SUPRC's polls have tracked elections for Governor and US Senate, as well as national, statewide and local issues in many states, including: Rhode Island, Connecticut, Virginia, Pennsylvania, Ohio, Florida, Nevada, Colorado, California, Illinois, New Jersey, Missouri, Kentucky, Oregon and Indiana.

Apr. 9, 2014

Iowa Gubernatorial & US Senate Primaries, General Elections; 2016 Presidential Caucuses

April 9, 2014

 

Marginals

Marginals (PDF)

Tables

Tables (PDF)

 

Press Release: Suffolk University Iowa Poll Shows Hillary Clinton Strong and GOP Field Scattered in Advance of Iowa Caucuses

Statement of Methodology: The statewide Suffolk University survey used a split sample of landline and cell phone numbers and a screen to filter out low voter intensity. The field of 800 likely voters was conducted Thursday, April 3, through Tuesday, April 8. The margin of error is +/-3.5 percent at a 95 percent level of confidence. The subset of 224 likely Republican Primary June voters carries an error rate of +/-6.55 percent. The margin of error is +/-8.7 percent for the 127 GOP caucus-goers and +/-8.4% for the 135 Democratic caucus-goers surveyed.

Key Names/Issues: Barack Obama, Hillary Clinton, Tom Harkin, Terry Branstad, Bruce Braley, Sam Clovis, Joni Ernst, Mark Jacobs, Scott Schaben, Matt Whitaker, Tom Hoefling, Jack Hatch, Lee Hieb, Iowa caucuses, Obamacare, voter ID

Nov. 5, 2012

New Hampshire & Ohio Presidential Bellwethers

November 5, 2012

Statement of Methodology: The IDs of 300 likely voters for each bellwether were conducted November 1-4 using live telephone interviews of landline and cell phone users. The margin of sampling error is +/- 5.65 percent at a 95 percent level of confidence.

 

Oct. 22, 2012

Ohio Presidential General Election

October 22, 2012

 

Marginals

Marginals (PDF)

Tables

Tables (PDF)

Press Release: Presidential Race is Neck-and-Neck in Ohio

Statement of Methodology: This statewide survey of 600 likely Ohio voters was conducted October 18-21, 2012 using live telephone interviews of landline and cell phone users. The margin of error is +/- 4 percent at a 95 percent level of confidence.

Oct. 11, 2012

Nevada Presidential General Election

October 11, 2012

 

Marginals

Marginals (PDF)

Tables

Cross-Tabs (PDF)

Press Release: Nevada Poll Shows Obama Edging Romney

Statement of Methodology: The statewide survey of 500 registered Nevada voters was conducted October 6-9, 2012, using live telephone interviews of landline and cell phone users. The margin of error is +/-4.4 percent at a 95 percent level of confidence.

Oct. 2, 2012

Florida Presidential & US Senate General Election

October 2, 2012

 

Marginals

Marginals (PDF)

Tables

Tables (PDF)

 

Statement of Methodology: The statewide survey of 600 registered Florida voters was conducted Sept. 27-30, 2012, using live telephone interviews of landline and cell phone users. The margin of error is +/-4 percent at a 95 percent level of confidence.

 

Press Release: Florida Poll Shows Obama with Slight Lead

Sep. 27, 2012

Virginia Presidential General Election

September 27, 2012

 

Marginals

Marginals (PDF)

Tables

Cross-Tabs (PDF)

Press Release: Suffolk University/NBC12 Poll Shows Obama Clinging to a 2-Point Lead in VA

Statement of Methodology: The statewide survey of 600 likely Virginia general election voters was conducted September 24-26, 2012, using live telephone interviews of landline and cell phone users. The margin of error is +/-4 percent at a 95 percent level of confidence.

Mar. 5, 2012

Ohio Republican Presidential Primary

March 5, 2012

 

Marginals

Marginals - PDF

Tables

Cross-Tabs - PDF

Press Release: Ohio Poll Shows Santorum Edging Romney

Statement of Methodology: The statewide survey of 500 likely Ohio Republican Primary voters was conducted March 3-4, 2012, using live telephone interviews of landline and cell phone users. All respondents indicated that they were “very likely” to vote in Tuesday’s Republican Primary or had “already voted.” The margin of error is +/-4.4 percent at a 95 percent level of confidence.

