# Nationwide opinion polling for the 2012 United States presidential election

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| ← 2008 | 2012 | 2016 → |
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Nationwide public opinion polls that were conducted relating to the 2012 United States presidential election are as follows. The election was between Democratic Incumbent President Barack Obama, Republican Mitt Romney, as well as other third-party and independent challengers.
The persons named in the polls were official candidates in the general election or former candidates for a particular party's nomination.

## General election of 2012
### Since convention nominations
#### Two-way race

| Poll source | Date | Barack Obama Democratic | Mitt Romney Republican | Leading by % | Sample Size* | Margin of Error (MoE) |
| RCP Average | October 22 – November 4, 2012 | 48.8% | 48.1% | 0.7 | -- |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | November 4–5, 2012 | 47% | 47% | Tied | 1000 LV | ±3.1% |
| The Economist/YouGov | November 3–5, 2012 | 49% | 47% | 2 | 740 LV | ±4.6% |
| Gravis Marketing | November 3–5, 2012 | 48% | 48% | Tied | 872 LV | ±3.3% |
| UPI/CVOTER | November 3–5, 2012 | 49% | 48% | 1 | 3000 LV | ±3.5% |
| Investor's Business Daily/TIPP | November 3–5, 2012 | 50.3% | 48.7% | 1.6 | 712 LV | ±3.7% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | November 3–5, 2012 | 48% | 48% | 1 | 3000 LV | ±2.5% |
| American Research Group | November 2–4, 2012 | 49% | 49% | Tied | 1200 LV | ±3% |
| CNN/Opinion Research Corporation | November 2–4, 2012 | 49% | 49% | Tied | 693 LV | ±3.5% |
| Gallup (Daily Tracking) | November 1–4, 2012 | 49% | 50% | 1 | 2551 LV | ±2% |
| Democracy Corps/Greenberg Quinlan Rosner (D) | November 1–4, 2012 | 49% | 45% | 4 | 1080 LV | Not reported |
| Monmouth University/Braun Research/SurveyUSA | November 1–4, 2012 | 48% | 48% | Tied | 1417 LV | ±2.6% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | November 1–4, 2012 | 50% | 48% | 2 | 1300 LV | ±2.7% |
| Angus Reid Public Opinion | November 1–3, 2012 | 51% | 48% | 3 | Not reported | Not reported |
| NBC News/Wall Street Journal | November 1–3, 2012 | 48% | 47% | 1 | 1475 LV | ±2.55% |
| Pew Research Center | October 31 – November 3, 2012 | 48%' | 45% | 3 | 2709 LV | ±2.2% |
| YouGov | October 31 – November 3, 2012 | 48.5% | 46.5% | 2 | 36472 LV | Not reported |
| UPI/CVOTER | November 2, 2012 | 49% | 48% | 1 | 1074 LV | ±4.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 31 – November 2, 2012 | 48% | 48% | Tied | 3000 LV | ±2.5% |
| Purple Strategies | October 31 – November 1, 2012 | 47% | 46% | 1 | 1000 LV | ±3.1% |
| Americans United for Change/Public Policy Polling (Daily Tracking) (D) | October 30 – November 1, 2012 | 49% | 48% | 1 | 1200 LV | ±2.8% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | October 29 – November 1, 2012 | 48% | 49% | 1 | 1000 LV | ±3.1% |
| Reuters/Ipsos (Daily Tracking) | October 28 – November 1, 2012 | 47% | 46% | 1 | 4556 LV | ±3.4% |
| ABC News/Washington Post (Daily Tracking) | October 28–31, 2012 | 49% | 48% | 1 | 1293 LV | ±3% |
| UPI/CVOTER | October 15–31, 2012 | 49% | 48% | 1 | 3633 LV | ±4.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 28–30, 2012 | 47% | 49% | 2 | 1500 LV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | October 28–30, 2012 | 46% | 46% | Tie | 1128 LV | ±3% |
| High Point University | October 22–30, 2012 | 46% | 43% | 3 | 805 RV | ±3.45% |
| The Economist/YouGov | October 26–28, 2012 | 48% | 47% | 1 | 688 LV | ±4.6% |
| United Technologies/National Journal | October 25–28, 2012 | 50% | 45% | 5 | 713 LV | ±4.4% |
| CBS News/New York Times | October 25–28, 2012 | 48% | 47% | 1 | 563 LV | ±4% |
| Daily Kos/Service Employees' International Union/Public Policy Polling | October 25–28, 2012 | 49% | 49% | Tied | 1400 LV | ±2.6% |
| American Research Group | October 25–28, 2012 | 48% | 48% | Tied | 1200 LV | ±3% |
| Pew Research Center | October 24–28, 2012 | 47% | 47% | Tied | 1495 LV | ±2.9% |
| Gallup (Daily Tracking) | October 22–28, 2012 | 46% | 51% | 5 | 2700 LV | ±2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 25–27, 2012 | 47% | 50% | 3 | 1500 LV | ±3% |
| ABC News/Washington Post (Daily Tracking) | October 24–27, 2012 | 48% | 49% | 1 | 1278 LV | ±3% |
| Reuters/Ipsos (Daily Tracking) | October 23–27, 2012 | 47% | 45% | 2 | 1291 LV | ±3.1% |
| Investor's Business Daily/TIPP (Daily Tracking) | October 22–27, 2012 | 45.4% | 44.1% | 1.3 | 942 LV | ±3.5% |
| Americans United for Change/Public Policy Polling (Daily Tracking) (D) | October 23–25, 2012 | 48% | 48% | Tied | 1200 LV | ±2.8% |
| NPR/Resurgent Republic/Democracy Corps/North Star Opinion Research | October 23–25, 2012 | 47% | 48% | 1 | 1000 LV | ±3.1% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | October 22–25, 2012 | 49% | 48% | 1 | 1000 LV | ±3.1% |
| UPI/CVOTER | October 19–25, 2012 | 48% | 48% | Tied | 1203 LV | ±4.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 22–24, 2012 | 47% | 50% | 3 | 1500 LV | ±3% |
| ABC News/Washington Post (Daily Tracking) | October 20–23, 2012 | 48% | 49% | 1 | 1394 LV | ±3% |
| Associated Press/GfK Group/Roper | October 19–23, 2012 | 45% | 47% | 2 | 839 LV | ±4.2% |
| Americans United for Change/Public Policy Polling (D) | October 20–22, 2012 | 47% | 49% | 2 | 1200 LV | ±2.8% |
| Reuters/Ipsos (Daily Tracking) | October 18–22, 2012 | 46% | 46% | Tied | 957 LV | ±3.6% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 19–21, 2012 | 47% | 49% | 2 | 1500 LV | ±3% |
| Monmouth University/Braun Research/SurveyUSA | October 18–21, 2012 | 45% | 48% | 3 | 1402 | ±2.6% |
| Democracy Corps/Greenberg Quinlan Rosner (D) | October 18–21, 2012 | 49% | 46% | 3 | 1000 LV | ±3.1% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | October 18–21, 2012 | 48% | 48% | Tied | 1300 LV | ±2.7% |
| American Research Group | October 18–21, 2012 | 47% | 48% | 1 | 1200 LV | ±3% |
| Investor's Business Daily/TIPP (Daily Tracking) | October 16–21, 2012 | 47.4% | 43.4% | 4 | 885 LV | ±3.5% |
| Gallup (Daily Tracking) | October 15–21, 2012 | 45% | 51% | 6 | 2700 LV | ±2% |
| Washington Times/JZ Analytics | October 18–20, 2012 | 49.7% | 47.3% | 2.4 | 800 LV | ±3.5% |
| CBS News | October 17–20, 2012 | 48% | 46% | 2 | 790 LV | ±4% |
| NBC News/Wall Street Journal | October 17–20, 2012 | 47% | 47% | Tie | 816 LV | ±3.43% |
| Americans United for Change/Public Policy Polling (D) | October 17–19, 2012 | 49% | 47% | 2 | 1200 LV | ±2.8% |
| Gravis Marketing | October 18, 2012 | 44% | 46% | 2 | 805 LV | ±3.4% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 16–18, 2012 | 48% | 48% | 2 | 1500 LV | ±3% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | October 15–18, 2012 | 48% | 49% | 1 | 1000 LV | ±3.1% |
| UPI/CVOTER | October 12–18, 2012 | 46% | 48% | 2 | 1254 LV | ±4.5% |
| Reuters/Ipsos (Daily Tracking) | October 12–16, 2012 | 46% | 43% | 3 | 1846 LV | ±2.6% |
| University of Connecticut/Hartford Courant | October 11–16, 2012 | 48% | 45% | 3 | 1023 LV | ±3% |
| The Economist/YouGov | October 13–15, 2012 | 47% | 46% | 1 | 826 LV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 13–15, 2012 | 47% | 49% | 2 | 1500 LV | ±3% |
| Investor's Business Daily/TIPP (Daily Tracking) | October 10–15, 2012 | 47.3% | 45.7% | 1.6 | 931 LV | ±3.5% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | October 12–14, 2012 | 46% | 50% | 4 | 1600 LV | ±2.5% |
| American Research Group | October 11–14, 2012 | 47% | 48% | 1 | 1200 LV | ±3% |
| Gallup (Daily Tracking) | October 8–14, 2012 | 47% | 49% | 2 | 2700 LV | ±2% |
| ABC News/Washington Post | October 10–13, 2012 | 49% | 46% | 3 | 923 LV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 10–12, 2012 | 48% | 47% | 1 | 1500 LV | ±3% |
| Angus Reid Public Opinion | October 10–11, 2012 | 47% | 47% | Tie | Not reported | Not reported |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | October 7–11, 2012 | 49% | 48% | 1 | 1000 LV | ±3.1% |
| Reuters/Ipsos | October 7–11, 2012 | 44% | 47% | 3 | 1092 LV | ±3.4% |
| Monmouth University/Braun Research/SurveyUSA | October 8–10, 2012 | 46% | 47% | 1 | 1360 LV | ±2.7% |
| UPI/CVOTER | October 4–10, 2012 | 46% | 49% | 3 | 1110 LV | ±4.5% |
| Fox News/Anderson Robbins/Shaw & Company | October 7–9, 2012 | 45% | 46% | 1 | 1109 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 7–9, 2012 | 48% | 47% | 1 | 1500 LV | ±3% |
| Investor's Business Daily/TIPP (Daily Tracking) | October 4–9, 2012 | 45.7% | 46.9% | 1.2 | 812 LV | ±3.5% |
| The Economist/YouGov | October 6–8, 2012 | 49% | 46% | 3 | 763 LV | Not reported |
| American Research Group | October 5–8, 2012 | 47% | 48% | 1 | 1200 LV | ±3% |
| Washington Times/JZ Analytics | October 5–7, 2012 | 44.5% | 45.1% | 0.6 | 800 LV | ±3.5% |
| Pew Research Center | October 4–7, 2012 | 45% | 49% | 4 | 1112 LV | ±3.4% |
| Gallup (Daily Tracking) | October 1–7, 2012 | 48% | 48% | Tied | 2700 LV | ±2% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | October 4–7, 2012 | 47% | 49% | 2 | 1300 LV | ±2.7% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 4–6, 2012 | 47% | 49% | 2 | 1500 LV | ±3% |
| Reuters/Ipsos | October 2–6, 2012 | 47% | 45% | 2 | 1492 | ±2.9% |
| Clarus Research Group | October 4, 2012 | 46% | 47% | 1 | 590 LV | ±4.3% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | October 1–4, 2012 | 49% | 48% | 1 | 1000 LV | ±3.1% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | October 1–3, 2012 | 49% | 47% | 2 | 1500 LV | ±3% |
| Clarus Research Group | October 2, 2012 | 49% | 45% | 4 | 590 LV | ±4.3% |
| American Conservative Union/McLaughlin & Associates (R) | September 30 – October 2, 2012 | 49% | 45% | 4 | 1000 LV | ±3.1% |
| The Economist/YouGov | September 29 – October 1, 2012 | 49% | 44% | 5 | 785 LV | Not reported |
| Reuters/Ipsos | September 27 – October 1, 2012 | 46% | 41% | 5 | 930 LV | ±3.6% |
| CNN/Opinion Research Corporation | September 28–30, 2012 | 50% | 47% | 3 | 783 LV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | September 28–30, 2012 | 48% | 45% | 3 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | September 27–30, 2012 | 49% | 45% | 4 | 1100 LV | ±2.8% |
| United Technologies/National Journal | September 27–30, 2012 | 47% | 47% | Tied | 789 LV | Not reported |
| American Research Group | September 27–30, 2012 | 49% | 46% | 3 | 1200 LV | ±3% |
| NPR/Greenberg Quinlan Rosner/Resurgent Republic | September 26–30, 2012 | 50% | 44% | 6 | 800 LV | Not reported |
| NBC News/Wall Street Journal | September 26–30, 2012 | 49% | 46% | 3 | 832 LV | ±3.40% |
| Quinnipiac University | September 25–30, 2012 | 49% | 45% | 4 | 1912 LV | ±2.2% |
| Gallup (Daily Tracking) | September 24–30, 2012 | 49% | 45% | 4 | 3050 RV | ±2% |
| Washington Times/JZ Analytics | September 27–29, 2012 | 49.7% | 41.1% | 8.6 | 800 LV | ±3.5% |
| ABC News/Washington Post | September 26–29, 2012 | 49% | 47% | 2 | 813 LV | ±4% |
| UPI/CVOTER | September 23–29, 2012 | 49% | 46% | 3 | 855 LV | ±4.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | September 25–27, 2012 | 47% | 46% | 1 | 1500 LV | ±3% |
| Merriman River Group | September 24–27, 2012 | 49% | 46% | 3 | 981 RV | ±3.1% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | September 24–27, 2012 | 49% | 47% | 2 | 1000 LV | ±3.1% |
| Fox News | September 24–26, 2012 | 48% | 43% | 5 | 1092 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | September 22–24, 2012 | 47% | 46% | 1 | 1000 LV | ±3% |
| The Economist/YouGov | September 22–24, 2012 | 48% | 43% | 5 | 943 RV | Not reported |
| Bloomberg/Selzer & Co. | September 21–24, 2012 | 49% | 43% | 6 | 789 LV | ±3.5% |
| Reuters/Ipsos | September 20–24, 2012 | 49% | 43% | 6 | 1095 LV | ±3.5% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | September 20–23, 2012 | 50% | 45% | 5 | 1200 LV | ±2.8% |
| Gallup (Daily Tracking) | September 17–23, 2012 | 48% | 46% | 2 | 3050 RV | ±2% |
| JZ Analytics | September 21–22, 2012 | 49% | 40.7% | 8.3 | 860 LV | ±3.4% |
| UPI/CVOTER | September 16–22, 2012 | 49% | 46% | 3 | 761 LV | ±4.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | September 19–21, 2012 | 46% | 46% | Tied | 1500 LV | ±3% |
| American Research Group | September 16–20, 2012 | 49% | 47% | 2 | 761 LV | ±3.6% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | September 16–20, 2012 | 50% | 46% | 4 | 1000 LV | ±3.1% |
| Angus Reid Public Opinion | September 19–20, 2012 | 48% | 46% | 2 | 805 RV | Not reported |
| Allstate/Heartland Monitor/National Journal/FTI Communications | September 15–19, 2012 | 50% | 43% | 7 | 1055 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | September 16–18, 2012 | 46% | 47% | 1 | 1500 LV | ±3% |
| University of Connecticut/Hartford Courant | September 11–18, 2012 | 46% | 43% | 3 | 1148 LV | ±3% |
| The Economist/YouGov | September 15–17, 2012 | 49% | 44% | 5 | 943 RV | Not reported |
| ''Reason''-Rupe | September 13–17, 2012 | 52% | 45% | 7 | 787 LV | ±4.3% |
| Associated Press/GfK Group/Roper | September 13–17, 2012 | 47% | 46% | 1 | 807 LV | ±4.3% |
| Reuters/Ipsos (Daily Tracking) | September 12–17, 2012 | 48% | 43% | 5 | 591 LV | ±4.1% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | September 13–16, 2012 | 50% | 46% | 4 | 1000 LV | ±3.1% |
| Monmouth University | September 13–16, 2012 | 48% | 45% | 3 | 1344 LV | ±2.5% |
| Pew Research Center | September 12–16, 2012 | 51% | 43% | 8 | 2,192 LV | ±2.4% |
| NBC News/Wall Street Journal | September 12–16, 2012 | 50% | 45% | 5 | 736 LV | ±3.61% |
| Gallup (Daily Tracking) | September 10–16, 2012 | 48% | 45% | 3 | 3050 RV | ±2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | September 13–15, 2012 | 46% | 47% | 1 | 1500 LV | ±3% |
| UPI/CVOTER | September 8–14, 2012 | 49% | 45% | 4 | 3000 RV | ±3% |
| JZ Analytics | September 11–12, 2012 | 47.7% | 42% | 5.7 | 1014 LV | ±3.1% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | September 10–12, 2012 | 46% | 47% | 1 | 1500 LV | ±3% |
| CBS News/New York Times | September 8–12, 2012 | 49% | 46% | 3 | 1162 LV | ±3% |
| Democracy Corps/Greenberg Quinlan Rosner (D) | September 8–12, 2012 | 50% | 45% | 5 | 1000 LV | ±3.1% |
| Fox News/Anderson Robbins/Shaw & Company | September 9–11, 2012 | 48% | 43% | 5 | 1056 LV | ±3% |
| The Economist/YouGov | September 8–10, 2012 | 49% | 45% | 4 | 818 RV | Not reported |
| Reuters/Ipsos | September 7–10, 2012 | 48% | 45% | 3 | 873 LV | Not reported |
| Esquire/Yahoo! News/Langer Research Associates | September 7–10, 2012 | 50% | 46% | 4 | 724 LV | ±5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | September 7–9, 2012 | 50% | 45% | 5 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | September 7–9, 2012 | 50% | 44% | 6 | 1000 LV | ±3.1% |
| ABC News/Washington Post | September 7–9, 2012 | 49% | 48% | 1 | 710 LV | ±4.5% |
| CNN/Opinion Research Corporation | September 7–9, 2012 | 52% | 46% | 6 | 709 LV | ±3.5% |
| Investor's Business Daily/Christian Science Monitor/TIPP | September 4–9, 2012 | 46% | 44% | 2 | 808 RV | ±3.5% |
| Gallup (Daily Tracking) | September 3–9, 2012 | 49% | 44% | 5 | 3050 RV | ±2% |
*RV means "registered voters"; LV means "likely voters"; A means "adults". Polls with a (D), (R), or (L) indicate that they were sponsored by partisan groups affiliated with a party.

