# Statewide opinion polling for the 2008 Super Tuesday Democratic Party presidential primaries

This article is a collection of statewide public opinion polls that have been conducted relating to the Super Tuesday Democratic presidential primaries, 2008.

## Polling
### Alabama

Alabama winner: Barack Obama Primary date: February 5, 2008 Total Delegates At Stake 52 Total Delegates Won To be determined See also Alabama Democratic Presidential Preference
| Poll source | Date | Highlights |
| Actual Result (100% precincts reporting) | February 5, 2008 | Obama 56%, Clinton 42% |
| InsiderAdvantage Sampling Size: 408 Margin of Error: | February 3, 2008 | Obama 45%, Clinton 44%, Other 3%, Undecided 8% |
| Capital Survey Research Center Margin of Error: 5.1± % | February 2, 2008 | Obama 44.4%, Clinton 37.4%, Other responses 18.2% |
| Rasmussen Reports Sampling Size: 576 Margin of Error: 4±% | January 31, 2008 | Clinton 46%, Obama 41%, other 7%, undecided 6% |
| InsiderAdvantage Sampling Size: 424 Margin of Error: 5±% | January 31, 2008 | Clinton 46%, Obama 40%, other 5%, undecided 9% |
| Survey USA Sampling Size: 586 Margin of Error: ± 4.1% | January 30–31, 2008 | Obama 47%, Clinton 47%, Other 5%, Undecided 2% |
| Capital Survey Research Center Margin of Error: ± 5% | January 30, 2008 | Obama 40%, Clinton 35%, Edwards 9%, Undecided 16% |
| Rasmussen Reports Sampling Size: 649 Margin of Error: ±4% | January 23, 2008 | Clinton 43%, Obama 28%, John Edwards 16%, Undecided 23% |
| Press Register/University of South Alabama Sampling Size: 439 Margin of Error: ±5% | January 7–15, 2008 | Hillary Clinton 31%, Obama 28%, John Edwards 8%, Undecided 33% |
| Capital Survey Research Center Margin of Error: ± 6% | January 11, 2008 | Obama 36%, Clinton 34%, Edwards 9%, Other 1%, Undecided 21% |
| Capital Survey Research Center Margin of Error: ± 4.7% | November 19–20, 2007; November 26–27, 2007 | Clinton 46%, Obama 25%, Edwards 6% |
| Capital Survey Research Center | August 14–16, 2007; September 17–19, 2007 | Clinton 45%, Obama 24%, Edwards 9%, Al Gore 8%, Others 3%, undecided 10% |
| American Research Group | July 30, 2007 – August 2, 2007 | Clinton 38%, Edwards 19%, Obama 17%, Biden 4%, Richardson 4%, Dodd 1%, Kucinich 1%, Clark -, Gravel -, undecided 16% |
| Capital Survey Research Center | July 11–13, 2007; July 16–19, 2007 | Clinton 33%, Obama 29%, Edwards 9%, Gore 6% |
| Mobile Register-University of South Alabama | April 16–19, 2007 | Clinton 33%, Obama 25%, Edwards 12%, Gore 8%, Biden 1%, Kucinich 1%, Richardson 1%, Dodd <1%, undecided 19% |
| Capital Survey Research Center | February 19–22, 2007 | Clinton 35%, Obama 19%, Edwards 9%, Gore 8%, Other 8%, undecided 21% |
| American Research Group | February 8–13, 2007 | Clinton 44%, Obama 13%, Edwards 11%, Clark 3%, Dodd 3%, Richardson 1%, Tom Vilsack 1%, undecided 23% |
| Capital Survey Research Center Poll | January 20, 2007 | Clinton 27%, Obama 19%, Edwards 14%, Gore 11% |

### Arizona

Arizona winner: Hillary Clinton Primary date: February 5, 2008 Total Delegates At Stake 56 Total Delegates Won To be determined See also Arizona Democratic Presidential Preference
| Poll source | Date | Highlights |
| Actual Result (100% precincts reporting) | February 5, 2008 | Clinton 51%, Obama 42% |
| Rasmussen Reports Sampling Size: 537 Margin of Error: ±4% | January 31, 2008 | Clinton 46%, Obama 41%, Other 12%, Undecided 3% |
| Mason-Dixon Sampling Size: 400 Margin of Error: ±5% | January 30 – February 1, 2008 | Clinton 43%, Obama 41%, undecided 13% |
| Behavior Research Center Margin of Error: ±6.5% | January 20–24, 2008 | Clinton 37%, Obama 27%, Edwards 15%, Undecided 18% |
| Arizona State University Sampling Size: 366 Margin of Error: ±5.1% | January 17–20, 2008 | Clinton 45%, Obama 24%, Edwards 9%, Kucinich 1%, Undecided 21% |
| Cronkite/Eight Poll Margin of Error: ± 6.8% | November 15–18, 2007 | Clinton 41%, Obama 23%, Edwards 14%, Richardson 9%, undecided 13% |
| Rocky Mountain Poll | November 12–15, 2007 | Clinton 44%, Obama 14%, Edwards 11%, Richardson 2%, Kucinich 1%, Biden -%, undecided 27% |
| American Research Group | October 5–9, 2007 | Clinton 41%, Edwards 16%, Obama 14%, Richardson 7%, Biden 4%, Kucinich 2%, Dodd 2%, Gravel -, undecided 14% |
| American Research Group | July 23–26, 2007 | Clinton 39%, Obama 25%, Richardson 9%, Edwards 8%, Biden 1%, Clark 1%, Kucinich 1%, Dodd -, Gravel -, undecided 16% |
| Rocky Mountain Poll | May 24–29, 2007 | Clinton 26%, Obama 22%, Gore 13%, Richardson 7%, Edwards 7%, other 5%, undecided 20% |
| Cronkite/Eight Poll | April 19–22, 2007 | Clinton 25%, Obama 20%, Edwards 18%, Gore 17%, undecided 20% |
| Cronkite/Eight Poll | 27 February 2007 | Clinton 28%, Obama 24%, Gore 16%, Edwards 14%, undecided 18% |
| American Research Group | 8–13 February 2007 | Clinton 33%, Obama 24%, Edwards 13%, Richardson 4%, Vilsack 3%, Clark 1%, Kucinich 1%, undecided 22% |
| Behavior Research Center/Rocky Mountain Poll | 24 January 2007 | Clinton 32%, Obama 18%, Edwards 15%, Gore 15%, Kerry 5%, Biden 3%, undecided 12% |
| Cronkite/Eight Poll | 24 January 2007 | Obama 29%, Clinton 23%, Edwards 15%, Gore 12%, undecided 21% |

