Opinion polling for the 2012 United States Senate elections

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Class I US Senators will be up for reelection in the United States Senate elections, 2012.

Polled races[edit]

ArizonaArizona[edit]

Incumbent: Jon Kyl (R)-retiring
Winner: Jeff Flake

Source Date Democrat:
Richard Carmona
Republican:
Jeff Flake
Public Policy Polling November 2–3, 2012 46% 51%
Anzalone Liszt October 17–21, 2012 45% 41%
Rasmussen Reports October 21, 2012 44% 50%
YouGov October 4–11, 2012 38% 44%
Rocky Mountain Poll October 4–10, 2012 44% 40%
Harstad Research October 7–9, 2012 47% 43%
Tarrance Group October 7–9, 2012 43% 49%
GS Strategy Group October 8–9, 2012 41% 47%
Public Policy Polling October 1–3, 2012 45% 43%
Moore Information September 25–26, 2012 40% 43%
Rasmussen Reports September 25, 2012 41% 47%
Anzalone Liszt September 18–23, 2012 43% 44%
YouGov September 7–14, 2012 37% 43%
Public Policy Polling September 7–9, 2012 43% 44%
Public Policy Polling July 23–25, 2012 38% 38%
Rasmussen Reports June 26, 2012 31% 47%
Public Policy Polling June 4–5, 2012 41% 43%
Public Policy Polling May 17–20, 2012 35% 48%
Magellan Strategies April 30–May 2, 2012 40% 44%
Anzalone Liszt April 2–9, 2012 39% 43%
Rasmussen Reports March 13, 2012 34% 47%
NBC News/Marist College February 19–20, 2012 29% 42%
Public Policy Polling February 17–19, 2012 35% 46%
Public Policy Polling November 17–20, 2011 36% 40%

CaliforniaCalifornia[edit]

Incumbent: Dianne Feinstein (D)
Winner: Dianne Feinstein

Source Date Democrat:
Dianne Feinstein
Republican:
Elizabeth Emken
The Field Poll October 17–30, 2012 54% 33%
Pepperdine University October 21–28, 2012 51% 32%
LA Times/USC October 15–21, 2012 55% 38%
Reason-Rupe October 11–15, 2012 60% 34%
YouGov October 4–11, 2012 55% 35%
Pepperdine University October 7–10, 2012 48% 31%
SurveyUSA October 7–9, 2012 54% 35%
The Field Poll September 6–18, 2012 57% 31%
SurveyUSA September 9–11, 2012 55% 37%
Pepperdine University September 9–12, 2012 52% 30%
Pepperdine University July 30-August 1, 2012 46% 34%
Field June 21-July 2, 2012 51% 32%
SurveyUSA May 27–29, 2012 50% 34%

ConnecticutConnecticut[edit]

Incumbent: Joe Lieberman (I)-retiring
Winner: Chris Murphy

Source Date Democrat:
Chris Murphy
Republican:
Linda McMahon
Public Policy Polling November 1–2, 2012 52% 43%
Rasmussen Reports October 28, 2012 51% 45%
Gotham Research October 22–24, 2012 47% 41%
Quinnipiac University October 19–22, 2012 49% 43%
Hamilton Campaigns October 19–22, 2012 46% 40%
Rasmussen Reports October 21, 2012 48% 47%
SurveyUSA October 19–21, 2012 47% 43%
Mason-Dixon October 15–17, 2012 44% 44%
Public Policy Polling/LCV October 15–16, 2012 48% 44%
University of Connecticut October 11–16, 2012 44% 38%
Siena Research Institute October 4–14, 2012 46% 44%
YouGov October 4–11, 2012 42% 40%
Rasmussen Reports October 7, 2012 51% 46%
Quinnipiac University September 28–October 2, 2012 47% 48%
National Research October 1–2, 2012 39% 42%
Public Policy Polling September 24–26, 2012 48% 42%
University of Connecticut September 11–16, 2012 37% 33%
Quinnipiac University August 22–26, 2012 46% 49%
Public Policy Polling August 22–23, 2012 48% 44%
Rasmussen Reports August 21, 2012 46% 49%
Public Policy Polling July 26–29, 2012 50% 42%
Quinnipiac University May 29 – June 3, 2012 46% 43%
Quinnipiac University March 14–19, 2012 52% 37%
Yankee Institute February 1–2, 2012 49% 40%
Public Policy Polling September 22–25, 2011 50% 43%
Quinnipiac University September 8–13, 2011 49% 38%
Public Policy Polling March 17–20, 2011 54% 38%

FloridaFlorida[edit]

