Statewide opinion polling for the March Democratic Party presidential primaries, 2008

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

Polling

Mississippi

MississippiMississippi winner: Barack Obama
Format: Primary see: Mississippi Democratic primary, 2008
Date: 11 March 2008
Delegates At Stake 33
Delegates Won To be determined

Poll source Date Highlights
American Research Group

Sample Size: 600 LV
Margin of Error: ± 4%

March 9–10, 2008 Obama 54%, Clinton 38%, Other 4%, Undecided 4%
InsiderAdvantage/Majority Opinion

Sample Size: 338
Margin of Error: ± 6%

March 9, 2008 Obama 54%, Clinton 37%, Undecided 9%
InsiderAdvantage

Sample Size: 412
Margin of Error: ± 5%

March 6, 2008 Obama 46%, Clinton 40%, Undecided 14%
American Research Group

Sample Size: 600 LV
Margin of Error: ± 4%

March 5–6, 2008 Obama 58%, Clinton 34%, Other 5%, Undecided 3%
Rasmussen Reports

Sample Size: 816 LV
Margin of Error: ± 4%

March 5, 2008 Obama 53%, Clinton 39%, Undecided 8%

Ohio

OhioOhio winner: Hillary Clinton
Format: Primary see: Ohio Democratic primary, 2008
Date: March 4, 2008
Delegates At Stake 141
Delegates Won To be determined

Poll source Date Highlights
American Research Group

Sample Size: 600
Margin of Error: ±4%

March 2–3, 2008 Clinton 56%, Obama 42%, Someone else 1%, Undecided 1%
Zogby

Sample Size: 828
Margin of Error: ±3.4%

March 1–3, 2008 Obama 44%, Clinton 44%, Gravel 1%, Someone else 3%, Not sure 8%
Rasmussen Reports

Sample Size: 858
Margin of Error: ±3%

March 2, 2008 Clinton 50%, Obama 44%, Undecided 6%
Survey USA

Sample Size: 873
Margin of Error: ±3.4%

March 1–2, 2008 Clinton 54%, Obama 44%, Other 1%, Undecided 1%
Public Policy Polling

Sample Size: 1112
Margin of Error: ±2.9%

March 1–2, 2008 Clinton 51%, Obama 42%, Undecided 7%
Suffolk University

Sample Size: 400

March 1–2, 2008 Clinton 52%, Obama 40%, Undecided 8%
Zogby

Sample Size: 761
Margin of Error: ±3.6%

February 29 – March 2, 2008 Obama 47%, Clinton 45%, Gravel 1%, Someone else 2%, Not sure 6%
University of Cincinnati

Sample Size: 624
Margin of Error: ±3.9%

February 28 – March 2, 2008 Clinton 51.3%, Obama 42.3%, Edwards 6.0%, Other 0.4%
Quinnipiac University

Sample Size: 799
Margin of Error: ±3.5%

February 27 – March 2, 2008 Clinton 49%, Obama 45%, Undecided 6%
American Research Group

Sample Size: 600
Margin of Error: ±4%

February 29 – March 1, 2008 Clinton 51%, Obama 44%, Other 1%, Undecided 4%
Zogby

Sample Size: 746
Margin of Error: ± 3.7%

February 28 – March 1, 2008 Clinton 47%, Obama 46%, Gravel 1%, Someone Else 1%, Not Sure 5%
Mason-Dixon

Sample Size: 625
Margin of Error: ± 4%

February 27–29, 2008 Clinton 47%, Obama 43%
Zogby

Sample Size: 701
Margin of Error: ± 3.8%

February 27–29, 2008 Obama 45%, Clinton 45%, Gravel 1%, Someone Else 3%, Not Sure 6%
Columbus Dispatch

Sample Size: 2,308
Margin of Error:

February 21–29, 2008 Clinton 56%, Obama 40%
Rasmussen Reports

Sample Size: 851
Margin of Error: ± 3.8%

February 28, 2008 Clinton 47%, Obama 45%, Undecided 9%
American Research Group

Sample Size: 600
Margin of Error: ±4%

February 27–28, 2008 Clinton 50%, Obama 45%, Other 2%, Undecided 3%
Zogby

Sample Size: 708
Margin of Error: ± 3%

February 26–28, 2008 Clinton 44%, Obama 42%, Gravel 1%, Someone Else 5%, Not Sure 9%
Rasmussen Reports