### Arkansas

Arkansas winner: Hillary Clinton Primary date: February 5, 2008 Delegates At Stake 35 Delegates Won To be determined See also Arkansas Democratic Presidential Preference
| Poll source | Date | Highlights |
| Actual Result (100% precincts reporting) | February 5, 2008 | Clinton 69%, Obama 27% |
| Global Strategy Group Sampling Size: 608 Margin of Error: ±4.4% | December 14, 2007 | Clinton 57%, Obama 17%, Edwards 14%, Richardson 1%, undecided 11% |
| American Research Group | March 16–19, 2007 | Clinton 49%, Obama 16%, Edwards 12%, Richardson 2%, Clark 8%, Biden 2%, Dodd 0%, Gravel 0%, Kucinich 0%, undecided 11% |

### California

California winner: Hillary Clinton Primary date: February 5, 2008 Delegates At Stake 370 Delegates Won To be determined See also Pollster
| Poll source | Date | Highlights |
| Reuters/C-SPAN/Zogby Sampling Size: 895 Margin of Error: ±3.3% | February 3–4, 2008 | Obama 49%, Clinton 36%, Gravel 1%, Someone Else 5%, Undecided 9% |
| Survey USA Sampling Size: 872 Margin of Error: ±3.4% | February 3–4, 2008 | Clinton 52%, Obama 42%, Other 4%, Undecided 2% |
| Survey USA Sampling Size: 853 Margin of Error: ±3.4% | February 2–3, 2008 | Clinton 53%, Obama 41%, Other 4%, Undecided 2% |
| Reuters/C-SPAN/Zogby Sampling Size: 967 Margin of Error: ±3.2% | February 1–3, 2008 | Obama 46%, Clinton 40%, Gravel 1%, Someone Else 5%, Undecided 9% |
| Rasmussen Reports Sampling Size: 798 Margin of Error: ±4% | February 2, 2008 | Obama 45%, Clinton 44%, Undecided 5% |
| Reuters/C-SPAN/Zogby Sampling Size: 1,141 Margin of Error: ±2.9% | January 31 – February 2, 2008 | Obama 45%, Clinton 41%, Gravel 1%, Undecided 15% |
| Suffolk University Sampling Size: 700 | January 31 – February 1, 2008 | Obama 39.8%, Clinton 38.6%, Undecided 18.8%, Refused 2.7% |
| Mason-Dixon Sampling Size: 400 Margin of Error: ±5% | January 30 – February 1, 2008 | Clinton 45%, Obama 36%, undecided 16% |
| Field Sampling Size: 511 Margin of Error: ±4.5% | January 25 – February 1, 2008 | Clinton 36%, Obama 34%, Other 12%, Undecided 18% |
| Rasmussen Reports Sampling Size: 807 Margin of Error: ±4% | January 29, 2008 | Clinton 43%, Obama 40%, Edwards 9%, Other 4%, Undecided 4% |
| Survey USA Sampling Size: 888 Margin of Error: ±3.4% | January 27, 2008 | Clinton 49%, Obama 38%, Edwards 9%, Other 2%, Undecided 2% |
| Politico/CNN/Los Angeles Times Sampling Size: 690 Margin of Error: ±4% | January 23–27, 2008 | Clinton 49%, Obama 32%, Edwards 14%, Undecided 4% |
| USA Today/Gallup Sampling Size: 779 Margin of Error: ±4% | January 23–26, 2008 | Clinton 47%, Obama 35%, Edwards 10%, Other 2%, Undecided 6% |
| Public Policy Institute of California Sampling Size: 543 Margin of Error: ±4% | January 13–20, 2008 | Clinton 43%, Obama 28%, Edwards 11%, Kucinich 5%, Richardson 1%, Other 1%, Undecided 11% |
| Field Sampling Size: 377 Margin of Error: ±5.2% | January 14–20, 2008 | Clinton 39%, Obama 27%, Edwards 10%, Other 4%, Undecided 20% |
| Rasmussen Sampling Size: 897 Margin of Error: ±4% | January 14, 2008 | Clinton 38%, Obama 33%, Edwards 12%, Kucinich 3%, Undecided 13% |
| Survey USA Sampling Size: 810 Margin of Error: ±3.5% | January 11–13, 2008 | Clinton 50%, Obama 35%, Edwards 10%, Other 3%, Undecided 2% |
| Politico/CNN/Los Angeles Times Sampling Size: 384 Margin of Error: ±5% | January 11–13, 2008 | Clinton 47%, Obama 31%, Edwards 10%, Undecided 6% |
| Field Research Corp. Sample Size: 457 Margin of Error: ± 4.7% | December 10–17, 2007 | Clinton 36%, Obama 22%, Edwards 13%, Richardson 3%, Biden 3%, Kucinich 2%, Dodd 1%, Gravel 0%, Undecided 20% |
| Survey USA | December 14–16, 2007 | Clinton 49%, Obama 30%, Edwards 14%, Other 5%, Undecided 3% |
| Public Policy Institute of California | November 27 – December 4, 2007 | Clinton 44%, Obama 20%, Edwards 12% |
| Survey USA | November 30 – December 2, 2007 | Clinton 50%, Obama 24%, Edwards 16%, Other 7%, Undecided 3% |
| Datamar | November 23–29, 2007 | Clinton 54.0%, Obama 16.1%, Edwards 8.9%, Kucinich 4.9%, Richardson 4.8%, Biden 1.6%, Dodd 1.2%, undecided 8.5% |
| Survey USA | November 2–4, 2007 | Clinton 53%, Obama 25%, Edwards 13%, Other 6%, Undecided 3% |
| The Field | October 11–21, 2007 | Clinton 45%, Obama 20%, Edwards 11%, Richardson 4%, Kucinich 3%, Biden 3%, Dodd -%, Gravel -%, Undecided 14% |
| Survey USA | October 12–14, 2007 | Clinton 57%, Obama 20%, Edwards 13%, Other 6%, Undecided 6% |
| Survey and Policy Research Institute at San Jose State University | October 1–8, 2007 | Clinton 42%, Obama 20%, Edwards 14%, Others 5% |
| PPIC | September 4–11, 2007 | Clinton 41%, Obama 23%, Edwards 14%, Richardson 3%, Kucinich 3%, Biden 2%, Dodd -%, Gravel -%, other 1%, undecided 13% |
| Survey USA | September 7–9, 2007 | Clinton 51%, Obama 27%, Edwards 14% |
| The Field Poll | August 3–12, 2007 | Clinton 49%, Obama 19%, Edwards 10%, Richardson 3%, Biden 3%, Kucinich 2%, Dodd 1%, Gravel 1%, undecided 12% |
| Survey USA | August 2–5, 2007 | Clinton 51%, Obama 27%, Edwards 14%, Other 6%, undecided 3% |
| American Research Group | July 30–2 August 2007 | Clinton 35%, Obama 22%, Edwards 16%, Biden 5%, Richardson 5%, Dodd 1%, Kucinich 1%, Clark -, Gravel -, undecided 15% |
| Survey USA | June 29 – July 1, 2007 | Clinton 49%, Obama 24%, Edwards 14%, Other 9%, undecided 3% |
| San Jose State California Primary | June 18–22, 2007 | Clinton 37%, Obama 15%, Edwards 15%, Other 33% |
| Datamar | June 6–11, 2007 | Clinton 36.9%, Obama 24.3%, Edwards 14.8%, Richardson 6.5%, Biden 4.5%, Kucinich 2.4%, Gravel .8%, Dodd 0%, undecided 9.9% |
| Survey USA | June 1–3, 2007 | Clinton 46%, Obama 28%, Edwards 14%, Other 8%, undecided 4% |
| American Research Group | May 4–8, 2007 | Clinton 37%, Obama 28%, Edwards 15%, Richardson 3%, Biden 2%, Dodd 2%, Kucinich 2%, Clark -, Gravel -, undecided 11% |
| Survey USA | May 5–6, 2007 | Clinton 48%, Obama 27%, Edwards 15%, Other 7%, undecided 3% |
| Working Californians | April 9–12, 2007 | Clinton 38%, Obama 19%, Edwards 17%, Other/Undecided 26% |
| Survey USA | March 30 – April 1, 2007 | Clinton 43%, Obama 26%, Edwards 17%, Richardson 4%, Other 4%, undecided 5% |
| The Field (without Gore) | March 20–21 March 2007 | Clinton 41%, Obama 28%, Edwards 13%, Richardson 4%, Biden 3%, Kucinich 2%, Dodd 0%, undecided 9% |
| The Field (with Gore) | March 20–21 March 2007 | Clinton 31%, Gore 25%, Obama 21%, Edwards 8%, Richardson 3%, Biden 2%, Kucinich 1%, Dodd 0%, undecided 9% |
| Survey USA | March 3–5, 2007 | Clinton 44%, Obama 31%, Edwards 10%, Richardson 4%, Other 5%, undecided 6% |
| Datamar | 9–13 February 2007 | Clinton 34.3%, Obama 23.6%, Edwards 16.2%, Richardson 7.2%, Kucinich 4.2%, Biden 3.9%, Dodd 0.8%, Gravel 0.3%, Vilsack 0.2%, undecided 9.2% |
| American Research Group | 4–7 January 2007 | Clinton 36%, Obama 33%, Edwards 6%, Kerry 4%, Clark 2%, Biden 1%, Kucinich 1%, Richardson 1%, Dodd 0%, undecided 16% |