Incumbent: Bill Nelson (D)
Winner: Bill Nelson

Source Date Democrat:
Bill Nelson
Republican:
Connie Mack IV
Ipsos November 3–5, 2012 55% 40%
Public Policy Polling November 3–4, 2012 51% 46%
Angus Reid November 1–3, 2012 53% 45%
NBC/WSJ/Marist November 3, 2012 52% 43%
Mason Dixon October 30-November 1, 2012 49% 43%
Gravis Marketing October 30, 2012 49% 46%
Public Policy Polling October 26–28, 2012 50% 42%
Quinnipiac University October 23–28, 2012 52% 39%
SurveyUSA October 25–27, 2012 49% 41%
Public Policy Polling October 25, 2012 49% 46%
Mason-Dixon October 22–24, 2012 47% 44%
Voter Survey Service October 22–24, 2012 49% 44%
Pharos Research October 19–21, 2012 52% 44%
Angus Reid Public Opinion October 18–20, 2012 56% 39%
Rasmussen Reports October 18, 2012 48% 43%
Public Policy Polling October 17–18, 2012 45% 41%
Scripps Treasure Coast Newspapers/WPTV October 17–18, 2012 45% 41%
SurveyUSA October 17–18, 2012 48% 40%
Public Policy Polling October 12–14, 2012 45% 37%
YouGov October 4–11, 2012 47% 42%
Rasmussen Reports October 11, 2012 46% 45%
Mason Dixon October 8–10, 2012 47% 42%
NBC/WSJ/Marist Poll October 7–9, 2012 52% 39%
University of North Florida October 1–9, 2012 50% 40%
Rasmussen Reports October 4, 2012 52% 41%
We Ask America October 4, 2012 44% 44%
NBC/WSJ/Marist September 30–October 1, 2012 52% 41%
Suffolk University September 27–30, 2012 40% 34%
Tampa Bay Times/Miami Herald/Bay News 9 September 17–19, 2012 48% 40%
FOX NEWS Poll September 16–18, 2012 49% 35%
Rasmussen Reports September 12, 2012 47% 40%
NBC/WSJ/Marist Poll September 9–11, 2012 51% 37%
SurveyUSA September 7–9, 2012 47% 36%
Public Policy Polling August 31 - Sept 2, 2012 45% 38%
Quinnipiac August 15–21, 2012 50% 41%
Rasmussen Reports August 15, 2012 47% 40%
Quinnipiac July 24–30, 2012 47% 40%
Public Policy Polling July 26–29, 2012 45% 43%
Survey USA July 17–19, 2012 42% 48%
Mason-Dixon July 9–11, 2012 47% 42%
Rasmussen Reports July 9, 2012 37% 46%
Quinnipiac June 19–25, 2012 41% 40%
Quinnipiac June 12–18, 2012 43% 39%
Public Policy Polling May 31 – June 3, 2012 49% 36%
Marist May 17–20, 2012 46% 42%
Quinnipiac May 15–21, 2012 41% 42%
Rasmussen Reports April 25, 2012 47% 36%
Public Policy Polling April 12–15, 2012 47% 37%
Quinnipiac University March 20–26, 2012 44% 36%
Rasmussen Reports February 13, 2012 41% 41%
Mason-Dixon/Miami Herald
El Nuevo Herald/Tampa Bay Times
January 24–26, 2012 45% 42%
Quinnipiac University January 4–8, 2012 41% 40%
Suffolk University January 22–24, 2012 42% 32%
Public Policy Polling November 28-December 1, 2011 46% 35%
Rasmussen Reports November 17, 2011 39% 43%
Quinnipiac University October 31-November 7, 2011 42% 40%
Public Policy Polling March 24–27, 2011 47% 34%

HawaiiHawaii[edit]

Incumbent: Daniel Akaka (D)-retiring
Winner: Mazie Hirono

Source Date Democrat:
Mazie Hirono
Republican:
Linda Lingle
Honolulu Civil Beat/Merriman River Group October 24–26, 2012 55% 40%
Ward Research October 15–22, 2012 57% 35%
Voter/Consumer Research October 9–16, 2012 47% 43%
Benenson Strategy Group October 9–11, 2012 56% 38%
Honolulu Civil Beat/Merriman River Group September 26–28, 2012 55% 39%
The Mellman Group July 18–22, 2012 52% 33%
Ward Research July 12–21, 2012 58% 39%
Voter/Consumer Research July 8–10, 2012 40% 45%
Benenson Strategy Group June 19–21, 2012 53% 41%
Honolulu Civil Beat/Merriman River Group June 5–7, 2012 49% 44%
Public Policy Polling May 16–17, 2012 50% 41%
Ward Research January 26-February 5, 2012 57% 37%
Honolulu Civil Beat/Merriman River Group January 18–19, 2012 46% 39%
Public Policy Polling October 13–16, 2011 48% 42%
Public Policy Polling March 24–27, 2011 52% 40%

IndianaIndiana[edit]

Incumbent: Dick Lugar (R) - lost renomination
Winner: Joe Donnelly

Source Date Democrat:
Joe Donnelly
Republican:
Richard Mourdock
Rasmussen Reports November 1, 2012 45% 42%
McLaughlin & Associates October 31-November 1, 2012 44% 46%
Howey Politics/DePauw University October 28–30, 2012 47% 36%
Global Strategy Group October 28–30, 2012 43% 36%
McLaughlin & Associates October 29–30, 2012 44% 45%
Pharos Research Group October 26–28, 2012 47% 46%
Clarity Campaign Labs October 24–26, 2012 49% 42%
Anzalone Liszt October 24–25, 2012 47% 40%
McLaughlin & Associates October 24–25, 2012 44% 44%
Global Strategies Group October 17–21, 2012 40% 38%
Pharos Research October 19–21, 2012 46% 45%
YouGov October 4–11, 2012 41% 45%
Rasmussen Reports October 10–11, 2012 42% 47%
McLaughlin & Associates October 3–4, 2012 42% 45%
Howey Politics/DePauw University September 19–23, 2012 40% 38%
YouGov September 7–14, 2012 38% 41%
Global Strategy Group September 10–12, 2012 45% 42%
Garin-Hart-Yang Research Group August 9–12, 2012 45% 43%
Market Research Insight August 6–9, 2012 39% 41%
Global Strategy Group August 2–5, 2012 41% 40%
Rasmussen Reports July 31-August 1, 2012 40% 42%
Rasmussen Reports May 23–24, 2012 42% 42%
Global Strategy Group May 10–13, 2012 40% 40%
Howey Politics/DePauw University March 26–27, 2012 35% 35%
Global Strategy Group March 12–15, 2012 34% 28%

MaineMaine[edit]

Incumbent: Olympia Snowe (R)-retiring
Winner: Angus King

Source Date Democrat:
Cynthia Dill
Republican:
Charlie Summers
Independent:
Angus King
Public Policy Polling November 1–2, 2012 12% 36% 50%
Critical Insights October 30–31, 2012 11% 33% 49%
Pan Atlantic SMS September 24–28, 2012 12% 24% 50%
GS Strategy Group September 24–25, 2012 17% 34% 37%
Rasmussen Reports September 25, 2012 14% 33% 45%
Public Policy Polling September 17–18, 2012 14% 35% 43%
Maine People's Resource Center September 15–17, 2012 15% 28% 44%
Critical Insights September 12–16, 2012 12% 28% 50%
GS Strategy Group September 5–6, 2012 11% 34% 44%
Moore Information August 5–6, 2012 8% 28% 46%
Critical Insights June 20–25, 2012 7% 27% 55%
WBUR TV / MassInc Polling Group June 13–14, 2012 9% 23% 50%

MarylandMaryland[edit]

Incumbent: Ben Cardin (D)
Winner: Ben Cardin

Source Date Democrat:
Ben Cardin
Republican:
Dan Bongino
Independent:
Rob Sobhani
OpinionWorks October 20–23, 2012 50% 24% 14%
Washington Post October 11–15, 2012 53% 22% 14%
YouGov October 4–11, 2012 54% 30%
Gonzales Research September 17–23, 2012 50% 22% 21%