#### Three-way race

| Poll Source | Date | Democratic Candidate | % | Republican Candidate | % | Libertarian Candidate | % | Sample Size* | Margin of Error |
| Reason-Rupe | September 13–17, 2012 | Barack Obama | 49% | Mitt Romney | 42% | Gary Johnson | 6% | 787 LV | ±4.3% |
*RV means "registered voters"; LV means "likely voters"

#### Four-way race

| Poll Source | Date | Democratic Candidate | % | Republican Candidate | % | Libertarian Candidate | % | Green Candidate | % | Sample Size* | Margin of Error |
| CNN/Opinion Research Corporation | September 28–30, 2012 | Barack Obama | 47% | Mitt Romney | 43% | Gary Johnson | 4% | Jill Stein | 3% | 783 LV | ±3.5% |
| CNN/Opinion Research Corporation | September 7–9, 2012 | Barack Obama | 51% | Mitt Romney | 43% | Gary Johnson | 3% | Jill Stein | 1% | 709 LV | ±3.5% |
*RV means "registered voters"; LV means "likely voters"

#### Five-way race

| Poll Source | Date | Democratic Candidate | % | Republican Candidate | % | Libertarian Candidate | % | Green Candidate | % | Constitution Candidate | % | Leading by % | Sample Size* | Margin of Error |
| Zogby/JZAnalytics | October 18–20, 2012 | Barack Obama | 47.5% | Mitt Romney | 45.4% | Gary Johnson | 3.3% | Jill Stein | 0.7% | Virgil Goode | 0.3% | 2.1 | 800 LV | ±3.5% |
| Zogby/JZAnalytics | October 5–7, 2012 | Barack Obama | 45.5% | Mitt Romney | 45.0% | Gary Johnson | 1.7% | Jill Stein | 0.3% | Virgil Goode | 0.0% | 0.5 | 800 LV | ±3.5% |
| JZ Analytics | September 21–22, 2012 | Barack Obama | 48.7% | Mitt Romney | 39.8% | Gary Johnson | 2.3% | Jill Stein | 1.6% | Virgil Goode | 1.3% | 8.9 | 860 LV | ±3.4% |
| JZ Analytics | September 11–12, 2012 | Barack Obama | 46.3% | Mitt Romney | 38.9% | Gary Johnson | 2.1% | Jill Stein | 1.9% | Virgil Goode | 0.9% | 7.4 | 1014 LV | ±3.1% |
| Gallup Tracking | September 6–12, 2012 | Barack Obama | 50% | Mitt Romney | 43% | Gary Johnson | 1% | Jill Stein | 1% | Virgil Goode | 1% | 7 | 3,050 RV | ±2.0% |
*RV means "registered voters"; LV means "likely voters"

### Before Convention Nominations

Both convention nominations were completed by September 6, 2012.

#### Two-way race

| Poll source | Date | Democratic candidate | % | Republican candidate | % | Leading by % | Sample Size* | Margin of Error |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | September 4–6, 2012 | Barack Obama | 45% | Mitt Romney | 46% | 1 | 1500 LV | ±3% |
| American Research Group | September 4–6, 2012 | Barack Obama | 46% | Mitt Romney | 49% | 3 | 1200 LV | ±3% |
| Reuters/Ipsos (Daily Tracking) | September 2–6, 2012 | Barack Obama | 44% | Mitt Romney | 45% | 1 | 1363 LV | Not reported |
| The Economist/YouGov | September 1–3, 2012 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 737 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | September 1–3, 2012 | Barack Obama | 45% | Mitt Romney | 47% | 2 | 1500 LV | ±3% |
| CNN/Opinion Research Corporation | August 31 – September 3, 2012 | Barack Obama | 48% | Mitt Romney | 48% | Tie | 735 LV | ±3.5% |
| Gallup (Daily Tracking) | August 27 – September 2, 2012 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 3050 RV | ±2% |
| Reuters/Ipsos (Daily Tracking) | August 28 – September 1, 2012 | Barack Obama | 44% | Mitt Romney | 43% | 1 | 1288 LV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | August 29–31, 2012 | Barack Obama | 44% | Mitt Romney | 47% | 3 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | August 26–28, 2012 | Barack Obama | 46% | Mitt Romney | 45% | 1 | 1500 LV | ±3% |
| The Economist/YouGov | August 25–27, 2012 | Barack Obama | 46% | Mitt Romney | 47% | 1 | 759 RV | Not reported |
| Reuters/Ipsos (Daily Tracking) | August 24–27, 2012 | Barack Obama | 46% | Mitt Romney | 42% | 4 | 749 LV | Not reported |
| Democracy Corps/Greenberg Quinlan Rosner (D) | August 23–27, 2012 | Barack Obama | 49.1% | Mitt Romney | 47.2% | 1.9 | 1000 LV | ±3.1% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | August 23–26, 2012 | Barack Obama | 50% | Mitt Romney | 44% | 6 | 1000 RV | ±3.1% |
| CBS News | August 22–26, 2012 | Barack Obama | 46% | Mitt Romney | 45% | 1 | 1051 RV | ±3% |
| Gallup (Daily Tracking) | August 20–26, 2012 | Barack Obama | 46% | Mitt Romney | 47% | 1 | 3050 RV | ±2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | August 23–25, 2012 | Barack Obama | 47% | Mitt Romney | 45% | 2 | 1500 LV | ±3% |
| ABC News/Washington Post | August 22–25, 2012 | Barack Obama | 46% | Mitt Romney | 47% | 1 | 857 RV | ±4% |
| CNN/Opinion Research Corporation | August 22–23, 2012 | Barack Obama | 49% | Mitt Romney | 47% | 2 | 924 RV | ±3% |
| Public Notice/Tarrance Group (R) | August 19–23, 2012 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 801 LV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | August 20–22, 2012 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1500 LV | ±3% |
| Resurgent Republic/North Star Opinion Research (R) | August 16–22, 2012 | Barack Obama | 46% | Mitt Romney | 45% | 1 | 1000 RV | ±3.1% |
| Fox News/Anderson Robbins/Shaw & Company | August 19–21, 2012 | Barack Obama | 44% | Mitt Romney | 45% | 1 | 1007 LV | ±3% |
| The Economist/YouGov | August 18–20, 2012 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 703 RV | Not reported |
| NBC News/Wall Street Journal | August 16–20, 2012 | Barack Obama | 48% | Mitt Romney | 44% | 4 | 1000 RV | ±3.1% |
| Associated Press/GfK Group/Roper | August 16–20, 2012 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 885 RV | ±4.1% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | August 17–19, 2012 | Barack Obama | 43% | Mitt Romney | 44% | 1 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | August 16–19, 2012 | Barack Obama | 49% | Mitt Romney | 45% | 4 | 1000 RV | ±3.1% |
| Monmouth University/SurveyUSA/Braun Research | August 15–19, 2012 | Barack Obama | 46% | Mitt Romney | 45% | 1 | 1149 LV | ±2.9% |
| Gallup (Daily Tracking) | August 13–19, 2012 | Barack Obama | 45% | Mitt Romney | 47% | 2 | 3050 RV | ±2% |
| Los Angeles Times/USC Annenberg/Greenberg Quinlan Rosner/American Viewpoint | August 13–19, 2012 | Barack Obama | 48% | Mitt Romney | 45% | 3 | 954 LV | ±3.2% |
| Angus Reid Public Opinion | August 15–16, 2012 | Barack Obama | 45% | Mitt Romney | 49% | 4 | 898 A | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | August 14–16, 2012 | Barack Obama | 46% | Mitt Romney | 45% | 1 | 1500 LV | ±3% |
| The Economist/YouGov | August 11–13, 2012 | Barack Obama | 47% | Mitt Romney | 43% | 4 | 850 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | August 11–13, 2012 | Barack Obama | 44% | Mitt Romney | 47% | 3 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | August 9–12, 2012 | Barack Obama | 47% | Mitt Romney | 45% | 2 | 1000 RV | ±3.1% |
| Gallup (Daily Tracking) | August 6–12, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 3050 RV | ±2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | August 8–10, 2012 | Barack Obama | 44% | Mitt Romney | 46% | 2 | 1500 LV | ±3% |
| Investor's Business Daily/Christian Science Monitor/TIPP | August 3–10, 2012 | Barack Obama | 46% | Mitt Romney | 39% | 7 | 828 RV | ±3.5% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | August 5–9, 2012 | Barack Obama | 48% | Mitt Romney | 47% | 1 | 1000 LV | ±3.1% |
| CNN/Opinion Research Corporation | August 7–8, 2012 | Barack Obama | 52% | Mitt Romney | 45% | 7 | 911 RV | ±3.5% |
| Fox News/Anderson Robbins/Shaw & Company | August 5–7, 2012 | Barack Obama | 49% | Mitt Romney | 40% | 9 | 930 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | August 5–7, 2012 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1500 LV | ±3% |
| The Economist/YouGov | August 4–6, 2012 | Barack Obama | 46% | Mitt Romney | 45% | 1 | 733 RV | Not reported |
| Reuters/Ipsos | August 2–6, 2012 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 1014 RV | ±3.4% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | August 2–5, 2012 | Barack Obama | 48% | Mitt Romney | 46% | 2 | 1000 RV | ±3.1% |
| Gallup (Daily Tracking) | July 30 – August 5, 2012 | Barack Obama | 46% | Mitt Romney | 45% | 1 | 3050 RV | ±2% |
| Kaiser Family Foundation/Washington Post | July 25 – August 5, 2012 | Barack Obama | 50% | Mitt Romney | 43% | 7 | 2927 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | August 2–4, 2012 | Barack Obama | 45% | Mitt Romney | 47% | 2 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | July 30 – August 1, 2012 | Barack Obama | 44% | Mitt Romney | 47% | 3 | 1500 LV | ±3% |
| The Economist/YouGov | July 28 – 30, 2012 | Barack Obama | 44% | Mitt Romney | 46% | 2 | 751 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | July 27–29, 2012 | Barack Obama | 44% | Mitt Romney | 47% | 3 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | July 26–29, 2012 | Barack Obama | 48% | Mitt Romney | 47% | 1 | 1000 RV | ±3.1% |
| Gallup (Daily Tracking) | July 22–29, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 3050 RV | ±2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | July 24–26, 2012 | Barack Obama | 44% | Mitt Romney | 49% | 5 | 1500 LV | ±3% |
| Pew Research Center | July 16–26, 2012 | Barack Obama | 51% | Mitt Romney | 41% | 10 | 1956 RV | ±3.2% |
| Democracy Corps/Greenberg Quinlan Rosner (D) | July 21–25, 2012 | Barack Obama | 50% | Mitt Romney | 46% | 4 | 700 LV | ±3.7% |
| The Economist/YouGov | July 21–23, 2012 | Barack Obama | 44% | Mitt Romney | 45% | 1 | 746 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | July 21–23, 2012 | Barack Obama | 44% | Mitt Romney | 45% | 1 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | July 19–22, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 1000 RV | ±3.1% |
| NBC/Wall Street Journal | July 18–22, 2012 | Barack Obama | 49% | Mitt Romney | 43% | 6 | 1000 RV | ±3.1% |
| Gallup (Daily Tracking) | July 15–21, 2012 | Barack Obama | 47% | Mitt Romney | 45% | 2 | 3050 RV | ±2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | July 18–20, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | July 15–17, 2012 | Barack Obama | 46% | Mitt Romney | 47% | 1 | 1500 LV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | July 15–17, 2012 | Barack Obama | 45% | Mitt Romney | 41% | 4 | 901 RV | ±3% |
| The Economist/YouGov | July 14–16, 2012 | Barack Obama | 47% | Mitt Romney | 44% | 3 | 742 RV | Not reported |
| CBS News/New York Times | July 11–16, 2012 | Barack Obama | 46% | Mitt Romney | 47% | 1 | 942 RV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | July 12–15, 2012 | Barack Obama | 48% | Mitt Romney | 46% | 2 | 1000 RV | ±3.1% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | July 12–14, 2012 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1500 LV | ±3% |
| Gallup (Daily Tracking) | July 8–14, 2012 | Barack Obama | 47% | Mitt Romney | 45% | 2 | 3050 RV | ±2% |
| Angus Reid Public Opinion | July 12–13, 2012 | Barack Obama | 47% | Mitt Romney | 47% | Tied | 886 A | Not reported |
| NPR/Democracy Corps/Resurgent Republic/Democracy Corps/Resurgent Republic/Greenberg Quinlan Rosner (D) | July 9–12, 2012 | Barack Obama | 47% | Mitt Romney | 45% | 2 | 1000 LV | ±3.10% |
| McClatchy/Marist College | July 9–11, 2012 | Barack Obama | 48% | Mitt Romney | 46% | 2 | 849 RV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | July 9–11, 2012 | Barack Obama | 45% | Mitt Romney | 46% | 1 | 1500 LV | ±3% |
| The Economist/YouGov | July 7–9, 2012 | Barack Obama | 43% | Mitt Romney | 44% | 1 | 715 RV | Not reported |
| Reuters/Ipsos | July 5–9, 2012 | Barack Obama | 49% | Mitt Romney | 43% | 6 | 885 RV | ±3.4% |
| Pew Research Center | June 28 – July 9, 2012 | Barack Obama | 50% | Mitt Romney | 43% | 7 | 2373 RV | ±2.3% |
| JZ Analytics/Washington Times | July 6–8, 2012 | Barack Obama | 42% | Mitt Romney | 42.8% | 0.8 | 800 LV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | July 6–8, 2012 | Barack Obama | 45% | Mitt Romney | 46% | 1 | 1500 LV | ±3% |
| ABC News/Washington Post | July 5–8, 2012 | Barack Obama | 47% | Mitt Romney | 47% | Tie | 855 RV | ±4% |
| Quinnipiac University | July 1–8, 2012 | Barack Obama | 46% | Mitt Romney | 43% | 3 | 2722 RV | ±1.9% |
| Gallup (Daily Tracking) | June 30 – July 7, 2012 | Barack Obama | 47% | Mitt Romney | 45% | 2 | 3050 RV | ±2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | July 1–5, 2012 | Barack Obama | 44% | Mitt Romney | 46% | 2 | 1500 LV | ±3% |
| The Economist/YouGov | June 30 – July 2, 2012 | Barack Obama | 47% | Mitt Romney | 43% | 4 | 715 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | June 29 – July 1, 2012 | Barack Obama | 44% | Mitt Romney | 46% | 2 | 1500 LV | ±3% |
| CNN/Opinion Research Corporation | June 28 – July 1, 2012 | Barack Obama | 49% | Mitt Romney | 46% | 3 | 1,390 RV | ±2.5% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | June 28 – July 1, 2012 | Barack Obama | 48% | Mitt Romney | 45% | 3 | 1000 RV | ±3.1% |
| Gallup (Daily Tracking) | June 23–29, 2012 | Barack Obama | 47% | Mitt Romney | 44% | 3 | 3050 RV | ±2% |
| Newsweek/The Daily Beast/Schoen Consulting | June 28, 2012 | Barack Obama | 47% | Mitt Romney | 44% | 3 | 600 LV | ±4% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | June 26–28, 2012 | Barack Obama | 45% | Mitt Romney | 44% | 1 | 1500 LV | ±3% |
| Democracy Corps/Greenberg Quinlan Rosner (D) | June 23–27, 2012 | Barack Obama | 49% | Mitt Romney | 46% | 3 | 1000 LV | ±3.1% |
| Fox News/Anderson Robbins/Shaw & Company | June 24–26, 2012 | Barack Obama | 45% | Mitt Romney | 40% | 5 | 912 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | June 23–25, 2012 | Barack Obama | 45% | Mitt Romney | 47% | 2 | 1500 LV | ±3% |
| The Economist/YouGov | June 23–25, 2012 | Barack Obama | 45% | Mitt Romney | 44% | 1 | 715 RV | Not reported |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | June 21–24, 2012 | Barack Obama | 48% | Mitt Romney | 45% | 3 | 1000 RV | ±3.1% |
| NBC News/Wall Street Journal | June 20–24, 2012 | Barack Obama | 47% | Mitt Romney | 44% | 3 | 819 RV | ±3.4% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | June 20–22, 2012 | Barack Obama | 43% | Mitt Romney | 48% | 5 | 1500 LV | ±3% |
| Gallup (Daily Tracking) | June 16–22, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 3050 RV | ±2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | June 17–19, 2012 | Barack Obama | 45% | Mitt Romney | 47% | 2 | 1500 LV | ±3% |
| The Economist/YouGov | June 16–18, 2012 | Barack Obama | 44% | Mitt Romney | 44% | Tied | 715 RV | Not reported |
| Bloomberg/Selzer & Co. | June 15–18, 2012 | Barack Obama | 53% | Mitt Romney | 40% | 13 | 734 LV | ±3.6% |
| Associated Press/GfK Group/Roper | June 14–18, 2012 | Barack Obama | 47% | Mitt Romney | 44% | 3 | 878 RV | ±4.2% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | June 14–17, 2012 | Barack Obama | 49% | Mitt Romney | 45% | 4 | 1000 RV | ±3.1% |
| Pew Research Center | June 7–17, 2012 | Barack Obama | 50% | Mitt Romney | 46% | 4 | 1563 RV | ±2.9% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | June 14–16, 2012 | Barack Obama | 44% | Mitt Romney | 47% | 3 | 1500 LV | ±3% |
| Gallup (Daily Tracking) | June 9–15, 2012 | Barack Obama | 45% | Mitt Romney | 46% | 1 | 3050 RV | ±2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | June 11–13, 2012 | Barack Obama | 44% | Mitt Romney | 48% | 4 | 1500 LV | ±3% |
| The Economist/YouGov | June 9–11, 2012 | Barack Obama | 44% | Mitt Romney | 42% | 2 | 836 RV | Not reported |
| Reuters/Ipsos | June 7–11, 2012 | Barack Obama | 45% | Mitt Romney | 44% | 1 | 848 RV | ±3.4% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | June 8–10, 2012 | Barack Obama | 44% | Mitt Romney | 47% | 3 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | June 7–10, 2012 | Barack Obama | 50% | Mitt Romney | 42% | 8 | 1000 RV | ±3.1% |
| Angus Reid Public Opinion | June 7–8, 2012 | Barack Obama | 46% | Mitt Romney | 47% | 1 | 1794 A | Not reported |
| Gallup (Daily Tracking) | June 2–8, 2012 | Barack Obama | 46% | Mitt Romney | 45% | 1 | 3050 RV | ±2% |
| Investor's Business Daily/Christian Science Monitor/TIPP | June 1–8, 2012 | Barack Obama | 46% | Mitt Romney | 42% | 4 | 841 RV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | June 5–7, 2012 | Barack Obama | 47% | Mitt Romney | 45% | 2 | 1500 LV | ±3% |
| Tarrance Group/Bankrupting America (R) | June 3–7, 2012 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 800 LV | Not reported |
| Monmouth University | June 4–6, 2012 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 1152 LV | ±2.9% |
