# Statewide opinion polling for the January 2008 Democratic Party presidential primaries

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

## Polling
### Iowa

Iowa winner: Barack Obama Primary date: January 3, 2008 Delegates At Stake 45 Delegates Won Barack Obama-16 Hillary Clinton-15 John Edwards-14
See also
| Poll source | Date | Highlights |
| Actual Result (100% precincts reporting) | January 3, 2008 | Obama 38%, Edwards 30%, Clinton 29%, Richardson 2%, Biden 1% |
| American Research Group Sample Size: 600 Margin of Error: ± 4% | December 31, 2007 – January 2, 2008 | Clinton 34%, Obama 25%, Edwards 21%, Biden 8%, Richardson 6%, Dodd 2%, Kucinich 1%, Gravel 1%, Undecided 3% |
| Reuters/Zogby Sample Size: 905 Margin of Error: ± 3.3% | December 30, 2007 – January 2, 2008 | Obama 31%, John Edwards 27%, Clinton 24%, Richardson 7%, Biden 5%, Dodd 1%, Kucinich <1%, Undecided 5% |
| Reuters/Zogby Sample Size: 933 Margin of Error: ± 3.3% | December 29, 2007 – January 1, 2008 | Obama 28%, Clinton 28%, John Edwards 26%, Richardson 7%, Biden 4%, Dodd 1%, Kucinich 1% |
| Strategic Vision Sample Size: 600 Margin of Error: ±4.5% | December 28–30, 2007 | Obama 32%, Edwards 29%, Clinton 27%, Biden 5%, Richardson 2%, Dodd 1%, Kucinich 1%, Undecided 3% |
| Zogby Sample Size: 934 Margin of Error: ± 3.3% | December 28–31, 2007 | Clinton 30%, Obama 26%, Edwards 25%, Biden 5%, Richardson 5%, Dodd 1%, Kucinich <1%, Undecided 7% |
| Des Moines Register Sample Size: 800 Margin of Error: ± 3.5% | December 27–30, 2007 | Obama 32%, Clinton 25%, Edwards 24%, Richardson 6%, Biden 4% |
| CNN Sample Size: 482 Margin of Error: ± 4.5% | December 26–30, 2007 | Clinton 33%, Obama 31%, Edwards 22%, Richardson 5%, Biden 5% |
| Insider Advantage Sample Size: 788 Margin of Error: ± 3.4% | December 26–29, 2007 | Clinton 30%, Edwards 29%, Obama 22% |
| Reuters/Zogby Sample Size: 899 Margin of Error: ± 3.3% | December 27–30, 2007 | Clinton 30%, Obama 26%, Edwards 26% |
| Zogby Sample Size: 934 Margin of Error: ± 3.3% | December 26–29, 2007 | Clinton 31%, Obama 27%, Edwards 24%, Biden 5%, Richardson 5%, Dodd 1%, Kucinich <1%, Undecided 6% |
| MSNBC/Mason-Dixon Sample Size: 400 Margin of Error: 5% | December 26–28, 2007 | Edwards 24%, Clinton 23%, Obama 22%, Richardson 12%, Biden 8% |
| MSNBC/Mason-Dixon(Second Choice, cumulative) Sample Size: 400 Margin of Error: 5% | December 26–28, 2007 | Edwards 33%, Obama 26%, Clinton 26% |
| American Research Group Sample Size: 600 Margin of Error: ± 4% | December 26–28, 2007 | Clinton 31%, Obama 24%, Edwards 24%, Biden 5%, Richardson 5%, Dodd 3%, Kucinich 1%, Gravel -, Undecided 7% |
| Research 2000/Sioux City Journal Sample Size: 500 Margin of Error: ±4.5% | December 26–27, 2007 | Obama 29%, Edwards 29%, Clinton 28%, Richardson 7%, Biden 3%, Dodd 1%, Kucinich 1%, Undecided 2% |
| Strategic Vision Sample Size: 600 Margin of Error: ±4.5% | December 26–27, 2007 | Obama 30%, Clinton 29%, Edwards 28%, Biden 5%, Richardson 2%, Dodd 1%, Kucinich 1%, Undecided 4% |
| LA Times/Bloomberg (registered voters) Sample Size: 2,145(total poll) Margin of Error: ±4% | December 20–26, 2007 | Clinton 29%, Obama 26%, Edwards 25% |
| LA Times/Bloomberg (Likely Caucus Goers) Sample Size: 389 Margin of Error: ±4% | December 20–26, 2007 | Clinton 31%, Edwards 25%, Obama 22% |
| American Research Group Sample Size: 600 Margin of Error: ± 4% | December 20–23, 2007 | Clinton 34%, Edwards 20%, Obama 19%, Biden 8%, Richardson 5%, Dodd 2%, Kucinich 2%, Gravel -, Undecided 10% |
| American Research Group | December 16–19, 2007 | Clinton 29%, Obama 25%, Edwards 18%, Biden 8%, Richardson 7%, Dodd 3%, Kucinich 2%, Gravel -, Undecided 8% |
| Strategic Vision | December 16–18, 2007 | Obama 30%, Clinton 27%, Edwards 27%, Biden 5%, Richardson 3%, Kucinich 1%, Dodd 1%, Undecided 6% |
| CNN/Opinion Research | December 14–18, 2007 | Clinton 30%, Obama 28%, Edwards 26%, Richardson 7%, Biden 3% |
| Rassmusen | December 17, 2007 | Clinton 31%, Obama 27%, Edwards 22%, Richardson 9%, Biden 5% |
| InsiderAdvantage (highly likely voters) | December 16–17, 2007 | Obama 26.6%, Edwards, 26.0%, Clinton 23.8% |
| InsiderAdvantage (likely voters) | December 16–17, 2007 | Edwards 29.8%, Clinton 26.4%, Obama 24.3% |
| ABC/Washington Post (reallocating support for non-viable candidates) | December 13–17, 2007 | Obama 37%, Clinton 31%, Edwards 26% |
| ABC/Washington Post ("absolutely certain" caucus-goers) | December 13–17, 2007 | Obama 35%, Clinton 26%, Edwards 20% |
| ABC/Washington Post (all caucus-goers) | December 13–17, 2007 | Obama 33%, Clinton 29%, Edwards 20%, Richardson 8%, Biden 4%, Kucinich 1%, Dodd 1%, No opinion 3% |
| Research 2000/Quad City Times | December 10–13, 2007 | Obama 33%, Clinton 24%, Edwards 24%, Richardson 9%, Biden 3%, Dodd 1%, Kucinich 1% |
| Diageo/The Hotline/FD | December 7–12, 2007 | Obama 27%, Clinton 27%, Edwards 22%, Richardson 8%, Biden 5% |
| Rasmussen Reports | December 10, 2007 | Clinton 29%, Obama 26%, Edwards 22%, Richardson 7%, Biden 5%, Other 3% |
| Strategic Vision | December 8–10, 2007 | Obama 33%, Clinton 25%, Edwards 24%, Richardson 4%, Biden 4%, Dodd 1%, Kucinich 1%, Undecided 8% |
| Newsweek (Likely caucus-goers) | December 5–6, 2007 | Obama 35%, Clinton 29%, Edwards 18% |
| Newsweek (All Democratic voters) | December 5–6, 2007 | Clinton 30%, Obama 29%, Edwards 21% |
| Global Strategy Group/Edwards Campaign Internal Poll | December 2–5, 2007 | Clinton 27% (26%), Edwards 24% (25%), Obama 22% (23%), Richardson 9% (8%), Biden 6% (7%), Kucinich 2%, Dodd 1%, Gravel -, Undecided 9% |
| Mason-Dixon | December 3–6, 2007 | Clinton 27%, Obama 25%, Edwards 21%, Richardson 9%, Biden 5% |
| Strategic Vision | November 30 – December 2, 2007 | Obama 32%, Edwards 25%, Clinton 25%, Biden 5%, Richardson 3%, Dodd 1%, Kucinich 1%, Gravel -, Undecided 8% |
| American Research Group | November 26–29, 2007 | Obama 27%, Clinton 25%, Edwards 23%, Biden 8%, Richardson 4%, Dodd 3%, Kucinich 2%, Gravel -, Other 2% |
| Des Moines Register Poll | November 25–28, 2007 | Obama 28%, Clinton 25%, Edwards 23%, Richardson 9%, Biden 6% |
| Rasmussen Reports | November 26–27, 2007 | Clinton 27%, Obama 25%, Edwards 24%, Richardson 10%, Biden 4%, Other 2% |
| Strategic Vision | November 23–25, 2007 | Obama 29%, Clinton 29%, Edwards 23%, Richardson 6%, Biden 4%, Dodd 1%, Kucinich 1%, Undecided 7% |