### Colorado

Colorado winner: Obama Primary date: February 5, 2008 Delegates At Stake 55 Delegates Won To be determined See also Colorado Democratic Presidential Preference
| Poll source | Date | Highlights |
| Mason-Dixon Margin of Error: ± 3.5% | January 21–23, 2008 | Obama 34%, Clinton 32%, Edwards 17%, Undecided 14% |
| American Research Group | September 15–18, 2007 | Clinton 36%, Obama 20%, Edwards 19%, Richardson 5%, Biden 3%, Dodd 1%, Kucinich 1%, Gravel -, undecided 15% |
| Ciruli Associates Poll | September 12–15, 2007 | Clinton 29%, Obama 23%, Edwards 23% |
| American Research Group | July 15–18, 2007 | Clinton 39%, Obama 22%, Edwards 10%, Richardson 8%, Biden 4%, Clark 1%, Kucinich 1%, Dodd 1%, Gravel -, undecided 14% |
| American Research Group | April 3, 2007 | Clinton 34%, Obama 23%, Edwards 17%, Biden 6%, Kucinich 3%, Richardson 2%, Clark 2%, Dodd 0%, Gravel 0%, undecided 13% |

### Connecticut

Connecticut winner: Obama Primary date: February 5, 2008 Delegates At Stake 48 Delegates Won Barack Obama-26 Hillary Clinton-22 See also Archived 2008-09-17 at the Wayback Machine
| Poll source | Date | Highlights |
| Survey USA Sampling Size: 635 Margin of Error: ±4% | February 2, 2008 – February 3, 2008 | Obama 48%, Clinton 46%, Other 3%, Undecided 3% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 30, 2008 – January 31, 2008 | Clinton 48%, Obama 35%, someone else 8%, undecided 10% |
| Survey USA Sampling Size: 679 Margin of Error: ±3.8% | January 30, 2008 – January 31, 2008 | Obama 48%, Clinton 44%, other 4%, undecided 5% |
| Rasmussen Reports Sampling Size: 899 Margin of Error: ±3% | January 27, 2008 | Clinton 40%,Obama 40%, Edwards 11%, Other 3%, Undecided 6% |
| CSRA Sampling Size: 403 Margin of Error: ±5% | January 9–17, 2008 | Clinton 41%, Obama 27%, Edwards 9%, |
| Quinnipiac University Sample Size: 385 Margin of Error: ± 5% | November 1–5, 2007 | Clinton 45%, Obama 18%, Edwards 7%, Dodd 5%, Biden 4%, Richardson 2%, Kucinich 2%, Gravel -, Other 1%, undecided 14% |
| Quinnipiac University | October 9–15, 2007 | Clinton 42%, Obama 16%, Edwards 8%, Dodd 7%, Biden 3%, Richardson 2%, Kucinich 1%, Gravel -, Other 2%, undecided 17% |
| Quinnipiac University | May 2–7, 2007 | Clinton 28%, Obama 20%, Gore 13%, Edwards 8%, Dodd 6%, Biden 2%, Kucinich 1%, Richardson 1%, Clark -, Gravel -, Other 2%, undecided 17% |
| Quinnipiac University | 9–12 February 2007 | Clinton 33%, Obama 21%, Gore 9%, Dodd 8%, Edwards 5%, Biden 2%, Kucinich 1%, Richardson 1%, Clark 1%, Vilsack 0%, undecided 16% |
| American Research Group | 2–6 February 2007 | Clinton 40%, Dodd 14%, Obama 10%, Edwards 8%, Biden 3%, Kucinich 3%, Richardson 2%, Clark 1%, Vilsack 1%, undecided 19% |