| Fox News/Anderson Robbins/Shaw & Company | June 3–5, 2012 | Barack Obama | 43% | Mitt Romney | 43% | Tied | 907 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | June 2–4, 2012 | Barack Obama | 45% | Mitt Romney | 46% | 1 | 1500 LV | ±3% |
| The Economist/YouGov | June 2–4, 2012 | Barack Obama | 47% | Mitt Romney | 42% | 5 | 836 RV | Not reported |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | May 31 – June 3, 2012 | Barack Obama | 50% | Mitt Romney | 42% | 8 | 1000 RV | ±3.1% |
| Pew Research Center | May 9 – June 3, 2012 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 2338 RV | ±2.3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | May 30 – June 1, 2012 | Barack Obama | 44% | Mitt Romney | 48% | 4 | 1500 LV | ±3% |
| Gallup (Daily Tracking) | May 25 – June 1, 2012 | Barack Obama | 46% | Mitt Romney | 45% | 1 | 3050 RV | ±2% |
| CNN/Opinion Research Corporation | May 29–31, 2012 | Barack Obama | 49% | Mitt Romney | 46% | 3 | 895 RV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | May 27–29, 2012 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1500 LV | ±3% |
| The Economist/YouGov | May 26–28, 2012 | Barack Obama | 46% | Mitt Romney | 43% | 3 | 850 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | May 24–26, 2012 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1500 LV | ±3% |
| Gallup (Daily Tracking) | May 18–24, 2012 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 3050 RV | ±2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | May 21–23, 2012 | Barack Obama | 45% | Mitt Romney | 44% | 1 | 1500 LV | ±3% |
| The Economist/YouGov | May 19–21, 2012 | Barack Obama | 46% | Mitt Romney | 42% | 4 | 850 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | May 18–20, 2012 | Barack Obama | 47% | Mitt Romney | 44% | 3 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | May 17–20, 2012 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 1000 RV | ±3.1% |
| ABC News/Washington Post | May 17–20, 2012 | Barack Obama | 49% | Mitt Romney | 46% | 3 | 874 RV | ±4% |
| NBC News/Wall Street Journal | May 16–20, 2012 | Barack Obama | 47% | Mitt Romney | 43% | 4 | 1000 RV | ±3.1% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | May 15–17, 2012 | Barack Obama | 45% | Mitt Romney | 46% | 1 | 1500 LV | ±3% |
| Gallup (Daily Tracking) | May 11–17, 2012 | Barack Obama | 45% | Mitt Romney | 46% | 1 | 3050 RV | ±2.% |
| Investor's Business Daily/Christian Science Monitor/TIPP | May 9–16, 2012 | Barack Obama | 43% | Mitt Romney | 40% | 3 | 856 RV | ±3.3% |
| Fox News/Anderson Robbins/Shaw & Company | May 13–15, 2012 | Barack Obama | 46% | Mitt Romney | 39% | 7 | 913 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | May 12–14, 2012 | Barack Obama | 46% | Mitt Romney | 47% | 1 | 1500 LV | ±3% |
| The Economist/YouGov | May 12–14, 2012 | Barack Obama | 42% | Mitt Romney | 46% | 4 | 715 RV | Not reported |
| Ron Sachs Communications/Mason-Dixon Polling & Research | May 10–14, 2012 | Barack Obama | 44% | Mitt Romney | 47% | 3 | 1000 LV | ±3% |
| CBS News/New York Times | May 11–13, 2012 | Barack Obama | 43% | Mitt Romney | 46% | 3 | 562 RV | ±4% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | May 10–13, 2012 | Barack Obama | 48% | Mitt Romney | 46% | 2 | 1000 RV | ±3.1% |
| The Washington Times/JZ Analytics | May 11–12, 2012 | Barack Obama | 43.2% | Mitt Romney | 43.6% | 0.4 | 800 LV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | May 9–11, 2012 | Barack Obama | 42% | Mitt Romney | 50% | 8 | 1500 LV | ±3% |
| Gallup (Daily Tracking) | May 4–10, 2012 | Barack Obama | 45% | Mitt Romney | 46% | 1 | 3050 RV | ±2% |
| Angus Reid Public Opinion | May 7–8, 2012 | Barack Obama | 46% | Mitt Romney | 49% | 3 | 769 RV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | May 6–8, 2012 | Barack Obama | 44% | Mitt Romney | 49% | 5 | 1500 LV | ±3% |
| The Economist/YouGov | May 5–7, 2012 | Barack Obama | 44% | Mitt Romney | 43% | 1 | 715 RV | Not reported |
| Associated Press/GfK Group/Roper | May 3–7, 2012 | Barack Obama | 50% | Mitt Romney | 42% | 8 | 871 RV | ±4.2% |
| Reuters/Ipsos | May 3–7, 2012 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 959 RV | ±3.2% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | May 3 – 5, 2012 | Barack Obama | 46% | Mitt Romney | 47% | 1 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | May 3 – 4, 2012 | Barack Obama | 48% | Mitt Romney | 45% | 3 | 1000 RV | ±3.1% |
| Investor's Business Daily/Christian Science Monitor/TIPP | April 27 – May 4, 2012 | Barack Obama | 46% | Mitt Romney | 43% | 3 | 856 RV | ±3.3% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | April 29 – May 3, 2012 | Barack Obama | 47% | Mitt Romney | 48% | 1 | 1000 LV | ±3.1% |
| Resurgent Republic/North Star Opinion Research (R) | April 30 – May 2, 2012 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 1000 RV | ±3.10% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 30 – May 2, 2012 | Barack Obama | 47% | Mitt Romney | 45% | 2 | 1500 LV | ±3% |
| Democracy Corps/Greenberg Quinlan Rosner (D) | April 28 – May 1, 2012 | Barack Obama | 47% | Mitt Romney | 47% | Tied | 1000 LV | ±3.5% |
| Gallup (Daily Tracking) | April 27 – May 1, 2012 | Barack Obama | 45% | Mitt Romney | 46% | 1 | 2200 RV | ±3% |
| The Economist/YouGov | April 28–30, 2012 | Barack Obama | 48% | Mitt Romney | 43% | 5 | 715 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 27–29, 2012 | Barack Obama | 45% | Mitt Romney | 47% | 2 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | April 26–29, 2012 | Barack Obama | 49% | Mitt Romney | 44% | 5 | 1000 RV | ±3.1% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 24–26, 2012 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 1500 LV | ±3% |
| Gallup (Daily Tracking) | April 21–26, 2012 | Barack Obama | 50% | Mitt Romney | 43% | 7 | 2200 RV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | April 22–24, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 913 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 21–23, 2012 | Barack Obama | 44% | Mitt Romney | 48% | 4 | 1500 LV | ±3% |
| The Economist/YouGov | April 21–23, 2012 | Barack Obama | 46% | Mitt Romney | 47% | 1 | 715 RV | Not reported |
| United Technologies/National Journal | April 19–22, 2012 | Barack Obama | 47% | Mitt Romney | 39% | 8 | 1004 A | ±3.7% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | April 19–22, 2012 | Barack Obama | 49% | Mitt Romney | 44% | 5 | 1000 RV | ±3.1% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 18–20, 2012 | Barack Obama | 47% | Mitt Romney | 45% | 2 | 1500 LV | ±3% |
| Gallup (Daily Tracking) | April 16–20, 2012 | Barack Obama | 45% | Mitt Romney | 46% | 1 | 2200 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 15–17, 2012 | Barack Obama | 43% | Mitt Romney | 47% | 4 | 1500 LV | ±3% |
| NBC News/Wall Street Journal | April 13–17, 2012 | Barack Obama | 49% | Mitt Romney | 43% | 6 | Not reported | Not reported |
| CBS News/New York Times | April 13–17, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 852 RV | ±3% |
| Quinnipiac University | April 11–17, 2012 | Barack Obama | 46% | Mitt Romney | 42% | 4 | 2577 RV | ±1.9% |
| The Economist/YouGov | April 14–16, 2012 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 715 RV | Not reported |
| CNN/Opinion Research Corporation | April 13–15, 2012 | Barack Obama | 52% | Mitt Romney | 43% | 9 | 910 RV | ±3.5% |
| Public Policy Polling | April 12–15, 2012 | Barack Obama | 49% | Mitt Romney | 46% | 3 | 900 RV | ±3.3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | April 12–15, 2012 | Barack Obama | 50% | Mitt Romney | 44% | 6 | 1000 RV | ±3.1% |
| | April 12–15, 2012 | Barack Obama | 47% | Mitt Romney | 43% | 4 | 891 RV | ±3.3% |
| Gallup (Daily Tracking) | April 11–15, 2012 | Barack Obama | 45% | Mitt Romney | 47% | 2 | 2200 RV | ±3% |
| Pew Research Center | April 4–15, 2012 | Barack Obama | 49% | Mitt Romney | 45% | 4 | 2373 RV | ±2.3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 12–14, 2012 | Barack Obama | 44% | Mitt Romney | 48% | 4 | 1500 LV | ±3% |
| Angus Reid Public Opinion | Apr 12–13, 2012 | Barack Obama | 50% | Mitt Romney | 44% | 6 | 701 RV | Not reported |
| Angus Reid Public Opinion | Apr 12–13, 2012 | Barack Obama | 50% | Ron Paul | 39% | 11 | 651 RV | Not reported |
| Angus Reid Public Opinion | Apr 12–13, 2012 | Barack Obama | 56% | Newt Gingrich | 33% | 23 | 651 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 9–11, 2012 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1500 LV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | April 9–11, 2012 | Barack Obama | 44% | Mitt Romney | 46% | 2 | 910 RV | ±3% |
| The Economist/YouGov | April 7–10, 2012 | Barack Obama | 46% | Mitt Romney | 44% | 2 | 715 RV | Not reported |
| The Economist/YouGov | April 7–10, 2012 | Barack Obama | 47% | Rick Santorum | 41% | 6 | 715 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 6–8, 2012 | Barack Obama | 46% | Mitt Romney | 44% | 2 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 6–8, 2012 | Barack Obama | 47% | Rick Santorum | 41% | 6 | 1500 LV | ±3% |
| ABC News/Washington Post | April 5–8, 2012 | Barack Obama | 51% | Mitt Romney | 44% | 7 | Not reported | Not reported |
| ABC News/Washington Post | April 5–8, 2012 | Barack Obama | 52% | Rick Santorum | 42% | 10 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 3–5, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | April 3–5, 2012 | Barack Obama | 47% | Rick Santorum | 41% | 6 | 1500 LV | ±3% |
| Investor's Business Daily/Christian Science Monitor/TIPP | March 30 – April 5, 2012 | Barack Obama | 46% | Mitt Romney | 38% | 8 | 816 RV | ±3.3% |
| The Economist/YouGov | March 31 – April 3, 2012 | Barack Obama | 47% | Mitt Romney | 44% | 3 | 715 RV | Not reported |
| The Economist/YouGov | March 31 – April 3, 2012 | Barack Obama | 51% | Newt Gingrich | 38% | 13 | 715 RV | Not reported |
| The Economist/YouGov | March 31 – April 3, 2012 | Barack Obama | 49% | Rick Santorum | 42% | 7 | 715 RV | Not reported |
| The Economist/YouGov | March 31 – April 3, 2012 | Barack Obama | 48% | Ron Paul | 41% | 7 | 715 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 31 – April 2, 2012 | Barack Obama | 44% | Mitt Romney | 45% | 1 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 31 – April 2, 2012 | Barack Obama | 46% | Rick Santorum | 42% | 4 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 28–30, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 28–30, 2012 | Barack Obama | 47% | Rick Santorum | 42% | 5 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 25–27, 2012 | Barack Obama | 45% | Mitt Romney | 44% | 1 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 25–27, 2012 | Barack Obama | 47% | Rick Santorum | 43% | 4 | 1500 LV | ±3% |
| The Economist/YouGov | March 24–27, 2012 | Barack Obama | 46% | Mitt Romney | 43% | 3 | 715 RV | Not reported |
| The Economist/YouGov | March 24–27, 2012 | Barack Obama | 51% | Newt Gingrich | 40% | 11 | 715 RV | Not reported |
| The Economist/YouGov | March 24–27, 2012 | Barack Obama | 47% | Rick Santorum | 45% | 2 | 715 RV | Not reported |
| The Economist/YouGov | March 24–27, 2012 | Barack Obama | 44% | Ron Paul | 42% | 2 | 715 RV | Not reported |
| USA Today/Gallup | March 25–26, 2012 | Barack Obama | 49% | Mitt Romney | 45% | 4 | 901 RV | ±4% |
| USA Today/Gallup | March 25–26, 2012 | Barack Obama | 51% | Rick Santorum | 43% | 8 | 901 RV | ±4% |
| CNN/Opinion Research Corporation | March 24–25, 2012 | Barack Obama | 54% | Mitt Romney | 43% | 11 | 925 RV | ±3% |
| CNN/Opinion Research Corporation | March 24–25, 2012 | Barack Obama | 55% | Rick Santorum | 42% | 13 | 925 RV | ±3% |
| Suffolk University | March 21–25, 2012 | Barack Obama | 47% | Mitt Romney | 37% | 10 | 1070 LV | ±3% |
| Suffolk University | March 21–25, 2012 | Barack Obama | 49% | Rick Santorum | 35% | 14 | 1070 LV | ±3% |
| Suffolk University | March 21–25, 2012 | Barack Obama | 50% | Newt Gingrich | 31% | 19 | 1070 LV | ±3% |
| Suffolk University | March 21–25, 2012 | Barack Obama | 49% | Ron Paul | 28% | 21 | 1070 LV | ±3% |
| Angus Reid Public Opinion | March 23–24, 2012 | Barack Obama | 58% | Newt Gingrich | 32% | 26 | 652 RV | Not reported |
| Angus Reid Public Opinion | March 23–24, 2012 | Barack Obama | 52% | Ron Paul | 38% | 14 | 632 RV | Not reported |
| Angus Reid Public Opinion | March 23–24, 2012 | Barack Obama | 51% | Mitt Romney | 45% | 6 | 693 RV | Not reported |
| Angus Reid Public Opinion | March 23–24, 2012 | Barack Obama | 50% | Rick Santorum | 43% | 7 | 693 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 22–24, 2012 | Barack Obama | 43% | Mitt Romney | 45% | 2 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 22–24, 2012 | Barack Obama | 47% | Rick Santorum | 42% | 5 | 1500 LV | ±3% |
| McClatchy/Marist College | March 20–22, 2012 | Barack Obama | 46% | Mitt Romney | 44% | 2 | 846 RV | ±3.5% |
| McClatchy/Marist College | March 20–22, 2012 | Barack Obama | 48% | Rick Santorum | 43% | 5 | 846 RV | ±3.5% |
| McClatchy/Marist College | March 20–22, 2012 | Barack Obama | 53% | Newt Gingrich | 38% | 15 | 846 RV | ±3.5% |
| McClatchy/Marist College | March 20–22, 2012 | Barack Obama | 50% | Ron Paul | 40% | 10 | 846 RV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 19–21, 2012 | Barack Obama | 47% | Mitt Romney | 44% | 3 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 19–21, 2012 | Barack Obama | 49% | Rick Santorum | 41% | 8 | 1500 LV | ±3% |
| The Economist/YouGov | March 17–20, 2012 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 715 RV | Not reported |
| The Economist/YouGov | March 17–20, 2012 | Barack Obama | 51% | Newt Gingrich | 39% | 12 | 715 RV | Not reported |
| The Economist/YouGov | March 17–20, 2012 | Barack Obama | 52% | Rick Santorum | 40% | 12 | 715 RV | Not reported |
| The Economist/YouGov | March 17–20, 2012 | Barack Obama | 47% | Ron Paul | 42% | 5 | 715 RV | Not reported |
| Reason-Rupe Public Opinion | March 10–20, 2012 | Barack Obama | 46% | Mitt Romney | 40% | 6 | 1200 A | ±3% |
| Reason-Rupe Public Opinion | March 10–20, 2012 | Barack Obama | 47% | Rick Santorum | 37% | 10 | 1200 A | ±3% |
| Reason-Rupe Public Opinion | March 10–20, 2012 | Barack Obama | 47% | Ron Paul | 37% | 10 | 1200 A | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 16–18, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 16–18, 2012 | Barack Obama | 49% | Rick Santorum | 43% | 6 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 16–18, 2012 | Barack Obama | 50% | Newt Gingrich | 40% | 10 | 1500 LV | ±3% |
| Public Policy Polling | March 15–17, 2012 | Barack Obama | 50% | Newt Gingrich | 42% | 8 | 900 RV | ±3.3% |
| Public Policy Polling | March 15–17, 2012 | Barack Obama | 46% | Ron Paul | 43% | 3 | 900 RV | ±3.3% |
| Public Policy Polling | March 15–17, 2012 | Barack Obama | 48% | Mitt Romney | 44% | 4 | 900 RV | ±3.3% |
| Public Policy Polling | March 15–17, 2012 | Barack Obama | 48% | Rick Santorum | 45% | 3 | 900 RV | ±3.3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 13–15, 2012 | Barack Obama | 46% | Mitt Romney | 46% | Tied | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 13–15, 2012 | Barack Obama | 49% | Rick Santorum | 43% | 6 | 1500 LV | ±3% |
| The Economist/YouGov | March 10–13, 2012 | Barack Obama | 48% | Mitt Romney | 44% | 4 | 715 RV | Not reported |
| The Economist/YouGov | March 10–13, 2012 | Barack Obama | 51% | Newt Gingrich | 41% | 10 | 715 RV | Not reported |
| The Economist/YouGov | March 10–13, 2012 | Barack Obama | 50% | Rick Santorum | 43% | 7 | 715 RV | Not reported |
| The Economist/YouGov | March 10–13, 2012 | Barack Obama | 48% | Ron Paul | 42% | 6 | 715 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 10–12, 2012 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 10–12, 2012 | Barack Obama | 47% | Rick Santorum | 42% | 5 | 1500 LV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | March 10–12, 2012 | Barack Obama | 46% | Mitt Romney | 42% | 4 | 912 RV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | March 10–12, 2012 | Barack Obama | 53% | Newt Gingrich | 35% | 18 | 912 RV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | March 10–12, 2012 | Barack Obama | 51% | Rick Santorum | 39% | 12 | 912 RV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | March 10–12, 2012 | Barack Obama | 50% | Ron Paul | 38% | 12 | 912 RV | ±3% |
| Bloomberg/Selzer & Company | March 8–11, 2012 | Barack Obama | 47% | Mitt Romney | 47% | Tied | 746 LV | ±3.6% |