| ABC News/Washington Post | November 14–18, 2007 | Obama 30%, Clinton 26%, Edwards 22%, Richardson 11%, Biden 4%, Kucinich 2%, Dodd 1%, Gravel -%, No Opinion 3%, Other 1% |
| KCCI Des Moines | November 12–14, 2007 | Clinton 27%, Obama 25%, Edwards 21%, Richardson 10%, Biden 4%, Dodd 1%, Kucinich 1%, Gravel -%, Undecided 11% |
| American Research Group | November 10–14, 2007 | Clinton 27%, Obama 21%, Edwards 20%, Richardson 12%, Biden 5%, Dodd 3%, Kucinich 2%, Gravel -%, Undecided 10% |
| Rasmussen Reports | November 12, 2007 | Clinton 29%, Edwards 25%, Obama 24%, Richardson 10%, Biden 3%, Other 3% |
| Strategic Vision | November 9–12, 2007 | Clinton 29%, Obama 27%, Edwards 20%, Richardson 7%, Biden 5%, Dodd 1%, Kucinich 1%, Undecided 10% |
| CBS/New York Times | November 2–11, 2007 | Clinton 25%, Edwards 23%, Obama 22%, Richardson 12%, Biden 4%, Kucinich 1%, Dodd 1%, Undecided 12% |
| American Research Group | October 26–29, 2007 | Clinton 32%, Obama 22%, Edwards 15%, Richardson 7%, Biden 5%, Dodd 2%, Kucinich 1%, Gravel -%, Undecided 16% |
| University of Iowa | October 17–24, 2007 | Clinton 28.9%, Obama 26.6%, Edwards 20.0%, Richardson 7.2%, Biden 5.3%, Don't know 8.9%, Others 3.3% |
| Strategic Vision | October 12–14, 2007 | Clinton 28%, Obama 23%, Edwards 20%, Richardson 9%, Biden 6%, Kucinich 1%, Dodd 1%, Undecided 12% |
| Rasmussen Reports | October 10 & October 14, 2007 | Clinton 33%, Edwards 22%, Obama 21%, Richardson 9%, Biden 4%, Other 2% |
| Des Moines Register | October 1–3, 2007 | Clinton 29%, Edwards 23%, Obama 22%, Richardson 8%, Biden 5%, Kucinich 1%, Dodd 1%, Gravel -%, Undecided 11% |
| American Research Group | September 26–29, 2007 | Clinton 30%, Obama 24%, Edwards 19%, Richardson 10%, Biden 3%, Kucinich 1%, Dodd 1%, Gravel -%, Undecided 13% |
| Newsweek (All Democratic voters) | September 26–27, 2007 | Clinton 31%, Obama 25%, Edwards 21%, Richardson 6%, Biden 3%, Kucinich 1%, Dodd 1%, Gravel 0%, Undecided 12% |
| Newsweek (Likely caucus-goers) | September 26–27, 2007 | Obama 28%, Clinton 24%, Edwards 22%, Richardson 10%, Biden 5%, Kucinich 1%, Dodd 1%, Gravel 0%, Undecided 9% |
| Los Angeles Times/Bloomberg | September 6–10, 2007 | Clinton 28%, Edwards 23%, Obama 19%, Richardson 10%, Biden 2%, Kucinich 2%, Dodd 1%, Gravel 0.5%, Undecided 16% |
| Los Angeles Times/Bloomberg (Democrats only) | September 6–10, 2007 | Clinton 33%, Edwards 24%, Obama 13%, Richardson 11% |
| American Research Group | August 26–29, 2007 | Clinton 28%, Obama 23%, Edwards 20%, Richardson 13%, Kucinich 3%, Biden 1%, Dodd 1%, Gravel -, undecided 11% |
| Time | August 22–26, 2007 | Edwards 29%, Clinton 24%, Obama 22%, Richardson 11%, Biden 5%, Kucinich 2%, Dodd 1%, Gravel -, Other -, undecided 6% |
| Zogby International | August 17–19, 2007 | Clinton 30%, Edwards 23%, Obama 19%, Richardson 10%, Biden 3%, Kucinich 1%, Dodd <1%, Gravel <1%, undecided 13% |
| Strategic Vision | August 17–19, 2007 | Edwards 23%, Obama 22%, Clinton 21%, Richardson 14%, Biden 5%, Dodd 1%, Kucinich 1%, undecided 13% |
| University of Iowa (most likely caucus goers only) | July 29 – August 5, 2007 | Edwards 26.0%, Clinton 24.8%, Obama 19.3%, Richardson 9.4%, Other 4.1%, undecided 14.4% |
| University of Iowa (all caucus goers) | July 29 – August 5, 2007 | Clinton 26.8%, Obama 22.3%, Edwards 22.1%, Richardson 8.5%, Other 4.1%, Don't Know 16.2% |
| University of Iowa (self-identified Democrats – volunteered response) | July 29 – August 5, 2007 | Clinton 30.0%, Obama 20.4%, Edwards 16.1%, Richardson 5.5%, Dodd -, Biden -, Kucinich -, Other 2.8%, Don't Know 22.7% |
| University of Iowa (all voters – volunteered response) | July 29 – August 5, 2007 | Clinton 18.0%, Obama 13.8%, Edwards 8.9%, Richardson 3.5%, Dodd -, Biden -, Kucinich -, Republican candidate 17.0%, Other 2.6%, Don't Know 30.7% |
| Hart (D)/McLaughlin (R) | 2–3 August 2007 | Edwards 30%, Clinton 22%, Obama 18%, Richardson 13%, Biden 5%, Kucinich 1%, Dodd 0%, Gravel 0%, undecided 11% |
| ABC News/Washington Post | July 26–31, 2007 | Obama 27%, Clinton 26%, Edwards 26%, Richardson 11%, Kucinich 2%, Biden 2%, Dodd 1%, Gravel 0% |
| American Research Group | July 26–30, 2007 | Clinton 30%, Edwards 21%, Obama 15%, Richardson 13%, Biden 3%, Kucinich 2%, Dodd 1%, Clark -, Gravel -, undecided 15% |
| Research 2000 | July 23–25, 2007 | Edwards 27%, Clinton 22%, Obama 17%, Richardson 11% |
| American Research Group | June 26–30, 2007 | Clinton 32%, Edwards 29%, Obama 13%, Richardson 5%, Biden 2%, Dodd 2%, Kucinich 1%, Clark 1%, Gravel 1%, undecided 14% |
| Strategic Vision (R) | June 22–24, 2007 | Edwards 26%, Obama 21%, Clinton 20%, Richardson 11%, Biden 4%, Dodd 2%, Kucinich 1%, undecided 15% |
| Fairbank, Maslin, Maullin and Associates (Richardson) (LIKELIEST Caucus Goers) | June 18–20, 2007 | Edwards 31%, Clinton 23%, Richardson 18%, Obama 16%, Biden 3%, Dodd 0%, Other 1%, undecided 8% |
| Mason-Dixon | June 16, 2007 | Clinton 22%, Edwards 21%, Obama 18%, Richardson 6%, undecided 25% |
| Public Policy Polling (D) | May 30, 2007 | Edwards 31%, Clinton 17%, Obama 17%, Richardson 10%, Biden 4%, Kucinich 2%, Dodd 1%, Gravel 0%, undecided 17% |
| American Research Group | May 23–25, 2007 | Clinton 31%, Edwards 25%, Obama 11%, Richardson 8%, Kucinich 4%, Biden 3%, Dodd 2%, Clark 1%, Gravel 1%, undecided 14% |
| Strategic Vision (R) | May 18–20, 2007 | Edwards 29%, Obama 24%, Clinton 16%, Richardson 9%, Biden 3%, Dodd 2%, Kucinich 1%, undecided 16% |
| Des Moines Register | May 19, 2007 | Edwards 29%, Obama 23%, Clinton 21%, Richardson 10%, Biden 3%, Kucinich 2%, Gravel 1%, Dodd 0%, Uncommitted/Unsure 11% |
| Research 2000 | May 14–16, 2007 | Clinton 28%, Edwards 26%, Obama 22%, Richardson 7%, Kucinich 2%, Biden 2%, Dodd 2%, Gravel 1%, undecided 10% |
| Zogby | May 14–15, 2007 | Edwards 26%, Clinton 24%, Obama 22%, Richardson 6%, Biden 4%, Kucinich 1%, Dodd -, Not Sure 16% |
| American Research Group | April 27–30, 2007 | Edwards 27%, Clinton 23%, Obama 17%, Biden 6%, Richardson 5%, Dodd 2%, Kucinich 2%, Clark -, Gravel -, undecided 16% |
| Strategic Vision (R) | 30 March–April 1, 2007 | Edwards 27%, Obama 20%, Clinton 19%, Richardson 4%, Biden 4%, Clark 1%, Kucinich 1%, Dodd 1%, undecided 23% |
| University of Iowa (Likely Caucus Goers) | 19–31 March 2007 | Edwards 34.2%, Clinton 28.5%, Obama 19.3%, 12.5% Undecided |