Oct. 29, 2010

Virginia Governor's Race & Bellwethers

October 29, 2010

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Bellwether Results 
Henrico County - (PDF)

Press Release: McDonnell Leads Deeds by 14 Points in Virginia

Statement of Methodology: The Suffolk University statewide poll was conducted Oct. 26 through Oct. 28, 2009, using live interviewers. The margin of error on the study of 400 is +/- 5 percent at a 95 percent level of confidence. All respondents from the Virginia statewide survey were likely voters. Separate from the statewide study, there were 250 respondents identified from Henrico County on Oct. 27 and 28.

 

Oct. 26, 2010

California US Senate & Bellwethers

October 26, 2010

 

Marginals

Marginals (PDF)

Tables

Cross Tabs (PDF)

Bellwether Results
San Benito County (PDF)

Press Release: Suffolk Poll of California: Incumbent Boxer with 9 Point Lead for U.S. Senate

Statement of Methodology: The statewide survey of 600 California likely voters was conducted Oct. 21-24, 2010 using live telephone interviews. The margin of error is +/- 4.0 percent at a 95 percent level of confidence. The San Benito County bellwether included 300 likely voters polled 10/23-10/24. Bellwethers are designed to predict outcomes, not margins.

 

Oct. 21, 2010

Connecticut US Senate & Governor

October 21, 2010

 

Marginals

Marginals (PDF)

Tables

Cross Tabs (PDF)

Bellwether Results
Town of Plainfield (PDF)

Press Release: Suffolk Poll: Democrats Leading for Governor and U.S. Senate in Connecticut

Statement of Methodology: The statewide survey of 500 Connecticut likely voters was conducted with live telephone interviews Oct. 19-20, 2010. The margin of error is +/- 4.4 percent at a 95 percent level of confidence. The town of Plainfield bellwether included 300 likely voters polled 10/19-10/20. Bellwethers are designed to predict outcomes, not margins.

 

Oct. 13, 2010

Nevada US Senate Race & Bellwethers

October 13, 2010

 

Marginals

Marginals (PDF)

Tables

Cross Tabs (PDF)

Bellwether Results
Nye County (PDF)

Press Release: Suffolk University Poll Shows Harry Reid with 3 Point Lead in Tight Nevada Senate Race

Statement of Methodology: The statewide survey of 500 Nevada likely voters was conducted Oct. 8-11, 2010. The margin of error is +/- 4.4 percent at a 95 percent level of confidence. The Nye County bellwether included 300 likely voters polled 10/10-10/11. Bellwethers are designed to predict outcomes, not margins.

 

Oct. 7, 2010

Ohio Governor & US Senator & Bellwethers

October 7, 2010

 

Marginals

Marginals (PDF)

Tables

Cross Tab (PDF)

Bellwether Results
Clark County (PDF)

Press Release: Suffolk University Poll of Ohio: Republicans Leading for U.S. Senator and Governor

Statement of Methodology: The statewide survey of 500 Ohio likely voters was conducted Oct. 4-6, 2010. The margin of error is +/- 4.4 percent at a 95 percent level of confidence. The Clark County bellwether included 300 likely voters polled 10/5-10/6. Bellwethers are designed to predict outcomes, not margins.

Oct. 4, 2010

Illinois US Senate, Governor & Bellwethers

October 4, 2010

 

Marginals

Marginals (PDF)

Tables

Cross Tabs (PDF)

Bellwether Results
Randolph County (PDF)

Press Release: Suffolk University Poll Shows Democrat Quinn Leading for Governor in Illinois

Statement of Methodology: The statewide survey of 500 Illinois likely voters was conducted Sept. 30 – Oct. 3, 2010. The margin of error is +/- 4.4 percent at a 95 percent level of confidence. The Randolph County bellwether included 300 likely voters polled 10/2-10/3. Bellwethers are designed to predict outcomes, not margins.