| Bloomberg/Selzer & Company | March 8–11, 2012 | Barack Obama | 50% | Rick Santorum | 44% | 6 | 746 LV | ±3.6% |
| Bloomberg/Selzer & Company | March 8–11, 2012 | Barack Obama | 52% | Newt Gingrich | 41% | 11 | 746 LV | ±3.6% |
| Bloomberg/Selzer & Company | March 8–11, 2012 | Barack Obama | 48% | Ron Paul | 43% | 5 | 746 LV | ±3.6% |
| Reuters/Ipsos | March 8–11, 2012 | Barack Obama | 52% | Mitt Romney | 41% | 11 | 937 RV | ±3.3% |
| Reuters/Ipsos | March 8–11, 2012 | Barack Obama | 54% | Newt Gingrich | 37% | 17 | 937 RV | ±3.3% |
| Reuters/Ipsos | March 8–11, 2012 | Barack Obama | 52% | Rick Santorum | 42% | 10 | 937 RV | ±3.3% |
| CBS News/New York Times | March 7–11, 2012 | Barack Obama | 47% | Mitt Romney | 44% | 3 | 878 RV | ±3% |
| CBS News/New York Times | March 7–11, 2012 | Barack Obama | 48% | Rick Santorum | 44% | 4 | 878 RV | ±3% |
| CBS News/New York Times | March 7–11, 2012 | Barack Obama | 49% | Ron Paul | 39% | 10 | 878 RV | ±3% |
| CBS News/New York Times | March 7–11, 2012 | Barack Obama | 52% | Newt Gingrich | 38% | 14 | 878 RV | ±3% |
| Pew Research Center | March 7–11, 2012 | Barack Obama | 54% | Mitt Romney | 42% | 12 | 1188 RV | ±3.5% |
| Pew Research Center | March 7–11, 2012 | Barack Obama | 53% | Rick Santorum | 43% | 10 | 1188 RV | ±3.5% |
| ABC News/Washington Post | March 7–10, 2012 | Barack Obama | 47% | Mitt Romney | 49% | 2 | Not reported | Not reported |
| ABC News/Washington Post | March 7–10, 2012 | Barack Obama | 49% | Rick Santorum | 46% | 3 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 7–9, 2012 | Barack Obama | 43% | Mitt Romney | 48% | 5 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 7–9, 2012 | Barack Obama | 45% | Rick Santorum | 46% | 1 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 4–6, 2012 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 4–6, 2012 | Barack Obama | 49% | Rick Santorum | 40% | 9 | 1500 LV | ±3% |
| The Economist/YouGov | March 3–6, 2012 | Barack Obama | 49% | Mitt Romney | 41% | 8 | 715 RV | Not reported |
| The Economist/YouGov | March 3–6, 2012 | Barack Obama | 50% | Newt Gingrich | 39% | 11 | 715 RV | Not reported |
| The Economist/YouGov | March 3–6, 2012 | Barack Obama | 50% | Rick Santorum | 42% | 8 | 715 RV | Not reported |
| The Economist/YouGov | March 3–6, 2012 | Barack Obama | 48% | Ron Paul | 41% | 7 | 715 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 1–3, 2012 | Barack Obama | 47% | Mitt Romney | 43% | 4 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | March 1–3, 2012 | Barack Obama | 47% | Rick Santorum | 43% | 4 | 1500 LV | ±3% |
| NBC News/Wall Street Journal | February 29 – March 3, 2012 | Barack Obama | 54% | Newt Gingrich | 37% | 17 | Not reported | Not reported |
| NBC News/Wall Street Journal | February 29 – March 3, 2012 | Barack Obama | 50% | Ron Paul | 42% | 8 | Not reported | Not reported |
| NBC News/Wall Street Journal | February 29 – March 3, 2012 | Barack Obama | 50% | Mitt Romney | 44% | 6 | Not reported | Not reported |
| NBC News/Wall Street Journal | February 29 – March 3, 2012 | Barack Obama | 53% | Rick Santorum | 39% | 14 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 27–29, 2012 | Barack Obama | 46% | Mitt Romney | 43% | 3 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 27–29, 2012 | Barack Obama | 46% | Rick Santorum | 42% | 4 | 1500 LV | ±3% |
| The Economist/YouGov | February 25–28, 2012 | Barack Obama | 52% | Newt Gingrich | 38% | 14 | 715 RV | Not reported |
| The Economist/YouGov | February 25–28, 2012 | Barack Obama | 48% | Ron Paul | 39% | 9 | 715 RV | Not reported |
| The Economist/YouGov | February 25–28, 2012 | Barack Obama | 49% | Mitt Romney | 40% | 9 | 715 RV | Not reported |
| The Economist/YouGov | February 25–28, 2012 | Barack Obama | 50% | Rick Santorum | 41% | 9 | 715 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 24–26, 2012 | Barack Obama | 43% | Mitt Romney | 45% | 2 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 24–26, 2012 | Barack Obama | 45% | Rick Santorum | 43% | 2 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 24–26, 2012 | Barack Obama | 49% | Newt Gingrich | 39% | 10 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 21–23, 2012 | Barack Obama | 48% | Mitt Romney | 41% | 7 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 21–23, 2012 | Barack Obama | 48% | Rick Santorum | 42% | 6 | 1500 LV | ±3% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | February 19–22, 2012 | Barack Obama | 53% | Mitt Romney | 43% | 10 | 1000 LV | ±3.1% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | February 19–22, 2012 | Barack Obama | 53% | Rick Santorum | 42% | 11 | 1000 LV | ±3.1% |
| The Economist/YouGov | February 18–21, 2012 | Barack Obama | 52% | Newt Gingrich | 36% | 13 | 715 RV | Not reported |
| The Economist/YouGov | February 18–21, 2012 | Barack Obama | 49% | Ron Paul | 37% | 12 | 715 RV | Not reported |
| The Economist/YouGov | February 18–21, 2012 | Barack Obama | 49% | Mitt Romney | 41% | 8 | 715 RV | Not reported |
| The Economist/YouGov | February 18–21, 2012 | Barack Obama | 51% | Rick Santorum | 41% | 10 | 715 RV | Not reported |
| Quinnipiac University | February 14–20, 2012 | Barack Obama | 46% | Mitt Romney | 44% | 2 | 2605 RV | ±1.9% |
| Quinnipiac University | February 14–20, 2012 | Barack Obama | 47% | Rick Santorum | 44% | 3 | 2605 RV | ±1.9% |
| Quinnipiac University | February 14–20, 2012 | Barack Obama | 50% | Newt Gingrich | 39% | 11 | 2605 RV | ±1.9% |
| Associated Press/GfK Group/Roper | February 16–20, 2012 | Barack Obama | 52% | Newt Gingrich | 42% | 10 | 1000 A | ±4.1% |
| Associated Press/GfK Group/Roper | February 16–20, 2012 | Barack Obama | 53% | Ron Paul | 44% | 9 | 1000 A | ±4.1% |
| Associated Press/GfK Group/Roper | February 16–20, 2012 | Barack Obama | 51% | Mitt Romney | 43% | 8 | 1000 A | ±4.1% |
| Associated Press/GfK Group/Roper | February 16–20, 2012 | Barack Obama | 52% | Rick Santorum | 43% | 9 | 1000 A | ±4.1% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 18–20, 2012 | Barack Obama | 45% | Mitt Romney | 43% | 2 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 18–20, 2012 | Barack Obama | 46% | Rick Santorum | 44% | 2 | 1500 LV | ±3% |
| USA Today/Gallup | February 16–19, 2012 | Barack Obama | 46% | Mitt Romney | 50% | 4 | 898 RV | ±4% |
| USA Today/Gallup | February 16–19, 2012 | Barack Obama | 47% | Rick Santorum | 44% | 3 | 898 RV | ±4% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 15–17, 2012 | Barack Obama | 49% | Mitt Romney | 41% | 8 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 15–17, 2012 | Barack Obama | 48% | Rick Santorum | 40% | 8 | 1500 LV | ±3% |
| Angus Reid Public Opinion | February 15–17, 2012 | Barack Obama | 54% | Newt Gingrich | 37% | 17 | 630 RV | Not reported |
| Angus Reid Public Opinion | February 15–17, 2012 | Barack Obama | 50% | Ron Paul | 39% | 11 | 608 RV | Not reported |
| Angus Reid Public Opinion | February 15–17, 2012 | Barack Obama | 49% | Mitt Romney | 44% | 5 | 665 RV | Not reported |
| Angus Reid Public Opinion | February 15–17, 2012 | Barack Obama | 49% | Rick Santorum | 46% | 3 | 652 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 12–14, 2012 | Barack Obama | 47% | Mitt Romney | 43% | 4 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 12–14, 2012 | Barack Obama | 48% | Rick Santorum | 42% | 6 | 1500 LV | ±3% |
| Democracy Corps/Greenberg Quinlan Rosner (D) | February 11–14, 2012 | Barack Obama | 49% | Mitt Romney | 45% | 4 | 1000 LV | ±3.5% |
| The Economist/YouGov | February 11–14, 2012 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 715 RV | Not reported |
| The Economist/YouGov | February 11–14, 2012 | Barack Obama | 52% | Newt Gingrich | 37% | 15 | 715 RV | Not reported |
| The Economist/YouGov | February 11–14, 2012 | Barack Obama | 49% | Rick Santorum | 42% | 7 | 715 RV | Not reported |
| The Economist/YouGov | February 11–14, 2012 | Barack Obama | 49% | Ron Paul | 41% | 8 | 715 RV | Not reported |
| CNN/Opinion Research Corporation | February 10–13, 2012 | Barack Obama | 55% | Newt Gingrich | 42% | 13 | 937 RV | ±3% |
| CNN/Opinion Research Corporation | February 10–13, 2012 | Barack Obama | 52% | Ron Paul | 45% | 7 | 937 RV | ±3% |
| CNN/Opinion Research Corporation | February 10–13, 2012 | Barack Obama | 51% | Mitt Romney | 46% | 5 | 937 RV | ±3% |
| CNN/Opinion Research Corporation | February 10–13, 2012 | Barack Obama | 52% | Rick Santorum | 45% | 7 | 937 RV | ±3% |
| CBS News/New York Times | February 8–13, 2012 | Barack Obama | 48% | Mitt Romney | 42% | 6 | 1064 RV | ±3% |
| CBS News/New York Times | February 8–13, 2012 | Barack Obama | 49% | Rick Santorum | 41% | 8 | 1064 RV | ±3% |
| CBS News/New York Times | February 8–13, 2012 | Barack Obama | 50% | Ron Paul | 39% | 11 | 1064 RV | ±3% |
| CBS News/New York Times | February 8–13, 2012 | Barack Obama | 54% | Newt Gingrich | 36% | 18 | 1064 RV | ±3% |
| Public Policy Polling | February 9–12, 2012 | Barack Obama | 52% | Newt Gingrich | 40% | 12 | 1200 RV | ±2.8% |
| Public Policy Polling | February 9–12, 2012 | Barack Obama | 49% | Ron Paul | 41% | 8 | 1200 RV | ±2.8% |
| Public Policy Polling | February 9–12, 2012 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 1200 RV | ±2.8% |
| Public Policy Polling | February 9–12, 2012 | Barack Obama | 49% | Rick Santorum | 44% | 5 | 1200 RV | ±2.8% |
| Pew Research Center | February 8–12, 2012 | Barack Obama | 52% | Mitt Romney | 44% | 8 | 1172 RV | ±3.5% |
| Pew Research Center | February 8–12, 2012 | Barack Obama | 53% | Rick Santorum | 43% | 10 | 1172 RV | ±3.5% |
| Pew Research Center | February 8–12, 2012 | Barack Obama | 57% | Newt Gingrich | 39% | 18 | 1172 RV | ±3.5% |
| Fairleigh Dickinson University/PublicMind | February 6–12, 2012 | Barack Obama | 45% | Mitt Romney | 41% | 4 | 903 RV | ±3.3% |
| Fairleigh Dickinson University/PublicMind | February 6–12, 2012 | Barack Obama | 51% | Newt Gingrich | 36% | 15 | 903 RV | ±3.3% |
| Fairleigh Dickinson University/PublicMind | February 6–12, 2012 | Barack Obama | 46% | Ron Paul | 39% | 7 | 903 RV | ±3.3% |
| Fairleigh Dickinson University/PublicMind | February 6–12, 2012 | Barack Obama | 48% | Rick Santorum | 39% | 9 | 903 RV | ±3.3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 9–11, 2012 | Barack Obama | 48% | Mitt Romney | 41% | 7 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 9–11, 2012 | Barack Obama | 48% | Rick Santorum | 41% | 7 | 1500 LV | ±3% |
| Fox News/Anderson Robbins/ Shaw & Company | February 6–9, 2012 | Barack Obama | 47% | Mitt Romney | 42% | 5 | 1110 RV | ±3% |
| Fox News/Anderson Robbins/ Shaw & Company | February 6–9, 2012 | Barack Obama | 51% | Newt Gingrich | 38% | 13 | 1110 RV | ±3% |
| Fox News/Anderson Robbins/ Shaw & Company | February 6–9, 2012 | Barack Obama | 50% | Rick Santorum | 38% | 12 | 1110 RV | ±3% |
| Fox News/Anderson Robbins/ Shaw & Company | February 6–9, 2012 | Barack Obama | 48% | Ron Paul | 38% | 10 | 1110 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 6–8, 2012 | Barack Obama | 48% | Mitt Romney | 42% | 6 | 1500 LV | ±3% |
| The Economist/YouGov | February 4–7, 2012 | Barack Obama | 51% | Mitt Romney | 39% | 12 | 715 RV | Not reported |
| The Economist/YouGov | February 4–7, 2012 | Barack Obama | 54% | Newt Gingrich | 36% | 18 | 715 RV | Not reported |
| The Economist/YouGov | February 4–7, 2012 | Barack Obama | 52% | Rick Santorum | 37% | 15 | 715 RV | Not reported |
| The Economist/YouGov | February 4–7, 2012 | Barack Obama | 51% | Ron Paul | 39% | 12 | 715 RV | Not reported |
| Reuters/Ipsos | February 2–6, 2012 | Barack Obama | 48% | Mitt Romney | 42% | 6 | 881 RV | ±3.3% |
| Reuters/Ipsos | February 2–6, 2012 | Barack Obama | 50% | Newt Gingrich | 38% | 12 | 881 RV | ±3.3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | February 3–5, 2012 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 1500 LV | ±3% |
| ABC News/Washington Post | February 1–4, 2012 | Barack Obama | 51% | Mitt Romney | 45% | 6 | 879 RV | ±4% |
| ABC News/Washington Post | February 1–4, 2012 | Barack Obama | 54% | Newt Gingrich | 43% | 11 | 879 RV | ±4% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 31 – February 2, 2012 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1500 LV | ±3% |
| The Economist/YouGov | January 28–31, 2012 | Barack Obama | 49% | Mitt Romney | 40% | 9 | 715 RV | ±3.5% |
| The Economist/YouGov | January 28–31, 2012 | Barack Obama | 52% | Newt Gingrich | 37% | 15 | 715 RV | ±3.5% |
| The Economist/YouGov | January 28–31, 2012 | Barack Obama | 50% | Rick Santorum | 40% | 10 | 715 RV | ±3.5% |
| The Economist/YouGov | January 28–31, 2012 | Barack Obama | 48% | Ron Paul | 40% | 8 | 715 RV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 28–30, 2012 | Barack Obama | 47% | Mitt Romney | 42% | 5 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 28–30, 2012 | Barack Obama | 50% | Newt Gingrich | 37% | 13 | 1500 LV | ±3% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | January 26–29, 2012 | Barack Obama | 46% | Mitt Romney | 42% | 4 | 1000 RV | ±3.1% |
| Daily Kos/Service Employees' International Union/Service Employees' International Union/Public Policy Polling (D) | January 26–29, 2012 | Barack Obama | 49% | Newt Gingrich | 40% | 9 | 1000 RV | ±3.1% |
| USA Today/Gallup | January 27–28, 2012 | Barack Obama | 48% | Mitt Romney | 48% | Tied | 907 RV | ±4% |
| USA Today/Gallup | January 27–28, 2012 | Barack Obama | 53% | Newt Gingrich | 41% | 12 | 907 RV | ±4% |
| USA Today/Gallup | January 27–28, 2012 | Barack Obama | 51% | Rick Santorum | 43% | 8 | 907 RV | ±4% |
| USA Today/Gallup | January 27–28, 2012 | Barack Obama | 49% | Ron Paul | 46% | 3 | 907 RV | ±4% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 25–27, 2012 | Barack Obama | 46% | Mitt Romney | 42% | 4 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 25–27, 2012 | Barack Obama | 49% | Newt Gingrich | 39% | 10 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 23–25, 2012 | Barack Obama | 46% | Mitt Romney | 43% | 3 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 23–25, 2012 | Barack Obama | 48% | Newt Gingrich | 41% | 7 | 1500 LV | ±3% |
| NBC News/Wall Street Journal | January 22–24, 2012 | Barack Obama | 49% | Mitt Romney | 43% | 6 | Not reported | Not reported |
| NBC News/Wall Street Journal | January 22–24, 2012 | Barack Obama | 55% | Newt Gingrich | 37% | 18 | Not reported | Not reported |
| NBC News/Wall Street Journal | January 22–24, 2012 | Barack Obama | 53% | Rick Santorum | 38% | 15 | Not reported | Not reported |
| The Economist/YouGov | January 21–24, 2012 | Barack Obama | 47% | Mitt Romney | 41% | 6 | 715 RV | Not reported |
| The Economist/YouGov | January 21–24, 2012 | Barack Obama | 49% | Newt Gingrich | 39% | 10 | 715 RV | Not reported |
| The Economist/YouGov | January 21–24, 2012 | Barack Obama | 49% | Rick Santorum | 39% | 10 | 715 RV | Not reported |
| The Economist/YouGov | January 21–24, 2012 | Barack Obama | 47% | Ron Paul | 40% | 7 | 715 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 22–24, 2012 | Barack Obama | 46% | Mitt Romney | 43% | 7 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 22–24, 2012 | Barack Obama | 48% | Newt Gingrich | 41% | 7 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 19–21, 2012 | Barack Obama | 44% | Mitt Romney | 44% | Tied | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research (Daily Tracking) | January 19–21, 2012 | Barack Obama | 47% | Newt Gingrich | 40% | 7 | 1500 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | January 17–18, 2012 | Barack Obama | 48% | Rick Santorum | 38% | 10 | 1000 LV | ±3% |
| Angus Reid Public Opinion | January 17–18, 2012 | Barack Obama | 47% | Mitt Romney | 49% | 2 | 710 A | Not reported |
| Angus Reid Public Opinion | January 17–18, 2012 | Barack Obama | 55% | Newt Gingrich | 38% | 17 | 662 A | Not reported |
| Angus Reid Public Opinion | January 17–18, 2012 | Barack Obama | 51% | Rick Santorum | 40% | 11 | 625 A | Not reported |
| Angus Reid Public Opinion | January 17–18, 2012 | Barack Obama | 50% | Ron Paul | 40% | 10 | 662 A | Not reported |
| Angus Reid Public Opinion | January 17–18, 2012 | Barack Obama | 57% | Rick Perry | 34% | 23 | 617 A | Not reported |
| CBS News/New York Times | January 12–17, 2012 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1021 RV | ±3% |
| CBS News/New York Times | January 12–17, 2012 | Barack Obama | 50% | Newt Gingrich | 39% | 11 | 1021 RV | ±3% |