| Zogby | 26 March 2007 | Edwards 27%, Clinton 25%, Obama 23%, Richardson 3%, Biden 3%, Kucinich 1%, Dodd 1%, Not Sure 15% |
| American Research Group | 19–22 March 2007 | Clinton 34%, Edwards 33%, Obama 16%, Biden 2%, Clark 2%, Dodd 1%, Kucinich 1%, Richardson 1%, Gravel 0%, undecided 10% |
| University of Iowa | 22–25 March 2007 | Edwards 36.4%, Clinton 33.9%, Obama 14.4% |
| University of Iowa | 19–21 March 2007 | Edwards 30.2%, Clinton 24.4%, Obama 22.1% |
| American Research Group | Feb, 2007 | Clinton 31%, Edwards 27%, Obama 23%, Kucinich 1%, Biden 2%, Clark 1%, Dodd 1%, Richardson 1%, Gravel 0%, undecided 14% |
| Strategic Vision | 16–18 February 2007 | Edwards 24%, Clinton 18%, Vilsack 18%, Obama 18%, Biden 5%, Richardson 3%, Clark 2%, Dodd 1%, Kucinich 1%, undecided 14% |
| Zogby International | 7–8 February 2007 | Clinton 24%, Edwards 24%, Obama 18%, Vilsack 9%, Biden 4% |
| American Research Group | 29 January – 1 February 2007 | Clinton 35%, Edwards 18%, Obama 14%, Vilsack 12%, Kucinich 2%, Biden 2%, Clark 2%, Dodd 1%, Richardson 1%, Gravel 0%, undecided 13% |
| Strategic Vision Political | 19–21 January 2007 | Edwards 25%, Obama 17%, Vilsack 16%, Clinton 15%, Biden 4%, John Kerry 3%, Clark 2%, Richardson 1%, Dodd 1%, Kucinich 1%, undecided 15% |
| Zogby International | 15–16 January 2007 | Edwards 27%, Obama 17%, Vilsack 16%, Clinton 16%, Biden 3%, John Kerry 3%, Kucinich 1%, Richardson 1% |
| American Research Group | 19 December-23, 2006 | Clinton 31%, Edwards 20%, Vilsack 17%, Obama 10%, Kucinich 5%, Biden 2%, Dodd 2%, John Kerry 2%, Clark 1%, Gravel 1%, Richardson 1% |
| KCCI-TV | 18 December-20, 2006 | Edwards 22%, Obama 22%, Vilsack 12%, Clinton 10%, Al Gore 7%, John Kerry 5% |

### New Hampshire

New Hampshire winner: Hillary Clinton Primary date: January 9, 2008 Delegates At Stake 22 Delegates Won Hillary Clinton-9 Barack Obama-9 John Edwards-4
See also
| Poll source | Date | Highlights |
| Actual Result (100% precincts reporting) | January 8, 2008 | Clinton 39%, Obama 37%, Edwards 17%, Richardson 5%, Kucinich 1%, Biden <1%, Gravel <1%, Dodd <1% |
| Reuters/C-SPAN/Zogby Poll Sample Size: 862 Margin of Error: ±3.4% | January 5–7, 2008 | Obama 42%, Clinton 29%, Edwards 17%, Richardson 5%, Kucinich 2% |
| Rasmussen Reports Sample Size: 1774 Margin of Error: ±2% | January 5–7, 2008 | Obama 37%, Clinton 30%, Edwards 19%, Richardson 7%, Kucinich 3% |
| Rasmussen Reports Sample Size: 1203 Margin of Error: ±3% | January 5–6, 2008 | Obama 38%, Clinton 28%, Edwards 18%, Richardson 8%, Kucinich 4%, Gravel 0% |
| Marist College Institute for Public Opinion (likely voters) Sample Size: 636 Margin of Error: ±4% | January 5–6, 2008 | Obama 34%, Clinton 28%, Edwards 21%, Richardson 7%, Kucinich 3%, Other <1%, Undecided 7% |
| Marist College Institute for Public Opinion (likely w/leaners) Sample Size: 788 | January 5–6, 2008 | Obama 36%, Clinton 28%, Edwards 22%, Richardson 7%, Kucinich 3%, Other <1%, Undecided 4% |
| CNN/WMUR/University of New Hampshire Poll Sample Size: 341 Margin of Error: ±5% | January 5–6, 2008 | Obama 39%, Clinton 29%, Edwards 16%, Richardson 7%, Kucinich 2% |
| Reuters/C-SPAN/Zogby Sample Size: 844 Margin of Error: ±3.4% | January 4–6, 2008 | Obama 39%, Clinton 29%, Edwards 19%, Richardson 6%, Kucinich 2%, Undecided 6% |
| USA Today/Gallup Poll Sample Size: 778 Margin of Error: ±4% | January 4–6, 2008 | Obama 41%, Clinton 28%, Edwards 19%, Richardson 6%, No one else above 3% |
| Strategic Vision Sampling Size: 600 Margin of Error: ±4.5% | January 4–6, 2008 | Obama 38%, Clinton 29%, Edwards 19%, Richardson 7%, Kucinich 1%, Undecided 6% |
| Fox News/Opinion Dynamics Sampling Size: 500 Margin of Error: ±4% | January 4–6, 2008 | Obama 32%, Clinton 28%, Edwards 18%, Richardson 6%, Kucinich 2%, Gravel 1%, Other 1%, Don't know 12% |
| Franklin Pierce University/WBZ Sampling Size: 403 Margin of Error: ±4.9% | January 4–6, 2008 | Obama 34%, Clinton 31%, Edwards 20%, Richardson 6%, Kucinich 1%, Undecided 7% |
| Rasmussen Reports Daily Poll Sample Size: 1,240 Margin of Error: ±3% | January 4–5, 2008 | Obama 39%, Clinton 27%, Edwards 18%, Richardson 8%, Kucinich 3% |
| American Research Group Sample Size: 600 Margin of Error: ±4% | January 4–5, 2008 | Obama 38%, Clinton 26%, Edwards 20%, Gravel 3%, Richardson 3%, Kucinich 1%, Undecided 9% |
| Concord Monitor Sample Size: 400 Margin of Error: ±5% | January 4–5, 2008 | Obama 34%, Clinton 33%, Edwards 23%, Richardson 4%, Kucinich 3% |
| CNN/WMUR Sample Size: 359 Margin of Error: ±5% | January 4–5, 2008 | Obama 33%, Clinton 33%, Edwards 20%, Richardson 4% |
| Suffolk University/WHDH 7 Sampling Size: 500 | January 4–5, 2008 | Clinton 35%, Obama 33%, Edwards 14%, Richardson 5%, Kucinich 1%, Gravel 1%, Undecided 11%, Refused 1% |
| Reuters/C-SPAN/Zogby Poll Sample Size: 844 Margin of Error: ±3.4% | January 2–5, 2008 | Clinton 31%, Obama 30%, Edwards 20%, Richardson 7%, Kucinich 3%, Biden 1%, Dodd 1% |
| Rasmussen Reports Daily Poll Sample Size: 510 Margin of Error: ±4.5% | January 4, 2008 | Obama 37%, Clinton 27%, Edwards 19%, Richardson 8%, Kucinich 3%, Gravel 1% |
| Suffolk University/WHDH 7 Sampling Size: 499 | January 3–4, 2008 | Clinton 37%, Obama 25%, Edwards 15%, Richardson 4%, Biden 2%, Kucinich 1%, Undecided 12%, Refused 2% |
| Mason-Dixon/McClatchy/MSNBC/Miami Herald Poll | January 2–4, 2008 | Obama 33%, Clinton 31%, Edwards 17%, Richardson 7%, Kucinich 1%, Gravel 0%, Undecided 8% |
| Zogby Sampling Size: 893 Margin of Error: ±3.3% | January 1–4, 2008 | Clinton 32%, Obama 28%, Edwards 20%, Richardson 7%, Kucinich 3%, Biden 2%, Dodd 1%, Undecided 7% |
| Zogby Sample Size: 960 Margin of Error: ±3.2% | December 312007 – January 32008 | Clinton 32%, Obama 26%, Edwards 20%, Richardson 7%, Kucinich 3%, Biden 2%, Dodd 1%, Undecided 8% |
| Franklin Pierce Sample Size: 403 Margin of Error: ±4.9% | December 27–31, 2007 | Clinton 32%, Obama 28%, Edwards 19%, Richardson 8%, Biden 3%, Kucinich 1%, Dodd 1%, Gravel 0%, Undecided 8% |
| CNN/University of New Hampshire Sample Size: 521 Margin of Error: ±5% | December 27–30, 2007 | Clinton 34%, Obama 30%, Edwards 17%, Richardson 5%, Biden 3%, Kucinich 2%, No opinion 8% |
| American Research Group Sample Size: 600 Margin of Error: ±4% | December 27–29, 2007 | Clinton 31%, Obama 27%, Edwards 21%, Richardson 5%, Biden 3%, Kucinich 3%, Dodd 1%, Gravel 1%, Undecided 8% |