MassachusettsMassachusetts[edit]

Incumbent: Scott Brown (R)
Winner: Elizabeth Warren

Source Date Democrat:
Elizabeth Warren
Republican:
Scott Brown
University of Massachusetts Lowell October 31-November 3, 2012 48% 46%
Public Policy Polling November 1 – 2, 2012 52% 46%
Western New England University October 26-November 1, 2012 50% 46%
Kimball Political Consulting October 31-November 1, 2012 47% 49%
Suffolk/WHDH October 25 – 28, 2012 53% 46%
University of New Hampshire October 24 – 28, 2012 47% 47%
Rasmussen Reports October 25, 2012 52% 47%
MassINC for WBUR October 21 – 22, 2012 50% 44%
Kimball Political Consulting October 18 – 21, 2012 48% 45%
Public Policy Polling for the LCV October 15–16, 2012 53% 44%
YouGov October 4 – 11, 2012 46% 39%
Rasmussen Reports October 10, 2012 49% 47%
Public Policy Polling October 9–11, 2012 50% 44%
YouGov October 2–8, 2012 48% 45%
MassINC for WBUR October 5 – 7, 2012 45% 48%
Western N.E. University September 28–October 4, 2012 50% 45%
Harstad Research October 2–4, 2012 50% 45%
Opinion Dynamics for Mass Insight September 25 – 30, 2012 48% 44%
WBUR September 26–28, 2012 49% 45%
Boston Globe September 21–27, 2012 43% 38%
Rasmussen Reports September 24, 2012 48% 48%
UMass Lowell / Boston Herald September 20, 2012 44% 50%
MassINC for WBUR September 15–17, 2012 45% 40%
UMass Lowell / Boston Herald September 13 – 17, 2012 45% 49%
Suffolk/WHDH September 13–16, 2012 48% 44%
Public Policy Polling September 13–16, 2012 48% 46%
Western N.E. Univ. September 6–13, 2012 50% 44%
Kimball Political Consulting September 7–9, 2012 45% 46%
Kimball Political Consulting August 21, 2012 43% 49%
Public Policy Polling August 16–19, 2012 44% 49%
MassINC July 19–22, 2012 40% 38%
Public Policy Polling June 22–24, 2012 46% 46%
Western N.E. University May 29–31, 2012 45% 43%
Boston Globe May 25–31, 2012 37% 39%
Suffolk/WHDH May 20–22, 2012 47% 48%
Rasmussen Reports May 7, 2012 45% 45%
Mass Inc. April 25–28, 2012 43% 41%
Rasmussen Reports April 9, 2012 46% 45%
Boston Globe March 21–27, 2012 35% 37%
Public Policy Polling March 16–18, 2012 46% 41%
Rasmussen Reports February 29, 2012 44% 49%
Suffolk University February 11–15, 2012 40% 49%
MassInc/WBUR February 6–9, 2012 46% 43%
Mass Insight Global/Opinion Dynamics January 31-February 4, 2012 42% 52%
UMass Lowell/PSRAI December 1–6, 2011 49% 42%
Public Policy Polling September 16–18, 2011 46% 44%

MichiganMichigan[edit]

Incumbent: Debbie Stabenow (D)
Winner: Debbie Stabenow

Source Date Democrat:
Debbie Stabenow
Republican:
Pete Hoekstra
Mitchell Research November 4, 2012 55% 41%
YouGov October 31-November 3, 2012 53% 41%
Public Policy Polling November 1–3, 2012 55% 42%
Angus Reid November 1–3, 2012 53% 46%
Foster McCollum November 2, 2012 50% 43%
Public Policy Polling October 31-November 1, 2012 53% 40%
EPIC-MRA October 26–29, 2012 54% 33%
Glengariff Group October 27–29, 2012 52% 38%
Angus Reid October 18–20, 2012 59% 39%
YouGov October 4–11, 2012 49% 39%
Rasmussen Reports October 11, 2012 51% 39%
Glengariff Group October 6–8, 2012 50% 38%
EPIC-MRA October 4–6, 2012 55% 35%
Foster McCollum October 6, 2012 51% 43%
Gravis Marketing September 21–22, 2012 54% 40%
Rasmussen Reports September 20, 2012 53% 37%
Glengariff Group September 15–17, 2012 50% 34%
Marketing Resource Group September 10–15, 2012 46% 40%
Foster McCollum September 12, 2012 47% 42%
EPIC-MRA September 8–11, 2012 49% 38%
Public Policy Polling August 31 - Sept 2, 2012 50% 41%
EPIC-MRA August 28, 2012 51% 44%
Mitchell Research August 23, 2012 44% 45%
Glengariff Group August 18–20, 2012 48% 40%
Foster McCollum August 16, 2012 46% 48%
Foster McCollum July 28, 2012 51% 42%
EPIC-MRA July 24–31, 2012 49% 35%
Public Policy Polling July 21–23, 2012 52% 38%
Rasmussen Reports July 23, 2012 46% 40%
NBC News/Marist June 24–25, 2012 49% 37%
Rasmussen Reports June 14, 2012 48% 39%
EPIC-MRA June 2–5, 2012 49% 38%
Public Policy Polling May 24–27, 2012 53% 37%
Marketing Resource Group March 14–19, 2012 45% 40%
NBC News/Marist College February 19–20, 2012 53% 32%
Public Policy Polling February 10–12, 2012 51% 37%
EPIC-MRA/Detroit Free Press November 13–16, 2011 48% 42%
EPIC-MRA August 13–16, 2011 47% 38%
Public Policy Polling July 21–24, 2011 50% 41%
Public Policy Polling March 18–20, 2011 50% 38%
EPIC-MRA February 12–17, 2011 44% 42%
Wilson Perkins Allen Opinion Research January 9–10, 2011 47% 41%
Public Policy Polling December 3–6, 2010 45% 44%

MinnesotaMinnesota[edit]