| CBS News/New York Times | January 12–17, 2012 | Barack Obama | 49% | Rick Santorum | 38% | 11 | 1021 RV | ±3% |
| CBS News/New York Times | January 12–17, 2012 | Barack Obama | 46% | Ron Paul | 42% | 4 | 1021 RV | ±3% |
| CBS News/New York Times | January 12–17, 2012 | Barack Obama | 50% | Rick Perry | 38% | 12 | 1021 RV | ±3% |
| CBS News/New York Times | January 12–17, 2012 | Barack Obama | 47% | Jon Huntsman, Jr. | 36% | 11 | 1021 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | January 15–16, 2012 | Barack Obama | 47% | Newt Gingrich | 38% | 9 | 1000 LV | ±3% |
| Public Policy Polling | January 13–16, 2012 | Barack Obama | 49% | Mitt Romney | 44% | 5 | 700 RV | ±3.7% |
| Public Policy Polling | January 13–16, 2012 | Barack Obama | 49% | Newt Gingrich | 42% | 7 | 700 RV | ±3.7% |
| Public Policy Polling | January 13–16, 2012 | Barack Obama | 50% | Rick Santorum | 42% | 8 | 700 RV | ±3.7% |
| Public Policy Polling | January 13–16, 2012 | Barack Obama | 47% | Ron Paul | 42% | 5 | 700 RV | ±3.7% |
| Public Policy Polling | January 13–16, 2012 | Barack Obama | 51% | Rick Perry | 40% | 11 | 700 RV | ±3.7% |
| Pew Research Center | January 11–16, 2012 | Barack Obama | 50% | Mitt Romney | 45% | 5 | 1207 RV | ±3% |
| ABC News/Washington Post | January 12–15, 2012 | Barack Obama | 46% | Mitt Romney | 48% | 2 | Not reported | Not reported |
| ABC News/Washington Post | January 12–15, 2012 | Barack Obama | 52% | Newt Gingrich | 40% | 12 | Not reported | Not reported |
| ABC News/Washington Post | January 12–15, 2012 | Barack Obama | 49% | Ron Paul | 42% | 7 | Not reported | Not reported |
| ABC News/Washington Post | January 12–15, 2012 | Barack Obama | 52% | Rick Santorum | 41% | 11 | Not reported | Not reported |
| Fox News/Anderson Robbins/Shaw & Company | January 12–14, 2012 | Barack Obama | 46% | Mitt Romney | 45% | 1 | 906 RV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | January 12–14, 2012 | Barack Obama | 51% | Newt Gingrich | 37% | 14 | 906 RV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | January 12–14, 2012 | Barack Obama | 50% | Rick Santorum | 38% | 12 | 906 RV | ±3% |
| CNN/Opinion Research Corporation | January 11–12, 2012 | Barack Obama | 47% | Mitt Romney | 48% | 1 | 928 RV | ±3% |
| CNN/Opinion Research Corporation | January 11–12, 2012 | Barack Obama | 48% | Ron Paul | 46% | 2 | 928 RV | ±3% |
| CNN/Opinion Research Corporation | January 11–12, 2012 | Barack Obama | 51% | Rick Santorum | 45% | 6 | 928 RV | ±3% |
| CNN/Opinion Research Corporation | January 11–12, 2012 | Barack Obama | 52% | Newt Gingrich | 43% | 9 | 928 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | January 11–12, 2012 | Barack Obama | 43% | Ron Paul | 37% | 6 | 1000 LV | ±3% |
| Democracy Corps/Center for American Progress/Center for American Progress/Greenberg Quinlan Rosner (D) | January 8–11, 2012 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 1000 LV | Not reported |
| Rasmussen Reports/Pulse Opinion Research | January 9–10, 2012 | Barack Obama | 44% | Mitt Romney | 41% | 3 | 1000 LV | ±3% |
| The Economist/YouGov | January 7–10, 2012 | Barack Obama | 45% | Mitt Romney | 43% | 2 | 715 RV | Not reported |
| The Economist/YouGov | January 7–10, 2012 | Barack Obama | 44% | Ron Paul | 41% | 3 | 715 RV | Not reported |
| The Economist/YouGov | January 7–10, 2012 | Barack Obama | 48% | Rick Santorum | 41% | 7 | 715 RV | Not reported |
| Reuters/Ipsos | January 5–9, 2012 | Barack Obama | 48% | Mitt Romney | 43% | 5 | 896 RV | ±3.2% |
| Reuters/Ipsos | January 5–9, 2012 | Barack Obama | 48% | Ron Paul | 41% | 7 | 896 RV | ±3.2% |
| Reuters/Ipsos | January 5–9, 2012 | Barack Obama | 51% | Rick Santorum | 40% | 11 | 896 RV | ±3.2% |
| Reuters/Ipsos | January 5–9, 2012 | Barack Obama | 53% | Newt Gingrich | 38% | 15 | 896 RV | ±3.2% |
| Rasmussen Reports/Pulse Opinion Research | January 7–8, 2012 | Barack Obama | 46% | Newt Gingrich | 38% | 8 | 1000 LV | ±3% |
| CBS News | January 4–8, 2012 | Barack Obama | 45% | Mitt Romney | 47% | 2 | 1247 RV | ±3% |
| CBS News | January 4–8, 2012 | Barack Obama | 49% | Newt Gingrich | 41% | 8 | 1247 RV | ±3% |
| CBS News | January 4–8, 2012 | Barack Obama | 46% | Ron Paul | 45% | 1 | 1247 RV | ±3% |
| CBS News | January 4–8, 2012 | Barack Obama | 47% | Rick Santorum | 43% | 4 | 1247 RV | ±3% |
| CBS News | January 4–8, 2012 | Barack Obama | 49% | Rick Perry | 42% | 7 | 1247 RV | ±3% |
| CBS News | January 4–8, 2012 | Barack Obama | 48% | Jon Huntsman, Jr. | 41% | 7 | 1247 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | January 5–6, 2012 | Barack Obama | 46% | Rick Santorum | 39% | 7 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | January 3–4, 2012 | Barack Obama | 42% | Mitt Romney | 42% | Tied | 1000 LV | ±3% |
| The Economist/YouGov | December 31, 2011 – January 3, 2012 | Barack Obama | 49% | Mitt Romney | 40% | 9 | 715 RV | Not reported |
| The Economist/YouGov | December 31, 2011 – January 3, 2012 | Barack Obama | 51% | Newt Gingrich | 37% | 14 | 715 RV | Not reported |
| Rasmussen Reports/Pulse Opinion Research | January 1–2, 2012 | Barack Obama | 49% | Newt Gingrich | 39% | 10 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | December 29–30, 2011 | Barack Obama | 46% | Jon Huntsman, Jr. | 33% | 13 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | December 27–28, 2011 | Barack Obama | 39% | Mitt Romney | 45% | 6 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | December 25–26, 2011 | Barack Obama | 47% | Newt Gingrich | 37% | 10 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | December 20–21, 2011 | Barack Obama | 44% | Mitt Romney | 41% | 3 | 1000 LV | ±3% |
| The Economist/YouGov | December 17–20, 2011 | Barack Obama | 47% | Mitt Romney | 40% | 7 | Not reported | Not reported |
| The Economist/YouGov | December 17–20, 2011 | Barack Obama | 50% | Newt Gingrich | 37% | 13 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research | December 18–19, 2011 | Barack Obama | 48% | Newt Gingrich | 37% | 11 | 1000 LV | ±3% |
| CNN/Opinion Research Corporation | December 16–18, 2011 | Barack Obama | 52% | Mitt Romney | 45% | 7 | 928 RV | ±3% |
| CNN/Opinion Research Corporation | December 16–18, 2011 | Barack Obama | 56% | Newt Gingrich | 40% | 16 | 928 RV | ±3% |
| CNN/Opinion Research Corporation | December 16–18, 2011 | Barack Obama | 52% | Ron Paul | 45% | 7 | 928 RV | ±3% |
| CNN/Opinion Research Corporation | December 16–18, 2011 | Barack Obama | 57% | Michele Bachmann | 38% | 19 | 928 RV | ±3% |
| CNN/Opinion Research Corporation | December 16–18, 2011 | Barack Obama | 57% | Rick Perry | 39% | 18 | 928 RV | ±3% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 45% | Mitt Romney | 47% | 2 | 700 RV | ±3.7% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 49% | Newt Gingrich | 44% | 5 | 700 RV | ±3.7% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 46% | Ron Paul | 41% | 5 | 700 RV | ±3.7% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 50% | Michele Bachmann | 41% | 9 | 700 RV | ±3.7% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 50% | Rick Perry | 40% | 10 | 700 RV | ±3.7% |
| ABC News/Washington Post | December 15–18, 2011 | Barack Obama | 47% | Mitt Romney | 47% | Tied | Not reported | Not reported |
| ABC News/Washington Post | December 15–18, 2011 | Barack Obama | 51% | Newt Gingrich | 43% | 8 | Not reported | Not reported |
| ABC News/Washington Post | December 15–18, 2011 | Barack Obama | 49% | Ron Paul | 44% | 5 | Not reported | Not reported |
| USA Today/Gallup | December 15–18, 2011 | Barack Obama | 50% | Mitt Romney | 48% | 2 | 898 RV | ±4% |
| USA Today/Gallup | December 15–18, 2011 | Barack Obama | 50% | Newt Gingrich | 48% | 2 | 898 RV | ±4% |
| Rasmussen Reports/Pulse Opinion Research | December 16–17, 2011 | Barack Obama | 47% | Rick Santorum | 37% | 10 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | December 14–15, 2011 | Barack Obama | 42% | Mitt Romney | 43% | 1 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | December 12–13, 2011 | Barack Obama | 49% | Newt Gingrich | 39% | 10 | 1000 LV | ±3% |
| The Economist/YouGov | December 10–13, 2011 | Barack Obama | 46% | Mitt Romney | 43% | 3 | Not reported | Not reported |
| The Economist/YouGov | December 10–13, 2011 | Barack Obama | 48% | Newt Gingrich | 39% | 9 | Not reported | Not reported |
| The Economist/YouGov | December 10–13, 2011 | Barack Obama | 47% | Ron Paul | 40% | 7 | Not reported | Not reported |
| Reuters/Ipsos | December 8–12, 2011 | Barack Obama | 48% | Mitt Romney | 40% | 8 | 921 RV | ±3.2% |
| Reuters/Ipsos | December 8–12, 2011 | Barack Obama | 51% | Newt Gingrich | 38% | 13 | 921 RV | ±3.2% |
| Reuters/Ipsos | December 8–12, 2011 | Barack Obama | 50% | Rick Perry | 37% | 13 | 921 RV | ±3.2% |
| Associated Press/GfK Group/Roper | December 8–12, 2011 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 1000 A | ±4% |
| Associated Press/GfK Group/Roper | December 8–12, 2011 | Barack Obama | 51% | Newt Gingrich | 42% | 9 | 1000 A | ±4% |
| Rasmussen Reports/Pulse Opinion Research | December 10–11, 2011 | Barack Obama | 43% | Ron Paul | 35% | 8 | 1000 LV | ±3% |
| NBC News/Wall Street Journal | December 7–11, 2011 | Barack Obama | 47% | Mitt Romney | 45% | 2 | Not reported | Not reported |
| NBC News/Wall Street Journal | December 7–11, 2011 | Barack Obama | 51% | Newt Gingrich | 40% | 11 | Not reported | Not reported |
| NBC News/Wall Street Journal | December 7–11, 2011 | Barack Obama | 50% | Ron Paul | 37% | 13 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research | December 8–9, 2011 | Barack Obama | 42% | Mitt Romney | 45% | 3 | 1000 LV | ±3% |
| USA Today/Gallup | December 6–7, 2011 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 883 RV | ±4% |
| USA Today/Gallup | December 6–7, 2011 | Barack Obama | 50% | Newt Gingrich | 44% | 6 | 883 RV | ±4% |
| Rasmussen Reports/Pulse Opinion Research | December 6–7, 2011 | Barack Obama | 45% | Newt Gingrich | 40% | 5 | 1000 LV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | December 5–7, 2011 | Barack Obama | 44% | Mitt Romney | 42% | 2 | 911 RV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | December 5–7, 2011 | Barack Obama | 46% | Newt Gingrich | 40% | 6 | 911 RV | ±3% |
| The Economist/YouGov | December 3–6, 2011 | Barack Obama | 46% | Mitt Romney | 44% | 2 | Not reported | Not reported |
| The Economist/YouGov | December 3–6, 2011 | Barack Obama | 46% | Newt Gingrich | 42% | 4 | Not reported | Not reported |
| The Economist/YouGov | December 3–6, 2011 | Barack Obama | 46% | Ron Paul | 44% | 2 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research | December 4–5, 2011 | Barack Obama | 46% | Rick Perry | 34% | 12 | 1000 LV | ±3% |
| Fairleigh Dickinson University/PublicMind | November 29 – December 5, 2011 | Barack Obama | 53% | Rick Perry | 35% | 18 | 855 RV | ±3.5% |
| Fairleigh Dickinson University/PublicMind | November 29 – December 5, 2011 | Barack Obama | 46% | Mitt Romney | 42% | 4 | 855 RV | ±3.5% |
| Fairleigh Dickinson University/PublicMind | November 29 – December 5, 2011 | Barack Obama | 48% | Newt Gingrich | 42% | 6 | 855 RV | ±3.5% |
| Fairleigh Dickinson University/PublicMind | November 29 – December 5, 2011 | Barack Obama | 50% | Jon Huntsman, Jr. | 32% | 18 | 855 RV | ±3.5% |
| Fairleigh Dickinson University/PublicMind | November 29 – December 5, 2011 | Barack Obama | 56% | Herman Cain | 30% | 26 | 855 RV | ±3.5% |
| Fairleigh Dickinson University/PublicMind | November 29 – December 5, 2011 | Barack Obama | 54% | Ron Paul | 35% | 19 | 855 RV | ±3.5% |
| Fairleigh Dickinson University/PublicMind | November 29 – December 5, 2011 | Barack Obama | 57% | Michele Bachmann | 30% | 27 | 855 RV | ±3.5% |
| Fairleigh Dickinson University/PublicMind | November 29 – December 5, 2011 | Barack Obama | 55% | Rick Santorum | 34% | 21 | 855 RV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research | December 2–3, 2011 | Barack Obama | 41% | Jon Huntsman, Jr. | 34% | 7 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 30 – December 1, 2011 | Barack Obama | 42% | Mitt Romney | 40% | 2 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 28–29, 2011 | Barack Obama | 43% | Newt Gingrich | 45% | 2 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 26–27, 2011 | Barack Obama | 46% | Herman Cain | 36% | 10 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 21–22, 2011 | Barack Obama | 44% | Mitt Romney | 38% | 6 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 19–20, 2011 | Barack Obama | 46% | Newt Gingrich | 40% | 6 | 1000 LV | ±3% |
| Quinnipiac University | November 14–20, 2011 | Barack Obama | 45% | Mitt Romney | 44% | 1 | 2552 RV | ±1.9% |
| Quinnipiac University | November 14–20, 2011 | Barack Obama | 49% | Newt Gingrich | 40% | 9 | 2552 RV | ±1.9% |
| Quinnipiac University | November 14–20, 2011 | Barack Obama | 50% | Herman Cain | 37% | 13 | 2552 RV | ±1.9% |
| IBOPE/Zogby International | November 15–17, 2011 | Barack Obama | 42% | Mitt Romney | 44% | 2 | 2064 LV | ±2.2% |
| IBOPE/Zogby International | November 15–17, 2011 | Barack Obama | 47% | Newt Gingrich | 46% | 1 | 2064 LV | ±2.2% |
| IBOPE/Zogby International | November 15–17, 2011 | Barack Obama | 47% | Herman Cain | 44% | 3 | 2064 LV | ±2.2% |
| IBOPE/Zogby International | November 15–17, 2011 | Barack Obama | 45% | Ron Paul | 38% | 7 | 2064 LV | ±2.2% |
| IBOPE/Zogby International | November 15–17, 2011 | Barack Obama | 48% | Rick Perry | 41% | 7 | 2064 LV | ±2.2% |
| Rasmussen Reports/Pulse Opinion Research | November 15–16, 2011 | Barack Obama | 45% | Michele Bachmann | 33% | 12 | 1000 LV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | November 13–15, 2011 | Barack Obama | 42% | Mitt Romney | 44% | 2 | 914 RV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | November 13–15, 2011 | Barack Obama | 46% | Newt Gingrich | 41% | 5 | 914 RV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | November 13–15, 2011 | Barack Obama | 47% | Herman Cain | 38% | 9 | 914 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 13–14, 2011 | Barack Obama | 46% | Herman Cain | 36% | 10 | 1000 LV | ±3% |
| Pew Research Center | November 9–14, 2011 | Barack Obama | 49% | Mitt Romney | 47% | 2 | 1576 RV | ±3.0% |
| Pew Research Center | November 9–14, 2011 | Barack Obama | 53% | Rick Perry | 42% | 11 | 1576 RV | ±3.0% |
| Pew Research Center | November 9–14, 2011 | Barack Obama | 54% | Newt Gingrich | 42% | 12 | 1576 RV | ±3.0% |
| Pew Research Center | November 9–14, 2011 | Barack Obama | 54% | Herman Cain | 42% | 12 | 1576 RV | ±3.0% |
| CNN/Opinion Research Corporation | November 11–13, 2011 | Barack Obama | 47% | Mitt Romney | 51% | 4 | 925 RV | ±3% |
| CNN/Opinion Research Corporation | November 11–13, 2011 | Barack Obama | 52% | Rick Perry | 45% | 7 | 925 RV | ±3% |
| CNN/Opinion Research Corporation | November 11–13, 2011 | Barack Obama | 53% | Newt Gingrich | 45% | 8 | 925 RV | ±3% |
| CNN/Opinion Research Corporation | November 11–13, 2011 | Barack Obama | 53% | Herman Cain | 43% | 10 | 925 RV | ±3% |
| Public Policy Polling | November 10–13, 2011 | Barack Obama | 46% | Mitt Romney | 43% | 3 | 800 RV | ±3.5% |
| Public Policy Polling | November 10–13, 2011 | Barack Obama | 49% | Newt Gingrich | 43% | 6 | 800 RV | ±3.5% |
| Public Policy Polling | November 10–13, 2011 | Barack Obama | 47% | Ron Paul | 41% | 6 | 800 RV | ±3.5% |
| Public Policy Polling | November 10–13, 2011 | Barack Obama | 48% | Herman Cain | 41% | 7 | 800 RV | ±3.5% |
| Public Policy Polling | November 10–13, 2011 | Barack Obama | 49% | Rick Perry | 39% | 10 | 800 RV | ±3.5% |
| Public Policy Polling | November 10–13, 2011 | Barack Obama | 50% | Michele Bachmann | 39% | 11 | 800 RV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research | November 11–12, 2011 | Barack Obama | 50% | Newt Gingrich | 38% | 12 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 9–10, 2011 | Barack Obama | 43% | Mitt Romney | 42% | 1 | 1000 LV | ±3% |
| McClatchy/Marist College | November 8–10, 2011 | Barack Obama | 47% | Newt Gingrich | 45% | 2 | 872 RV | ±3.5% |
| McClatchy/Marist College | November 8–10, 2011 | Barack Obama | 48% | Mitt Romney | 44% | 4 | 872 RV | ±3.5% |
| McClatchy/Marist College | November 8–10, 2011 | Barack Obama | 49% | Ron Paul | 41% | 8 | 872 RV | ±3.5% |
| McClatchy/Marist College | November 8–10, 2011 | Barack Obama | 49% | Herman Cain | 39% | 10 | 872 RV | ±3.5% |
| McClatchy/Marist College | November 8–10, 2011 | Barack Obama | 51% | Rick Perry | 40% | 11 | 872 RV | ±3.5% |