Sep. 28, 2010

Pennsylvania US Senate, Governor & Bellwethers

September 28, 2010

 

Marginals

Marginals (PDF)

Tables

Cross Tabs (PDF)

Bellwether Results
Erie County (PDF)

Press Release: Suffolk University Poll Shows Republicans Lead for Senate, Governor

Statement of Methodology: The statewide survey of 500 Pennsylvania registered voters was conducted Sept. 24-27, 2010 using live telephone interviews. The margin of error is +/- 4.4 percent at a 95 percent level of confidence. The Erie County bellwether included 300 likely voters polled 9/26-9/27. Bellwethers are designed to predict outcomes, not margins.

 

Jun. 3, 2010

Nevada US Senate GOP Primary

June 3, 2010

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Press Release: Angle Leading in Nevada GOP Primary for U.S. Senate

Statement of Methodology: Suffolk University conducted the Republican Primary poll using live telephone interviews on Tuesday June 1, through Wednesday, June 2, 2010. The margin of error on the statewide survey of 400 is +/- 4.90 percent at a 95 percent level of confidence. All respondents were likely Republican voters in the Nevada Primary to be held Tuesday, June 8.

May 13, 2010

Pennsylvania GOP & Democratic Primaries

May 13, 2010

Marginals 
Democratic Primary - (PDF) 
Republican Primary - (PDF)

Cross Tabs
Democratic Primary - (PDF) 
Republican Primary - (PDF)

Bellwethers
York County, Democratic - (PDF)

Press Release: Suffolk University Poll of Primaries in Pennsylvania

Statement of Methodology: Suffolk University conducted two separate Primary polls through live telephone interviews. Each was fielded Monday, May 11, through Wednesday, May 13, 2010. The margin of error on each statewide survey of 400 is +/- 4.90 percent at a 95 percent level of confidence. All respondents from the statewide survey were likely Democratic or Republican voters in the respective Pennsylvania Primaries to be held Tuesday, May 18.

Apr. 30, 2010

Ohio US Senate Democratic Primary

April 30, 2010

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Bellwether Results
Erie County - (PDF)

Press Release: Poll Shows Fisher Breaking Away in Ohio Democratic Primary

Statement of Methodology: The Suffolk University statewide Democratic Primary poll was conducted was conducted by live telephone interviews Tuesday, April 27, through Thursday, April 29, 2010. The margin of error on the statewide survey of 400 is +/- 4.90 percent at a 95 percent level of confidence. All respondents from the statewide survey were likely Democratic voters in the Ohio U.S. Senate Primary to be held Tuesday, May 4.

Oct. 26, 2009

New Jersey Governor

October 26, 2009

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Bellwether Results 
Gloucester County - (PDF)

Press Release: Corzine Leads Christie By 9 Points In NJ Gubernatorial Race

Statement of Methodology: The Suffolk University statewide poll was conducted Oct. 22 through Oct. 25, 2009. The margin of error on the study of 400 is +/- 5 percent at a 95 percent level of confidence. All respondents from the New Jersey statewide survey were likely voters. Separate from the statewide study, there were 350 respondents identified from Gloucester County on Oct. 24 and 25.

Jun. 4, 2009

Virginia Governor Democratic Primary

June 4, 2009

Marginals

Marginals (PDF)

Tables

Cross Tabs (PDF)

Bellwethers

Accomack County Bellwether  (PDF)

Areas of Virginia (PDF)

Press Release: Undecideds Key in VA Democratic Gubernatorial Primary

Statement of Methodology: The Suffolk University statewide poll was conducted June 1 through June 3, 2009 using live interviewers. The margin of error on the study of 500 is +/- 4.4 percent at a 95 percent level of confidence. All respondents from the statewide survey were registered voters in Virginia who indicated they would vote in the Democratic Primary and could identify the correct timeframe of the Democratic Primary. The Virginia Democratic Primary Accomack County bellwether included 748 respondents phoned on June 2 and June 3, 2009.