Sample Size: 862
Margin of Error: ± 3.8%

February 26–28, 2008 Clinton 48%, Obama 43%, Undecided 9%
SurveyUSA

Sample Size: 790
Margin of Error: ±3.6%

February 23–25, 2008 Clinton 50%, Obama 44%, Other 3%, Undecided 3%
Public Policy Polling

Sample Size: 600
Margin of Error: ±4%

February 23–24, 2008 Clinton 50%, Obama 46%, Undecided 4%
American Research Group

Sample Size: 600
Margin of Error: ±4%

February 23–24, 2008 Clinton 49%, Obama 39%, Other 4%, Undecided 8%
Institute of Policy Research at the University of Cincinnati

Sample Size: 529
Margin of Error: ±4.3%

February 21–24, 2008 Clinton 47%, Obama 39%, Edwards 9%, Other 2%, Undecided 4%
Quinnipiac University

Sample Size: 741
Margin of Error: ±3.6%

February 18–23, 2008 Clinton 51%, Obama 40%, Other 1%, Undecided 9%
Decision Analyst

Sample Size: 735
Margin of Error: ± 3%

February 21–22, 2008 Obama 54%, Clinton 46%
Rasmussen Reports

Sample Size: 902
Margin of Error: ± 3%

February 21, 2008 Clinton 48%, Obama 40%, Undecided 12%
Washington Post-ABC News

Sample Size: 611
Margin of Error: ± 4%

February 16–20, 2008 Clinton 50%, Obama 43%, No Opinion 6%, None of These 1%, Other 1%
SurveyUSA

Sample Size: 733 LV
Margin of Error: ±3.7%

February 17–18, 2008 Clinton 52%, Obama 43%, Other 4%, Undecided 1%
Rasmussen Reports

Sample Size: 754 LV
Margin of Error: ±4%

February 13, 2008 Clinton 51%, Obama 37%, Undecided 12%
Quinnipiac University

Sample Size: 564
Margin of Error: ±4.1%

February 6–12, 2008 Clinton 55%, Obama 34%, Other 2%, Undecided 9%
SurveyUSA

Sample Size: 720
Margin of Error: ±3.7%

February 10–11, 2008 Clinton 56%, Obama 39%, Other 3%, Undecided 2%
Columbus Dispatch

Sample Size: 2,156
Margin of Error: ±2%

January 23–31, 2008 Clinton 42%, Obama 19%, Edwards 18%, Kucinich 1%, Undecided 20%
Opinion Consultants