Incumbent: Amy Klobuchar (D)
Winner: Amy Klobuchar

Source Date Democrat:
Amy Klobuchar
Republican:
Kurt Bills
SurveyUSA November 1–3, 2012 60% 30%
Public Policy Polling November 2–3, 2012 62% 32%
SurveyUSA October 26–28, 2012 60% 29%
Star Tribune/Mason-Dixon October 23–25, 2012 65% 22%
Rasmussen Reports October 21, 2012 56% 33%
St. Cloud State U. October 15–21, 2012 63% 36%
SurveyUSA/KSTP October 12–14, 2012 58% 30%
YouGov October 4–11, 2012 55% 32%
Public Policy Polling October 5–8, 2012 57% 31%
Star Tribune/Mason-Dixon September 17–19, 2012 57% 28%
Public Policy Polling September 10–11, 2012 55% 36%
KSTP/Survey USA September 6–9, 2012 55% 34%
Survey USA July 17–19, 2012 55% 31%
Public Policy Polling May 31-June 3, 2012 55% 29%

MissouriMissouri[edit]

Incumbent: Claire McCaskill (D)
Winner: Claire McCaskill

Source Date Democrat:
Claire McCaskill
Republican:
Todd Akin
SurveyUSA October 28-November 3, 2012 51% 36%
Public Policy Polling November 2–3, 2012 48% 44%
WeAskAmerica October 30, 2012 49% 45%
Kiley & Company October 25, 2012 53% 39%
Mason-Dixon October 23–25, 2012 45% 43%
Public Policy Polling October 19–21, 2012 46% 40%
Rasmussen Reports October 17, 2012 51% 43%
Harstad Research October 15–17, 2012 47% 35%
Kiley & Company October 15, 2012 52% 38%
Wenzel Strategies October 12–13, 2012 45% 49%
YouGov October 4–11, 2012 47% 42%
Rasmussen Reports October 2, 2012 51% 45%
Public Policy Polling October 1–3, 2012 46% 40%
Wenzel Strategies September 30-October 1, 2012 47% 49%
Kiley & Company September 30, 2012 50% 41%
We Ask America September 25–27, 2012 46% 45%
Chilenski Strategies September 20, 2012 47% 48%
YouGov September 7–14, 2012 45% 38%
Wenzel Strategies September 10–11, 2012 43% 48%
Rasmussen Reports September 11, 2012 49% 43%
Public Policy Polling August 28–29, 2012 45% 44%
Wenzel Strategies August 27–28, 2012 42% 45%
Gravis Marketing August 23, 2012 39% 37%
Mason-Dixon August 22, 2012 50% 41%
Rasmussen Reports August 22–23, 2012 48% 38%
Public Policy Polling August 20, 2012 43% 44%
Survey USA August 9–12, 2012 40% 51%
Chilenski Strategies August 8, 2012 47% 48%
Rasmussen Reports July 30, 2012 44% 47%
Mason-Dixon July 23–25, 2012 44% 49%
Rasmussen Reports June 7, 2012 42% 50%
Public Policy Polling May 24–27, 2012 44%
45%
The Mellman Group May 8–10, 2012 44% 39%
Rasmussen Reports April 17, 2012 43% 48%
Rasmussen Reports March 14–15, 2012 43% 50%
Public Policy Polling January 27–29, 2012 43% 43%
Rasmussen Reports November 9, 2011 47% 45%
Public Policy Polling September 9–12, 2011 45% 43%
Public Policy Polling April 28-May 1, 2011 46% 45%
Public Policy Polling March 3–6, 2011 45% 44%

MontanaMontana[edit]

Incumbent: Jon Tester (D)
Winner: Jon Tester

Source Date Democrat:
Jon Tester
Republican:
Denny Rehberg
Public Policy Polling November 2–3, 2012 48% 46%
Mason Dixon October 29–31, 2012 45% 49%
Garin-Hart-Yang Research Group October 27–29, 2012 44% 43%
Rasmussen Reports October 29, 2012 49% 48%
Pharos Research October 26–28, 2012 48% 47%
Pharos Research October 19–21, 2012 48% 46%
Public Policy Polling/LCV October 15–16, 2012 46% 44%
Rasmussen Reports October 14, 2012 48% 48%
Public Policy Polling October 8–10, 2012 45% 43%
Montana State University September 27–30, 2012 40% 43%
Global Strategy Group September 23–25, 2012 44% 42%
Mason-Dixon September 17–19, 2012 45% 48%
Public Policy Polling September 10–11, 2012 45% 43%
Rasmussen Reports August 20, 2012 43% 47%
Rasmussen Reports June 18, 2012 47% 49%
Rasmussen Reports May 2, 2012 43% 53%
Public Policy Polling April 26–29, 2012 48% 43%
Rasmussen Reports April 2, 2012 44% 47%
Rasmussen Reports February 22, 2012 44% 47%
Pulse Opinion Strategies January 9–10, 2012 42% 53%
Pulse Opinion Strategies January 2–7, 2012 43% 46%
Public Policy Polling November 28–30, 2011 45% 47%
Public Policy Polling June 16–19, 2011 45% 47%
Public Policy Polling March 14–16, 2011 46% 45%
47 North February 16–17, 2011 44% 47%
Public Policy Polling November 10–13, 2010 46% 48%

NebraskaNebraska[edit]

Incumbent: Ben Nelson (D)-retiring
Winner: Deb Fischer

Source Date Democrat:
Bob Kerrey
Republican:
Deb Fischer
We Ask America November 1, 2012 41% 54%
Pharos Research Group October 26–28, 2012 47% 50%
Gravis Marketing October 28, 2012 44% 56%
Weise Research Associates October 23–25, 2012 46% 49%
Public Opinion Strategies October 23–25, 2012 39% 55%
Pharos Research October 19–21, 2012 46% 48%
Hickman Analytics October 14–16, 2012 45% 50%
Weise Research Associates September 17–20, 2012 40% 56%
Public Opinion Strategies June 17–18, 2012 33% 58%
Rasmussen Reports May 16, 2012 38% 56%
Public Policy Polling March 22–25, 2012 38% 48%
Rasmussen Reports March 5, 2012 34% 46%

NevadaNevada[edit]

