Primary Polls
Here are the cumulative polls for the primary elections. This data are also available in .csv format.
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huck. | Paul |
| Alabama | SurveyUSA | Feb. 03 | 47% | 49% | 37% | 19% | 35% | 6% | |||
| Alabama | SurveyUSA | Jan. 31 | 47% | 47% | 40% | 21% | 31% | 5% | |||
| Alabama | Rasmussen | Jan. 31 | 38% | 20% | 30% | 5% | |||||
| Alabama | Insider Advantage | Jan. 31 | 46% | 40% | 37% | 14% | 35% | 5% | |||
| Alabama | Capital Survey | Jan. 30 | 35% | 40% | 34% | 15% | 27% | 3% | |||
| Alabama | Rasmussen | Jan. 23 | 43% | 28% | 16% | 8% | 27% | 15% | 27% | 3% | |
| Alabama | U. of South Alabama | Jan. 15 | 31% | 28% | 8% | ||||||
| Alabama | U. of Alabama | Jan. 10 | 5% | 22% | 8% | 9% | 25% | ||||
| 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. 02 | 38% | 19% | 17% | 26% | 16% | 3% | 31% | ||
| Alabama | Capital Survey | Jul. 19 | 33% | 29% | 9% | 20% | 11% | 5% | 34% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| Arizona | Mason-Dixon | Feb. 01 | 43% | 41% | |||||||
| Arizona | Rasmussen | Jan. 31 | 45% | 39% | 43% | 34% | 9% | 7% | |||
| Arizona | Rocky Mtn Poll | Jan. 24 | 37% | 27% | 15% | 7% | 40% | 23% | 9% | 3% | |
| Arizona | Arizona State U. | Jan. 21 | 45% | 24% | 9% | 4% | 41% | 18% | 9% | 7% | |
| Arizona | Rocky Mtn Poll | Nov. 15 | 44% | 14% | 20% | 20% | 18% | 11% | 10% | 3% | |
| Arizona | ARG | Oct. 09 | 41% | 14% | 16% | 19% | 26% | 18% | 15% | ||
| Arizona | ARG | Jul. 26 | 39% | 25% | 8% | 23% | 32% | 7% | 15% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| California | Zogby | Feb. 04 | 36% | 49% | 33% | 40% | 12% | 3% | |||
| California | SurveyUSA | Feb. 04 | 52% | 42% | 39% | 38% | 11% | 5% | |||
| California | Zogby | Feb. 03 | 40% | 46% | 32% | 40% | 12% | 5% | |||
| California | SurveyUSA | Feb. 03 | 53% | 41% | 39% | 36% | 9% | 7% | |||
| California | Suffolk U. | Feb. 03 | 40% | 39% | |||||||
| California | Zogby | Feb. 02 | 41% | 45% | 34% | 37% | 12% | 5% | |||
| California | Rasmussen | Feb. 02 | 44% | 45% | 38% | 38% | 10% | 6% | |||
| California | ARG | Feb. 02 | 47% | 39% | 32% | 33% | 16% | 8% | |||
| California | Suffolk U. | Feb. 01 | 39% | 32% | 8% | 4% | |||||
| California | Mason-Dixon | Feb. 01 | 45% | 36% | 40% | 31% | 13% | 3% | |||
| California | Rasmussen | Jan. 29 | 43% | 40% | 32% | 28% | 11% | ||||
| California | SurveyUSA | Jan. 27 | 49% | 38% | 9% | 12% | 37% | 25% | 14% | 4% | |
| California | LA Times | Jan. 27 | 49% | 32% | 14% | 13% | 39% | 26% | 11% | ||
| California | Gallup | Jan. 27 | 47% | 35% | 10% | 13% | 29% | 21% | 18% | ||
| California | Gallup | Jan. 26 | 11% | 35% | 27% | 12% | 5% | ||||
| California | Public Policy Inst. | Jan. 20 | 43% | 28% | 11% | 10% | 29% | 17% | 10% | 5% | |
| California | Field Poll | Jan. 20 | 39% | 27% | 10% | ||||||