### Delaware

Delaware winner: Barack Obama Primary date: February 5, 2008 Delegates At Stake 15 Delegates Won Barack Obama-9 Hillary Clinton-6
| Poll source | Date | Highlights |
| American Research Group Sampling Size: 600 Margin of Error: ±4.0% | January 31 – February 1, 2008 | Clinton 44%, Obama 42%, other 4%, Undecided 10% |
| Fairleigh Dickinson University | October 3–9, 2007 | Clinton 41%, Biden 19%, Obama 17%, Edwards 7%, Someone else 4%, Don't know 12% |
| Fairleigh Dickinson University | March 1, 2007 | Clinton 34%, Biden 21%, Obama 19%, Edwards 10%, Someone else 5%, Don't know 10% |

### Georgia

Georgia winner: Barack Obama Primary date: February 5, 2008 Delegates At Stake 87 Delegates Won To be determined See also Strategic Vision PoliticalGeorgia Democratic Presidential Preference
| Poll source | Date | Highlights |
| Rasmussen Reports Sampling Size: 542 Margin of Error: ±4% | February 2, 2008 | Obama 52%, Clinton 37%, Other/Undecided 11% |
| Insider Advantage Sampling Size: 342 Margin of Error: ±5.5% | February 2, 2008 | Obama 51.3%, Clinton 35.6%, Other 4.7%, Undecided 8.4% |
| Reuters/C-SPAN/Zogby Poll Sampling Size: 864 Margin of Error: ±3.4% | February 1–3, 2008 | Obama 48%, Clinton 31%, Gravel 2%, Someone else 10%, Undecided 11% |
| Mason-Dixon Sampling Size: 400 Margin of Error: ±5% | January 30 – February 1, 2008 | Obama 47%, Clinton 41%, undecided 10% |
| Reuters/C-SPAN/Zogby Sampling Size: 940 Margin of Error: ±3.3% | January 31 – February 2, 2008 | Obama 48%, Clinton 28%, Gravel 1%, Undecided 23% |
| Insider Advantage Sampling Size: 301 Margin of Error: ±6% | January 30, 2008 | Obama 52%, Clinton 36%, Other 4%, Undecided 8% |
| Rasmussen Reports Sampling Size: 571 Margin of Error: ±4% | January 22, 2008 | Obama 41%, Clinton 35%, Edwards 13%, Undecided 11% |
| Mason Dixon/AJC Sampling Size: 400 Margin of Error: ±5% | January 7–10, 2008 | Obama 36%, Clinton 33%, Edwards 14% |
| Insider Advantage Sample Size: 885 Margin of Error: ± 4% | December 17–18, 2007 | Obama 33%, Clinton 31%, Edwards 16%, Biden 4%, Richardson 2%, Dodd 0%, Kucinich 0%, Gravel 0%, Undecided 14% |
| Strategic Vision (R) | December 7–9, 2007 | Clinton 34%, Obama 27%, Edwards 12%, Richardson 5%, Biden 2%, Kucinich 1%, Dodd 1%, undecided 18% |
| Strategic Vision (R) | October 19–21, 2007 | Clinton 40%, Obama 27%, Edwards 11%, Richardson 5%, Biden 3%, Kucinich 1%, Dodd 1%, undecided 12% |
| Strategic Vision (R) | September 7–9, 2007 | Clinton 34%, Obama 25%, Edwards 13%, Richardson 8%, Biden 5%, Kucinich 1%, Dodd 1%, undecided 13% |
| American Research Group | 2–6 August 2007 | Clinton 35%, Obama 25%, Edwards 17%, Biden 3%, Kucinich 3%, Richardson 3%, Dodd 1%, Clark -, Gravel -, undecided 13% |
| Strategic Vision (R) | June 22–24, 2007 | Clinton 29%, Obama 26%, Edwards 18%, Richardson 7%, Biden 4%, Dodd 1%, Kucinich 1%, undecided 14% |
| Strategic Vision (R) | 11 April 2007 | Clinton 25%, Obama 22%, Edwards 20%, Richardson 4%, Clark 3%, Biden 3%, Dodd 1%, Kucinich 1%, undecided 21% |
| Insider Advantage | March 27, 2007 | Clinton 32%, Edwards 27%, Obama 18%, Richardson 2%, Dodd 1%, Biden 1% |
| Strategic Vision | 28 February 2007 | Clinton 28%, Obama 25%, Edwards 18%, Clark 5%, Biden 3%, Richardson 2%, Dodd 1%, Kucinich 1%, undecided 17% |
| Strategic Vision | 17 January 2007 | Clinton 27%, Obama 20%, Edwards 15%, Gore 11%, Clark 4%, Kerry 3%, Biden 6%, Richardson 1%, Ed Rendell 1%, Vilsack 1%, Dodd 1%, Kucinich 1%, undecided 13% |

### Idaho

Idaho winner: Barack Obama Primary date: February 5, 2008 Delegates At Stake 18 Delegates Won Barack Obama-15 Hillary Clinton-3
| Poll source | Date | Highlights |
| Greg Smith & Associates | July 11–13, 2007 | Obama 33%, Clinton 31%, Edwards 15% |