Incumbent: Dean Heller (R)
Winner: Dean Heller

Source Date Democrat:
Shelley Berkley
Republican:
Dean Heller
Public Policy Polling November 3–4, 2012 46% 48%
YouGov October 31-November 3, 2012 40% 49%
LVRJ/SurveyUSA October 23–29, 2012 40% 46%
Grove Insight October 27–28, 2012 43% 44%
NBC/WSJ/Marist October 23–24, 2012 45% 48%
Public Policy Polling October 22–24, 2012 44% 44%
Rasmussen Reports October 23, 2012 45% 50%
The Mellman Group October 15–17, 2012 41% 38%
Rasmussen Reports October 15, 2012 43% 50%
LVRJ/Survey USA October 11–15, 2012 40% 46%
YouGov October 4–11, 2012 36% 42%
The Mellman Group October 8–10, 2012 42% 39%
Public Policy Polling October 8–10, 2012 44% 47%
Suffolk October 5–10, 2012 37% 40%
SurveyUSA October 3–8, 2012 39% 47%
Rasmussen Reports October 8, 2012 45% 48%
Precision Opinion October 6, 2012 43% 45%
Gravis Marketing October 3, 2012 36% 53%
WSJ/NBC Poll September 23–25, 2012 43% 49%
We Ask America September 25–27, 2012 45% 45%
Public Policy Polling September 18–20, 2012 48% 44%
Glen Bolger September 19–20, 2012 39% 44%
Rasmussen Reports September 18, 2012 41% 42%
Public Policy Polling August 23–26, 2012 45% 47%
Survey USA August 16–21, 2012 39% 44%
Garin Hart Yang Research Group August 13–15, 2012 44% 42%
Rasmussen Reports July 24, 2012 42% 51%
Magellan Strategies July 16–17, 2012 42% 45%
Public Policy Polling June 7–10, 2012 43% 44%
NBC News/Marist May 22–24, 2012 44% 46%
Rasmussen Reports April 30, 2012 40% 51%
Public Policy Polling March 29-April 1, 2012 43% 46%
Rasmussen Reports March 19, 2012 40% 47%
Public Opinion Strategies February 21–23, 2012 44% 47%
LVRJ/University of Nevada December 12–20, 2011 44% 43%
Public Policy Polling October 20–23, 2011 45% 45%
Public Policy Polling July 28–31, 2011 43% 46%
Tarrance Group July 12–13, 2011 44% 48%
Magellan Strategies June 21–22, 2011 46% 44%
Public Policy Polling April 21–24, 2011 43% 47%
Public Policy Polling January 3–5, 2011 38% 51%

New JerseyNew Jersey[edit]

Incumbent: Robert Menendez (D)
Winner: Robert Menendez

Source Date Democrat:
Robert Menendez
Republican:
Joseph Kyrillos
Global Strategies Group/National Research October 23–25, 2012 50% 32%
Stockton Polling Institute October 12–18, 2012 52% 30%
SurveyUSA October 17–18, 2012 53% 33%
Quinnipiac University October 10–14, 2012 55% 37%
YouGov October 4–11, 2012 49% 32%
Global Strategy Group October 4–8, 2012 49% 35%
Monmouth University September 19–23, 2012 49% 34%
Fairleigh Dickinson University September 6–12, 2012 50% 36%
Global Strategy Group September 9–12, 2012 43% 32%
Quinnipiac University August 27-September 2, 2012 50% 40%
Rutgers University August 23–25, 2012 47% 35%
Fairleigh Dickinson University July 23–29, 2012 45% 33%
Monmouth University July 18–22, 2012 44% 35%
Quinnipiac University July 9–15, 2012 47% 34%
Quinnipiac University May 9–14, 2012 45% 35%
Fairleigh Dickinson University/PublicMind April 30 - May 6, 2012 42% 33%
Quinnipiac University April 3–9, 2012 44% 35%
Fairleigh Dickinson University March 5–11, 2012 43% 33%
Quinnipiac University February 21–27, 2012 49% 34%
Survey USA February 24–26, 2012 46% 31%
Rutgers University February 9–11, 2012 44% 22%
Fairleigh Dickinson University January 2–8, 2012 43% 31%
Fairleigh Dickinson University September 20–25, 2011 49% 28%
Public Policy Polling July 15–18, 2011 48% 29%
Fairleigh Dickinson University January 3–9, 2011 41% 29%

New MexicoNew Mexico[edit]

Incumbent: Jeff Bingaman (D)-retiring
Winner: Martin Heinrich

Source Date Democrat:
Martin Heinrich
Republican:
Heather Wilson
Public Opinion Strategies October 30–31, 2012 46% 46%
GBA Strategies October 27–29, 2012 51% 41%
Albuquerque Journal October 23–25, 2012 50% 42%
Public Policy Polling October 23–24, 2012 52% 44%
Public Opinion Strategies October 21–22, 2012 43% 44%
Albuquerque Journal October 9–11, 2012 48% 39%
Rasmussen Reports October 8, 2012 52% 39%
GBA Strategies October 4–7, 2012 55% 42%
Public Policy Polling October 2–3, 2012 51% 41%
We Ask America September 25–27, 2012 52% 41%
Glen Bolger September 25–27, 2012 43% 42%
Rasmussen Reports September 27, 2012 52% 39%
GBA Strategies September 24–26, 2012 52% 44%
Public Opinion Strategies September 12–13, 2012 46% 41%
Public Policy Polling September 7–9, 2012 50% 41%
Albuquerque Journal September 3–6, 2012 49% 42%
Rasmussen Reports August 21, 2012 48% 41%
GBA Strategies August 14–19, 2012 51% 44%
FM3 August 5–7, 2012 50% 41%
Public Policy Polling July 13–16, 2012 48% 43%
We Ask America July 9–10, 2012 51% 42%
FM3 June 28-July 1, 2012 49% 45%
Public Policy Polling April 19–22, 2012 48% 43%
Rasmussen Reports April 3, 2012 46% 42%
Rasmussen Reports February 14, 2012 45% 43%
Public Opinion Strategies January 2–7, 2012 45% 44%
Public Policy Polling December 10–12, 2011 47% 40%
Public Policy Polling June 23–26, 2011 47% 42%
Public Policy Polling February 4–6, 2011 50% 39%

New YorkNew York[edit]

Incumbent: Kirsten Gillibrand (D)
Winner: Kirsten Gillibrand

Source Date Democrat:
Kirsten Gillibrand
Republican:
Wendy E. Long
SurveyUSA October 23–25, 2012 64% 22%
Siena College October 22–24, 2012 67% 24%
Marist October 18–21, 2012 68% 24%
YouGov October 4–11, 2012 55% 25%
Quinnipiac September 4–9, 2012 64% 27%
Siena College August 14–19, 2012 65% 22%
Quinnipiac July 17–23, 2012 57% 24%
Siena College July 10–15, 2012 62% 25%
Siena College June 3–6, 2012 65% 22%
Quinnipiac May 22–28, 2012 58% 24%
Siena College May 6–10, 2012 60% 26%
Siena College April 1–4, 2012 63% 23%
Quinnipiac University March 28-April 2, 2012 58% 25%