| LA Times/Bloomberg (Likely Voters) Sample Size: 361 Margin of Error: ±4% | December 20–26, 2007 | Obama 32%, Clinton 30%, Edwards 20%, Richardson 4%, Biden 1% |
| Boston Globe/NH University Sample Size: 422 Margin of Error: ± 4.9% | December 16–20, 2007 | Obama 30%, Clinton 28%, Edwards 14%, Richardson 7%, Undecided 20% |
| USA Today/Gallup | December 17–19, 2007 | Obama 32%, Clinton 32%, Edwards 18%, Richardson 8%, Biden 4%, Kucinich 3%, Dodd 1%, Gravel 0%, No opinion 3% |
| American Research Group Sample Size: 600 Margin of Error: ±4% | December 16–19, 2007 | Clinton 38%, Obama 24%, Edwards 15%, Richardson 5%, Biden 4%, Kucinich 2%, Dodd 2%, Gravel 1%, Undecided 9% |
| Rasmussen Reports | December 18, 2007 | Clinton 31%, Obama 28%, Edwards 18%, Richardson 8%, Kucinich 3%, Biden 2%, Dodd 1%, Gravel 0% |
| Concord Monitor/Research 2000 | December 10–12, 2007 | Obama 32%, Clinton 31%, Edwards 18%, Richardson 8%, Kucinich 3%, Biden 2%, Dodd 1%, Undecided 5% |
| Rasmussen Reports | December 11, 2007 | Obama 31%, Clinton 28%, Edwards 17%, Richardson 8%, Biden 4%, Kucinich 3%, Gravel 1%, Dodd 0% |
| CNN/WMUR | December 6–10, 2007 | Clinton 31%, Obama 30%, Edwards 16%, Richardson 7% |
| Mason-Dixon | December 3–6, 2007 | Clinton 30%, Obama 27%, Edwards 10%, Richardson 7%, Biden 3%, Kucinich 3%, Dodd 1%, Gravel -%, Undecided 19% |
| ABC News/Washington Post | November 29 – December 3, 2007 | Clinton 35%, Obama 29%, Edwards 17%, Richardson 10%, Kucinich 3%, Biden 2%, Dodd 1%, Gravel 0%, Undecided 3% |
| American Research Group | November 26–29, 2007 | Clinton 34%, Obama 23%, Edwards 17%, Richardson 10%, Biden 3%, Dodd 2%, Kucinich 2%, Gravel 1%, Undecided 8% |
| Rasmussen Reports | November 29, 2007 | Clinton 33%, Obama 26%, Edwards 15%, Richardson 9%, Kucinich 4%, Biden 4%, Dodd 1%, Gravel 0% |
| CNN/WMUR | November 14–18, 2007 | Clinton 36%, Obama 22%, Edwards 12%, Richardson 12%, Kucinich 3%, Biden 2%, Dodd 1%, Gravel 0%, Undecided 11% |
| CBS/New York Times | November 2–11, 2007 | Clinton 37%, Obama 22%, Edwards 9%, Richardson 6%, Kucinich 5%, Biden 2%, Dodd 1%, Undecided 18% |
| Boston Globe (UNH) | November 2–7, 2007 | Clinton 35%, Obama 21%, Edwards 15%, Richardson 10%, Other 8%, Undecided 12% |
| Marist College | November 2–6, 2007 | Clinton 36%, Obama 25%, Edwards 14%, Richardson 6%, Kucinich 3%, Biden 2%, Dodd 1%, Gravel <1% Undecided 13% |
| Rasmussen | November 5, 2007 | Clinton 34%, Obama 24%, Edwards 15%, Richardson 8%, Biden 3%, Dodd 3%, Kucinich 2%, Gravel 1% |
| American Research Group | October 26–29, 2007 | Clinton 40%, Obama 22%, Edwards 10%, Richardson 5%, Biden 4%, Dodd 3%, Kucinich 3%, Gravel -%, Undecided 13% |
| Rasmussen | October 23, 2007 | Clinton 38%, Obama 22%, Edwards 14%, Richardson 7%, Kucinich 7%, Biden 2%, Dodd 2%, Gravel 2%, Undecided 6% |
| Marist College Institute for Public Opinion (Likely Voters) | October 5–7, 2007 | Clinton 41%, Obama 20%, Edwards 11%, Richardson 8%, Biden 3%, Kucinich 3%, Dodd 2%, Gravel <1%, Undecided 12% |
| American Research Group | September 26–29, 2007 | Clinton 41%, Obama 22%, Edwards 10%, Richardson 8%, Biden 2%, Dodd 2%, Kucinich 2%, Gravel -%, Undecided 12% |
| Zogby | September 26–28, 2007 | Clinton 38%, Obama 23%, Edwards 12%, Richardson 8%, Kucinich 3%, Biden 2%, Dodd 2%, Gravel <1%, Undecided 10% |
| Rasmussen Reports | September 16, 2007 | Clinton 40%, Obama 17%, Edwards 14%, Richardson 11%, Biden 5%, Some Other Candidates 14% |
| Franklin Pierce University /WBZ Poll | September 11–14, 2007 | Clinton 36%, Obama 18%, Edwards 12%, Richardson 10%, Al Gore 5%, Kucinich 3%, Biden 3%, Dodd 1%, Gravel 1%, Undecided 11% |
| Los Angeles Times/Bloomberg | September 6–10, 2007 | Clinton 35%, Edwards 16%, Obama 16%, Richardson 8%, Kucinich 3%, Biden 3%, Gravel <0.05%, Dodd <0.05%, Undecided 17% |
| Los Angeles Times/Bloomberg (Democrats only) | September 6–10, 2007 | Clinton 40%, Obama 17%, Edwards 13% |
| American Research Group | August 26–29, 2007 | Clinton 37%, Obama 17%, Edwards 14%, Richardson 7%, Biden 4%, Dodd 2%, Kucinich 2%, Gravel 1%, |
| Rasmussen Reports | August 9, 2007 | Clinton 37%, Obama 22%, Edwards 14%, Richardson 9%, Kucinich 4%, Biden 2%, Dodd% -, Gravel -, undecided 11% |
| American Research Group | July 26–30, 2007 | Clinton 31%, Obama 31%, Edwards 14%, Richardson 7%, Biden 2%, Dodd 1%, Kucinich 1%, Clark -, Gravel -, undecided 13% |
| Hart-McLaughlin | July 24–26, 2007 | Clinton 36%, Obama 19%, Edwards 15%, Richardson 12%, Biden 2%, Kucinich 2%, Dodd 1%, Gravel 0%, undecided 13% |
| CNN/WMUR/UNH Gore Excluded | July 9–17, 2007 | Clinton 36%, Obama 27%, Richardson 11%, Edwards 9%, Biden 4%, Kucinich 3%, Dodd -, Gravel -, undecided 9% |
| CNN/WMUR/UNH Gore Included | July 9–17, 2007 | Clinton 33%, Obama 25%, Richardson 10%, Edwards 8%, Al Gore 8%, Biden 3%, Kucinich 3%, Dodd -, Gravel -, undecided 9% |
| Research 2000 Gore Excluded | July 9–11, 2007 | Clinton 33%, Obama 25%, Edwards 15%, Richardson 7%, Dodd 3%, Biden 2%, Kucinich 2%, Gravel 1% |
| Research 2000 Gore Included | July 9–11, 2007 | Clinton 27%, Obama 23%, Al Gore 14%, Edwards 10%, Richardson 8% |
| American Research Group | June 27–30, 2007 | Clinton 34%, Obama 25%, Edwards 11%, Richardson 6%, Biden 4%, Kucinich 3%, Dodd 3%, Gravel 2%, Clark 1%, undecided 11% |
| Rasmussen Reports | June 28, 2007 | Clinton 28%, Obama 21%, Edwards 10%, Richardson 9%, Biden 3%, Dodd 2%, Kucinich 2% |
| Suffolk University | June 24, 2007 | Clinton 37%, Obama 19%, Edwards 9%, Richardson 9%, Kucinich 5%, Biden 2%, Dodd 2%, Gravel 1%, undecided 16% |
| CNN/WMUR Poll (Gore excl.) | June 6–10, 2007 | Clinton 39%, Obama 24%, Edwards 14%, Richardson 11%, Biden 5%, Kucinich 2% |
| CNN/WMUR Poll (Gore incl.) | June 6–10, 2007 | Clinton 36%, Obama 22%, Edwards 12%, Al Gore 12%, Richardson 10%, Biden 4%, Kucinich 1% |
| Mason-Dixon | June 4–7, 2007 | Clinton 26%, Obama 21%, Edwards 18%, Richardson 9%, Biden 6% |
| Franklin Pierce College/WBZ | June 4, 2007 | Clinton 38%, Obama 16%, Edwards 13%, Al Gore 8%, Richardson 8%, Biden 4%, Kucinich 2%, Clark 1%, Dodd 1%, Gravel 0%, Sharpton 0%, undecided 10% |
| American Research Group | May 23–25, 2007 | Clinton 34%, Edwards 18%, Obama 15%, Richardson 9%, Biden 3%, Dodd 3%, Kucinich 2%, Clark 1%, Gravel 1%, undecided 14% |
