 38% | 12% | 7% | 4% | 8% |
| New Jersey | Rutgers-Eagleton | Oct. 23 | 52% | 21% | 8% | 54% | 12% | 6% | 6% | 3% |
| New Jersey | Quinnipiac U. | Oct. 15 | 46% | 20% | 9% | 48% | 12% | 7% | 12% | 1% |
| New Jersey | Rutgers/Eagleton | Aug. 7 | 45% | 21% | 16% | 61% | 10% | 5% | 8% | |
| New Jersey | Quinnipiac U. | July 2 | 46% | 19% | 8% | 48% | 12% | 7% | 10% | |
| New Jersey | Monmouth U. | Apr. 16 | 41% | 22% | 13% | 49% | 19% | 6% | ||
| New Jersey | Quinnipiac U. | Apr. 16 | 38% | 16% | 9% | 49% | 18% | 6% | ||
| New Jersey | Fairleigh Dickinson U. | Mar. 4 | 46% | 18% | 10% | 59% | 20% | 6% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| New Mexico | Rsearch and Polling | Sep. 6 | 17% | 8% | 8% | 38% | 20% | 7% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| New York | Quinnipiac U. | Dec. 10 | 55% | 17% | 7% | 34% | 11% | 5% | 7% | 12% |
| New York | Siena Coll. | Dec. 6 | 50% | 19% | 10% | 48% | 15% | 7% | 7% | 7% |
| New York | Blum+Weprin | Nov. 3 | 45% | 19% | 7% | 42% | 11% | 8% | 9% | 6% |
| New York | Quinnipiac U. | Oct. 15 | 49% | 12% | 11% | 45% | 9% | 7% | 12% | |
| New York | Siena Coll. | Sep. 16 | 42% | 17% | 11% | 47% | 16% | 6% | 9% | |
| New York | Siena Coll. | July 28 | 48% | 14% | 7% | 40% | 13% | 7% | 11% | |
| New York | Quinnipiac U. | June 17 | 44% | 14% | 6% | 46% | 8% | 3% | 14% | |
| New York | Siena Coll. | Apr. 20 | 39% | 17% | 11% | 47% | 16% | 8% | ||
| New York | Blum+Weprin | Apr. 7 | 49% | 17% | 11% | 56% | 15% | 5% | ||
| New York | ARG | Apr. 2 | 41% | 20% | 16% | 50% | 14% | 7% | ||
| New York | Quinnipiac U. | Apr. 2 | 44% | 14% | 9% | 52% | 13% | 6% | ||
| New York | Siena Coll. | Mar. 22 | 43% | 11% | 7% | 31% | 20% | 6% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| North Carolina | Public Policy Polling | Dec. 3 | 31% | 24% | 26% | |||||
| North Carolina | Elon U. | Sep. 27 | 37% | 18% | 18% | 21% | 12% | 8% | 28% | 2% |
| North Carolina | Elon U. | Apr. 19 | 20% | 20% | 26% | 32% | 22% | 10% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Ohio | Quinnipiac U. | Dec. 3 | 45% | 19% | 13% | 29% | 13% | 7% | 7% | 10% |
| Ohio | Quinnipiac U. | Nov. 11 | 42% | 17% | 14% | 27% | 14% | 11% | 13% | 7% |
| Ohio | Quinnipiac U. | Oct. 8 | 47% | 19% | 11% | 29% | 10% | 8% | 17% | 4% |
| Ohio | Quinnipiac U. | Sep. 3 | 44% | 15% | 11% | 23% | 17% | 11% | 15% | |
| Ohio | Quinnipiac U. | Aug. 6 | 41% | 16% | 11% | 29% | 11% | 8% | 11% | |
| Ohio | Quinnipiac U. | July 9 | 35% | 17% | 13% | 24% | 14% | 8% | 18% | |
| Ohio | Quinnipiac U. | June 25 | 46% | 14% | 15% | 26% | 16% | 8% | 18% | |
| Ohio | Quinnipiac U. | May 13 | 38% | 19% | 11% | 23% | 17% | 11% | ||
| Ohio | Quinnipiac U. | Apr. 24 | 37% | 14% | 17% | 23% | 21% | 6% | ||
| Ohio | Quinnipiac U. | Mar. 19 | 32% | 22% | 11% | 31% | 20% | 6% | ||
| Ohio | Quinnipiac U. | Mar. 4 | 32% | 19% | 13% | 35% | 18% | 3% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Oklahoma | Sooner Poll | Dec. 19 | 34% | 15% | 25% | 11% | 17% | 9% | 8% | 29% |
| Oklahoma | Sooner | Apr. 30 | 29% | 13% | 29% | 32% | 23% | 6% | 15% | 2% |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Oregon | Riley Research | Aug. 15 | 26% | 18% | 17% | 16% | 8% | 15% | 11% | 3% |
| Oregon | Riley Research | Mar. 13 | 31% | 21% | 8% | 33% | 20% | 5% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Pennsylvania | Quinnipiac U. | Dec. 3 | 43% | 15% | 9% | 27% | 13% | 6% | 6% | 13% |
| Pennsylvania | Quinnipiac U. | Nov. 5 | 46% | 15% | 11% | 29% | 12% | 7% | 11% | 6% |
| Pennsylvania | Quinnipiac U. | Oct. 8 | 41% | 14% | 11% | 32% | 13% | 8% | 13% | 2% |
| Pennsylvania | Franklin+Marshall Coll. | Sep. 2 | 38% | 21% | 17% | 32% | 19% | 12% | 11% | |
| Pennsylvania | Quinnipiac U. | Aug. 20 | 42% | 12% | 8% | 31% | 13% | 7% | 8% | |
| Pennsylvania | Quinnipiac U. | Aug. 6 | 35% | 19% | 10% | 29% | 16% | 3% | 14% | |
| Pennsylvania | Quinnipiac U. | June 25 | 38% | 22% | 10% | 29% | 16% | 4% | 15% | |