North Dakota North Dakota[edit]

Incumbent: Kent Conrad (D) - retiring
Winner: Heidi Heitkamp

Source DateS Democrat:
Heidi Heitkamp
Republican:
Rick Berg
Pharos Research Group October 26–28, 2012 50% 48%
Mason-Dixon October 26–28, 2012 45% 47%
The Mellman Group October 21–24, 2012 48% 44%
Pharos Research Group October 19–21, 2012 49% 48%
The Mellman Group October 16–19, 2012 45% 42%
Rasmussen Reports October 17–18, 2012 45% 50%
Forum/Essman October 12–15, 2012 40% 50%
Mason-Dixon October 3–5, 2012 47% 47%
DFM Research September 24–27, 2012 48% 44%
DFM Research July 24–26, 2012 50% 44%
Rasmussen Reports July 10–11, 2012 40% 49%
Mason Dixon June 4–6, 2012 47% 46%
DFM Research May 22–25, 2012 45% 44%
Forum Communications Co. May 3–8, 2012 44% 51%
DFM Research April 18–26, 2012 49% 44%
The Mellman Group November 12–16, 2011 47% 42%

OhioOhio[edit]

Incumbent: Sherrod Brown (D)
Winner: Sherrod Brown

Source Date Democrat:
Sherrod Brown
Republican:
Josh Mandel
Ipsos November 3–5, 2012 52% 43%
University of Cincinnati October 31-November 4, 2012 51% 47%
SurveyUSA November 1–4, 2012 44% 41%
Public Policy Polling November 3–4, 2012 54% 44%
Columbus Dispatch October 24-November 3, 2012 51% 45%
NBC/WSJ/Marist November 3, 2012 50% 45%
Rasmussen Reports November 1, 2012 48% 48%
Wenzel Strategies October 30–31, 2012 45% 50%
University of Cincinnati October 25–30, 2012 49% 44%
SurveyUSA October 26–29, 2012 46% 41%
Public Policy Polling October 26–28, 2012 53% 42%
Quinnipiac University October 23–28, 2012 51% 42%
Pharos Research Group October 26–28, 2012 50% 43%
Gravis Marketing October 27, 2012 48% 47%
Rasmussen Reports October 26, 2012 50% 48%
University of Cincinnati October 18–23, 2012 51% 47%
SurveyUSA October 20–22, 2012 43% 42%
Rasmussen Reports October 22, 2012 48% 44%
Suffolk University October 18–21, 2012 46% 39%
Pharos Research Group October 19–21, 2012 52% 41%
Quinnipiac University October 17–20, 2012 51% 42%
Angus Reid October 18–20, 2012 52% 45%
Public Policy Polling October 18–20, 2012 49% 44%
Public Opinion Strategies October 17–18, 2012 43% 44%
Rasmussen Reports October 17, 2012 49% 44%
SurveyUSA October 12–15, 2012 43% 38%
Pulse Opinion Research October 15, 2012 47% 41%
Public Policy Polling October 12–13, 2012 49% 42%
YouGov October 4–11, 2012 48% 43%
Rasmussen Reports October 10, 2012 47% 46%
NBC/WSJ/Marist October 7–9, 2012 52% 41%
Pulse Opinion Research October 8, 2012 48% 43%
SurveyUSA October 5–8, 2012 42% 38%
Wenzel Strategies October 4–5, 2012 42% 46%
We Ask America October 4, 2012 46% 44%
Rasmussen Reports October 4, 2012 46% 46%
NBC/WSJ/Marist September 30–October 1, 2012 50% 41%
CBS/New York Times/Quinnipiac September 18–24, 2012 50% 40%
Washington Post September 19–23, 2012 53% 41%
Gravis Marketing September 21–22, 2012 44% 43%
FOX NEWS Poll September 16–18, 2012 47% 40%
Rasmussen Reports September 12, 2012 49% 41%
NBC/WSJ/Marist Poll September 9–11, 2012 49% 42%
Public Policy Polling September 7–9, 2012 48% 40%
Gravis Marketing September 7–8, 2012 47% 42%
Columbus Dispatch August 15–25, 2012 44% 44%
Ohio Poll August 16–21, 2012 48% 47%
Quinnipiac August 15–21, 2012 48% 41%
Rasmussen Reports August 13, 2012 44% 44%
Quinnipiac July 24–30, 2012 51% 39%
Rasmussen Reports July 18, 2012 46% 42%
Quinnipiac June 19–25, 2012 50% 34%
Public Policy Polling June 21–24, 2012 46% 39%
Rasmussen Reports May 29, 2012 47% 42%
NBC News/Marist May 17–20, 2012 51% 37%
Quinnipiac May 2–7, 2012 46% 40%
Public Policy Polling May 3–6, 2012 45% 37%
Rasmussen Reports April 18, 2012 44% 41%
Rasmussen Reports March 26, 2012 43% 43%
Quinnipiac University March 20–26, 2012 46% 36%
Quinnipiac University February 7–12, 2012 48% 35%
Rasmussen Reports February 8, 2012 44% 40%
Public Policy Polling January 28–29, 2012 47% 36%
Public Policy Polling November 4–6, 2011 49% 34%
Quinnipiac University May 10–16, 2011 45% 31%

PennsylvaniaPennsylvania[edit]

Incumbent: Bob Casey, Jr. (D)
Winner: Bob Casey, Jr.