| Zogby | May 15–16, 2007 | Clinton 28%, Obama 26%, Edwards 15%, Richardson 10%, Kucinich 4%, Biden 1%, Dodd -, Gravel -, Not Sure 15% |
| Survey USA | May 4–6, 2007 | Clinton 40%, Obama 24%, Edwards 22%, Other 10%, undecided 4% |
| American Research Group | April 27–30, 2007 | Clinton 37%, Edwards 26%, Obama 14%, Richardson 3%, Biden 2%, Dodd 1%, Kucinich 2%, Clark -, Gravel -, undecided 15% |
| Zogby | April 3, 2007 | Clinton 29% John Edwards 23%, Obama 23%, Biden 2%, Richardson 2%, Kucinich 1%, Clark -, Dodd -, Gravel -, Kerry -, Not Sure 17% |
| University of New Hampshire | 27 March–April 2, 2007 | Clinton 27%, Edwards 21%, Obama 20%, Al Gore 11%, Richardson 4%, Biden 2%, Kucinich 1%, Dodd 1%, Clark 0%, Gravel 0%, Al Sharpton 0%, Other 0%, undecided 12% |
| American Research Group | 19–22 March 2007 | Clinton 37%, Obama 23%, Edwards 20%, Richardson 2%, Biden 2%, Clark 1%, Kucinich 1%, Dodd 1%, Gravel 0%, undecided 12% |
| Franklin Pierce College/WBZ | 7–11 March 2007 | Clinton 32%, Obama 25%, Edwards 16%, Al Gore 10, Richardson 3, Kucinich 2%, Biden 1%, Clark 1%, Dodd 0%, Gravel 0%, Al Sharpton 0%, undecided 9% |
| Franklin Pierce College/WBZ (without Gore) | 7–11 March 2007 | Clinton 35%, Obama 26%, Edwards 18%, Other 8%, undecided 12% |
| Suffolk University | 24–28 February 2007 | Clinton 28%, Obama 26%, Edwards 17%, Biden 3%, Kucinich 2%, Richardson 2%, Clark 1%, Dodd 0%, Gravel 0%, Al Sharpton 0%, Refused 1%, undecided 17% |
| University of New Hampshire | 1–5 February 2007 | Clinton 35%, Obama 21%, Edwards 16%, Al Gore 8%, Biden 3%, Dodd 1%, Richardson 1%, Vilsack 1%, Clark 1%, Kucinich 1%, Gravel 0%, Al Sharpton 0%, Don't Know 14% |
| American Research Group | 31 January-1 February 2007 | Clinton 39%, Obama 19%, Edwards 13%, Other 2%, undecided 21% |
| Zogby International | 15–17 January 2007 | Obama 23%, Clinton 19%, Edwards 19%, John Kerry 5%, Clark 3%, Biden 3%, Kucinich 1%, Richardson 1%, Vilsack 1% |
| American Research Group | 26 December-27, 2006 | Clinton 27%, Obama 21%, Edwards 18%, John Kerry 6%, Kucinich 4%, Clark 2%, Richardson 2%, Biden 1%, Dodd 1%, Vilsack 1%, Gravel 0% |

### Michigan

Michigan winner: Hillary Clinton Primary date: January 15, 2008 Delegates At Stake 0 Delegates Won 0 NOTE: In moving its primary before February 5, 2008, Michigan has violated Democratic Party rules and their delegates may not be seated at the nominating convention.
See also
| Poll source | Date | Highlights |
| Actual Result (100% precincts reporting) | January 15, 2008 | Clinton 55%, Uncommitted 40%, Kucinich 4%, Dodd 1%, Gravel <1% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 12–14, 2008 | Clinton 56%, Uncommitted 31%, Kucinich 3%, Gravel 1%, Undecided 9% |
| Detroit News/WXYZ Sampling Size: 600 Margin of Error: ±4% | January 9–12, 2008 | Clinton 56%, Uncommitted 33% |
| American Research Group Sampling Size: 600 Margin of Error: ±4% | January 9–11, 2008 | Clinton 57%, Uncommitted 28%, Kucinich 3%, Undecided 12% |
| Detroit Free Press-Local 4 Michigan Poll Sampling Size: 600 Margin of Error: ± 4% | January 9–11, 2008 | For the available slots on the ballot: Clinton 56%, Kucinich 2%, Dodd 0%, Gravel 0%, Uncommitted 30%, Unsure 10% (Obama and Edwards not included in survey) If all of the Democratic candidates were on the ballot: Clinton 46%, Obama 23%, Edwards 13%, Kucinich 2%, Richardson 1%, Gravel 0%, Uncommitted 6%, Unsure 8% |
| Rossman Group/MIRS/Denno-Noor Margin of Error: ± 5.8% | January 6–7, 2008 | Clinton 48%, Kucinich 3%, Dodd 1%, Gravel 1%, Uncommitted 21%, Unsure 11% (Obama and Edwards not included in survey) |
| The Rossman Group Margin of Error: ± 4% | November 30 – December 3, 2007 | Clinton 37%, Obama 20%, Al Gore 13%, Edwards 11%, Kucinich 2%, Other 2%, Biden 1%, Richardson 0%, Undecided/Refused 12% |
| Strategic Vision (R) | October 5–7, 2007 | Clinton 42%, Obama 26%, Edwards 10%, Richardson 7%, Biden 2%, Dodd 1%, Kucinich 1%, Undecided 11% |
| American Research Group | September 1–4, 2007 | Clinton 43%, Obama 21%, Edwards 14%, Richardson 5%, Biden 2%, Kucinich 2%, Dodd 1%, Gravel -, undecided 12% |
| Detroit News/WXYZ-TV | August 26–31, 2007 | Clinton 40%, Obama 21%, Edwards 16% |
| Detroit News/WXYZ-TV | August 8–13, 2007 | Clinton 45%, Obama 26%, Edwards 16% |
| Strategic Vision (R) | July 8–12, 2007 | Clinton 32%, Obama 25%, Edwards 16%, Richardson 7%, Biden 4%, Dodd 1%, Kucinich 1%, undecided 14% |
| American Research Group | May 4–8, 2007 | Clinton 38%, Obama 25%, Edwards 14%, Biden 3%, Dodd 2%, Kucinich 2%, Richardson 2%, Clark -, Gravel -, undecided 14% |
| Strategic Vision (R) | 13–15 April 2007 | Clinton 29%, Obama 24%, Edwards 22%, Biden 3%, Richardson 3%, Clark 2%, Kucinich 1%, Dodd 1%, undecided 17% |
| EPIC-MRA | 12–18 March 2007 | Clinton 45%, Obama 29%, Edwards 16%, Richardson 4%, Biden 4%, undecided 2% |
| Strategic Vision | 9–11 March 2007 | Clinton 33%, Obama 28%, Edwards 14%, Biden 4%, Richardson 2%, Clark 2%, Kucinich 1%, Dodd 1%, undecided 15% |
| American Research Group | February 23–27, 2007 | Clinton 35%, Obama 30%, Edwards 14%, Biden 2%, Kucinich 2%, Dodd 1%, Clark 1%, Richardson 1% Undecided 15% |
| Detroit Free Press-Local 4 Michigan Poll | 28–31 January 2007 | Clinton 49%, Obama 20%, Edwards 8%, Al Gore 7%, Richardson 2%, Biden 2%, Kucinich 1%, Dodd 1% |
| American Research Group | 4–7 January 2007 | Clinton 30%, Obama 30%, Edwards 17%, Biden 2%, Clark 2%, Kucinich 2%, Dodd 1%, undecided 14% |

### Nevada

Nevada winner: Hillary Clinton Primary date: January 19, 2008 Delegates At Stake 25 Delegates Won Barack Obama-13 Hillary Clinton-12
See also
| Poll source | Date | Highlights |
| Actual Result (100% precincts reporting) | January 19, 2008 | Clinton 51%, Obama 45%, Edwards 4%, Uncommitted <1%, Kucinich <1% |
| Reuters/C-SPAN/Zogby Sampling Size: 814 Margin of Error: ±3.4% | January 15–17, 2008 | Clinton 42%, Obama 37%, Edwards 12% |
| Mason-Dixon Sampling Size: 500 Margin of Error: ±4.5% | January 14–16, 2008 | Clinton 41%, Obama 32%, Edwards 14% |
| American Research Group Sampling Size: 500 Margin of Error: ±3.8% | January 9–14, 2008 | Clinton 35%, Obama 32%, Edwards 25% |
| Research 2000/Reno Gazette-Journal Sampling Size: 500 Margin of Error: ±4.5% | January 11–13, 2008 | Obama 32%, Clinton 30%, Edwards 27% |
| American Research Group Sample Size: 600 Margin of Error: ± 4% | December 1–6, 2007 | Clinton 45%, Obama 18%, Edwards 14%, Biden 4%, Kucinich 4%, Dodd 2%, Richardson 2%, Gravel -%, Undecided 11% |