Sample Size: 800

Clinton 44%, Obama 28%, Edwards 17%
Quinnipiac University

Sample Size: 436
Margin of Error: ± 4.7%

November 26 – December 3, 2007 Clinton 45%, Obama 19%, Edwards 13%, Biden 3%, Kucinich 2%, Richardson 1%, Dodd 1%, Gravel -, Other -, Undecided 13%
Quinnipiac University November 6–11, 2007 Clinton 42%, Obama 17%, Edwards 14%, Kucinich 4%, Biden 3%, Richardson 1%, Dodd -, Gravel -, Other -, Undecided 17%
Quinnipiac University October 1–8, 2007 Clinton 47%, Obama 19%, Edwards 11%, Kucinich 2%, Biden 2%, Richardson 1%, Dodd -, Gravel -, Other -%, undecided 15%
Strategic Vision September 14–16, 2007 Clinton 43%, Obama 23%, Edwards 11%, Richardson 8%, Biden 3%, Kucinich 2%, Dodd 1, Undecided 11%
Quinnipiac University August 28 – September 3, 2007 Clinton 44%, Obama 15%, Edwards 11%, Gore 8%, Kucinich 3%, Biden 2%, Richardson 1%, Dodd -, Gravel -, Other 1%, undecided 13%
Quinnipiac University July 30 – August 6, 2007 Clinton 41%, Obama 16%, Edwards 11%, Gore 8%, Biden 3%, Kucinich 2%, Richardson 1%, Dodd -, Gravel -, Other 3%, undecided 14%
Quinnipiac University July 3–9, 2007 Clinton 35%, Obama 17%, Edwards 13%, Gore 12%, Kucinich 3%, Richardson 2%, Biden 1%, Dodd -, Gravel -, Other 2%, undecided 15%
Quinnipiac University (without Gore) June 18–25, 2007 Clinton 46%, Edwards 15%, Obama 14%, Kucinich 3%, Biden 1%, Richardson 1%, Dodd -, Gravel -, Other 2%, undecided 17%
Quinnipiac (with Gore) June 18–25, 2007 Clinton 40%, Edwards 12%, Gore 12%, Obama 12%, Kucinich 3%, Biden 1%, Richardson 1%, Dodd -, Gravel -, Other 2%, undecided 16%
Quinnipiac University May 8–13, 2007 Clinton 38%, Obama 19%, Edwards 11%, Gore 10%, Kucinich 2%, Richardson 2%, Biden 1%, Clark -, Dodd -, Gravel -, Someone Else 3%, Don't Know 14%
Quinnipiac University March 13–19, 2007 Clinton 32%, Obama 22%, Gore 14%, Edwards 11%, Kucinich 3%, Biden 1%, Richardson 1%, Clark 0%, Dodd 0%, Gravel 0%, Someone Else 2%, Wouldn't Vote 1%, Don't Know 15%
Quinnipiac University January 23–28, 2007 Clinton 38%, Obama 13%, Edwards 11%, Gore 6%, Kerry 6%, Biden 2%, Kucinich 2%, Richardson 1%, Clark 1%, Dodd 0%, Vilsack 0%, Someone Else 1%, Wouldn't Vote 1%, Don't Know 17%

Rhode Island

Rhode IslandRhode Island winner: Hillary Clinton
Format: Primary see: Rhode Island Democratic primary, 2008
Date: March 4, 2008
Delegates At Stake 21
Delegates Won To be determined
See also

Poll source Date Highlights
Brown University Poll

Sampling Size: 402
Margin of Error: ±4.88%

February 27 – March 2, 2008 Clinton 42%, Obama 37%, Undecided 22%
WPRI 12 / RIPolitics.TV

Sample Size: 401
Margin of Error: ± 5%

February 24–27, 2008 Clinton 49%, Obama 40%, Not Sure 11%
Rasmussen

Sample Size: 1,035
Margin of Error: ± 3.5%

February 23, 2008 Clinton 53%, Obama 38%, Undecided 9%
American Research Group

Sample Size: 600
Margin of Error: ± 4%

February 20–21, 2008 Clinton 52%, Obama 40%, someone else 1%, undecided 7%
Brown University Poll

Sampling Size: 474
Margin of Error: ±5%

February 9–10, 2008 Clinton 36%, Obama 28%, uncommitted 27%, undecided 9%
Brown University Poll

Sampling Size: 380
Margin of Error: ±5%

September 8–9, 2007 Clinton 35%, Obama 16%, Edwards 7%, Biden 3%, Richardson 2%, Dodd 1%, Kucinich 1%, undecided 35%
Brown University Poll

Sampling Size: 341
Margin of Error: ±6%

January 27, 2007 Clinton 33%, Obama 15%, Edwards 8%, Biden 4%, Dodd 2%, Richardson 1%, Vilsack 1%, undecided 36%

Texas

TexasTexas winner: Unclear (see Texas Democratic primary and caucuses, 2008 for details)
Format: Primary-Caucus Hybrid see: Texas Democratic primary and caucuses, 2008
Date: March 4, 2008
Delegates At Stake 193
Delegates Won To be determined
See also

Poll source Date Highlights
American Research Group

Sample Size: 600
Margin of Error: ±4%

March 2–3, 2008 Clinton 50%, Obama 47%, Someone else 1%, Undecided 2%
Zogby

Sample Size: 855
Margin of Error: ±3.4%

March 1–3, 2008 Clinton 47%, Obama 44%, Gravel 1%, Someone else 2%, Not sure 7%
Insider Advantage/Majority Opinion

Sample Size: 609

March 2, 2008 Clinton 49%, Obama 44%, Not sure 7%
Rasmussen Reports

Sample Size: 858
Margin of Error: ±3%

March 2, 2008 Obama 48%, Clinton 47%, Undecided 6%
SurveyUSA

Sample Size: 840
Margin of Error: ±3.5%

March 1–2, 2008 Obama 49%, Clinton 48%, Other 2%, Undecided 2%
Public Policy Polling