 

Oct. 28, 2008

Nevada Presidential General Election

October 28, 2008

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Bellwether Results
Washoe County - (PDF)

Press Release: Obama Surges to 10-Point Lead in Nevada

Statement of Methodology: The Suffolk University poll was conducted Thursday Oct. 23 through Monday Oct. 27. The margin of error on the study of 450 is +/- 4.6 percent at a 95 percent level of confidence. All respondents from the Nevada statewide survey were likely voters. There were 299 respondents in the bellwether of Washoe County, Nev., identified separately from the statewide poll.

Oct. 27, 2008

Florida General Presidential Election

October 27, 2008

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Bellwether Results
Hillsborough County - (PDF)
Monroe County - (PDF)

Press Release: Obama Leads by 5% in Sunshine State

Statement of Methodology: The Suffolk University poll was conducted Thursday October 23, 2008, through Sunday, October 26, 2008. The margin of error on the study of 600 is +/- 4 percent at a 95 percent level of confidence. All respondents from the Florida statewide survey were likely voters. There were 303 respondents each from the bellwethers of Hillsborough and Monroe counties respectively, identified separately from the statewide poll.

Oct. 20, 2008

Ohio & Missouri Presidential General Election

October 20, 2008

Ohio

Marginals - (PDF)

Cross Tabs - (PDF)

Bellwether Results
Perry County - (PDF)

Missouri

Marginals - (PDF)

Cross Tabs - (PDF)

Bellwether Results
Platte County - (PDF)

Press Release: Obama Leads by 9 in Ohio, McCain Edges in Missouri

Statement of Methodology: The Suffolk University Ohio poll was conducted Thursday, Oct. 16, 2008, through Sunday, Oct. 19, 2008. The Missouri poll was conducted Friday, Oct. 17, 2008, through Sunday, Oct. 19, 2008. The margin of error on each study of 600 is +/- 4 percent at a 95 percent level of confidence. All respondents from both surveys were likely voters from Ohio and Missouri. Separate from the statewide poll, there were 312 respondents from the Ohio bellwether of Perry County and 204 respondents from the Missouri bellwether of Platte County.

Oct. 14, 2008

Colorado Presidential General Election

October 14, 2008

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Bellwether Results
Alamosa County - (PDF)

Press Release: Barack Obama Clings to 4 Point Lead in Colorado

Statement of Methodology: The Suffolk University poll was conducted Friday, October 10, 2008, through Monday, October 13, 2008. The margin of error on the study of 600 is +/- 4 percent at a 95 percent level of confidence. All respondents from the Colorado statewide survey were likely voters from all parties in Colorado. Separate from the statewide poll, there were 300 respondents from Alamosa County, Colo.

Oct. 6, 2008

Virginia Presidential General Election & Bellwethers

October 6, 2008

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Bellwether Results
Accomack County - (PDF)
Chesapeake City - (PDF)

Press Release: Obama Overpowering McCain in Virginia

Statement of Methodology: The Suffolk University poll was conducted Friday, October 3, 2008, through Sunday, October 5, 2008. The margin of error on the study of 600 is +/- 4 percent at a 95 percent level of confidence. All respondents from the Virginia statewide survey were likely voters. In the bellwether polls, there were 282 respondents from Chesapeake city and 303 respondents from Accomack County, and both were surveyed separately from the statewide poll.

Sep. 21, 2008

Nevada Presidential General Election & Bellwether

September 21, 2008

 

Marginals

Marginals - (PDF)
Marginals - Washoe County (PDF)

Tables

Cross Tabs - (PDF)

Sep. 15, 2008

Ohio Presidential General Election

September 15, 2008

Marginals

Marginals - (PDF)

Tables

Tables - (PDF)

 

Aug. 25, 2008

Colorado Presidential General Election

August 25, 2008

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Bellwether Results
Alamosa County, CO - (PDF)

Press Release: Obama Leads McCain by 5 Percent in Colorado

Statement of Methodology: The Suffolk University poll was conducted Thursday, August 21, 2008, through Sunday, August 24, 2008. The margin of error on the study of 450 is +/- 4.6 percent at a 95 percent level of confidence. All respondents from the Colorado statewide survey were likely voters from all parties in Colorado. Separate from the statewide poll there were 300 respondents from Alamosa County, CO.