| Mason-Dixon | December 3–5, 2007 | Clinton 34%, Obama 26%, Edwards 9%, Richardson 7% |
| Zogby International | November 9–10, 2007 | Clinton 37%, Obama 19%, Edwards 15%, Richardson 6%, Biden 2%, Kucinich 2%, Dodd <1%, Gravel <1%, Not Sure 17% |
| Mason-Dixon | October 9–11, 2007 | Clinton 39%, Obama 21%, Edwards 9%, Richardson 8%, undecided 20% |
| American Research Group | October 5–9, 2007 | Clinton 51%, Edwards 14%, Obama 11%, Richardson 5%, Biden 4%, Kucinich 1%, Dodd 1%, undecided 13% |
| Reno Gazette-Journal | August 14–16, 2007 | Clinton 33%, Obama 19%, Edwards 15%, Richardson 11%, Al Gore 8%, Biden 2%, Gravel 1%, Kucinich 1%, Dodd 1%, undecided 9% |
| Mason-Dixon | June 20–22, 2007 | Clinton 39%, Obama 17%, Edwards 12%, Richardson 7%, Biden 2% |
| American Research Group | June 15–19, 2007 | Clinton 40%, Edwards 16%, Obama 16%, Richardson 6%, Biden 2%, Kucinich 2%, Clark 1%, Dodd 1%, Gravel 1%, undecided 15% |
| Mason-Dixon | April 30 – May 2, 2007 | Clinton 37%, Edwards 13%, Obama 12%, Al Gore 9%, Richardson 6%, undecided 19% |
| Zogby International | April 11–12, 2007 | Clinton 35%, Obama 21%, Edwards 15%, Richardson 5%, Biden 2%, Gravel <1%, Kucinich <1%, Dodd <1%, Not Sure 19% |
| Gazette-Journal Poll | 9 March 2007 | Clinton 32%, Obama 20%, Edwards 11%, Al Gore 11%, Clark 2%, Richardson 2%, Biden 1%, Dodd 1%, Gravel 1%, Kucinich 1% |
| American Research Group | 19 December-23, 2006 | Clinton 37%, Obama 13%, Edwards 9%, John Kerry 9%, Clark 4%, Dodd 2%, Biden 1%, Gravel 1%, Kucinich 1%, Richardson 1%, Vilsack 1% |

### South Carolina

South Carolina winner: Barack Obama Primary date: January 26, 2008 Delegates At Stake 45 Delegates Won Barack Obama-25 Hillary Clinton-12 John Edwards-8
See also
| Poll source | Date | Highlights |
| Actual Result (100% precincts reporting) | January 26, 2008 | Obama 55%, Clinton 27%, Edwards 18% |
| Reuters/C-SPAN/Zogby Sampling Size: 816 Margin of Error: ±3.4% | January 24–25, 2008 | Obama 41%, Clinton 26%, Edwards 19%, Undecided 14% |
| Survey USA Sampling Size: 606 Margin of Error: ±4.1% | January 23–24, 2008 | Obama 43%, Clinton 30%, Edwards 24%, Other 2%, Undecided 2% |
| Reuters/C-SPAN/Zogby Sampling Size: 811 Margin of Error: ±3.4% | January 22–24, 2008 | Obama 38%, Clinton 25%, Edwards 21%, Undecided 16% |
| Mason Dixon Sampling Size: 400 Margin of Error: ±5% | January 22–23, 2008 | Obama 38%, Clinton 30%, Edwards 19%, Undecided 13% |
| Survey USA Sampling Size: 685 Margin of Error: ±3.8% | January 22–23, 2008 | Obama 45%, Clinton 29%, Edwards 22%, Other 2%, Undecided 1% |
| Reuters/C-SPAN/Zogby Sampling Size: 811 Margin of Error: ±3.4% | January 21–23, 2008 | Obama 39%, Clinton 24%, Edwards 19%, Undecided 18% |
| Clemson University Margin of Error: ±4.6% | January 15–23, 2008 | Obama 27%, Clinton 20%, Edwards 17%, Not Sure 36% |
| Reuters/C-SPAN/Zogby Sampling Size: 811 Margin of Error: ±3.4% | January 20–22, 2008 | Obama 43%, Clinton 25%, Edwards 15%, Kucinich <1%, Gravel <1%, Someone Else 4%, Not Sure 14% |
| Rasmussen Reports Sampling Size: 624 Margin of Error: ±4% | January 21, 2008 | Obama 43%, Clinton 28%, Edwards 17%, Someone Else 5%, Not Sure 6% |
| Rasmussen Reports Sampling Size: 571 | January 16, 2008 | Obama 44%, Clinton 31%, Edwards 15%, Other 6%, Not Sure 5% |
| Survey USA Sampling Size: 577 Margin of Error: ±4.2% | January 15–16, 2008 | Obama 46%, Clinton 36%, Edwards 15%, Someone Else 1%, Not Sure 2% |
| MSNBC/McClatchy/Mason Dixon Sampling Size: 400 Margin of Error: ±5% | January 14–16, 2008 | Obama 40%, Clinton 31%, Edwards 13%, Kucinich 1%, Not Sure 15% |
| Insider Advantage Sampling Size: 400 | January 14–15, 2008 | Obama 40.6%, Clinton 30.7%, Edwards 13.3%, Other 1.5%, Not Sure 13.8% |
| Rasmussen Reports Sampling Size: 516 Margin of Error: ±4% | January 13, 2008 | Obama 38%, Clinton 33%, Edwards 17%, Other 6%, Not Sure 5% |
| Rasmussen Reports Sampling Size: 494 Margin of Error: ±4% | January 9, 2008 | Obama 42%, Clinton 30%, Edwards 15%, Richardson 2%, Not Sure 10% |
| Insider Advantage Sampling Size: 393 Margin of Error: ±5% | January 7, 2008 | Obama 40%, Clinton 33%, Edwards 15%, Kucinich 2.7%, Richardson 2.1%, No Opinion 6.9% |
| Rasmussen Reports Sample Size: 553 Margin of Error: ± 4% | January 6, 2008 | Obama 42%, Clinton 30%, Edwards 14% |
| SurveyUSA Sample Size: 579 Margin of Error: ± 4.2% | January 4–6, 2008 | Obama 50%, Clinton 30%, Edwards 16%, Undecided 3%, Other 2% |
| SurveyUSA Sample Size: 496 Margin of Error: ± 4.5% | December 17–18, 2007 | Clinton 41%, Obama 39%, Edwards 17%, Other 1%, Undecided 2% |
| CBS News | December 13–17, 2007 | Obama 35%, Clinton 34%, Edwards 13%, Biden 1%, Richardson 1%, Kucinich 1%, Dodd 0%, Undecided/Don't know 15% |
| Rasmussen Reports | December 16, 2007 | Obama 33%, Clinton 33%, Edwards 17%, Some other candidate 9%, Not sure 8% |
| CNN | December 9–12, 2007 | Clinton 42%, Obama 34%, Edwards 16%, Biden 3%, Richardson 2% |
| Insider Advantage | December 8–9, 2007 | Obama 28%, Clinton 22%, Edwards 14%, Biden 10%, Richardson 2%, Kucinich 1%, Dodd 0%, Gravel 0%, No opinion 23% |
| Survey USA | December 7–9, 2007 | Clinton 44%, Obama 40%, Edwards 11%, Other 3%, Undecided 2% |
| Mason-Dixon | December 3–6, 2007 | Clinton 28%, Obama 25%, Edwards 18%, Biden 2%, Richardson 1% |
| Insider Advantage | December 3–4, 2007 | Obama 26%, Clinton 24%, Edwards 15%, Biden 10% |
| Rasmussen Reports | December 3–4, 2007 | Clinton 36%, Obama 34%, Edwards 13%, Other 9%, Undecided 9% |
| American Research Group | November 26–29, 2007 | Clinton 45%, Obama 21%, Edwards 12%, Biden 6%, Richardson 2%, Kucinich 2%, Dodd 1%, Gravel -, undecided 11% |
| Rasmussen Reports | November 20, 2007 | Clinton 43%, Obama 33%, Edwards 11%, Other 6%, undecided 6% |
| Survey USA | November 9–11, 2007 | Clinton 47%, Obama 33%, Edwards 10%, Other 5%, undecided 5% |
| American Research Group | October 26–29, 2007 | Clinton 41%, Obama 19%, Edwards 18%, Biden 6%, Richardson 1%, Dodd 1%, Kucinich 1%, Gravel -, undecided 13% |
| Winthrop/ETV Poll | October 7–28, 2007 | Clinton 33.0%, Obama 22.7%, Edwards 9.6%, Biden 2.4%, Richardson 0.4%, Dodd 0.4%, Kucinich 0.0%, Gravel 0.0%, undecided 29.6% |
| American Research Group | September 26–29, 2007 | Clinton 41%, Obama 30%, Edwards 7%, Richardson 5%, Biden 2%, Dodd 1%, Kucinich 1%, Gravel -, undecided 13% |