### Illinois

Illinois winner: Barack Obama Primary date: February 5, 2008 Delegates At Stake 153 Delegates Won To be determined See also
| Poll source | Date | Highlights |
| American Research Group Sample Size: 600 Margin of Error: ±4% | January 30–31, 2008 | Obama 51%, Clinton 40%, someone else 1%, undecided 8% |
| Chicago Tribune/WGN-TV Sample Size: 500 Margin of Error: ±4,4% | January 29–31, 2008 | Obama 55%, Clinton 24%, undecided 20% |
| Rasmussen Reports Sample Size: 631 Margin of Error: ±4% | January 29, 2008 | Obama 60%, Clinton 24%, Edwards 11%, Some Other Candidate 3%, Not Sure 2% |
| Research 2000 Sample Size: 500 Margin of Error: ±4.5% | January 21–24, 2008 | Obama 51%, Clinton 22%, Edwards 15%, Kucinich 2%, Undecided 10% |
| Chicago Tribune/WGN-TV Sample Size: 500 Margin of Error: ±4.4% | December 9–13, 2007 | Obama 50%, Clinton 25%, Edwards 7%, Richardson 2%, Biden 2%, Kucinich 2%, Dodd <1%, undecided 11% |
| American Research Group | July 6–9, 2007 | Obama 37%, Clinton 33%, Edwards 10%, Richardson 4%, Biden 1%, Clark 1%, Dodd 1%, Kucinich 1%, Gravel -, undecided 12% |
| American Research Group | 4–7 January 2007 | Obama 36%, Clinton 30%, Edwards 5%, Biden 3%, Richardson 3%, Dodd 2%, Kerry 2%, Clark 1%, Kucinich 1%, undecided 16% |

### Kansas

Kansas winner: Barack Obama Caucus date: (21 of 40 Delegates) February 5, 2008 Delegates At Stake 21 of 40 Delegates Won To be determined
| Poll source | Date | Highlights |
| Research 2000 | May 21–23, 2007 | Clinton 27%, Obama 22%, Edwards 21%, Richardson 8%, Kucinich 2%, Biden 1%, Dodd 1%, Gravel 1%, Undecided 17% |

### Massachusetts

Massachusetts winner: Hillary Clinton Primary date: February 5, 2008 Delegates At Stake 93 Delegates Won To be determined See also Massachusetts Democratic Presidential Preference
| Poll source | Date | Highlights |
| Survey USA Sampling Size: 651 Margin of Error: ±3.9% | February 2–3, 2008 | Clinton 56%, Obama 39%, Other 3%, Undecided 2% |
| Suffolk University Sampling Size: 400 Margin of Error: ±4.9% | February 1–3, 2008 | Obama 46%, Clinton 44%, Other/Undecided 10% |
| Survey USA Sampling Size: 575 Margin of Error: ±4.1% | January 31, 2008 | Clinton 57%, Obama 33%, Other 7%, Undecided 3% |
| Rasmussen Reports Sampling Size: 1023 Margin of Error: ±3% | January 28, 2008 | Clinton 43%, Obama 37%, Edwards 11%, Other 4%, Undecided 5% |
| Western New England College Sampling Size: 424 Margin of Error: ±5% | January 20–26, 2008 | Clinton 43%, Obama 15%, Edwards 8%, Undecided 31% |
| Survey USA | January 22–23, 2008 | Clinton 59%, Obama 22%, Edwards 11%, Other/Undecided 8% |
| Survey USA Sampling Size: 539 Margin of Error: ±4.3% | January 16, 2008 | Clinton 56%, Obama 23%, Edwards 14%, Other/Undecided 7% |
| State House News Sampling Size: 244 Margin of Error: ±6.2% | January 9–12, 2008 | Clinton 37%, Obama 25%, Edwards 14%, Undecided 11% |
| Suffolk University | April 12–15, 2007 | Clinton 32%, Edwards 19%, Obama 18%, Gore 13%, undecided 12% |
| American Research Group | 2–6 February 2007 | Clinton 35%, Obama 24%, Edwards 19%, Clark 2%, Kucinich 2%, Biden 1%, Dodd 1%, Richardson 1%, undecided 15% |

### Minnesota

Minnesota winner: Barack Obama Primary date: February 5, 2008 Delegates At Stake 72 Delegates Won To be determined
| Poll source | Date | Highlights |
| Minnesota Public Radio and Humphrey Institute Poll Sample Size: 478 Margin of Error: ± 4.5% | January 18, 2008 – January 27, 2008 | Clinton 40%, Obama 33%, Edwards 12%, other 2%, don't know/refused 13% |
| Star Tribune Minnesota Poll Sample Size: 802 Margin of Error: ± 8% | September 18, 2007 – September 23, 2007 | Clinton 47%, Obama 22%, Edwards 16%, Kucinich 2%, Richardson 2%, Biden 1%, Gravel <1%, Dodd 0%, other <1%, none/no preference 4%, don't know/refused 7% |

### Missouri

Missouri winner: Barack Obama Primary date: February 5, 2008 Delegates At Stake 72 Delegates Won To be determined See also
| Poll source | Date | Highlights |
| Survey USA Sampling Size: 671 Margin of Error: ±3.9% | February 2–3, 2008 | Clinton 54%, Obama 43%, Other 3%, Undecided 1% |
| Reuters/C-SPAN/Zogby Sampling Size: 851 Margin of Error: ±3.4% | February 1–3, 2008 | Obama 47%, Clinton 42%, Gravel 1%, Undecided 13% |
| Reuters/C-SPAN/Zogby Sampling Size: 877 Margin of Error: ±3.4% | January 31 – February 2, 2008 | Clinton 45%, Obama 44%, Gravel 1%, Undecided 13% |
| American Research Group Sampling Size: 600 Margin of Error: ±4.0% | January 31 – February 1, 2008 | Obama 44%, Clinton 42%, other 5%, Undecided 9% |
| Mason-Dixon Sampling Size: 400 Margin of Error: ±5% | January 30 – February 1, 2008 | Clinton 47%, Obama 41%, undecided 10% |
| Rasmussen Reports Sampling Size: 507 Margin of Error: ±4.5% | January 31, 2008 | Clinton 47%, Obama 38%, other 11%, Undecided 4% |
| Survey USA Sampling Size: 664 Margin of Error: ±3.9% | January 30–31, 2008 | Clinton 48%, Obama 44%, Other 5%, Undecided 2% |
| Rasmussen Reports Sampling Size: 798 Margin of Error: ±4% | January 24, 2008 | Clinton 43%, Obama 24%, Edwards 18%, Undecided 15% |
| Research 2000 Sampling Size: 500 Margin of Error: ±4.5% | January 21–24, 2008 | Clinton 44%, Obama 31%, Edwards 18%, Kucinich 1%, Undecided 6% |
| Research 2000 Sample Size: 500 | November 16, 2007 | Clinton 36%, Obama 21%, Edwards 20%, Biden 4%, Richardson 3%, Dodd 2%, Kucinich 1%, Gravel -, undecided 13% |
| American Research Group | August 2–6, 2007 | Clinton 40%, Edwards 22%, Obama 15%, Biden 5%, Richardson 4%, Dodd 1%, Kucinich 1%, Clark -, Gravel -, undecided 12% |
| American Research Group | 4–7 January 2007 | Clinton 30%, Obama 18%, Edwards 17%, Vilsack 5%, Kerry 2%, Kucinich 2%, Richardson 2%, Clark 1%, undecided 23% |