| Pennsylvania | Franklin+Marshall Coll. | June 4 | 40% | 18% | 21% | 29% | 29% | 12% | ||
| Pennsylvania | Quinnipiac U. | Apr. 24 | 36% | 14% | 13% | 29% | 17% | 5% | ||
| Pennsylvania | Quinnipiac U. | Mar. 25 | 36% | 17% | 9% | 33% | 18% | 5% | ||
| Pennsylvania | Quinnipiac U. | Mar. 4 | 29% | 18% | 11% | 43% | 17% | 6% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Rhode Island | Brown U. | Sep. 9 | 35% | 16% | 7% | |||||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| South Carolina | SurveyUSA | Dec. 18 | 41% | 39% | 17% | 12% | 16% | 18% | 15% | 28% |
| South Carolina | CBS News | Dec. 17 | 34% | 35% | 13% | 12% | 11% | 20% | 10% | 28% |
| South Carolina | Rasmussen | Dec. 16 | 33% | 33% | 17% | 11% | 12% | 23% | 12% | 23% |
| South Carolina | Opinion Research | Dec. 12 | 42% | 34% | 16% | 16% | 13% | 16% | 17% | 24% |
| South Carolina | SurveyUSA | Dec. 9 | 44% | 40% | 11% | 13% | 10% | 19% | 18% | 30% |
| South Carolina | Mason-Dixon | Dec. 6 | 28% | 25% | 18% | 17% | 10% | 15% | 14% | 20% |
| South Carolina | Rasmussen | Dec. 4 | 36% | 34% | 13% | 12% | 9% | 18% | 18% | 25% |
| South Carolina | Insider Advantage | Dec. 4 | 22% | 28% | 14% | 17% | 10% | 14% | 17% | 23% |
| South Carolina | ARG | Nov. 29 | 41% | 19% | 18% | 23% | 10% | 21% | 13% | 18% |
| South Carolina | Clemson U. | Nov. 27 | 19% | 17% | 12% | 9% | 11% | 17% | 15% | 13% |
| South Carolina | Princeton Survey | Nov. 25 | 45% | 31% | 10% | |||||
| South Carolina | SurveyUSA | Nov. 11 | 47% | 33% | 10% | 26% | 14% | 20% | 18% | 12% |
| South Carolina | ARG | Oct. 29 | 41% | 19% | 18% | 23% | 32% | 10% | 13% | 5% |
| South Carolina | Winthrop U. | Oct. 28 | 33% | 23% | 10% | 17% | 9% | 17% | 18% | |
| South Carolina | Rasmussen | Sep. 27 | 43% | 30% | 10% | 20% | 11% | 15% | 24% | |
| South Carolina | LA Times | Sep. 10 | 45% | 27% | 7% | 23% | 15% | 9% | 26% | |
| South Carolina | ARG | Aug. 29 | 32% | 21% | 24% | 26% | 12% | 9% | 21% | |
| South Carolina | Clemson U. | Aug. 29 | 26% | 16% | 10% | 18% | 15% | 11% | 19% | |
| South Carolina | ARG | July 30 | 29% | 33% | 18% | 28% | 10% | 7% | 27% | |
| South Carolina | Opinion Research | July 18 | 27% | 27% | 17% | 30% | 21% | 6% | 18% | |
| South Carolina | ARG | June 30 | 37% | 22% | 21% | 22% | 23% | 8% | 19% | |
| South Carolina | Mason-Dixon | June 15 | 25% | 34% | 12% | 21% | 7% | 11% | 25% | |
| South Carolina | Winthrop U. | May 27 | 29% | 21% | 11% | 19% | 14% | 12% | 6% | |
| South Carolina | ARG | Apr. 30 | 36% | 24% | 18% | 23% | 36% | 6% | ||
| South Carolina | Hamilton/McHenry | Apr. 19 | 31% | 27% | 16% | 15% | 24% | 10% | ||
| South Carolina | Zogby | Apr. 17 | 33% | 26% | 21% | 19% | 22% | 10% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Texas | U. of Texas | May 7 | 33% | 21% | 8% | 23% | 27% | 6% | 11% | |
| Texas | ARG | Mar. 19 | 34% | 32% | 11% | 30% | 20% | 13% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Utah | Dan Jones | Oct. 4 | 8% | 6% | 65% | 3% | 2% | |||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Vermont | Research 2000 | Oct. 19 | 47% | 15% | 10% | 44% | 13% | 7% | 12% | 2% |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Virginia | Washington Post | Oct. 8 | 49% | 25% | 11% | 34% | 20% | 9% | 19% | |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Washington | U. of Washington | Oct. 28 | 44% | 29% | 16% | 34% | 19% | 15% | 16% | 9% |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| West Virginia | ARG | Apr. 2 | 37% | 22% | 19% | 29% | 33% | 8% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thompson | Huckabee |
| Wisconsin | U. of Wisconsin | Dec. 5 | 39% | 26% | 15% | 25% | 15% | 5% | 30% | 8% |
| Wisconsin | St. Norbert Coll. | Nov. 8 | 43% | 25% | 15% | 32% | 13% | 8% | 14% | 11% |
| Wisconsin | St. Norbert Coll. | Apr. 17 | 33% | 30% | 18% | 26% | 24% | 9% | ||
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