| Rasmussen | September 26–27, 2007 | Clinton 43%, Obama 30%, Edwards 10%, Richardson 2%, Biden 2%, Kucinich 2%, undecided 11% |
| Los Angeles Times/Bloomberg | September 6–10, 2007 | Clinton 45%, Obama 27%, Edwards 7%, Biden 3%, Kucinich 1%, Dodd 1%, Richardson 1%, Gravel <0.5%, Undecided 13% |
| Los Angeles Times/Bloomberg (Liberal Democrats) | September 6–10, 2007 | Clinton 51%, Obama 24%, Edwards 7% |
| American Research Group | August 26–29, 2007 | Clinton 32%, Edwards 24%, Obama 21%, Biden 2%, Kucinich 2%, Richardson 2%, Dodd -, Gravel -, undecided 17% |
| Clemson University Palmetto Poll | August 20–29, 2007 | Clinton 26%, Obama 16%, Edwards 10%, Al Gore 8%, Biden 3%, Richardson 2%, Kucinich -%, Dodd -, Gravel -, undecided 35% |
| Rasmussen Reports | August 20, 2007 | Clinton 36%, Obama 30%, Edwards 13%, Biden 3%, Richardson 2% |
| Public Policy Polling (D) | August 13, 2007 | Clinton 38%, Obama 33%, Edwards 12%, Richardson 3%, Biden 3%, Kucinich 1%, Others 0%, undecided 12% |
| American Research Group | July 26–30, 2007 | Obama 33%, Clinton 29%, Edwards 18%, Biden 3%, Richardson 2%, Clark 1%, Dodd 1%, Kucinich 1%, Gravel -, undecided 12% |
| Insider Advantage | July 24, 2007 | Clinton 43%, Obama 33%, Edwards 13%, Richardson 5%, Biden 4%, Gravel 1%, Others 1%, undecided 5% |
| CNN/Opinion Research Without Gore | July 16–18, 2007 | Clinton 43%, Obama 27%, Edwards 17%, Richardson 2%, Biden 1%, Dodd -, Kucinich -, Gravel -, undecided 9% |
| CNN/Opinion Research With Gore | July 16–18, 2007 | Clinton 39%, Obama 25%, Edwards 15%, Al Gore 10%, Richardson 2%, Biden 1%, Dodd -, Kucinich -, Gravel -, undecided 7% |
| American Research Group | June 26–30, 2007 | Clinton 37%, Edwards 22%, Obama 21%, Biden 3%, Dodd 2%, Kucinich 2%, Richardson 1%, Clark 1%, Gravel -, undecided 11% |
| Mason Dixon | June 13–15, 2007 | Obama 34%, Clinton 25%, Edwards 12%, Biden 2%, Al Gore (Vol) 2%, Richardson 1%, Dodd -, Gravel -, Kucinich -, undecided 34% |
| Public Policy Polling (D) | May 31, 2007 | Obama 34%, Clinton 31%, Edwards 15% |
| Winthrop/ETV | May 16–27, 2007 | Clinton 29.2%, Obama 20.8%, Edwards 10.7%, Richardson 1.8%, Biden .6%, undecided 30.4% |
| American Research Group | May 23–25, 2007 | Clinton 34%, Edwards 30%, Obama 18%, Biden 2%, Kucinich 2%, Richardson 1%, Clark 1%, Dodd 1%, Gravel -, undecided 11% |
| InsiderAdvantage | May 8–9, 2007 | Obama 31%, Clinton 27%, Edwards 16%, Biden 2%, Richardson 2%, Dodd 1%, undecided 21% |
| American Research Group | April 27–30, 2007 | Clinton 36%, Obama 24%, Edwards 18%, Biden 3%, Kucinich 3%, Richardson 1%, Clark 1, Dodd 1%, Gravel -, undecided 13% |
| Hamilton Beattie (D)/Ayers McHenry (R) | April 14–19, 2007 | Clinton 31%, Obama 27%, Edwards 16%, Richardson 2%, Biden 1%, Dodd <1%, Kucinich <1%, Gravel 0%, undecided 22% |
| News Channel 15/Zogby | April 16–17, 2007 | Clinton 33%, Obama 26%, Edwards 21% |
| WIS-TV/Garin-Hart-Yang (With Lean) | April 9–12, 2007 | Clinton 31%, Obama 28%, Edwards 21%, Biden 4%, Richardson 3%, Dodd <1%, Kucinich <1%, undecided 13% |
| WIS-TV/Garin-Hart-Yang (Without Lean) | April 9–12, 2007 | Clinton 24%, Obama 23%, Edwards 17%, Biden 3%, Richardson 2%, Dodd <1%, undecided 13% |
| InsiderAdvantage | April 6–8, 2007 | Obama 34%, Clinton 20%, Edwards 17%, Biden 3%, Richardson 2%, Dodd 1%, undecided 23% |
| American Research Group | February 23–27, 2007 | Clinton 36%, Obama 25%, Edwards 20%, Biden 3%, Clark 1%, Kucinich 1%, Richardson 1%, Dodd 1%, Gravel 0%, undecided 14% |
| American Research Group | 21 December-23, 2006 | Clinton 34%, Edwards 31%, Obama 10%, John Kerry 3%, Biden 2%, Clark 2%, Kucinich 2%, Richardson 1%, Dodd 0%, Gravel 0%, Vilsack 0%, undecided 15% |

### Florida

Florida winner: Hillary Clinton Primary date: January 29, 2008 Delegates At Stake 0 Delegates Won 0 Note: In moving its primary before February 5, 2008, Florida has violated Democratic Party rules and their delegates may not be seated at the nominating convention.
See also
| Poll source | Date | Highlights |
| Actual Result (99% precincts reporting) | January 30, 2008 | Clinton 50%, Obama 33%, Edwards 14%, Kucinich 1% |
| Survey USA Sampling Size: 903 Margin of Error: ±3.3% | January 27–28, 2008 | Clinton 50%, Obama 33%, Edwards 10%, Other 3%, Undeclared 4% |
| Rasmussen Reports Sampling Size: 474 Margin of Error: ±4% | January 27, 2008 | Clinton 47%, Obama 25%, Edwards 16%, Other 9%, Undeclared 4% |
| Survey USA Sampling Size: 564 Margin of Error: ±4.2% | January 27, 2008 | Clinton 49%, Obama 29%, Edwards 14%, Other 4%, Undeclared 5% |
| Strategic Vision Sampling Size: 600 Margin of Error: ±4.5% | January 25–27, 2008 | Clinton 49%, Obama 36%, Edwards 11%, Undeclared 4% |
| Quinnipiac University Sampling Size: 481 Margin of Error: ±4.5% | January 24–27, 2008 | Clinton 50%, Obama 30%, Edwards 12%, Other 1%, Undeclared 7% |
| Survey USA Sampling Size: 522 Margin of Error: ±4.4% | January 23–24, 2008 | Clinton 47%, Obama 30%, Edwards 12%, Other 4%, Undeclared 7% |
| Mason Dixon Sampling Size: 400 Margin of Error: ±5% | January 21–23, 2008 | Clinton 47%, Obama 25%, Edwards 16%, Undecided 10% |
| Strategic Vision Sampling Size: 1450 Margin of Error: ±3% | January 20–22, 2008 | Clinton 47%, Obama 36%, Edwards 12%, Kucinich 1%, Undecided 4% |
| St. Petersburg Times Sampling Size: 800 Margin of Error: ±3.5% | January 20–22, 2008 | Clinton 42%, Obama 23%, Edwards 12%, Kucinich 2%, Biden 1%, Gravel 1%, Richardson 1%, Undecided 18% |
| Survey USA Sampling Size: 517 Margin of Error: ±4.4% | January 20, 2008 | Clinton 56%, Obama 23%, Edwards 12%, Other 4%, Undeclared 5% |
| Insider Advantage Sampling Size: 446 Margin of Error: ±4.5% | January 15–16, 2008 | Clinton 42%, Obama 34%, Edwards 9%, Other 6%, Undeclared 9% |
| Research 2000 Sampling Size: 500 Margin of Error: ±4.5% | January 14–16, 2008 | Clinton 50%, Obama 28%, Edwards 13%, Other/Undeclared 9% |
| Strategic Vision Sampling Size: 605 Margin of Error: ±3% | January 11–13, 2008 | Clinton 45%, Obama 39%, Edwards 11%, Kucinich 1%, Undeclared 4% |
| Survey USA Sampling Size: 601 Margin of Error: ±4% | January 11–13, 2008 | Clinton 56%, Obama 23%, Edwards 14%, Other 5%, Undeclared 3% |
| Quinnipiac University Sampling Size: 419 Margin of Error: ±4.8% | January 9–13, 2008 | Clinton 52%, Obama 31%, Edwards 9%, Gravel 1%, Kucinich 1%, Other 1%, Undeclared 5% |