Source Date Democrat:
Bob Casey, Jr.
Republican:
Tom Smith
Angus Reid November 2–4, 2012 53% 46%
Public Policy Polling November 2–3, 2012 52% 44%
McLauglin & Associates November 1, 2012 46% 46%
Franklin and Marshall College October 23–28, 2012 48% 39%
Philadelphia Inquirer October 23–25, 2012 49% 42%
Rasmussen Reports October 25, 2012 46% 45%
Harstad Research October 21–24, 2012 52% 40%
Wenzel Strategies October 22–23, 2012 45% 44%
Muhlenberg College October 17–21, 2012 45% 37%
Pharos Research Group October 19–21, 2012 52% 42%
Angus Reid October 18–20, 2012 51% 45%
GS Strategy Group October 17–18, 2012 44% 44%
Garin-Hart-Yang Research Group October 15–17, 2012 52% 39%
Pulse Opinion Research October 15, 2012 47% 46%
Quinnipiac October 12–14, 2012 48% 45%
Public Policy Polling October 12–14, 2012 50% 39%
Muhlenberg College October 10–14, 2012 41% 39%
Susquehanna Research October 11–13, 2012 48% 46%
YouGov October 4–11, 2012 48% 41%
Rasmussen Reports October 9, 2012 49% 45%
Philadelphia Inquirer October 4–8, 2012 48% 38%
McLauglin & Associates October 7–8, 2012 46% 44%
Pulse Opinion Research October 8, 2012 44% 41%
Susquehanna Polling October 4–6, 2012 46% 44%
Siena Poll October 1–5, 2012 44% 35%
Muhlenberg College September 22–26, 2012 44% 36%
Quinnipiac/CBS/NYT Poll September 18–24, 2012 49% 43%
Franklin & Marshall September 18–23, 2012 48% 38%
Rasmussen Reports September 19, 2012 49% 42%
College September 10–16, 2012 45% 33%
Philadelphia Inquirer August 21–23, 2012 53% 34%
MCall/Muhlenburg Poll August 20–22, 2012 49% 30%
Franklin & Marshall College August 7–12, 2012 35% 23%
Quinnipiac July 24–30, 2012 55% 37%
Public Policy Polling July 21–23, 2012 46% 36%
Rasmussen Reports July 18, 2012 49% 38%
We Ask America July 9–10, 2012 53% 39%
Quinnipiac June 19–25, 2012 49% 32%
Quinnipiac June 5–10, 2012 51% 32%
Franklin & Marshall College May 29–June 4, 2012 42% 21%
Rasmussen Reports May 21, 2012 48% 41%
Public Policy Polling May 17–20, 2012 49% 33%
Public Policy Polling March 8–11, 2012 49% 29%
Public Policy Polling November 17–20, 2011 48% 32%

Rhode IslandRhode Island[edit]

Incumbent: Sheldon Whitehouse (D)
Winner: Sheldon Whitehouse

Source Date Democrat:
Sheldon Whitehouse
Republican:
Barry Hinckley
Fleming & Associates October 24–27, 2012 55% 33%
McLaughlin and Associates October 11, 2012 49% 41%
Brown University September 26-October 5, 2012 59% 30%
Fleming & Associates September 26–29, 2012 56% 30%
Fleming & Associates February 20–23, 2012 50% 28%

TennesseeTennessee[edit]

Incumbent: Bob Corker (R)
Winner: Bob Corker

Source Date Democrat:
Mark Clayton
Republican:
Bob Corker
MTSU Survey Group October 16–21, 2011 21% 59%
YouGov October 4–11, 2012 27% 48%
YouGov September 7–14, 2012 25% 49%

TexasTexas[edit]

Incumbent: Kay Bailey Hutchison (R)-retiring
Winner: Ted Cruz

Source Date Democrat:
Paul Sadler
Republican:
Ted Cruz
UT/Texas Tribune October 15–21, 2012 39% 54%
YouGov October 4–11, 2012 36% 51%
Texas Lyceum September 10–26, 2012 24% 50%
YouGov September 7–14, 2012 31% 50%
Frederick Polling September 2012 32% 49%
Public Policy Polling April 19–22, 2012 34% 44%
Public Policy Polling January 12–15, 2012 31% 41%

UtahUtah[edit]

Incumbent: Orrin Hatch (R)
Winner: Orrin Hatch

Source Date Democrat:
Scott Howell
Republican:
Orrin Hatch
Dan Jones and Associates October 26-November 1, 2012 26% 63%
Key Research October 9–13, 2012 22% 61%
Utah State University October 8–13, 2012 24% 67%
Deseret News/KSL-TV June 15–21, 2012 29% 63%

VirginiaVirginia[edit]

Incumbent: Jim Webb (D)-retiring
Winner: Tim Kaine

Source Date Democrat:
Tim Kaine
Republican:
George Allen
Ipsos November 3–5, 2012 48% 45%
NBC/WSJ/Marist November 5, 2012 49% 46%
Public Policy Polling November 3–4, 2012 52% 46%
Rasmussen Reports November 4, 2012 49% 47%
We Ask America October 31-November 1, 2012 50% 50%
Quinnipiac University October 23–28, 2012 50% 46%
Washington Post October 22–26, 2012 51% 44%
Roanoke College October 23–26, 2012 42% 47%
Gravis Marketing October 26, 2012 46% 48%
Rasmussen Reports October 24, 2012 49% 48%
Wenzel Strategies October 19–20, 2012 46% 49%
Rasmussen Reports October 19, 2012 49% 48%
Garin-Hart-Yang Research Group October 15–18, 2012 48% 44%
Old Dominion University September 19-October 17, 2012 50% 43%
Public Policy Polling October 15–16, 2012 50% 45%
Pulse Opinion Research October 15, 2012 46% 44%
YouGov October 4–11, 2012 42% 42%
Rasmussen Reports October 11, 2012 48% 47%
Quinnipiac University October 4–9, 2012 51% 44%
NBC/WSJ/Marist Poll October 7–9, 2012 47% 46%
We Ask America October 7–9, 2012 41% 46%
McLaughlin & Associates October 8–9, 2012 44% 47%
Pulse Opinion Research October 8, 2012 44% 47%
Public Policy Polling October 4–7, 2012 51% 44%
Rasmussen Reports October 4, 2012 52% 45%
NBC/WSJ/Marist September 30–October 1, 2012 49% 44%
Huffpost Politics September 20, 2012 46% 45%
Gravis Marketing September 17, 2012 43% 48%
FOX NEWS Poll September 16–18, 2012 47% 43%
CBS/NYT/Quinnipiac September 11–17, 2012 51% 44%
Public Policy Polling September 13–16, 2012 47% 46%
Washington Post September 12–16, 2012 51% 43%
Rasmussen Reports September 13, 2012 47% 45%
NBC/WSJ/Marist Poll September 9–11, 2012 46% 46%
Gravis Marketing September 8–9, 2012 43% 48%
Rasmussen Reports August 23, 2012 45% 45%
Public Policy Polling August 16–19, 2012 46% 46%
Rasmussen Reports August 7, 2012 46% 46%
Quinnipiac July 31-August 6, 2012 48% 46%
Rasmussen Reports July 16–17, 2012 46% 45%
Quinnipiac July 10–16, 2012 44% 46%
Public Policy Polling July 5–8, 2012 46% 44%
We Ask America June 25, 2012 35% 44%
Quinnipiac May 30-June 4, 2012 44% 43%
Marist May 17–20, 2012 49% 43%
Washington Post April 28 - May 2, 2012 46% 46%
Public Policy Polling April 26–29, 2012 46% 45%
Rasmussen Reports April 23, 2012 45% 46%
Roanoke College March 26-April 5, 2012 36% 44%
Rasmussen Reports March 20, 2012 44% 46%
Quinnipiac University March 13–18, 2012 47% 44%
Roanoke College February 13–26, 2012 37% 45%
Rasmussen Reports February 21, 2012 46% 46%
Public Policy Polling December 10–12, 2011 47% 42%
Public Policy Polling July 21–24, 2011 46% 43%