| McClatchy/Marist College | November 8–10, 2011 | Barack Obama | 54% | Michele Bachmann | 35% | 19 | 872 RV | ±3.5% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | November 6–9, 2011 | Barack Obama | 49% | Mitt Romney | 43% | 6 | 1000 LV | ±3.1% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | November 6–9, 2011 | Barack Obama | 49% | Herman Cain | 40% | 9 | 1000 LV | ±3.1% |
| Rasmussen Reports/Pulse Opinion Research | November 7–8, 2011 | Barack Obama | 48% | Herman Cain | 37% | 11 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 5–6, 2011 | Barack Obama | 44% | Rick Perry | 35% | 9 | 1000 LV | ±3% |
| NBC News/Wall Street Journal | November 2–5, 2011 | Barack Obama | 49% | Mitt Romney | 43% | 6 | Not reported | Not reported |
| NBC News/Wall Street Journal | November 2–5, 2011 | Barack Obama | 53% | Herman Cain | 38% | 15 | Not reported | Not reported |
| ABC News/Washington Post | October 31 – November 3, 2011 | Barack Obama | 46% | Mitt Romney | 47% | 1 | Not reported | Not reported |
| ABC News/Washington Post | October 31 – November 3, 2011 | Barack Obama | 50% | Herman Cain | 45% | 5 | Not reported | Not reported |
| ABC News/Washington Post | October 31 – November 3, 2011 | Barack Obama | 51% | Rick Perry | 43% | 8 | Not reported | Not reported |
| Reuters/Ipsos | October 31 – November 3, 2011 | Barack Obama | 43% | Mitt Romney | 44% | 1 | 937 RV | ±3.2% |
| Reuters/Ipsos | October 31 – November 3, 2011 | Barack Obama | 46% | Herman Cain | 41% | 5 | 937 RV | ±3.2% |
| Reuters/Ipsos | October 31 – November 3, 2011 | Barack Obama | 47% | Rick Perry | 41% | 6 | 937 RV | ±3.2% |
| Rasmussen Reports/Pulse Opinion Research | November 1–2, 2011 | Barack Obama | 42% | Mitt Romney | 41% | 1 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | October 30–31, 2011 | Barack Obama | 43% | Herman Cain | 38% | 5 | 1000 LV | ±3% |
| Vanity Fair/60 Minutes/CBS News | October 28–31, 2011 | Barack Obama | 40% | George W. Bush | 31% | 9 | 1033 A | ±3% |
| Quinnipiac University | October 25–31, 2011 | Barack Obama | 47% | Mitt Romney | 42% | 5 | 2294 RV | ±2.1% |
| Quinnipiac University | October 25–31, 2011 | Barack Obama | 50% | Herman Cain | 40% | 10 | 2294 RV | ±2.1% |
| Quinnipiac University | October 25–31, 2011 | Barack Obama | 52% | Newt Gingrich | 37% | 15 | 2294 RV | ±2.1% |
| Quinnipiac University | October 25–31, 2011 | Barack Obama | 52% | Rick Perry | 36% | 16 | 2294 RV | ±2.1% |
| Rasmussen Reports/Pulse Opinion Research | October 28–29, 2011 | Barack Obama | 44% | Ron Paul | 35% | 9 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | October 26–27, 2011 | Barack Obama | 45% | Rick Perry | 38% | 7 | 1000 LV | ±3% |
| USA Today/Gallup | October 20–27, 2011 | Barack Obama | 47% | Mitt Romney | 47% | Tied | 1169 RV | ±4% |
| USA Today/Gallup | October 20–27, 2011 | Barack Obama | 48% | Herman Cain | 46% | 2 | 1169 RV | ±4% |
| USA Today/Gallup | October 20–27, 2011 | Barack Obama | 49% | Rick Perry | 45% | 4 | 1169 RV | ±4% |
| Rasmussen Reports/Pulse Opinion Research | October 24–25, 2011 | Barack Obama | 42% | Mitt Romney | 44% | 2 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | October 20–21, 2011 | Barack Obama | 39% | Jon Huntsman | 32% | 7 | 1000 LV | ±3% |
| Democracy Corps/Center for American Progress/Center for American Progress/Greenberg Quinlan Rosner (D) | October 15–18, 2011 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1000 LV | Not reported |
| Rasmussen Reports/Pulse Opinion Research | October 16–17, 2011 | Barack Obama | 43% | Mitt Romney | 42% | 1 | 1000 LV | ±3% |
| Associated Press/GfK Group/Roper | October 13–17, 2011 | Barack Obama | 48% | Mitt Romney | 45% | 3 | 1000 A | ±4% |
| Associated Press/GfK Group/Roper | October 13–17, 2011 | Barack Obama | 49% | Herman Cain | 43% | 6 | 1000 A | ±4% |
| Associated Press/GfK Group/Roper | October 13–17, 2011 | Barack Obama | 51% | Rick Perry | 42% | 9 | 1000 A | ±4% |
| Rasmussen Reports/Pulse Opinion Research | October 14–15, 2011 | Barack Obama | 41% | Herman Cain | 43% | 2 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | October 12–13, 2011 | Barack Obama | 49% | Newt Gingrich | 34% | 15 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | October 10–11, 2011 | Barack Obama | 49% | Rick Perry | 35% | 14 | 1000 LV | ±3% |
| Time/Abt SRBI | October 9–10, 2011 | Hillary Clinton | 55% | Mitt Romney | 38% | 17 | 838 LV | Not reported |
| Time/Abt SRBI | October 9–10, 2011 | Hillary Clinton | 58% | Rick Perry | 32% | 26 | 838 LV | Not reported |
| Time/Abt SRBI | October 9–10, 2011 | Hillary Clinton | 56% | Herman Cain | 34% | 22 | 838 LV | Not reported |
| Time/Abt SRBI | October 9–10, 2011 | Barack Obama | 48% | Mitt Romney | 44% | 4 | 838 LV | Not reported |
| Time/Abt SRBI | October 9–10, 2011 | Barack Obama | 51% | Rick Perry | 40% | 9 | 838 LV | Not reported |
| Time/Abt SRBI | October 9–10, 2011 | Barack Obama | 50% | Herman Cain | 38% | 12 | 838 LV | Not reported |
| Public Policy Polling | October 7–10, 2011 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 700 RV | ±3.7% |
| Public Policy Polling | October 7–10, 2011 | Barack Obama | 48% | Herman Cain | 42% | 6 | 700 RV | ±3.7% |
| Public Policy Polling | October 7–10, 2011 | Barack Obama | 47% | Ron Paul | 39% | 8 | 700 RV | ±3.7% |
| Public Policy Polling | October 7–10, 2011 | Barack Obama | 49% | Rick Perry | 40% | 9 | 700 RV | ±3.7% |
| Public Policy Polling | October 7–10, 2011 | Barack Obama | 50% | Newt Gingrich | 39% | 11 | 700 RV | ±3.7% |
| Public Policy Polling | October 7–10, 2011 | Barack Obama | 50% | Michele Bachmann | 38% | 12 | 700 RV | ±3.7% |
| NBC News/Wall Street Journal | October 6–10, 2011 | Barack Obama | 46% | Mitt Romney | 44% | 2 | Not reported | Not reported |
| NBC News/Wall Street Journal | October 6–10, 2011 | Barack Obama | 49% | Herman Cain | 38% | 11 | Not reported | Not reported |
| NBC News/Wall Street Journal | October 6–10, 2011 | Barack Obama | 51% | Rick Perry | 39% | 12 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research | October 8–9, 2011 | Barack Obama | 43% | Mitt Romney | 41% | 2 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | October 6–7, 2011 | Barack Obama | 42% | Herman Cain | 39% | 3 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | October 4–5, 2011 | Barack Obama | 42% | Gary Johnson | 27% | 15 | 1000 LV | ±3% |
| Pew Research Center | September 22 – October 4, 2011 | Barack Obama | 48% | Mitt Romney | 48% | Tied | 1901 RV | ±3.0% |
| Pew Research Center | September 22 – October 4, 2011 | Barack Obama | 50% | Rick Perry | 46% | 4 | 1901 RV | ±3.0% |
| Quinnipiac University | September 27 – October 3, 2011 | Barack Obama | 42% | Mitt Romney | 46% | 4 | 2118 RV | ±2.1% |
| Quinnipiac University | September 27 – October 3, 2011 | Barack Obama | 42% | Chris Christie | 45% | 3 | 2118 RV | ±2.1% |
| Quinnipiac University | September 27 – October 3, 2011 | Barack Obama | 45% | Rick Perry | 44% | 1 | 2118 RV | ±2.1% |
| Rasmussen Reports/Pulse Opinion Research | October 2–3, 2011 | Barack Obama | 45% | Rick Santorum | 34% | 11 | 1000 LV | ±3% |
| ABC News/Washington Post | September 29 – October 2, 2011 | Barack Obama | 46% | Mitt Romney | 48% | 2 | Not reported | Not reported |
| ABC News/Washington Post | September 29 – October 2, 2011 | Barack Obama | 45% | Chris Christie | 45% | Tied | Not reported | Not reported |
| ABC News/Washington Post | September 29 – October 2, 2011 | Barack Obama | 49% | Rick Perry | 46% | 3 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research | September 30 – October 1, 2011 | Barack Obama | 43% | Rick Perry | 37% | 6 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | September 28–29, 2011 | Barack Obama | 44% | Mitt Romney | 42% | 2 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | September 26–27, 2011 | Barack Obama | 45% | Rick Perry | 38% | 5 | 1000 LV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | September 25–27, 2011 | Barack Obama | 45% | Mitt Romney | 42% | 3 | 925 RV | ±3% |
| Fox News/Anderson Robbins/Shaw & Company | September 25–27, 2011 | Barack Obama | 47% | Rick Perry | 39% | 8 | 925 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | September 24–25, 2011 | Barack Obama | 44% | Ron Paul | 34% | 10 | 1000 LV | ±3% |
| CNN/Opinion Research Corporation | September 23–25, 2011 | Barack Obama | 49% | Mitt Romney | 48% | 1 | 917 RV | ±3% |
| CNN/Opinion Research Corporation | September 23–25, 2011 | Barack Obama | 51% | Ron Paul | 47% | 4 | 917 RV | ±3% |
| CNN/Opinion Research Corporation | September 23–25, 2011 | Barack Obama | 51% | Rick Perry | 46% | 5 | 917 RV | ±3% |
| CNN/Opinion Research Corporation | September 23–25, 2011 | Barack Obama | 54% | Michele Bachmann | 42% | 8 | 917 RV | ±3% |
| CNN/Opinion Research Corporation | September 23–25, 2011 | Barack Obama | 58% | Sarah Palin | 37% | 21 | 917 RV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | September 20–21, 2011 | Barack Obama | 48% | Michele Bachmann | 32% | 16 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | September 18–19, 2011 | Barack Obama | 44% | Mitt Romney | 41% | 3 | 1000 LV | ±3% |
| Harris Interactive | September 12–19, 2011 | Barack Obama | 47% | Mitt Romney | 53% | 6 | 2462 A | Not reported |
| Harris Interactive | September 12–19, 2011 | Barack Obama | 49% | Ron Paul | 51% | 2 | 2462 A | Not reported |
| Harris Interactive | September 12–19, 2011 | Barack Obama | 51% | Rick Perry | 49% | 2 | 2462 A | Not reported |
| Harris Interactive | September 12–19, 2011 | Barack Obama | 54% | Herman Cain | 46% | 8 | 2462 A | Not reported |
| Harris Interactive | September 12–19, 2011 | Barack Obama | 54% | Michele Bachmann | 46% | 8 | 2462 A | Not reported |
| Harris Interactive | September 12–19, 2011 | Barack Obama | 54% | Jon Huntsman | 46% | 8 | 2462 A | Not reported |
| Harris Interactive | September 12–19, 2011 | Barack Obama | 54% | Rick Santorum | 46% | 8 | 2462 A | Not reported |
| Harris Interactive | September 12–19, 2011 | Barack Obama | 55% | Newt Gingrich | 45% | 10 | 2462 A | Not reported |
| Harris Interactive | September 12–19, 2011 | Barack Obama | 57% | Sarah Palin | 43% | 14 | 2462 A | Not reported |
| USA Today/Gallup | September 15–18, 2011 | Barack Obama | 47% | Mitt Romney | 49% | 2 | 889 RV | ±4% |
| USA Today/Gallup | September 15–18, 2011 | Barack Obama | 50% | Rick Perry | 45% | 5 | 889 RV | ±4% |
| Rasmussen Reports/Pulse Opinion Research | September 16–17, 2011 | Barack Obama | 43% | Jon Huntsman | 35% | 8 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | September 14–15, 2011 | Barack Obama | 46% | Rick Perry | 39% | 7 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | September 14–15, 2011 | Barack Obama | 46% | Michele Bachmann | 33% | 13 | 1000 LV | ±3% |
| McClatchy/Marist College | September 13–14, 2011 | Barack Obama | 46% | Mitt Romney | 44% | 2 | 825 RV | ±3.5% |
| McClatchy/Marist College | September 13–14, 2011 | Barack Obama | 49% | Sarah Palin | 44% | 5 | 825 RV | ±3.5% |
| McClatchy/Marist College | September 13–14, 2011 | Barack Obama | 50% | Rick Perry | 41% | 9 | 825 RV | ±3.5% |
| McClatchy/Marist College | September 13–14, 2011 | Barack Obama | 53% | Michele Bachmann | 40% | 13 | 825 RV | ±3.5% |
| Bloomberg News/Selzer & Co. | September 9–12, 2011 | Barack Obama | 48% | Mitt Romney | 43% | 5 | 997 A | ±3.1% |
| Bloomberg News/Selzer & Co. | September 9–12, 2011 | Barack Obama | 49% | Rick Perry | 40% | 9 | 997 A | ±3.1% |
| Reuters/Ipsos | September 8–12, 2011 | Barack Obama | 49% | Mitt Romney | 43% | 6 | 932 RV | ±3.1% |
| Reuters/Ipsos | September 8–12, 2011 | Barack Obama | 49% | Ron Paul | 42% | 7 | 932 RV | ±3.1% |
| Reuters/Ipsos | September 8–12, 2011 | Barack Obama | 50% | Rick Perry | 42% | 8 | 932 RV | ±3.1% |
| Reuters/Ipsos | September 8–12, 2011 | Barack Obama | 51% | Jon Huntsman | 37% | 14 | 932 RV | ±3.1% |
| Reuters/Ipsos | September 8–12, 2011 | Barack Obama | 54% | Michele Bachmann | 36% | 18 | 932 RV | ±3.1% |
| Rasmussen Reports/Pulse Opinion Research | September 10–11, 2011 | Barack Obama | 40% | Mitt Romney | 43% | 3 | 1000 LV | ±3.8% |
| Public Policy Polling | September 8–11, 2011 | Barack Obama | 49% | Mitt Romney | 45% | 4 | 665 RV | ±3.8% |
| Public Policy Polling | September 8–11, 2011 | Barack Obama | 52% | Rick Perry | 41% | 11 | 665 RV | ±3.8% |
| Public Policy Polling | September 8–11, 2011 | Barack Obama | 53% | Newt Gingrich | 41% | 12 | 665 RV | ±3.8% |
| Public Policy Polling | September 8–11, 2011 | Barack Obama | 53% | Michele Bachmann | 39% | 14 | 665 RV | ±3.8% |
| ABC News/Washington Post | August 29 – September 1, 2011 | Barack Obama | 45% | Mitt Romney | 49% | 4 | Not reported | Not reported |
| ABC News/Washington Post | August 29 – September 1, 2011 | Barack Obama | 46% | Rick Perry | 47% | 1 | Not reported | Not reported |
| ABC News/Washington Post | August 29 – September 1, 2011 | Barack Obama | 47% | Jon Huntsman | 42% | 5 | Not reported | Not reported |
| ABC News/Washington Post | August 29 – September 1, 2011 | Barack Obama | 50% | Michele Bachmann | 44% | 6 | Not reported | Not reported |
| ABC News/Washington Post | August 29 – September 1, 2011 | Barack Obama | 53% | Sarah Palin | 41% | 12 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research | August 23–30, 2011 | Barack Obama | 41% | Rick Perry | 44% | 3 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | August 23–30, 2011 | Barack Obama | 43% | Mitt Romney | 39% | 4 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | August 23–30, 2011 | Barack Obama | 42% | Herman Cain | 35% | 7 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | August 23–30, 2011 | Barack Obama | 46% | Michele Bachmann | 38% | 8 | 1000 LV | ±3% |
| Quinnipiac University | August 16–27, 2011 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 2730 RV | ±1.9% |
| Quinnipiac University | August 16–27, 2011 | Barack Obama | 45% | Rick Perry | 42% | 3 | 2730 RV | ±1.9% |
| Quinnipiac University | August 16–27, 2011 | Barack Obama | 48% | Michele Bachmann | 39% | 9 | 2730 RV | ±1.9% |
| Quinnipiac University | August 16–27, 2011 | Barack Obama | 51% | Sarah Palin | 37% | 14 | 2730 RV | ±1.9% |
| Rasmussen Reports/Pulse Opinion Research | August 17–22, 2011 | Barack Obama | 43% | Rick Perry | 40% | 3 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | August 17–22, 2011 | Barack Obama | 43% | Michele Bachmann | 39% | 4 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | August 17–22, 2011 | Barack Obama | 46% | Mitt Romney | 38% | 8 | 1000 LV | ±3% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 700 RV | ±3.7% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 49% | Rick Perry | 43% | 6 | 700 RV | ±3.7% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 50% | Michele Bachmann | 42% | 8 | 700 RV | ±3.7% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 49% | Herman Cain | 39% | 10 | 700 RV | ±3.7% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 53% | Sarah Palin | 40% | 13 | 700 RV | ±3.7% |
| Gallup | August 17–18, 2011 | Barack Obama | 46% | Mitt Romney | 48% | 2 | 874 RV | ±4% |
| Gallup | August 17–18, 2011 | Barack Obama | 47% | Rick Perry | 47% | Tied | 874 RV | ±4% |
| Gallup | August 17–18, 2011 | Barack Obama | 47% | Ron Paul | 45% | 2 | 874 RV | ±4% |
| Gallup | August 17–18, 2011 | Barack Obama | 48% | Michele Bachmann | 44% | 4 | 874 RV | ±4% |
| Rasmussen Reports/Pulse Opinion Research | August 15–16, 2011 | Barack Obama | 39% | Ron Paul | 38% | 1 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | August 15–16, 2011 | Barack Obama | 50% | Sarah Palin | 33% | 17 | 1000 LV | ±3% |
| CNN/Opinion Research Corporation | August 5–7, 2011 | Barack Obama | 45% | Rudy Giuliani | 51% | 6 | 930 RV | ±3% |
| CNN/Opinion Research Corporation | August 5–7, 2011 | Barack Obama | 49% | Mitt Romney | 48% | 1 | 930 RV | ±3% |
| CNN/Opinion Research Corporation | August 5–7, 2011 | Barack Obama | 51% | Rick Perry | 46% | 5 | 930 RV | ±3% |
| CNN/Opinion Research Corporation | August 5–7, 2011 | Barack Obama | 51% | Michele Bachmann | 45% | 6 | 930 RV | ±3% |
| CNN/Opinion Research Corporation | August 5–7, 2011 | Barack Obama | 55% | Sarah Palin | 41% | 14 | 930 RV | ±3% |
| McClatchy/Marist College | August 2–4, 2011 | Barack Obama | 48% | Rudy Giuliani | 43% | 5 | 807 RV | ±3.2% |
| McClatchy/Marist College | August 2–4, 2011 | Barack Obama | 46% | Mitt Romney | 41% | 5 | 807 RV | ±3.2% |