| Rasmussen Reports Sampling Size: 682 Margin of Error: ±4% | January 9–12, 2008 | Clinton 48%, Obama 24%, Edwards 14%, Others 3%, Undecided 12% |
| Survey USA Sampling Size: 577 Margin of Error: ±4.2% | January 9–10, 2008 | Clinton 51%, Obama 32%, Edwards 11%, Other 4%, Undeclared 3% |
| Insider Advantage Sampling Size: 303 Margin of Error: ±6% | January 72008 | Clinton 40%, Obama 32%, Edwards 9%, Richardson 6%, Kucinich 2%, No Opinion 10% |
| Quinnipiac Sample Size: 397 Margin of Error: ± 4.9% | December 12–18, 2007 | Clinton 43%, Obama 21%, Edwards 19%, Biden 3%, Richardson 2%, Dodd 2%, Kucinich 1%, Gravel -%, undecided 8% |
| Strategic Vision | December 14–16, 2007 | Clinton 48%, Obama 31%, Edwards 6%, Richardson 3%, Biden 2%, Kucinich 1%, Dodd 1%, undecided 8% |
| Datamar | December 9–13, 2007 | Clinton 44.0%, Obama 20.0%, Edwards 14.3%, Richardson 3.8%, Kucinich 2.7%, Biden 2.0%, Gravel 1.2%, Dodd 0.3%, Other 1%, undecided 11.7% |
| SurveyUSA | December 2–3, 2007 | Clinton 54%, Obama 24%, Edwards 13%, Other 7%, undecided 2% |
| Quinnipiac | November 26 – December 3, 2007 | Clinton 53%, Obama 17%, Edwards 7%, Biden 2%, Richardson 1%, Kucinich 1%, Dodd -%, Gravel -%, Other 1%, undecided 15% |
| Datamar | November 16–21, 2007 | Clinton 48.0%, Obama 16.1%, Edwards 13.2%, Richardson 5.2%, Biden 4.7%, Kucinich 4.1%, Dodd 1.0%, Gravel 0.6%, Undecided 7.0% |
| Strategic Vision | November 9–11, 2007 | Clinton 47%, Obama 27%, Edwards 8%, Richardson 4%, Biden 2%, Dodd 1%, Kucinich 1%, Undecided 10% |
| SurveyUSA | November 2–5, 2007 | Clinton 56%, Obama 19%, Edwards 14%, Other 9%, undecided 3% |
| Quinnipiac | October 17–22, 2007 | Clinton 43%, Obama 18%, Edwards 12%, Richardson 3%, Biden 1%, Kucinich 1%, Dodd -%, Gravel -%, Other 2%, undecided 17% |
| Quinnipiac | October 1–8, 2007 | Clinton 51%, Obama 17%, Edwards 10%, Biden 2%, Richardson 2%, Kucinich 1%, Dodd -%, Gravel -%, Other 1%, undecided 14% |
| Strategic Vision | September 21–23, 2007 | Clinton 44%, Obama 22%, Edwards 12%, Richardson 6%, Biden 2%, Dodd 1%, Kucinich 1%, Undecided 12% |
| American Research Group | September 15–18, 2007 | Clinton 47%, Obama 19%, Edwards 9%, Biden 5%, Richardson 3%, Dodd 1%, Kucinich 1%, Gravel -%, Undecided 15% |
| Rasmussen | September 16, 2007 | Clinton 47%, Obama 22%, Edwards 11%, Others 5%, Undecided 15% |
| Insider Advantage | September 6–10, 2007 | Clinton 36%, Obama 18%, Biden 9%, Edwards 8%, Gravel 2%, Kucinich 2%, Richardson 1%, Dodd 1%, Undecided 21% |
| Quinnipiac | September 3–9, 2007 | Clinton 42%, Obama 13%, Al Gore 12%, Edwards 9%, Biden 1%, Richardson 1%, Kucinich 1%, Dodd 1%, Gravel -%, Other 3%, undecided 15% |
| Rasmussen | August 13, 2007 | Clinton 43%, Obama 24%, Edwards 11%, Other 6%, undecided 16% |
| Strategic Vision | August 10–12, 2007 | Clinton 40%, Obama 20%, Edwards 16%, Richardson 9%, Biden 3%, Dodd 1%, Kucinich 1%, undecided 10% |
| Quinnipiac | July 30–6 August 2007 | Clinton 43%, Obama 13%, Al Gore 11%, Edwards 8%, Biden 2%, Richardson 2%, Kucinich 1%, Dodd 0%, Gravel 0%, Other 4%, undecided 15% |
| Mason-Dixon | July 23–26, 2007 | Clinton 31%, Obama 17%, Edwards 12%, Richardson 4%, Biden 3%, Kucinich 2%, Dodd -, Gravel -, undecided 30% |
| Rasmussen | July 18–19, 2007 | Clinton 46%, Obama 15%, Edwards 13%, Other 4%, undecided 21% |
| Quinnipiac | July 12–16, 2007 | Clinton 36%, Al Gore 14%, Obama 14%, Edwards 9% |
| IVR Polls | July 16, 2007 | Clinton 42%, Obama 24%, Edwards 12%, Undecided 13%, Others <4%. 19% would switch to Gore if he entered. |
| American Research Group | July 12–15, 2007 | Clinton 45%, Obama 25%, Edwards 9%, Richardson 3%, Biden 2%, Clark 2%, Kucinich 2%, Dodd 1%, Gravel -, undecided 11% |
| Quinnipiac (without Gore) | June 18–25, 2007 | Clinton 43%, Obama 16%, Edwards 11%, Biden 2%, Richardson 2%, Dodd 1%, Kucinich 1%, Gravel -, Other 3%, undecided 18% |
| Quinnipiac (with Gore) | June 18–25, 2007 | Clinton 38%, Obama 15%, Al Gore 13%, Edwards 8%, Biden 2%, Richardson 2%, Dodd 1%, Kucinich 1%, Gravel -, Other 3%, undecided 15% |
| Strategic Vision | June 15–17, 2007 | Clinton 37%, Obama 21%, Edwards 20%, Richardson 4%, Biden 3%, Dodd 2%, Kucinich 1%, undecided 12% |
| Zogby Poll | June 4–6, 2007 | Clinton 36%, Obama 16%, Edwards 11%, Richardson 6%, Biden 2%, Kucinich 1%, Dodd 0%, Other 6%, undecided 22% |
| Quinnipiac University | May 24 – June 4, 2007 | Clinton 34%, Obama 16%, Al Gore 13%, Edwards 11%, Richardson 5%, Biden 2%, Dodd 1%, Kucinich 1%, Clark -, Gravel -, Other 2%, Don't Know 14% |
| IVR Polls | May 31, 2007 | Clinton 45%, Obama 18%, Edwards 14%, Richardson 7%, undecided 11%, Others <3%. 20% would switch to Gore if he entered. |
| Strategic Vision (R) | May 11–13, 2007 | Clinton 37%, Obama 20%, Edwards 19%, Biden 5%, Richardson 4%, Dodd 2%, Kucinich 1%, undecided 12% |
| St. Petersburg Times | May 6–9, 2007 | Clinton 42%, Obama 19%, Edwards 12%, Biden 4%, Richardson 2%, Gravel -, Dodd -, Kucinich -, undecided 17% |
| American Research Group | May 4–8, 2007 | Clinton 45%, Obama 17%, Edwards 15%, Biden 3%, Richardson 3%, Clark 1%, Dodd 1%, Kucinich 1%, Gravel -, undecided 14% |
| Insider Advantage/Florida Chamber of Commerce | 30 March 2007 | Clinton 26%, Edwards 15%, Obama 14%, Al Gore 14%, Richardson 7%, Biden 2% |
| Quinnipiac University | 21–27 March 2007 | Clinton 36%, Al Gore 16%, Obama 13%, Edwards 11%, Richardson 2%, Clark 1%, Biden 1%, Kucinich 1%, Dodd 0%, Gravel 0%, Someone Else 1%, undecided 14% |
| Strategic Vision | 9–11 March 2007 | Clinton 32%, Obama 22%, Edwards 17%, Richardson 5%, Biden 4%, Clark 2%, Kucinich 1%, Dodd 1%, undecided 16% |
| Quinnipiac University | 25 February – March 4 | Clinton 38%, Al Gore 13%, Obama 13%, Edwards 6%, Biden 4%, Richardson 2%, Clark 1%, Kucinich 1%, Dodd 0%, undecided 18% |
| American Research Group | February 23–27, 2007 | Clinton 36%, Edwards 20%, Obama 14%, Biden 5%, Clark 2%, Dodd 1%, Kucinich 1%, Richardson 1% |
| Quinnipiac University | 29 January – 4 February 2007 | Clinton 49%, Obama 13%, Edwards 7%, Al Gore 7%, Richardson 3%, Biden 2%, Clark 1%, Vilsack 0%, Dodd 0%, Kucinich 0%, undecided 13% |
| American Research Group | 4–7 January 2007 | Clinton 30%, Obama 15%, Edwards 14%, Biden 6%, John Kerry 3%, Clark 2%, Vilsack 2%, Dodd 1%, Kucinich 1%, Richardson 1%, undecided 26% |