| California | Rasmussen | Jan. 14 | 38% | 33% | 12% | 11% | 24% | 17% | 13% | 13% | |
| California | SurveyUSA | Jan. 13 | 50% | 35% | 10% | 18% | 33% | 13% | 9% | 14% | |
| California | Opinion Research | Jan. 13 | 47% | 31% | 10% | 14% | 20% | 16% | 6% | 13% | |
| 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. 04 | 44% | 20% | 12% | 24% | 11% | 15% | 10% | 12% | |
| California | SurveyUSA | Dec. 02 | 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. 08 | 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. 02 | 35% | 22% | 16% | 30% | 7% | 18% | 18% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| Colorado | Mason-Dixon | Jan. 23 | 32% | 34% | 17% | 4% | 24% | 43% | 17% | 5% | |
| Colorado | ARG | Sep. 18 | 36% | 20% | 19% | 20% | 12% | 8% | 25% | 2% | |
| Colorado | ARG | Jul. 18 | 39% | 22% | 10% | 35% | 11% | 9% | 20% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| Connecticut | SurveyUSA | Feb. 03 | 46% | 48% | 52% | 30% | 7% | 6% | |||
| Connecticut | ARG | Jan. 31 | 48% | 35% | 43% | 25% | 12% | 1% | |||
| Connecticut | SurveyUSA | Jan. 30 | 44% | 48% | 53% | 31% | 6% | 5% | |||
| Connecticut | Rasmussen | Jan. 27 | 40% | 40% | 11% | ||||||
| Connecticut | Rasmussen | Jan. 27 | 42% | 26% | 8% | 4% | |||||
| Connecticut | U. of Connecticut | Jan. 17 | 41% | 27% | 9% | 16% | 39% | 11% | 6% | 8% | |
| Connecticut | Quinnipiac | Nov. 05 | 45% | 19% | 7% | 41% | 12% | 13% | 7% | 4% | |
| Connecticut | Quinnipiac U. | Oct. 15 | 43% | 16% | 8% | 42% | 14% | 9% | 10% | 2% | |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| Delaware | ARG | Feb. 01 | 44% | 42% | 41% | 35% | 7% | 5% | |||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| Florida | Rasmussen | Mar. 06 | 55% | 39% | |||||||
| Florida | SurveyUSA | Jan. 28 | 52% | 28% | 13% | 15% | 32% | 31% | 13% | 6% | |
| Florida | Zogby | Jan. 27 | 24% | 33% | 30% | 11% | 2% | ||||
| Florida | SurveyUSA | Jan. 27 | 49% | 29% | 14% | 16% | 31% | 32% | 13% | 5% | |
| Florida | Suffolk U. | Jan. 27 | 13% | 30% | 27% | 11% | 4% | ||||
| Florida | Rasmussen | Jan. 27 | 47% | 25% | 10% | 16% | 31% | 31% | 11% | 4% | |
| Florida | Quinnipiac U. | Jan. 27 | 50% | 30% | 12% | 14% | 32% | 31% | 13% | 3% | |
| Florida | Insider Advantage | Jan. 27 | 16% | 28% | 27% | 13% | 4% | ||||
| Florida | ARG | Jan. 27 | 57% | 27% | 12% | 11% | 32% | 34% | 12% | 4% | |
| Florida | Zogby | Jan. 26 | 14% | 33% | 30% | 11% | 2% | ||||
| Florida | Rasmussen | Jan. 26 | 44% | 25% | 19% | 18% | 27% | 33% | 12% | 2% | |
| Florida | Insider Advantage | Jan. 26 | 17% | 25% | 25% | 17% | 6% | ||||
| Florida | ARG | Jan. 26 | 60% | 27% | 9% | 11% | 32% | 33% | 14% | 4% | |
| Florida | Zogby | Jan. 25 | 15% | 31% | 28% | 10% | 5% | ||||
| Florida | SurveyUSA | Jan. 24 | 47% | 30% | 12% | 18% | 30% | 28% | 14% | 6% | |
| Florida | Insider Advantage | Jan. 24 | 16% | 23% | 23% | 13% | 7% | ||||