May 19, 2008

Kentucky & Oregon Presidential Democratic Primaries & Bellwethers

May 19, 2008

 

Kentucky

Marginals (PDF)

Cross Tabs (PDF)

Bellwether Results
Montgomery County (PDF)

Oregon

Marginals (PDF)

Cross Tabs (PDF)

Bellwether Results
Marion County (PDF)

Press Release: Clinton Solid in Kentucky; Oregon is Obama’s in Tight Race

Statement of Methodology: The Suffolk University polls were conducted May 17-18, 2008. The margin of error on the statewide surveys of 600 is +/- 4 percent at a 95 percent level of confidence. All respondents from the statewide surveys were likely voters in the May 20 respective Democratic Presidential Primaries.
The Suffolk University election predictor bellwether ID sister-tests (300 contacts, Montgomery County and 149 contacts, Marion County) were made May 18. There was an equal probability of contacting and interviewing likely Democratic voters, provided that they identified themselves as very likely or somewhat likely to take a Democratic ballot on Tuesday.

May 12, 2008

West Virginia Democratic Presidential Primary & Bellwethers

May 12, 2008

 

Marginals

Marginals - (PDF) 

Tables

Cross Tabs - (PDF)

Bellwether Results 
Mason County - (PDF)

Press Release: Poll Predicts 36-Point Clinton Landslide in W. Virginia

Statement of Methodology: The Suffolk University poll was conducted May 10 and May 11, 2008. The margin of error on the statewide survey of 600 is +/- 4.00 percent at a 95 percent level of confidence. All respondents from the statewide survey were likely voters in the May 13 West Virginia Democratic Presidential Primary. The Suffolk University election predictor bellwether ID sister-test (400 contacts) was made May 10. There was an equal probability of contacting and interviewing registered voters of all party affiliations, provided that they identified themselves as likely to take a Democratic ballot on Tuesday.

May 6, 2008

Indiana Democratic Presidential Primary

May 6, 2008

 

Delaware County Bellwether Results

Frequencies (PDF)

Press Release: Indiana Bellwether Points to Clinton Win

Statement of Methodology: Suffolk University interviewed 361 likely Democratic voters from a randomly selected list of 5,000 residents of Delaware County, Ind. All phoning took place on Sunday, May 4, and Monday, May 5, 2008. There was an equal probability of contacting and interviewing registered voters of all party affiliations, provided that they identified themselves as very likely or somewhat likely to take a Democratic ballot on Tuesday. The execution of the identification interviews was by live telephone call.

May 5, 2008

Indiana Presidential Democratic Primary

May 5, 2008

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Press Release: Poll: Clinton Leads Obama in Hoosier State

Statement of Methodology: The Suffolk University poll was conducted May 3 and May 4, 2008. The margin of error on the statewide survey of 600 is +/- 4 percent at a 95 percent level of confidence. All respondents from the statewide survey were likely Democratic Primary voters in the May 6 Indiana Democratic Presidential Primary.

Apr. 22, 2008

Pennsylvania Presidential Democratic Primary

April 22, 2008

Allegheny County Bellwether Results

Frequencies (PDF)

Press Release: Bellwether Points to Clinton Win in Penn.

Statement of Methodology: Suffolk University interviewed 402 likely Democratic voters from a randomly selected list of 5,000 residents of Allegheny County. All phoning took place on Sunday, April 20, and Monday, April 21. There was an equal probability of contacting and interviewing newly registered voters, recent party-switch registrants and longtime Democratic households, provided those contacted were registered Democrats and intended to vote in the Democratic Primary on Tuesday, April 22.

Apr. 21, 2008

Pennsylvania Presidential Democratic Primary

April 21, 2008

 

Marginals

Marginals - (PDF)

Tables

Cross Tabs - (PDF)

Press Release: Poll: Clinton Headed for Keystone State Win

Statement of Methodology: The Suffolk University poll was conducted April 19 - April 20, 2008. The margin of error on the statewide survey of 600 is +/- 4.00 percent at a 95 percent level of confidence. All respondents from the statewide survey were likely Democratic Primary voters in the April 22 Pennsylvania Democratic Presidential Primary.

