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

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

Polling

Alabama Alabama winner: Barack Obama Primary date: February 5, 2008 Delegates at stake 52 Delegates won to be determinedSee also Alabama Democratic Presidential Preference Poll source Date HighlightsActual result (100% precincts reporting)February 5, 2008Obama 56%, Clinton 42%InsiderAdvantage Sampling size: 408 Margin of error:February 3, 2008Obama 45%, Clinton 44%, other 3%, undecided 8%Capital Survey Research Center Margin of error: 5.1± %February 2, 2008Obama 44.4%, Clinton 37.4%, other responses 18.2%Rasmussen Reports Sampling size: 576 Margin of error: 4±%January 31, 2008Clinton 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, 2008Clinton 43%, Obama 28%, John Edwards 16%, undecided 23%Press Register/University of South Alabama Sampling size: 439 Margin of error: ±5%January 7–15, 2008Hillary 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%, other 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 Delegates at stake 56 Delegates won to be determinedSee also Arizona Democratic Presidential Preference Poll source Date HighlightsActual result (100% precincts reporting)February 5, 2008Clinton 51%, Obama 42%Rasmussen Reports Sampling size: 537 Margin of error: ±4%January 31, 2008Clinton 46%, Obama 41%, other 12%, undecided 3%Mason-DixonMason-Dixon Sampling size: 400 Margin of error: ±5%January 30 – February 1, 2008Clinton 43%, Obama 41%, undecided 13%Behavior Research Center Margin of error: ±6.5%January 20–24, 2008Clinton 37%, Obama 27%, Edwards 15%, undecided 18%Arizona State University Sampling size: 366 Margin of error: ±5.1%January 17–20, 2008Clinton 45%, Obama 24%, Edwards 9%, Kucinich 1%, undecided 21%Cronkite/Eight Poll Margin of error: ± 6.8%November 15–18, 2007Clinton 41%, Obama 23%, Edwards 14%, Richardson 9%, undecided 13%Rocky Mountain PollNovember 12–15, 2007Clinton 44%, Obama 14%, Edwards 11%, Richardson 2%, Kucinich 1%, Biden -%, undecided 27%American Research GroupOctober 5–9, 2007 Clinton 41%, Edwards 16%, Obama 14%, Richardson 7%, Biden 4%, Kucinich 2%, Dodd 2%, Gravel -, undecided 14%American Research GroupJuly 23–26, 2007 Clinton 39%, Obama 25%, Richardson 9%, Edwards 8%, Biden 1%, Clark 1%, Kucinich 1%, Dodd -, Gravel -, undecided 16%Rocky Mountain PollMay 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 determinedSee also Arkansas Democratic Presidential Preference Poll source Date HighlightsActual result (100% precincts reporting)February 5, 2008Clinton 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 determinedSee also Pollster Poll source Date HighlightsReuters/C-SPAN/Zogby Sampling size: 895 Margin of error: ±3.3%February 3–4, 2008Obama 49%, Clinton 36%, Gravel 1%, other 5%, undecided 9%Survey USA Sampling size: 872 Margin of error: ±3.4%February 3–4, 2008Clinton 52%, Obama 42%, other 4%, undecided 2%Survey USA Sampling size: 853 Margin of error: ±3.4%February 2–3, 2008Clinton 53%, Obama 41%, other 4%, undecided 2%Reuters/C-SPAN/Zogby Sampling size: 967 Margin of error: ±3.2%February 1–3, 2008Obama 46%, Clinton 40%, Gravel 1%, other 5%, undecided 9%Rasmussen Reports Sampling size: 798 Margin of error: ±4%February 2, 2008Obama 45%, Clinton 44%, undecided 5%Reuters/C-SPAN/Zogby Sampling size: 1,141 Margin of error: ±2.9%January 31 – February 2, 2008Obama 