### New Jersey

New Jersey winner: Hillary Clinton Primary date: February 5, 2008 Delegates At Stake 107 Delegates Won To be determined See also Strategic Vision PoliticalNew Jersey Democratic Presidential Preference Archived 2008-09-17 at the Wayback Machine
| Poll source | Date | Highlights |
| Rasmussen Reports Sampling Size: 835 Margin of Error: ±3% | February 4, 2008 | Clinton 49%, Obama 43% |
| Survey USA Sampling Size: 706 Margin of Error: ±3.8% | February 2–3, 2008 | Clinton 52%, Obama 41%, Other 4%, Undecided 3% |
| Reuters/C-SPAN/Zogby Sampling Size: 847 Margin of Error: ±3.4% | February 1–3, 2008 | Clinton 43%, Obama 43%, Gravel 2%, Undecided 14% |
| Reuters/C-SPAN/Zogby Sampling Size: 868 Margin of Error: ±3.4% | January 31 – February 2, 2008 | Clinton 43%, Obama 42%, Gravel 2%, Undecided 14% |
| Mason-Dixon Sampling Size: 400 Margin of Error: ±5% | January 30 – February 1, 2008 | Clinton 46%, Obama 39%, undecided 12% |
| Monmouth University/Gannett Sampling Size: 718 Margin of Error: ±3.5% | January 30 – February 1, 2008 | Clinton 50%, Obama 36%, Other/Undecided 14% |
| Greenberg, Quinlan, Rosner Research Inc. Sampling Size: 600 Margin of Error: ±4% | January 30–31, 2008 | Clinton 44%, Obama 38%, Edwards 3%, Biden 1%, Richardson 1%, Kucinich 1%, Other 2%, Undecided 11% |
| Survey USA Sampling Size: 642 Margin of Error: ±3.9% | January 30–31, 2008 | Clinton 51%, Obama 39%, Other/Undecided 10% |
| Rasmussen Reports Sampling Size: 785 Margin of Error: ±4% | January 30, 2008 | Clinton 49%, Obama 37%, Other/Undecided 12% |
| Quinnipiac University Sampling Size: 464 Margin of Error: ±4.6% | January 15–22, 2008 | Clinton 49%, Obama 32%, Edwards 10%, Kucinich 1%, Other 1%, Don't Know 7% |
| Monmouth/Gannett Sampling Size: 475 Margin of Error: ±4.5% | January 9–13, 2008 | Clinton 42%, Obama 30%, Edwards 9%, Kucinich 2%, Other 1%, Don't Know 17% |
| Research 2000/The Record Sampling Size: 400 Margin of Error: ±5% | January 9–10, 2008 | Clinton 48%, Obama 23%, Edwards 11%, Kucinich 2%, Richardson 2%, Gravel 1%, Undecided 13% |
| Quinnipiac University Sample Size: 387 Margin of Error: ± 5% | December 5–9, 2007 | Clinton 51%, Obama 17%, Edwards 7%, Biden 3%, Kucinich 2%, Richardson 1%, Gravel 1%, Dodd -%, Other 2%, undecided 12% |
| Quinnipiac University | October 9–15, 2007 | Clinton 46%, Obama 20%, Edwards 9%, Richardson 3%, Biden 2%, Kucinich 2%, Dodd 1%, Gravel -%, Other 1%, undecided 14% |
| Monmouth University/Gannett New Jersey Poll | September 27–30, 2007 | Clinton 42%, Obama 23%, Edwards 7%, Biden 2%, Kucinich 2%, Richardson 1%, Gore 1%, Dodd 0%, Gravel 0%, Don't Know 21% |
| Strategic Vision | September 28–30, 2007 | Clinton 52%, Obama 21%, Edwards 7%, Richardson 5%, Biden 2%, Dodd 1%, Kucinich 1%, Undecided 11% |
| Quinnipiac University | 18–23 September 2007 | Clinton 46%, Obama 15%, Gore 11%, Edwards 7%, Biden 3%, Richardson 1%, Kucinich 1%, Dodd -%, Other 1%, undecided 12% |
| Strategic Vision | 24–26 August 2007 | Clinton 49%, Obama 22%, Edwards 8%, Richardson 5%, Biden 3%, Kucinich 1%, Dodd 1%, undecided 11% |
| Rutgers-Eagleton | 2–7 August 2007 | Clinton 45%, Obama 21%, Edwards 16%, Biden 4%, Richardson 1%, Kucinich 1%, Dodd 0%, Gravel 0%, Other 1%, undecided 10% |
| Strategic Vision | July 13–15, 2007 | Clinton 46%, Obama 20%, Edwards 10%, Richardson 7%, Biden 3%, Dodd 2%, Kucinich 1%, Gravel -, undecided 11% |
| Quinnipiac University (with Gore) | June 26 – July 2, 2007 | Clinton 37%, Gore 18%, Obama 15%, Edwards 6%, Richardson 4%, Biden 2%, Dodd 1%, Gravel -, Kucinich -, Other 2%, undecided 13% |
| Quinnipiac University (without Gore) | June 26 – July 2, 2007 | Clinton 46%, Obama 19%, Edwards 8%, Richardson 4%, Biden 3%, Dodd 1%, Gravel -, Kucinich -, Other 2%, undecided 15% |
| Strategic Vision (R) | April 25–27, 2007 | Clinton 40%, Obama 23%, Edwards 12%, Biden 5%, Dodd 2%, Richardson 2%, Kucinich 1%, undecided 15% |
| Monmouth University | April 11–16, 2007 | Clinton 41%, Obama 22%, Edwards 13%, Biden 3%, Richardson 2%, Dodd -, Kucinich -, VOL-Al Gore 1%, Don't Know 18% |
| American Research Group | March 29 – April 2, 2007 | Clinton 37%, Obama 23%, Biden 9%, Edwards 9%, Richardson 6%, Dodd 2%, Kucinich 1%, Clark 0%, Gravel 0%, undecided 14% |
| Quinnipiac University | 20–25 February 2007 | Clinton 41%, Obama 19%, Gore 10%, Edwards 5%, Biden 3%, Clark 1%, Richardson 1%, Kucinich 1%, Someone Else 2%, Wouldn't Vote 2%, undecided 15% |
| Quinnipiac University | 16–22 January 2007 | Clinton 30%, Obama 16%, Gore 11%, Edwards 8%, Kerry 6%, Biden 6%, Clark 2%, Richardson 1%, Someone Else 2%, Wouldn't Vote 1%, undecided 17% |