Sample Size: 755
Margin of Error: ± 3.6%

March 1–2, 2008 Clinton 50%, Obama 44%, Not sure 6%
Zogby

Sample Size: 748
Margin of Error: ± 3.7%

February 29 – March 2, 2008 Obama 47%, Clinton 44%, Gravel 2%, Someone else, 1%, Not sure 6%
IVR Polls

Sample Size: 1162
Margin of Error: ± 2.9%

February 28 – March 2, 2008 Clinton 49%, Obama 46%
American Research Group

Sample Size: 600
Margin of Error: ± 4%

February 29 – March 1, 2008 Obama 47%, Clinton 47%, Other 2%, Undecided 4%f
Public Strategies/WFAA Dallas/BELO Corp.

Sample Size: 730 LV
Margin of Error: ± 3.6%

February 28 – March 1, 2008 Obama 46%, Clinton 46%, Not sure 8%
Zogby

Sample Size: 736 LV
Margin of Error: ± 3.7%

February 28 – March 1, 2008 Obama 47%, Clinton 43%, Gravel 1%, Someone Else, 2%, Not sure 7%
Mason-Dixon

Sample Size: 625
Margin of Error: ± 4%

February 27–29, 2008 Obama 46%, Clinton 45%
Zogby

Sample Size: 708
Margin of Error: ± 3.8%

February 27–29, 2008 Obama 45%, Clinton 43%, Gravel <1%, Someone Else 3%, Not Sure 8%
Insider Advantage

Sample Size: 591

February 28, 2008 Clinton 47%, Obama 43%, Undecided 10%
American Research Group

Sample Size: 600
Margin of Error: ± 4%

February 27–28, 2008 Obama 51%, Clinton 44%, Other 2%, Undecided 3%
Zogby

Sample Size: 704
Margin of Error: ± 3.8%

February 26–28, 2008 Obama 48%, Clinton 42%, Gravel <1%, Someone Else 3%, Not Sure 7%
Fox News/Opinion Dynamics

Sample Size: 600
Margin of Error: ± 4%

February 26–28, 2008 Obama 48%, Clinton 45%, Someone Else 2%, Not Sure 5%
Rasmussen Reports

Sample Size: 503
Margin of Error: ± 4%

February 27, 2008 Obama 48%, Clinton 44%, Undecided 8%
Public Strategies/WFAA Dallas

Sample Size: 735
Margin of Error: ±3.6%

February 25–27, 2008 Obama 46%, Clinton 45%, Undecided 9%
Insider Advantage/Majority Opinion

Sample Size: 592

February 25, 2008 Obama 47%, Clinton 46%, Undecided 7%
KTRK/SurveyUSA

Sample Size: 704
Margin of Error: ± 3.8%

February 23–25, 2008 Obama 49%, Clinton 45%, Other 3%, Undecided 3%
Rasmussen Reports

Sample Size: 646
Margin of Error: ± 4%

February 24, 2008 Clinton 46%, Obama 45%, Undecided 9%
Public Policy Polling

Sample Size: 434
Margin of Error: ± 4.7%

February 23–24, 2008 Clinton 48%, Obama 48%, Undecided 4%
American Research Group

Sample Size: 600
Margin of Error: ± 4%

February 23–24, 2008 Obama 50%, Clinton 42%, Other 2% Undecided 6%
CNN/Opinion Research Corp.

Sample Size: 861
Margin of Error: ± 3.5%

February 22–24, 2008 Obama 50%, Clinton 46%
Decision Analyst

Sample Size: 678
Margin of Error: ± 3%

February 20–21, 2008 Obama 57%, Clinton 43%
Washington Post-ABC News

Sample Size: 603
Margin of Error: ± 4%

February 16–20, 2008 Clinton 48%, Obama 47%, No Opinion 3%, None of These 1%, Other 1%
Rasmussen Reports

Sample Size: 549
Margin of Error: ± 4%

February 20, 2008 Clinton 47%, Obama 44%, Undecided 9%
Constituent Dynamics

Sample Size: 1340
Margin of Error: ± 4%

February 20, 2008 Clinton 46%, Obama 45%, Undecided 9%
IVR Polls

Sample Size: 582 LV
Margin of Error: ± 4.1%

February 20, 2008 Clinton 50%, Obama 45%, Other 2%, Undecided 3%
SurveyUSA

Sample Size: 660 LV
Margin of Error: ± 3.9%

February 16–18, 2008 Clinton 50%, Obama 45%, Other 3%, Undecided 2%
CNN/Opinion Research Corp.