45%, Clinton 41%, Gravel 1%, undecided 15%Suffolk University Sampling size: 700January 31 – February 1, 2008Obama 39.8%, Clinton 38.6%, undecided 18.8%, refused 2.7%Mason-Dixon Sampling size: 400 Margin of error: ±5%January 30 – February 1, 2008Clinton 45%, Obama 36%, undecided 16%Field Sampling size: 511 Margin of error: ±4.5%January 25 – February 1, 2008Clinton 36%, Obama 34%, other 12%, undecided 18%Rasmussen Reports Sampling size: 807 Margin of error: ±4%January 29, 2008Clinton 43%, Obama 40%, Edwards 9%, other 4%, undecided 4%Survey USA Sampling size: 888 Margin of error: ±3.4%January 27, 2008Clinton 49%, Obama 38%, Edwards 9%, other 2%, undecided 2%Politico/CNN/Los Angeles Times Sampling size: 690 Margin of error: ±4%January 23–27, 2008Clinton 49%, Obama 32%, Edwards 14%, undecided 4%USA Today/Gallup Sampling size: 779 Margin of error: ±4%January 23–26, 2008Clinton 47%, Obama 35%, Edwards 10%, other 2%, undecided 6%Public Policy Institute of California Sampling size: 543 Margin of error: ±4%January 13–20, 2008Clinton 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, 2008Clinton 39%, Obama 27%, Edwards 10%, other 4%, undecided 20%Rasmussen Sampling size: 897 Margin of error: ±4%January 14, 2008Clinton 38%, Obama 33%, Edwards 12%, Kucinich 3%, undecided 13%Survey USA Sampling size: 810 Margin of error: ±3.5%January 11–13, 2008Clinton 50%, Obama 35%, Edwards 10%, other 3%, undecided 2%Politico/CNN/Los Angeles Times Sampling size: 384 Margin of error: ±5%January 11–13, 2008Clinton 47%, Obama 31%, Edwards 10%, undecided 6%Field Research Corp.Field Research Corp. Sampling 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 FieldThe 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 UniversityOctober 1–8, 2007 Clinton 42%, Obama 20%, Edwards 14%, other 5%PPICSeptember 4–11, 2007 Clinton 41%, Obama 23%, Edwards 14%, Richardson 3%, Kucinich 3%, Biden 2%, Dodd -%, Gravel -%, other 1%, undecided 13%Survey USASeptember 7–9, 2007 Clinton 51%, Obama 27%, Edwards 14%The Field PollThe 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 USAAugust 2–5, 2007 Clinton 51%, Obama 27%, Edwards 14%, other 6%, undecided 3%American Research GroupJuly 30–2 August 2007 Clinton 35%, Obama 22%, Edwards 16%, Biden 5%, Richardson 5%, Dodd 1%, Kucinich 1%, Clark -, Gravel -, undecided 15%Survey USAJune 29 – July 1, 2007 Clinton 49%, Obama 24%, Edwards 14%, other 9%, undecided 3%San Jose State California PrimaryJune 18–22, 2007 Clinton 37%, Obama 15%, Edwards 15%, other 33%DatamarJune 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 USAJune 1–3, 2007 Clinton 46%, Obama 28%, Edwards 14%, other 8%, undecided 4%American Research GroupMay 4–8, 2007 Clinton 37%, Obama 28%, Edwards 15%, Richardson 3%, Biden 2%, Dodd 2%, Kucinich 2%, Clark -, Gravel -, undecided 11%Survey USAMay 5–6, 2007 Clinton 48%, Obama 27%, Edwards 15%, other 7%, undecided 3%Working CaliforniansApril 9–12, 2007 Clinton 38%, Obama 19%, Edwards 17%, other/undecided 26%Survey USAMarch 30 – April 1, 2007 Clinton 43%, Obama 26%, Edwards 17%, Richardson 4%, other 4%, undecided 5%The Field (without Gore)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)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 USAMarch 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 determinedSee also Colorado Democratic Presidential Preference Poll source Date HighlightsMason-Dixon