Mar. 4, 2008

Presidential Primary Bellwethers

March 4, 2008

Ohio - Democratic Primary
Greene County (PDF)
Morgan County (PDF)

Rhode Island - Republican Primary
Providence (PDF)

Press Release: Bellwethers Ring for Clinton and McCain

Statement of Methodology: Suffolk University interviewed 300 likely voters from each of the three counties. A random select of all available registered voters with phone numbers was used as the core sample, which did not include newly registered voters. The execution of the identification interviews was by live telephone call.

Mar. 3, 2008

Ohio Presidential Democratic Primary

March 3, 2008

Marginals

Marginals (PDF)

Tables

Cross Tabs (PDF)

Press Release: Clinton Headed for Win in Buckeye State

Statement of Methodology: The Suffolk University poll was conducted Saturday, March 1, through Sunday, March 2, 2008. The margin of error on the statewide survey of 400 is +/- 4.90 percent at a 95 percent level of confidence. All respondents from the statewide survey were likely Democratic voters in the March 4 Ohio Presidential Primary.

Feb. 6, 2008

Presidential Primary Bellwethers

February 6, 2008

Massachusetts
Waltham (PDF)
Stoneham-Nahant (PDF)

Tennessee 
Knox County Marginals (PDF)

California
Fresno County Gender Cross Tabs (PDF)
Fresno County Republican Gender Cross Tabs (PDF)

Feb. 4, 2008

California Presidential Primaries

February 4, 2008

Statewide Republican
Banner 1 - (PDF)
Banner 2 - (PDF)
Banner 3 - (PDF)
Banner 4 - (PDF)

Statewide Democratic
Banner 1 - (PDF)
Banner 2 - (PDF)
Banner 3 - (PDF)
Banner 4 - (PDF)

Frequencies
Republican - (PDF)
Democratic - (PDF)

Press Release: McCain Clings to Lead in California GOP Primary

Mar. 4, 2004

Missouri Presidential General Election

March 4, 2004

 

Marginals

Marginals (PDF, 16KB)

Cross-Tabs 
Banner 1(82KB)
Entire survey by gender, likely to vote, geographical region, party labels, political philosophy, & most important issue subcategories

Banner 2 (77KB)
Entire survey by economically better or worse off, age, veteran in household, residency, education, and marital status sub-categories

Banner 3 (75KB)
Entire survey by 2004 Ballot Test Bush vs. Kerry, 2004 Ballot Test Bush vs. Edwards, 2004 Ballot Test Mo. Governor, 2000 Vote for President,& Expect to be next President in 2004 subcategories

Banner 4 (76KB)
Entire Survey by same-sex marriage favor/oppose, civil unions favor/oppose, US Constitutional Amendment Restricting Definition of Marriage favor/oppose, Floating Gambling facilities favor/oppose, Conceal Carry Law favor/oppose, Iraq War increased domestic security/long-term security agree/disagree, & Bush exaggerated weapons of mass destruction agree/disagree subcategories

Banner 5 (69KB)
Entire survey by Favorable/Unfavorable Ratings of George Bush, John Edwards, Dick Gephardt, Hillary Clinton, John Kerry, Dick Cheney, John Ashcroft, & Ralph Nader

Feb. 2, 2004

South Carolina Presidential Democratic Primary

February 4, 2004

 

Marginals

Marginals (PDF format, 11kb)

Cross Tabs

"Survey by gender, geographical area, age, veteran in household, union household, and race" (PDF format, 19kb)

"Entire Survey by likely to vote in Pres. primary, Democratic Presidential Primary choice, political philosophy, & Expect next President to be subcategories" (PDF format, 18kb)

Statement of Methodology: Poll fielded Saturday, January 31-Monday February 2, 2004. 400 respondents. Margin of error is +/- 4.90% at a 95% level of confidence.