Sample Size: 529 LV
Margin of Error: ± 4.5%

February 15–17, 2008 Clinton 50%, Obama 48%, Undecided 2%
InsiderAdvantage

Sample Size: 403 LV
Margin of Error: ± 5%

February 14, 2008 Clinton 48%, Obama 41%, Undecided 11%
Rasmussen Reports

Sample Size: 577 LV
Margin of Error: ± 4%

February 14, 2008 Clinton 54%, Obama 38%, Undecided 9%
American Research Group

Sample Size: 600 LV
Margin of Error: ± 4%

February 13–14, 2008 Obama 48%, Clinton 42%, Other 3% Undecided 7%
Texas Credit Union League

Sample Size: 400
Margin of Error: ± 4.9%

February 11–13, 2008 Clinton 49%, Obama 41%, Undecided 8%
IVR Polls

Sample Size: 534
Margin of Error: ± 4.3%

January 30–31, 2008 Clinton 48%, Obama 38%, Gravel 03%, Undecided 12%
IVR Polls

Sample Size: 564
Margin of Error: ± 4.1%

January 10, 2008 Clinton 46%, Obama 28%, Edwards 14%, Kucinich 1%, Gravel 1%, Undecided 10%
IVR Polls

Sample Size: 510
Margin of Error: ± 4.3%

December 11, 2007 Clinton 51%, Obama 17%, Edwards 15%, Richardson 8%, Kucinich 1%, Biden 1%, Dodd 0%, Gravel 0%, Undecided 6%
IVR Polls November 8, 2007 Clinton 51%, Obama 17%, Edwards 11%, Richardson 10%, Kucinich 2%, Biden 1%, Dodd 0%, Gravel 0%, Undecided 8%
IVR Polls August 30, 2007 Clinton 36.7%, Obama 17.6%, Edwards 14.6%, Richardson 8.9%, Biden 4.2%, Kucinich 3.2%, Gravel 1%, Dodd 0%, Undecided 13.7%
IVR Polls July 9, 2007 Clinton 42%, Obama 20%, Edwards 12%, Richardson 6%, Biden 3%, Kucinich 1%, Dodd 0%, Gravel 0%
IVR Polls June 4, 2007 Clinton 40%, Obama 15%, Edwards 13%, Richardson 9%, Kucinich 2%, Biden 1%, Dodd 1%, Gravel 0%
Lyceum Polls April 26 – May 7, 2007 Clinton 33%, Obama 21%, Edwards 8%, Richardson 3%, Biden 1%, Kucinich 1%, Dodd 0%, Gravel 0%
IVR Polls April 24, 2007 Clinton 35%, Obama 18%, Edwards 18%, Richardson 7%, Biden 2%, Kucinich 1%, Dodd 0%, Gravel 0%
IVR Polls March 22, 2007 Clinton 35%, Edwards 19%, Obama 15%, Richardson 7%, Kucinich 3%, Biden 2%, Dodd 1%, Gravel 0%
American Research Group March 16–19, 2007 Clinton 34%, Obama 32%, Edwards 11%, Biden 4%, Richardson 4%, Dodd 1%, Gravel 0%, Kucinich 0%

Vermont

VermontVermont winner: Barack Obama
Format: Primary see: Vermont Democratic primary, 2008
Date: March 4, 2008
Delegates At Stake 15
Delegates Won To be determined
See also

Poll source Date Highlights
Rasmussen

Sample Size: 1,013
Margin of Error: ± 3%

February 24, 2008 Obama 57%, Clinton 33%, Undecided 10%
American Research Group

Sample Size: 600
Margin of Error: ± 4%

February 20–21, 2008 Obama 60%, Clinton 34%, Other 6%
American Research Group February 2–6, 2007 Clinton 37%, Obama 19%, Edwards 14%, Dodd 3%, Kucinich 3%, Clark 2%, Richardson 1%, undecided 21%

References

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