### New Mexico

New Mexico winner: Hillary Clinton Primary date: February 5, 2008 Delegates At Stake 26 Delegates Won To be determined See also New Mexico Democratic Presidential Caucus Preference
| Poll source | Date | Highlights |
| Actual Result (99% precincts reporting) | February 5, 2008 | Clinton 49%, Obama 48%, Edwards 2%, Richardson 1% |
| New Mexico State University Sampling Size: 207 Margin of Error: ±7% | January 22–31, 2008 | Obama 48%, Clinton 42%, Undecided 10% |
| New Mexico State University | April 3–7, 2007 | Richardson 33%, Clinton 23%, Obama 19%, Edwards 18% |
| American Research Group | 4–7 January 2007 | Richardson 28%, Clinton 22%, Obama 17%, Edwards 12%, Clark 5%, Kucinich 3%, Biden 1%, Dodd 1%, Kerry 1%, Vilsack 1%, undecided 10% |

### New York

New York winner: Hillary Clinton Primary date: February 5, 2008 Delegates At Stake 232 Delegates Won To be determined See also PollsterNew York Democratic Presidential Preference Archived 2008-09-17 at the Wayback Machine
| Poll source | Date | Highlights |
| Actual Result (100% precincts reporting) | February 5, 2008 | Clinton 57%, Obama 40%, Edwards 1% |
| Rasmussen Reports Sampling Size: 799 Margin of Error: ±4% | January 31 – February 1, 2008 | Clinton 52%, Obama 34%, Other 8%, Undecided 6% |
| WNBC/Marist College Sampling Size: 660 Margin of Error: ±4% | January 30–31, 2008 | Clinton 54%, Obama 38%, Undecided 8% |
| Survey USA Sampling Size: 950 Margin of Error: ±3,2% | January 30–31, 2008 | Clinton 54%, Obama 38%, Other/Undecided 8% |
| Public Policy Polling (D) Sample Size: 837 Margin of Error: ± 3.4% | January 29, 2008 | Clinton 45%, Obama 33%, Edwards 10%, undecided 13% |
| USA Today/Gallup Sampling Size: 426 Margin of Error: ±5% | January 23–26, 2008 | Clinton 56%, Obama 28%, Edwards 11%, Undecided 5% |
| Quinnipiac University Sampling Size: 544 Margin of Error: ±4.2% | January 14–21, 2008 | Clinton 51%, Obama 25%, Edwards 11%, Kucinich 2%, Undecided 10% |
| Zogby Sampling Size: 425 Margin of Error: ±4.9% | January 19–20, 2008 | Clinton 47%, Obama 26%, Edwards 9%, Kucinich 1%, Gravel <1%, Other/Undecided 16% |
| Rasmussen Reports Sampling Size: 596 Margin of Error: ±4% | January 16–17, 2008 | Clinton 51%, Obama 30%, Edwards 10%, Undecided 9% |
| WNBC/Marist College Sampling Size: 426 Margin of Error: ±5% | January 15–17, 2008 | Clinton 47%, Obama 31%, Edwards 9%, Kucinich 3%, Other 1%, Undecided 7% |
| Siena College Sampling Size: 311 Margin of Error: ±5.6% | January 14–17, 2008 | Clinton 48%, Obama 23%, Edwards 10%, Undecided 19% |
| Survey USA Sampling Size: 957 Margin of Error: ±3.2% | January 9–10, 2008 | Clinton 56%, Obama 29%, Edwards 8%, Other/Undecided 8% |
| Quinnipiac University Sample Size: 461 Margin of Error: ± 4.6% | December 4–10, 2007 | Clinton 55%, Obama 17%, Edwards 7%, Biden 2%, Kucinich 2%, Richardson 2%, Gravel -, Dodd -, Other 1%, undecided 15% |
| Datamar | December 2–8, 2007 | Clinton 44.5%, Edwards 13.0%, Obama 10.8%, Biden 4.4%, Richardson 3.9%, Kucinich 3.2%, Gravel 0.9%, Dodd 0.3%, Undecided 18.9% |
| Datamar | November 1–4, 2007 | Clinton 45.0%, Obama 14.1%, Edwards 9.3%, Biden 5.9%, Kucinich 3.5%, Richardson 2.9%, Dodd 1.7%, Gravel 0.3%, Undecided 17.4% |
| Quinnipiac University | October 9–15, 2007 | Clinton 49%, Obama 12%, Edwards 11%, Biden 2%, Kucinich 2%, Richardson 2%, Dodd 1%, Gravel -, Other 2%, undecided 16% |
| Quinnipiac University | September 24–30, 2007 | Clinton 47%, Obama 15%, Gore 9%, Edwards 7%, Biden 3%, Kucinich 2%, Richardson 1%, Dodd -, Gravel -, Other 2%, undecided 12% |
| Siena College | July 24–28, 2007 | Clinton 48%, Obama 14%, Gore 10%, Edwards 7%, Biden 3%, Kucinich 2%, Richardson 2%, Dodd 1%, undecided 13% |
| Siena College | June 18–21, 2007 | Clinton 43%, Gore 19%, Obama 11%, Edwards 9%, Other 18% |
| Quinnipiac University | June 12–17, 2007 | Clinton 43%, Gore 19%, Obama 14%, Edwards 6%, Richardson 3%, Biden 1%, Kucinich 1%, Dodd -, Gravel -, Other 2%, undecided 10% |
| Siena College | May 18–25, 2007 | Clinton 42%, Gore 13%, Obama 13%, Edwards 7%, Kucinich 4%, Biden 3%, Richardson 3%, Dodd -, undecided 15% |
| Siena College | April 16–20, 2007 | Clinton 39%, Obama 17%, Gore 12%, Edwards 11%, Richardson 4%, Biden 2%, Kucinich 1%, Dodd 0%, undecided 13% |
| NY1 | April 4–7, 2007 | Clinton 49%, Obama 17%, Edwards 11%, Biden 3%, Richardson 2%, Dodd 1%, Other 1%, undecided 14% |
| American Research Group | March 29 – April 2, 2007 | Clinton 41%, Obama 20%, Edwards 16%, Biden 6%, Dodd 3%, Richardson 3%, Clark 0%, Gravel 0%, Kucinich 0%, undecided 12% |
| Quinnipiac University | 29 March–April 1, 2007 | Clinton 44%, Gore 14%, Obama 14%, Edwards 9%, Biden 1%, Kucinich 1%, Richardson 1%, Dodd 0%, Clark 0%, Gravel 0%, Other 1%, undecided 13% |
| Siena College | 26 March 2007 | Clinton 43%, Gore 14%, Obama 11%, Edwards 7%, Richardson 4%, Kucinich 3%, Biden 1%, Dodd 0%, Unsure 17% |
| WNBC/Marist | 20–22 March 2007 | Clinton 44%, Gore 16%, Obama 14%, Edwards 9%, Biden 3%, Richardson 2%, Sharpton 1%, Dodd 1%, Clark <1%, Gravel <1%, Kucinich <1%, Dodd 0%, undecided 10% |
| Quinnipiac University | 14 February 2007 | Clinton 47%, Obama 16%, Gore 11%, Edwards 7%, Kucinich 1%, Dodd 1%, Clark 1%, Richardson 1%, Biden 1% |