Washington (state)Washington[edit]

Incumbent: Maria Cantwell (D)
Winner: Maria Cantwell

Source Date Democrat:
Maria Cantwell
Republican:
Michael Baumgartner
Public Policy Polling November 1–3, 2012 57% 39%
University of Washington October 18–31, 2012 61% 33%
University of Washington October 1–16, 2012 58% 35%
Rasmussen Reports October 14, 2012 52% 37%
YouGov October 4–11, 2012 55% 36%
SurveyUSA September 28–30, 2012 53% 40%
Rasmussen Reports September 26, 2012 57% 37%
Survey USA September 7–9, 2012 54% 38%
Survey USA July 16–18, 2012 51% 40%
Public Policy Polling June 14–17, 2012 51% 35%
Public Policy Polling February 16–19, 2012 51% 36%
Survey USA January 12–16, 2012 50% 41%
Survey USA November 21–23, 2011 51% 39%
Public Policy Polling May 12–15, 2011 53% 40%

West VirginiaWest Virginia[edit]

Incumbent: Joe Manchin (D)
Winner: Joe Manchin

Source Date Democrat:
Joe Manchin
Republican:
John Raese
R.L. Repass August 22–25, 2012 66% 27%
R.L. Repass April 25–28, 2012 74% 22%
Public Policy Polling September 1–4, 2011 62% 23%
Public Policy Polling April 21–24, 2011 61% 29%
Public Policy Polling January 20–23, 2011 60% 31%

WisconsinWisconsin[edit]

Incumbent: Herb Kohl (D)-retiring
Winner: Tammy Baldwin

Source Date Democrat:
Tammy Baldwin
Republican:
Tommy Thompson
YouGov October 31-November 3, 2012 48% 47%
Angus Reid November 1–3, 2012 50% 48%
Public Policy Polling November 2–3, 2012 51% 48%
We Ask America October 30-November 1, 2012 49% 46%
Wenzel Strategies October 30–31, 2012 45% 47%
Feldman Group October 28–30, 2012 48% 45%
St. Norbert College October 25–29, 2012 43% 46%
NBC/WSJ/Marist October 28–29, 2012 48% 47%
Rasmussen Reports October 29, 2012 48% 48%
Public Opinion Strategies October 29, 2012 47% 48%
Marquette University October 25–28, 2012 47% 43%
Rasmussen Reports October 25, 2012 47% 48%
Feldman Group October 18–21, 2012 49% 44%
Angus Reid Public Opinion October 18–20, 2012 50% 47%
Rasmussen Reports October 18, 2012 46% 48%
NBC/WSJ/Marist October 15–17, 2012 49% 45%
Mason Dixon October 15–17, 2012 47% 45%
Feldman Group October 14–16, 2012 48% 44%
Pulse Opinion Research October 15, 2012 47% 46%
Marquette University October 11–14, 2012 45% 46%
YouGov October 4–11, 2012 48% 43%
Rasmussen Reports October 9, 2012 51% 47%
CBS/NYT/Quinnipiac October 4–9, 2012 48% 46%
Pulse Opinion Research October 8, 2012 47% 45%
Public Policy Polling October 4–6, 2012 49% 46%
Marquette University September 27–30, 2012 48% 44%
We Ask America September 20–23, 2012 52% 40%
Public Policy Polling September 18–19, 2012 49% 45%
Rasmussen Reports September 17, 2012 49% 46%
NBC/WSJ/Marist Poll September 16–18, 2012 48% 46%
Marquette University September 13–16, 2012 50% 41%
CBS/NYT/Quinnipiac September 11–17, 2012 47% 47%
Public Policy Polling September 12–13, 2012 48% 45%
Feldman Group September 9–12, 2012 50% 45%
CBS/NYT/Quinnipiac August 15–21, 2012 44% 50%
Public Policy Polling August 16–19, 2012 44% 49%
Marquette University August 16–19, 2012 41% 50%
Rasmussen Reports August 15, 2012 43% 54%
Quinnipiac July 31-August 6, 2012 47% 47%
Marquette University August 2–5, 2012 43% 48%
Rasmussen Reports July 25, 2012 48% 41%
Marquette University July 5–8, 2012 41% 45%
Public Policy Polling July 5–8, 2012 45% 45%
Marquette University June 13–16, 2012 41% 49%
Rasmussen Reports June 12, 2012 36% 52%
Public Policy Polling May 11–13, 2012 42% 47%
Rasmussen Reports May 9, 2012 38% 50%
Public Policy Polling April 13–15, 2012 45% 47%
Rasmussen Reports March 27, 2012 44% 48%
Rasmussen Reports February 27, 2012 36% 50%
Public Policy Polling February 23–26, 2012 46% 45%
Marquette University February 16–19, 2012 42% 48%
Rasmussen Reports October 26, 2011 42% 49%
Public Policy Polling October 20–23, 2011 44% 46%
Public Policy Polling August 12–14, 2011 42% 50%
Public Policy Polling May 19–22, 2011 44% 45%

Other races[edit]

State Democrats Republicans Other
DelawareDelaware Tom Carper (I) Kevin Wade
MississippiMississippi Albert Gore Roger Wicker (I)
VermontVermont none John MacGovern Bernie Sanders (I)
WyomingWyoming Tim Chesnut John Barrasso (I)

External links[edit]