| Florida | ARG | Jan. 24 | 58% | 20% | 15% | 14% | 31% | 26% | 15% | 3% | |
| Florida | Rasmussen | Jan. 23 | 51% | 26% | 13% | 20% | 23% | 27% | 15% | 4% | |
| Florida | Mason-Dixon | Jan. 23 | 18% | 26% | 30% | 15% | 4% | ||||
| Florida | Insider Advantage | Jan. 23 | 18% | 23% | 22% | 16% | 4% | ||||
| Florida | St. Petersburg Times | Jan. 22 | 42% | 23% | 12% | 15% | 25% | 23% | 15% | 3% | |
| Florida | Public Policy Inst. | Jan. 22 | 19% | 25% | 28% | 15% | |||||
| Florida | ARG | Jan. 22 | 59% | 21% | 14% | 16% | 29% | 22% | 17% | 6% | |
| Florida | Insider Advantage | Jan. 21 | 19% | 18% | 24% | 12% | 7% | ||||
| Florida | SurveyUSA | Jan. 20 | 56% | 23% | 12% | 20% | 25% | 19% | 14% | 7% | |
| Florida | Rasmussen | Jan. 20 | 47% | 29% | 12% | 19% | 20% | 25% | 13% | 5% | |
| Florida | Research 2000 | Jan. 16 | 50% | 28% | 13% | 22% | 26% | 16% | 7% | 17% | |
| Florida | Insider Advantage | Jan. 16 | 42% | 34% | 9% | 21% | 20% | 20% | 7% | 13% | |
| Florida | SurveyUSA | Jan. 13 | 56% | 23% | 14% | 23% | 25% | 18% | 9% | 18% | |
| Florida | Quinnipiac U. | Jan. 13 | 52% | 31% | 9% | 20% | 22% | 19% | 7% | 19% | |
| Florida | Rasmussen | Jan. 12 | 48% | 24% | 14% | 18% | 19% | 18% | 11% | 17% | |
| Florida | SurveyUSA | Jan. 10 | 51% | 32% | 11% | 19% | 27% | 17% | 8% | 17% | |
| Florida | Insider Advantage | Jan. 07 | 40% | 32% | 9% | 24% | 19% | 13% | 8% | 19% | |
| Florida | Datamar | Jan. 07 | 40% | 28% | 19% | 16% | 18% | 20% | 9% | 24% | |
| 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. 04 | 54% | 24% | 13% | 32% | 11% | 15% | 14% | 18% | |
| Florida | Quinnipiac U. | Dec. 03 | 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. 07 | 48% | 24% | 8% | 36% | 12% | 19% | 8% | 9% | |
| Florida | SurveyUSA | Nov. 05 | 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. 09 | 42% | 13% | 9% | 28% | 10% | 11% | 17% | ||
| Florida | Quinnipiac U. | Aug. 06 | 43% | 13% | 8% | 26% | 11% | 9% | 19% | ||
| Florida | Mason-Dixon | Jul. 26 | 31% | 17% | 12% | 21% | 11% | 7% | 18% | ||
| Florida | Quinnipiac U. | Jul. 16 | 36% | 14% | 9% | 30% | 10% | 9% | 18% | ||
| Florida | ARG | Jul. 15 | 45% | 25% | 9% | 33% | 7% | 12% | 27% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| Georgia | Zogby | Feb. 04 | 29% | 49% | |||||||
| Georgia | Zogby | Feb. 03 | 31% | 48% | |||||||
| Georgia | Zogby | Feb. 02 | 28% | 48% | |||||||
| Georgia | Rasmussen | Feb. 02 | 37% | 52% | 31% | 29% | 28% | 6% | |||
| Georgia | Insider Advantage | Feb. 02 | 36% | 51% | 29% | 30% | 28% | 2% | |||
| Georgia | Mason-Dixon | Feb. 01 | 41% | 47% | 33% | 27% | 18% | 4% | |||
| Georgia | Insider Advantage | Jan. 30 | 36% | 52% | 35% | 34% | 24% | 5% | |||
| Georgia | Rasmussen | Jan. 22 | 19% | 16% | 34% | 12% | |||||
| Georgia | Mason-Dixon | Jan. 10 | 33% | 36% | 14% | 9% | 18% | 14% | 8% | 31% | |