### Oklahoma

Oklahoma winner: Hillary Clinton Primary date: February 5, 2008 Delegates At Stake 38 Delegates Won To be determined See also Oklahoma Democratic Presidential Preference
| Poll source | Date | Highlights |
| KFOR/Survey USA Sample Size: 673 Margin of Error: ±3.8% | February 2–3, 2008 | Clinton 54%, Obama 27%, Other 15%, Undecided 3% |
| Tulsa-World/KOTV/Sooner Poll Sample Size: 426 Margin of Error: 4.75% | January 27–30, 2008 | Clinton 41%, Edwards 24%, Obama 17%, Other 2%, Don't Know/Refused 16% |
| KFOR/Survey USA Sample Size: 714 Margin of Error: ±3.7% | January 27, 2008 | Clinton 44%, Edwards 27%, Obama 19%, Other 6%, Undecided 3% |
| KFOR/Survey USA Sample Size: 650 Margin of Error: 3.9% | January 11–13, 2008 | Clinton 45%, Edwards 25%, Obama 19%, Other 7%, Undecided 4% |
| KWTV/TVPoll.com Sample Size: Margin of Error: 2.24% | January 7, 2008 | Clinton 33.7%, Edwards 28.5%, Obama 16.4%, Other 5.4%, Undecided 15.9% |
| Tulsa-World/KOTV/Sooner Poll Sample Size: 380 Margin of Error: 5.03% | December 16–19, 2007 | Clinton 34%, Edwards 25%, Obama 15%, Richardson 4%, Dodd 1%, Kucinich 1%, Don't Know/Refused 20% |
| Tulsa-World/KOTV/Sooner Poll | April 27–30, 2007 | John Edwards 29%, Clinton 29%, Obama 13%, Richardson 8%, Biden 3%, Dodd 1%, Don't Know/Refused 17% |
| American Research Group | 8–13 February 2007 | Clinton 40%, Edwards 16%, Obama 15%, Biden 3%, Clark 2%, Richardson 2%, Vilsack 2%, Dodd 1%, Gravel 1%, Kucinich 1%, undecided 18% |
| Tulsa-World/KOTV/Sooner Poll | 3 February 2007 | Clinton 28%, Edwards 23%, Obama 14% |

### Tennessee

Tennessee winner: Hillary Clinton Primary date: February 5, 2008 Delegates At Stake 68 Delegates Won To be determined
| Poll source | Date | Highlights |
| Insider Advantage Sampling Size: 485 | February 2, 2008 | Clinton 55.4%, Obama 34.6%, Other 3.5%, undecided 6.5% |
| Rasmussen Reports Sampling Size: 448 | January 30, 2008 | Clinton 49%, Obama 35%, other 16%, undecided 4% |
| Insider Advantage Sampling Size: 463 Margin of Error: ±4.5% | January 30, 2008 | Clinton 59%, Obama 26%, Other 7%, undecided 8% |
| WSMV/Crawford Johnson & Northcott Sampling Size: 402 Margin of Error: ±5% | January 28–29, 2008 | Clinton 36%, Obama 31%, Edwards 7%, Other 1%, Undecided 25% |
| WSMV/Crawford, Johnson & Northcott Sampling Size: 503 Margin of Error: ±5% | January 19–21, 2008 | Clinton 34%, Obama 20%, Edwards 16%, Other 2%, Undecided 28% |
| Insider Advantage (without Gore) | 31 March–April 1, 2007 | Clinton 35%, Edwards 20%, Obama 20%, Undisclosed Remaining Percent 25% |
| Insider Advantage (with Gore) | 31 March–April 1, 2007 | Clinton 28%, Gore 25%, Undisclosed Remaining Percent 47% |

### Utah

Utah winner: Obama Primary date: February 5, 2008 Delegates At Stake 23 Delegates Won To be determined See also Utah Democratic Presidential Preference
| Poll source | Date | Highlights |
| Deseret Morning News/KSL-TV Margin of Error: ±6.5% | January 30 – February 1, 2008 | Obama 53%, Clinton 29%, Other/Undecided 18% |
| American Research Group | 8–13 February 2007 | Clinton 31%, Obama 18%, Vilsack 16%, Edwards 9%, Dodd 3%, Biden 2%, Clark 1%, Kucinich 1%, Richardson 1%, undecided 20% |