| McClatchy/Marist College | August 2–4, 2011 | Barack Obama | 49% | Tim Pawlenty | 36% | 13 | 807 RV | ±3.2% |
| McClatchy/Marist College | August 2–4, 2011 | Barack Obama | 52% | Michele Bachmann | 35% | 17 | 807 RV | ±3.2% |
| McClatchy/Marist College | August 2–4, 2011 | Barack Obama | 52% | Rick Perry | 33% | 19 | 807 RV | ±3.2% |
| Public Policy Polling | July 15–17, 2011 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 928 RV | ±3.2% |
| Public Policy Polling | July 15–17, 2011 | Barack Obama | 48% | Michele Bachmann | 41% | 7 | 928 RV | ±3.2% |
| Public Policy Polling | July 15–17, 2011 | Barack Obama | 48% | Tim Pawlenty | 39% | 9 | 928 RV | ±3.2% |
| Public Policy Polling | July 15–17, 2011 | Barack Obama | 48% | Herman Cain | 36% | 12 | 928 RV | ±3.2% |
| Public Policy Polling | July 15–17, 2011 | Barack Obama | 53% | Sarah Palin | 37% | 16 | 928 RV | ±3.2% |
| ABC News/Washington Post | July 14–17, 2011 | Barack Obama | 49% | Mitt Romney | 47% | 2 | Not reported | Not reported |
| ABC News/Washington Post | July 14–17, 2011 | Barack Obama | 52% | Ron Paul | 42% | 10 | Not reported | Not reported |
| ABC News/Washington Post | July 14–17, 2011 | Barack Obama | 52% | Rick Perry | 40% | 13 | Not reported | Not reported |
| ABC News/Washington Post | July 14–17, 2011 | Barack Obama | 55% | Michele Bachmann | 40% | 15 | Not reported | Not reported |
| NBC News/Wall Street Journal | July 14–17, 2011 | Barack Obama | 48% | Mitt Romney | 41% | 7 | Not reported | Not reported |
| NBC News/Wall Street Journal | July 14–17, 2011 | Barack Obama | 50% | Michele Bachmann | 35% | 15 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 42% | Mitt Romney | 43% | 1 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 41% | Ron Paul | 37% | 4 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 44% | Rudy Giuliani | 39% | 5 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 44% | Rick Perry | 39% | 5 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 46% | Michele Bachmann | 39% | 7 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 44% | Chris Christie | 37% | 7 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 47% | Sarah Palin | 38% | 9 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 44% | Tim Pawlenty | 32% | 12 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 45% | Rick Santorum | 31% | 14 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 44% | Jon Huntsman | 28% | 16 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 48% | Newt Gingrich | 30% | 18 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | June 24 – July 17, 2011 | Barack Obama | 49% | Herman Cain | 28% | 21 | 1000 LV | ±3% |
| Quinnipiac University | July 5–11, 2011 | Barack Obama | 47% | Mitt Romney | 41% | 6 | 2311 RV | ±2% |
| Quinnipiac University | July 5–11, 2011 | Barack Obama | 50% | Michele Bachmann | 38% | 12 | 2311 RV | ±2% |
| Quinnipiac University | July 5–11, 2011 | Barack Obama | 50% | Rick Perry | 37% | 13 | 2311 RV | ±2% |
| Quinnipiac University | July 5–11, 2011 | Barack Obama | 53% | Sarah Palin | 34% | 19 | 2311 RV | ±2% |
| McClatchy/Marist College | June 15–23, 2011 | Barack Obama | 46% | Mitt Romney | 42% | 4 | 801 RV | ±3.5% |
| McClatchy/Marist College | June 15–23, 2011 | Barack Obama | 47% | Tim Pawlenty | 33% | 14 | 801 RV | ±3.5% |
| McClatchy/Marist College | June 15–23, 2011 | Barack Obama | 49% | Michele Bachmann | 37% | 12 | 801 RV | ±3.5% |
| McClatchy/Marist College | June 15–23, 2011 | Barack Obama | 48% | Rick Perry | 39% | 9 | 801 RV | ±3.5% |
| McClatchy/Marist College | June 15–23, 2011 | Barack Obama | 48% | Rudy Giuliani | 41% | 7 | 801 RV | ±3.5% |
| McClatchy/Marist College | June 15–23, 2011 | Barack Obama | 47% | Sarah Palin | 30% | 17 | 801 RV | ±3.5% |
| NBC News/Wall Street Journal | June 9–13, 2011 | Barack Obama | 49% | Mitt Romney | 43% | 6 | Not reported | Not reported |
| NBC News/Wall Street Journal | June 9–13, 2011 | Barack Obama | 50% | Tim Pawlenty | 37% | 13 | Not reported | Not reported |
| Public Policy Polling | June 9–12, 2011 | Barack Obama | 47% | Mitt Romney | 45% | 2 | 520 RV | ±4.3% |
| Public Policy Polling | June 9–12, 2011 | Barack Obama | 50% | Tim Pawlenty | 39% | 11 | 520 RV | ±4.3% |
| Public Policy Polling | June 9–12, 2011 | Barack Obama | 52% | Sarah Palin | 38% | 14 | 520 RV | ±4.3% |
| Public Policy Polling | June 9–12, 2011 | Barack Obama | 52% | Newt Gingrich | 39% | 13 | 520 RV | ±4.3% |
| Public Policy Polling | June 9–12, 2011 | Barack Obama | 48% | Herman Cain | 38% | 10 | 520 RV | ±4.3% |
| Fox News/Opinion Dynamics Corporation | June 5–7, 2011 | Barack Obama | 48% | Mitt Romney | 41% | 7 | 912 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | June 5–7, 2011 | Barack Obama | 50% | Tim Pawlenty | 32% | 19 | 912 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | June 5–7, 2011 | Barack Obama | 47% | Rudy Giuliani | 43% | 4 | 912 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | June 5–7, 2011 | Barack Obama | 56% | Sarah Palin | 35% | 21 | 912 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | June 5–7, 2011 | Barack Obama | 53% | Newt Gingrich | 34% | 19 | 912 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | June 5–7, 2011 | Barack Obama | 49% | Chris Christie | 34% | 15 | 912 RV | ±3% |
| Reuters/Ipsos | June 3–6, 2011 | Barack Obama | 51% | Mitt Romney | 38% | 13 | 1132 A | ±3% |
| Reuters/Ipsos | June 3–6, 2011 | Barack Obama | 53% | Tim Pawlenty | 34% | 19 | 1132 A | ±3% |
| Reuters/Ipsos | June 3–6, 2011 | Barack Obama | 52% | Jon Huntsman | 34% | 18 | 1132 A | ±3% |
| Reuters/Ipsos | June 3–6, 2011 | Barack Obama | 57% | Sarah Palin | 34% | 23 | 1132 A | ±3% |
| Reuters/Ipsos | June 3–6, 2011 | Barack Obama | 55% | Newt Gingrich | 34% | 21 | 1132 A | ±3% |
| Reuters/Ipsos | June 3–6, 2011 | Barack Obama | 53% | Michele Bachmann | 33% | 20 | 1132 A | ±3% |
| Reuters/Ipsos | June 3–6, 2011 | Barack Obama | 54% | Ron Paul | 36% | 18 | 1132 A | ±3% |
| Reuters/Ipsos | June 3–6, 2011 | Barack Obama | 54% | Rick Perry | 34% | 20 | 1132 A | ±3% |
| Reuters/Ipsos | June 3–6, 2011 | Barack Obama | 53% | Herman Cain | 34% | 19 | 1132 A | ±3% |
| Quinnipiac University | May 31 – June 6, 2011 | Barack Obama | 48% | Jon Huntsman | 34% | 14 | 1946 RV | ±2.2% |
| Quinnipiac University | May 31 – June 6, 2011 | Barack Obama | 48% | Tim Pawlenty | 36% | 12 | 1946 RV | ±2.2% |
| Quinnipiac University | May 31 – June 6, 2011 | Barack Obama | 47% | Mitt Romney | 41% | 6 | 1946 RV | ±2.2% |
| Quinnipiac University | May 31 – June 6, 2011 | Barack Obama | 53% | Sarah Palin | 36% | 17 | 1946 RV | ±2.2% |
| ABC News/Washington Post | June 2–5, 2011 | Barack Obama | 46% | Mitt Romney | 49% | 3 | 874 RV | ±4% |
| ABC News/Washington Post | June 2–5, 2011 | Barack Obama | 50% | Newt Gingrich | 44% | 6 | 874 RV | ±4% |
| ABC News/Washington Post | June 2–5, 2011 | Barack Obama | 50% | Jon Huntsman | 40% | 10 | 874 RV | ±4% |
| ABC News/Washington Post | June 2–5, 2011 | Barack Obama | 50% | Tim Pawlenty | 41% | 9 | 874 RV | ±4% |
| ABC News/Washington Post | June 2–5, 2011 | Barack Obama | 51% | Michele Bachmann | 40% | 11 | 874 RV | ±4% |
| ABC News/Washington Post | June 2–5, 2011 | Barack Obama | 55% | Sarah Palin | 40% | 15 | 874 RV | ±4% |
| Public Policy Polling | May 23–25, 2011 | Barack Obama | 51% | Newt Gingrich | 37% | 14 | 600 RV | ±4% |
| Public Policy Polling | May 23–25, 2011 | Barack Obama | 54% | Sarah Palin | 37% | 17 | 600 RV | ±4% |
| Public Policy Polling | May 23–25, 2011 | Barack Obama | 49% | Mitt Romney | 42% | 7 | 600 RV | ±4% |
| The Economist/YouGov | May 14–17, 2011 | Barack Obama | 45% | Mitt Romney | 42% | 3 | 1000 A | ±3.7% |
| The Economist/YouGov | May 14–17, 2011 | Barack Obama | 48% | Ron Paul | 36% | 12 | 1000 A | ±3.7% |
| The Economist/YouGov | May 14–17, 2011 | Barack Obama | 51% | Newt Gingrich | 35% | 16 | 1000 A | ±3.7% |
| Suffolk University | May 10–17, 2011 | Barack Obama | 46% | Mitt Romney | 43% | 3 | 1070 LV | ±3% |
| Suffolk University | May 10–17, 2011 | Barack Obama | 47% | Tim Pawlenty | 31% | 16 | 1070 LV | ±3% |
| Suffolk University | May 10–17, 2011 | Barack Obama | 50% | Michele Bachmann | 30% | 20 | 1070 LV | ±3% |
| Suffolk University | May 10–17, 2011 | Barack Obama | 52% | Newt Gingrich | 38% | 14 | 1070 LV | ±3% |
| Suffolk University | May 10–17, 2011 | Barack Obama | 48% | Mitch Daniels | 30% | 18 | 1070 LV | ±3% |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 59% | Donald Trump | 41% | 18 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 59% | Jon Huntsman | 41% | 18 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 59% | Herman Cain | 41% | 18 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 58% | Sarah Palin | 42% | 16 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 58% | Tim Pawlenty | 42% | 16 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 58% | Michele Bachmann | 42% | 16 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 57% | Rick Santorum | 43% | 14 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 57% | Gary Johnson | 43% | 14 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 57% | Mitch Daniels | 43% | 14 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 56% | Newt Gingrich | 44% | 12 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 55% | Ron Paul | 45% | 10 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 52% | Mike Huckabee | 48% | 4 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 51% | Mitt Romney | 49% | 2 | 2184 A | Not reported |
| Harris Interactive | May 9–16, 2011 | Barack Obama | 49% | Rudy Giuliani | 51% | 2 | 2184 A | Not reported |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | May 8–12, 2011 | Barack Obama | 52% | Mitt Romney | 40% | 12 | 1000 LV | ±3.1% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | May 8–12, 2011 | Barack Obama | 52% | Tim Pawlenty | 38% | 14 | 1000 LV | ±3.1% |
| Reuters/Ipsos | May 5–9, 2011 | Barack Obama | 48% | Mitt Romney | 40% | 8 | 876 RV | ±3.5% |
| Reuters/Ipsos | May 5–9, 2011 | Barack Obama | 51% | Tim Pawlenty | 33% | 18 | 600 A | Not reported |
| Reuters/Ipsos | May 5–9, 2011 | Barack Obama | 51% | Jon Huntsman | 30% | 21 | 600 A | Not reported |
| Reuters/Ipsos | May 5–9, 2011 | Barack Obama | 51% | Mike Huckabee | 39% | 12 | 600 A | Not reported |
| Reuters/Ipsos | May 5–9, 2011 | Barack Obama | 54% | Sarah Palin | 35% | 19 | 600 A | Not reported |
| Reuters/Ipsos | May 5–9, 2011 | Barack Obama | 51% | Mitch Daniels | 33% | 18 | 600 A | Not reported |
| Reuters/Ipsos | May 5–9, 2011 | Barack Obama | 53% | Newt Gingrich | 35% | 18 | 600 A | Not reported |
| Reuters/Ipsos | May 5–9, 2011 | Barack Obama | 54% | Michele Bachmann | 33% | 19 | 600 A | Not reported |
| Reuters/Ipsos | May 5–9, 2011 | Barack Obama | 57% | Donald Trump | 30% | 27 | 600 A | Not reported |
| Public Policy Polling | May 5–8, 2011 | Barack Obama | 49% | Mike Huckabee | 42% | 7 | 814 RV | ±3.4% |
| Public Policy Polling | May 5–8, 2011 | Barack Obama | 54% | Sarah Palin | 37% | 17 | 814 RV | ±3.4% |
| Public Policy Polling | May 5–8, 2011 | Barack Obama | 52% | Newt Gingrich | 38% | 14 | 814 RV | ±3.4% |
| Public Policy Polling | May 5–8, 2011 | Barack Obama | 47% | Mitt Romney | 42% | 5 | 814 RV | ±3.4% |
| Public Policy Polling | May 5–8, 2011 | Barack Obama | 48% | Mitch Daniels | 34% | 14 | 814 RV | ±3.4% |
| Public Policy Polling | May 5–8, 2011 | Barack Obama | 52% | Michele Bachmann | 38% | 14 | 814 RV | ±3.4% |
| Public Policy Polling | May 5–8, 2011 | Dennis Kucinich | 43% | Sarah Palin | 36% | 7 | 814 RV | ±3.4% |
| Public Policy Polling | May 5–8, 2011 | Dennis Kucinich | 40% | Donald Trump | 36% | 4 | 814 RV | ±3.4% |
| ABC News/Washington Post | April 14–17, 2011 | Barack Obama | 56% | Sarah Palin | 37% | 19 | Not reported | Not reported |
| ABC News/Washington Post | April 14–17, 2011 | Barack Obama | 54% | Newt Gingrich | 39% | 15 | Not reported | Not reported |
| ABC News/Washington Post | April 14–17, 2011 | Barack Obama | 49% | Mitt Romney | 45% | 4 | Not reported | Not reported |
| ABC News/Washington Post | April 14–17, 2011 | Barack Obama | 50% | Mike Huckabee | 44% | 6 | Not reported | Not reported |
| ABC News/Washington Post | April 14–17, 2011 | Barack Obama | 52% | Tim Pawlenty | 39% | 13 | Not reported | Not reported |
| ABC News/Washington Post | April 14–17, 2011 | Barack Obama | 52% | Donald Trump | 39% | 13 | Not reported | Not reported |
| ABC News/Washington Post | April 14–17, 2011 | Barack Obama | 52% | Michele Bachmann | 38% | 14 | Not reported | Not reported |
| Rasmussen Reports/Pulse Opinion Research | March 6–31, 2011 | Barack Obama | 43% | Mike Huckabee | 43% | Tied | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | March 6–31, 2011 | Barack Obama | 45% | Mitt Romney | 40% | 5 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | March 6–31, 2011 | Barack Obama | 42% | Haley Barbour | 34% | 8 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | March 6–31, 2011 | Barack Obama | 42% | Ron Paul | 34% | 8 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | March 6–31, 2011 | Barack Obama | 45% | Tim Pawlenty | 35% | 10 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | March 6–31, 2011 | Barack Obama | 48% | Sarah Palin | 38% | 10 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | March 6–31, 2011 | Barack Obama | 42% | Jon Huntsman | 31% | 11 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | March 6–31, 2011 | Barack Obama | 49% | Newt Gingrich | 37% | 12 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | March 6–31, 2011 | Barack Obama | 45% | Mitch Daniels | 32% | 13 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | March 6–31, 2011 | Barack Obama | 43% | Herman Cain | 25% | 18 | 1000 LV | ±3% |
| Newsweek/Daily Beast/Schoen Consulting | February 12–15, 2011 | Barack Obama | 46% | Mike Huckabee | 46% | Tied | 918 RV | ±3.5% |
| Newsweek/Daily Beast/Schoen Consulting | February 12–15, 2011 | Barack Obama | 49% | Mitt Romney | 47% | 2 | 918 RV | ±3.5% |
| Newsweek/Daily Beast/Schoen Consulting | February 12–15, 2011 | Barack Obama | 51% | Sarah Palin | 40% | 11 | 918 RV | ±3.5% |
| Newsweek/Daily Beast/Schoen Consulting | February 12–15, 2011 | Barack Obama | 43% | Donald Trump | 41% | 2 | 918 RV | ±3.5% |
| Public Policy Polling | February 11–14, 2011 | Barack Obama | 47% | Mike Huckabee | 44% | 3 | 600 RV | ±4.0% |
| Public Policy Polling | February 11–14, 2011 | Barack Obama | 52% | Sarah Palin | 40% | 12 | 600 RV | ±4.0% |
| Public Policy Polling | February 11–14, 2011 | Barack Obama | 49% | Newt Gingrich | 40% | 9 | 600 RV | ±4.0% |
| Public Policy Polling | February 11–14, 2011 | Barack Obama | 46% | Mitt Romney | 41% | 5 | 600 RV | ±4.0% |
| Public Policy Polling | February 11–14, 2011 | Barack Obama | 48% | Ron Paul | 39% | 9 | 600 RV | ±4.0% |
| Public Policy Polling | February 11–14, 2011 | Barack Obama | 48% | Donald Trump | 34% | 14 | 600 RV | ±4.0% |
| Public Policy Polling | February 11–14, 2011 | Barack Obama | 50% | Jeb Bush | 36% | 14 | 600 RV | ±4.0% |
| Public Policy Polling | February 11–14, 2011 | Barack Obama | 48% | George W. Bush | 44% | 4 | 600 RV | ±4.0% |
| Fox News/Opinion Dynamics Corporation | February 7–9, 2011 | Barack Obama | 48% | Mitt Romney | 41% | 7 | 911 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | February 7–9, 2011 | Barack Obama | 49% | Mike Huckabee | 41% | 8 | 911 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | February 7–9, 2011 | Barack Obama | 56% | Sarah Palin | 45% | 11 | 911 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | February 7–9, 2011 | Barack Obama | 55% | Newt Gingrich | 35% | 20 | 911 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | February 7–9, 2011 | Barack Obama | 54% | Jeb Bush | 34% | 20 | 911 RV | ±3% |
| Rasmussen Reports | January 31 – February 1, 2011 | Barack Obama | 43% | Jon Huntsman | 33% | 10 | Not reported | Not reported |
| Rasmussen Reports | January 29–30, 2011 | Barack Obama | 47% | Haley Barbour | 30% | 17 | Not reported | Not reported |
| Rasmussen Reports | January 27–28, 2011 | Barack Obama | 42% | Herman Cain | 25% | 17 | Not reported | Not reported |
| Rasmussen Reports | January 23–24, 2011 | Barack Obama | 45% | John Thune | 31% | 14 | Not reported | Not reported |
| Rasmussen Reports | January 21–22, 2011 | Barack Obama | 42% | Mitch Daniels | 25% | 19 | Not reported | Not reported |