| Georgia | ARG | Aug. 06 | 35% | 25% | 17% | 20% | 7% | 14% | 27% | 3% | |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| Idaho | Greg Smith | Jul. 13 | 31% | 33% | 15% | 20% | 14% | 38% | 18% | ||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| Illinois | SurveyUSA | Feb. 03 | 30% | 66% | 46% | 25% | 17% | 8% | |||
| Illinois | Market Shares | Jan. 31 | 24% | 55% | 43% | 20% | 15% | 4% | |||
| Illinois | ARG | Jan. 31 | 40% | 51% | 48% | 34% | 3% | 3% | |||
| Illinois | Rasmussen | Jan. 29 | 24% | 60% | 34% | 26% | 16% | 10% | |||
| Illinois | Market Shares | Dec. 13 | 25% | 50% | 7% | 23% | 12% | 14% | 11% | 21% | |
| Illinois | ARG | Jul. 09 | 33% | 37% | 10% | 30% | 12% | 11% | 21% | 2% | |
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| Indiana | Zogby | May 05 | 43% | 45% | |||||||
| Indiana | Zogby | May 04 | 42% | 44% | |||||||
| Indiana | SurveyUSA | May 04 | 54% | 42% | |||||||
| Indiana | Suffolk U. | May 04 | 49% | 43% | |||||||
| Indiana | ARG | May 04 | 53% | 45% | |||||||
| Indiana | Zogby | May 03 | 41% | 43% | |||||||
| Indiana | Zogby | May 02 | 42% | 43% | |||||||
| Indiana | Zogby | May 01 | 42% | 42% | |||||||
| Indiana | Insider Advantage | May 01 | 47% | 40% | |||||||
| Indiana | ARG | May 01 | 53% | 44% | |||||||
| Indiana | IPFW | Apr. 30 | 52% | 45% | |||||||
| Indiana | TeleResearch | Apr. 29 | 48% | 38% | |||||||
| Indiana | Rasmussen | Apr. 29 | 46% | 41% | |||||||
| Indiana | SurveyUSA | Apr. 27 | 52% | 43% | |||||||
| Indiana | Research 2000 | Apr. 24 | 47% | 48% | |||||||
| Indiana | Howey-Gauge | Apr. 24 | 45% | 47% | |||||||
| Indiana | ARG | Apr. 24 | 50% | 45% | |||||||
| Indiana | Selzer | Apr. 23 | 38% | 41% | |||||||
| Indiana | Indiana U. | Apr. 16 | 45% | 50% | |||||||
| Indiana | LA Times | Apr. 14 | 35% | 40% | |||||||
| Indiana | SurveyUSA | Apr. 13 | 55% | 39% | |||||||
| Indiana | ARG | Apr. 03 | 53% | 44% | |||||||
| Indiana | SurveyUSA | Mar. 31 | 52% | 43% | |||||||
| Indiana | Howey-Gauge | Feb. 18 | 25% | 40% | 52% | 23% | |||||
| State | Pollster | End date | Clinton | Obama | Edwards | Giuliani | McCain | Romney | Thomp. | Huckabee | Paul |
| Iowa | Zogby | Jan. 02 | 24% | 31% | 27% | 6% | 10% | 25% | 11% | 31% | |
| Iowa | Insider Advantage | Jan. 02 | 32% | 34% | 33% | 5% | 11% | 24% | 11% | 30% | |
| Iowa | ARG | Jan. 02 | 34% | 25% | 21% | 8% | 11% | 24% | 13% | 29% | |
| 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 | Washington Post | Dec. 17 | 29% | 33% | 20% | ||||||
| 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 | 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 | Princeton Survey | Dec. 06 | 29% | 35% | 18% | 9% | 6% | 17% | 10% | 39% | |
| Iowa | Mason-Dixon | Dec. 06 | 27% | 25% | 21% | 5% | 7% | 20% | 11% | 32% | |
| Iowa | Zogby | Dec. 01 | 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 | |||||||||||