| Rasmussen Reports | January 19–20, 2011 | Barack Obama | 47% | Tim Pawlenty | 32% | 15 | Not reported | Not reported |
| Rasmussen Reports | January 17–18, 2011 | Barack Obama | 44% | Ron Paul | 35% | 9 | Not reported | Not reported |
| Rasmussen Reports | January 15–16, 2011 | Barack Obama | 47% | Newt Gingrich | 39% | 8 | Not reported | Not reported |
| Rasmussen Reports | January 11–14, 2011 | Barack Obama | 43% | Mike Huckabee | 43% | Tied | Not reported | Not reported |
| Rasmussen Reports | January 7–10, 2011 | Barack Obama | 49% | Sarah Palin | 38% | 11 | Not reported | Not reported |
| Rasmussen Reports | January 3–4, 2011 | Barack Obama | 42% | Mitt Romney | 44% | 2 | Not reported | Not reported |
| McClatchy/Marist College | January 6–10, 2011 | Barack Obama | 51% | Mitt Romney | 38% | 13 | 827 RV | ±3.5% |
| McClatchy/Marist College | January 6–10, 2011 | Barack Obama | 50% | Mike Huckabee | 38% | 12 | 827 RV | ±3.5% |
| McClatchy/Marist College | January 6–10, 2011 | Barack Obama | 56% | Sarah Palin | 30% | 26 | 827 RV | ±3.5% |
| NBC News/Wall Street Journal | December 9–13, 2010 | Barack Obama | 47% | Mitt Romney | 40% | 7 | Not reported | Not reported |
| NBC News/Wall Street Journal | December 9–13, 2010 | Barack Obama | 55% | Sarah Palin | 33% | 22 | Not reported | Not reported |
| NBC News/Wall Street Journal | December 9–13, 2010 | Barack Obama | 47% | John Thune | 27% | 20 | Not reported | Not reported |
| McClatchy/Marist College | December 2–8, 2010 | Barack Obama | 44% | Mitt Romney | 46% | 2 | 873 RV | ±3.5% |
| McClatchy/Marist College | December 2–8, 2010 | Barack Obama | 47% | Mike Huckabee | 43% | 4 | 873 RV | ±3.5% |
| McClatchy/Marist College | December 2–8, 2010 | Barack Obama | 52% | Sarah Palin | 40% | 12 | 873 RV | ±3.5% |
| Public Policy Polling | November 19–21, 2010 | Barack Obama | 48% | Mike Huckabee | 45% | 3 | 707 RV | ±3.7% |
| Public Policy Polling | November 19–21, 2010 | Barack Obama | 51% | Sarah Palin | 42% | 9 | 707 RV | ±3.7% |
| Public Policy Polling | November 19–21, 2010 | Barack Obama | 49% | Newt Gingrich | 43% | 6 | 707 RV | ±3.7% |
| Public Policy Polling | November 19–21, 2010 | Barack Obama | 47% | Mitt Romney | 46% | 1 | 707 RV | ±3.7% |
| Public Policy Polling | November 19–21, 2010 | Barack Obama | 48% | Marco Rubio | 37% | 11 | 707 RV | ±3.7% |
| Politico/Qualcomm/Penn Schoen Berland | November 8–11, 2010 | Barack Obama | 46% | Sarah Palin | 33% | 13 | 1000 A | ±3.1% |
| Politico/Qualcomm/Penn Schoen Berland | November 8–11, 2010 | Barack Obama | 40% | Mitt Romney | 32% | 8 | 1000 A | ±3.1% |
| Politico/Qualcomm/Penn Schoen Berland | November 8–11, 2010 | Barack Obama | 39% | Tim Pawlenty | 21% | 18 | 1000 A | ±3.1% |
| Politico/Qualcomm/Penn Schoen Berland | November 8–11, 2010 | Barack Obama | 40% | Mike Huckabee | 34% | 6 | 1000 A | ±3.1% |
| Politico/Qualcomm/Penn Schoen Berland | November 8–11, 2010 | Barack Obama | 40% | Haley Barbour | 20% | 20 | 1000 A | ±3.1% |
| Barack Obama | 48% | Warren Buffett | 52% | 4 |
| Barack Obama | 53% | Donald Trump | 47% | 6 |
| Barack Obama | 53% | Alan Mulally | 47% | 6 |
| Barack Obama | 56% | Michael Bloomberg | 44% | 12 |
| Barack Obama | 55% | Glenn Beck | 45% | 10 |
| Barack Obama | 52% | Sarah Palin | 48% | 4 |
| Barack Obama | 56% | Lou Dobbs | 44% | 12 |
| Barack Obama | 58% | Rush Limbaugh | 42% | 16 |
| Barack Obama | 60% | Jay Leno | 40% | 20 |
| Barack Obama | 61% | Jon Stewart | 39% | 22 |
| Barack Obama | 63% | Oprah Winfrey | 37% | 26 |
| CNN/Opinion Research Corp. | October 27–30, 2010 | Barack Obama | 44% | Mike Huckabee | 52% | 8 | 921 RV | ±3% |
| CNN/Opinion Research Corp. | October 27–30, 2010 | Barack Obama | 45% | Mitt Romney | 50% | 5 | 921 RV | ±3% |
| CNN/Opinion Research Corp. | October 27–30, 2010 | Barack Obama | 49% | Newt Gingrich | 47% | 2 | 921 RV | ±3% |
| CNN/Opinion Research Corp. | October 27–30, 2010 | Barack Obama | 52% | Sarah Palin | 44% | 8 | 921 RV | ±3% |
| Bloomberg/Selzer & Co. | October 7–10, 2010 | Barack Obama | 51% | Sarah Palin | 35% | 16 | 721 RV | ±3.7% |
| Fox News/Opinion Dynamics Corporation | September 28–29, 2010 | Barack Obama | 41% | Mitt Romney | 40% | 1 | 900 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | September 28–29, 2010 | Barack Obama | 48% | Sarah Palin | 35% | 13 | 900 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | September 28–29, 2010 | Barack Obama | 43% | Mike Huckabee | 40% | 3 | 900 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | September 28–29, 2010 | Barack Obama | 45% | Jeb Bush | 37% | 8 | 900 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | September 28–29, 2010 | Barack Obama | 42% | Chris Christie | 30% | 12 | 900 RV | ±3% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | September 19–22, 2010 | Barack Obama | 50% | Sarah Palin | 40% | 10 | 1000 LV | ±3.1% |
| Politico/George Washington University/Tarrance Group/Lake Research Partners | September 19–22, 2010 | Barack Obama | 46% | Mitch Daniels | 39% | 7 | 1000 LV | ±3.1% |
| Public Policy Polling | September 10–13, 2010 | Barack Obama | 44% | Mike Huckabee | 47% | 3 | 590 RV | ±4.0% |
| Public Policy Polling | September 10–13, 2010 | Barack Obama | 49% | Sarah Palin | 43% | 6 | 590 RV | ±4.0% |
| Public Policy Polling | September 10–13, 2010 | Barack Obama | 47% | Newt Gingrich | 43% | 4 | 590 RV | ±4.0% |
| Public Policy Polling | September 10–13, 2010 | Barack Obama | 48% | Glenn Beck | 39% | 9 | 590 RV | ±4.0% |
| Public Policy Polling | September 10–13, 2010 | Barack Obama | 46% | Mitt Romney | 43% | 3 | 590 RV | ±4.0% |
| Politico/Qualcomm/Penn Schoen Berland | August 6–11, 2010 | Barack Obama | 50% | Sarah Palin | 33% | 17 | 1668 RV | ±2.4% |
| Politico/Qualcomm/Penn Schoen Berland | August 6–11, 2010 | Barack Obama | 42% | Mitt Romney | 33% | 9 | 1668 RV | ±2.4% |
| Politico/Qualcomm/Penn Schoen Berland | August 6–11, 2010 | Barack Obama | 42% | Tim Pawlenty | 23% | 19 | 1668 RV | ±2.4% |
| Politico/Qualcomm/Penn Schoen Berland | August 6–11, 2010 | Barack Obama | 43% | Mike Huckabee | 35% | 8 | 1668 RV | ±2.4% |
| Politico/Qualcomm/Penn Schoen Berland | August 6–11, 2010 | Barack Obama | 43% | Haley Barbour | 21% | 22 | 1668 RV | ±2.4% |
| Public Policy Polling | August 6–9, 2010 | Barack Obama | 47% | Mike Huckabee | 44% | 3 | 606 RV | ±4.0% |
| Public Policy Polling | August 6–9, 2010 | Barack Obama | 49% | Sarah Palin | 43% | 6 | 606 RV | ±4.0% |
| Public Policy Polling | August 6–9, 2010 | Barack Obama | 49% | Newt Gingrich | 42% | 7 | 606 RV | ±4.0% |
| Public Policy Polling | August 6–9, 2010 | Barack Obama | 47% | Chris Christie | 31% | 16 | 606 RV | ±4.0% |
| Public Policy Polling | August 6–9, 2010 | Barack Obama | 45% | Mitt Romney | 42% | 3 | 606 RV | ±4.0% |
| Public Policy Polling | August 6–9, 2010 | Barack Obama | 46% | Basil Marceaux | 21% | 25 | 606 RV | ±4.0% |
| The Economist/YouGov | July 17–20, 2010 | Barack Obama | 41.2% | Sarah Palin | 31.0% | 10.2 | 1000 A | ±3.5% |
| Zogby Interactive | July 16–19, 2010 | Barack Obama | 45% | Mitt Romney | 43% | 2 | 8487 LV | Not reported |
| Zogby Interactive | July 16–19, 2010 | Barack Obama | 48% | Sarah Palin | 37% | 11 | 8487 LV | Not reported |
| Zogby Interactive | July 16–19, 2010 | Barack Obama | 46% | Mike Huckabee | 37% | 9 | 8487 LV | Not reported |
| Zogby Interactive | July 16–19, 2010 | Barack Obama | 47% | George W. Bush | 38% | 9 | 8487 LV | Not reported |
| Zogby Interactive | July 16–19, 2010 | Barack Obama | 46% | Tom Selleck | 23% | 23 | 8487 LV | Not reported |
| Zogby Interactive | July 16–19, 2010 | Barack Obama | 45% | Clint Eastwood | 28% | 17 | 8487 LV | Not reported |
| Zogby Interactive | July 16–19, 2010 | Barack Obama | 45% | Chuck Norris | 29% | 16 | 8487 LV | Not reported |
| Politico/Qualcomm/Penn Schoen Berland | July 9–14, 2010 | Barack Obama | 48% | Sarah Palin | 36% | 12 | 1011 A | ±3.1% |
| Politico/Qualcomm/Penn Schoen Berland | July 9–14, 2010 | Barack Obama | 39% | Tim Pawlenty | 21% | 18 | 1011 A | ±3.1% |
| Politico/Qualcomm/Penn Schoen Berland | July 9–14, 2010 | Barack Obama | 39% | Haley Barbour | 21% | 18 | 1011 A | ±3.1% |
| Politico/Qualcomm/Penn Schoen Berland | July 9–14, 2010 | Barack Obama | 39% | Mike Huckabee | 35% | 4 | 1011 A | ±3.1% |
| Politico/Qualcomm/Penn Schoen Berland | July 9–14, 2010 | Barack Obama | 39% | Mitt Romney | 35% | 4 | 1011 A | ±3.1% |
| Public Policy Polling | July 9–12, 2010 | Barack Obama | 45% | Mike Huckabee | 47% | 2 | 667 RV | ±3.8% |
| Public Policy Polling | July 9–12, 2010 | Barack Obama | 46% | Sarah Palin | 46% | Tied | 667 RV | ±3.8% |
| Public Policy Polling | July 9–12, 2010 | Barack Obama | 45% | Newt Gingrich | 46% | 1 | 667 RV | ±3.8% |
| Public Policy Polling | July 9–12, 2010 | Barack Obama | 44% | Jan Brewer | 36% | 8 | 667 RV | ±3.8% |
| Public Policy Polling | July 9–12, 2010 | Barack Obama | 43% | Mitt Romney | 46% | 3 | 667 RV | ±3.8% |
| Time/Abt SRBI | July 12–13, 2010 | Barack Obama | 55% | Sarah Palin | 34% | 21 | 1003 A | Not reported |
| Public Policy Polling | June 4–7, 2010 | Barack Obama | 45% | Mitt Romney | 42% | 3 | 650 RV | ±3.8% |
| Public Policy Polling | June 4–7, 2010 | Barack Obama | 50% | Sarah Palin | 41% | 9 | 650 RV | ±3.8% |
| Public Policy Polling | June 4–7, 2010 | Barack Obama | 47% | Newt Gingrich | 39% | 8 | 650 RV | ±3.8% |
| Public Policy Polling | June 4–7, 2010 | Barack Obama | 46% | Mike Huckabee | 44% | 2 | 650 RV | ±3.8% |
| Public Policy Polling | June 4–7, 2010 | Barack Obama | 46% | Ron Paul | 36% | 10 | 650 RV | ±3.8% |
| Public Policy Polling | May 7–9, 2010 | Barack Obama | 46% | Mitt Romney | 44% | 2 | 707 RV | ±3.7% |
| Public Policy Polling | May 7–9, 2010 | Barack Obama | 50% | Sarah Palin | 43% | 7 | 707 RV | ±3.7% |
| Public Policy Polling | May 7–9, 2010 | Barack Obama | 49% | Newt Gingrich | 42% | 7 | 707 RV | ±3.7% |
| Public Policy Polling | May 7–9, 2010 | Barack Obama | 46% | Mike Huckabee | 45% | 1 | 707 RV | ±3.7% |
| Public Policy Polling | May 7–9, 2010 | Barack Obama | 46% | Gary Johnson | 28% | 18 | 707 RV | ±3.7% |
| Rasmussen Reports/Pulse Opinion Research | April 14, 2010 | Barack Obama | 42% | Ron Paul | 41% | 1 | 1000 LV | ±3% |
| CNN/Opinion Research Corporation | April 9–11, 2010 | Barack Obama | 53% | Mitt Romney | 45% | 8 | 907 RV | ±3.5% |
| CNN/Opinion Research Corporation | April 9–11, 2010 | Barack Obama | 54% | Mike Huckabee | 45% | 9 | 907 RV | ±3.5% |
| CNN/Opinion Research Corporation | April 9–11, 2010 | Barack Obama | 55% | Sarah Palin | 42% | 13 | 907 RV | ±3.5% |
| CNN/Opinion Research Corporation | April 9–11, 2010 | Barack Obama | 55% | Newt Gingrich | 43% | 12 | 907 RV | ±3.5% |
| Public Policy Polling | April 9–11, 2010 | Barack Obama | 45% | Mike Huckabee | 47% | 2 | 622 RV | ±3.9% |
| Public Policy Polling | April 9–11, 2010 | Barack Obama | 47% | Sarah Palin | 45% | 2 | 622 RV | ±3.9% |
| Public Policy Polling | April 9–11, 2010 | Barack Obama | 45% | Newt Gingrich | 45% | Tied | 622 RV | ±3.9% |
| Public Policy Polling | April 9–11, 2010 | Barack Obama | 44% | Mitt Romney | 45% | 1 | 622 RV | ±3.9% |
| Clarus Research Group | March 17–20, 2010 | Barack Obama | 45% | Mitt Romney | 41% | 4 | 1050 A | ±3% |
| Clarus Research Group | March 17–20, 2010 | Barack Obama | 52% | Sarah Palin | 34% | 18 | 1050 A | ±3% |
| Clarus Research Group | March 17–20, 2010 | Barack Obama | 48% | Newt Gingrich | 36% | 12 | 1050 A | ±3% |
| Clarus Research Group | March 17–20, 2010 | Barack Obama | 47% | Mike Huckabee | 39% | 8 | 1050 A | ±3% |
| Clarus Research Group | March 17–20, 2010 | Barack Obama | 49% | Jeb Bush | 37% | 12 | 1050 A | ±3% |
| Harris Interactive | March 10–12, 2010 | Barack Obama | 52% | Sarah Palin | 35% | 17 | 2344 RV | Not reported |
| Harris Interactive | March 10–12, 2010 | Barack Obama | 46% | Mitt Romney | 39% | 7 | 2344 RV | Not reported |
| Public Policy Polling | March 12–14, 2010 | Barack Obama | 46% | Mike Huckabee | 44% | 2 | 1403 RV | ±2.6% |
| Public Policy Polling | March 12–14, 2010 | Barack Obama | 49% | Sarah Palin | 41% | 8 | 1403 RV | ±2.6% |
| Public Policy Polling | March 12–14, 2010 | Barack Obama | 45% | Mitch Daniels | 34% | 11 | 1403 RV | ±2.6% |
| Public Policy Polling | March 12–14, 2010 | Barack Obama | 44% | Mitt Romney | 44% | Tied | 1403 RV | ±2.6% |
| Public Policy Polling | February 13–15, 2010 | Barack Obama | 46% | Mike Huckabee | 43% | 3 | 743 RV | ±3.6% |
| Public Policy Polling | February 13–15, 2010 | Barack Obama | 50% | Sarah Palin | 43% | 7 | 743 RV | ±3.6% |
| Public Policy Polling | February 13–15, 2010 | Barack Obama | 46% | John Thune | 28% | 18 | 743 RV | ±3.6% |
| Public Policy Polling | February 13–15, 2010 | Barack Obama | 45% | Mitt Romney | 43% | 2 | 743 RV | ±3.6% |
| Public Policy Polling | January 18–19, 2010 | Barack Obama | 44% | Mike Huckabee | 45% | 1 | 1151 RV | ±2.8% |
| Public Policy Polling | January 18–19, 2010 | Barack Obama | 49% | Sarah Palin | 41% | 8 | 1151 RV | ±2.8% |
| Public Policy Polling | January 18–19, 2010 | Barack Obama | 44% | David Petraeus | 34% | 10 | 1151 RV | ±2.8% |
| Public Policy Polling | January 18–19, 2010 | Barack Obama | 44% | Mitt Romney | 42% | 2 | 1151 RV | ±2.8% |
| Fox News/Opinion Dynamics Corporation | January 12–13, 2010 | Barack Obama | 47% | Mitt Romney | 35% | 12 | 900 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | January 12–13, 2010 | Barack Obama | 55% | Sarah Palin | 31% | 24 | 900 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | January 12–13, 2010 | Barack Obama | 53% | Newt Gingrich | 29% | 24 | 900 RV | ±3% |
| Public Policy Polling | December 4–7, 2009 | Barack Obama | 46% | Mike Huckabee | 45% | 1 | 1253 RV | ±2.8% |
| Public Policy Polling | December 4–7, 2009 | Barack Obama | 50% | Sarah Palin | 44% | 6 | 1253 RV | ±2.8% |
| Public Policy Polling | December 4–7, 2009 | Barack Obama | 48% | Tim Pawlenty | 35% | 13 | 1253 RV | ±2.8% |
| Public Policy Polling | December 4–7, 2009 | Barack Obama | 47% | Mitt Romney | 42% | 5 | 1253 RV | ±2.8% |
| Rasmussen Reports/Pulse Opinion Research | November 24, 2009 | Barack Obama | 45% | Mike Huckabee | 41% | 4 | 800 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 24, 2009 | Barack Obama | 46% | Sarah Palin | 43% | 3 | 800 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 24, 2009 | Barack Obama | 44% | Mitt Romney | 44% | Tied | 800 LV | ±3% |
| Public Policy Polling | November 13–15, 2009 | Barack Obama | 49% | Mike Huckabee | 44% | 5 | 1066 RV | ±3.0% |
| Public Policy Polling | November 13–15, 2009 | Barack Obama | 51% | Sarah Palin | 43% | 8 | 1066 RV | ±3.0% |
| Public Policy Polling | November 13–15, 2009 | Barack Obama | 46% | Ron Paul | 38% | 8 | 1066 RV | ±3.0% |
| Public Policy Polling | November 13–15, 2009 | Barack Obama | 48% | Mitt Romney | 43% | 5 | 1066 RV | ±3.0% |
| Public Policy Polling | October 16–19, 2009 | Barack Obama | 47% | Mike Huckabee | 43% | 4 | 766 RV | ±3.5% |
| Public Policy Polling | October 16–19, 2009 | Barack Obama | 52% | Sarah Palin | 40% | 12 | 766 RV | ±3.5% |
| Public Policy Polling | October 16–19, 2009 | Barack Obama | 50% | Tim Pawlenty | 30% | 20 | 766 RV | ±3.5% |
| Public Policy Polling | October 16–19, 2009 | Barack Obama | 48% | Mitt Romney | 40% | 8 | 766 RV | ±3.5% |
| Public Policy Polling | September 18–21, 2009 | Barack Obama | 50% | Jeb Bush | 37% | 13 | 621 RV | ±3.9% |
| Public Policy Polling | September 18–21, 2009 | Barack Obama | 48% | Mike Huckabee | 41% | 7 | 621 RV | ±3.9% |
| Public Policy Polling | September 18–21, 2009 | Barack Obama | 53% | Sarah Palin | 38% | 15 | 621 RV | ±3.9% |
| Public Policy Polling | September 18–21, 2009 | Barack Obama | 48% | Mitt Romney | 38% | 10 | 621 RV | ±3.9% |
| Clarus Research Group | August 14–18, 2009 | Barack Obama | 47% | Mitt Romney | 38% | 9 | 1003 A | ±3.1% |
| Clarus Research Group | August 14–18, 2009 | Barack Obama | 53% | Sarah Palin | 34% | 19 | 1003 A | ±3.1% |
| Clarus Research Group | August 14–18, 2009 | Barack Obama | 52% | Newt Gingrich | 34% | 18 | 1003 A | ±3.1% |
| Clarus Research Group | August 14–18, 2009 | Barack Obama | 48% | Mike Huckabee | 38% | 10 | 1003 A | ±3.1% |
| Public Policy Polling | August 14–17, 2009 | Barack Obama | 49% | Newt Gingrich | 41% | 8 | 909 RV | ±3.3% |
| Public Policy Polling | August 14–17, 2009 | Barack Obama | 47% | Mike Huckabee | 44% | 3 | 909 RV | ±3.3% |
| Public Policy Polling | August 14–17, 2009 | Barack Obama | 52% | Sarah Palin | 38% | 14 | 909 RV | ±3.3% |
| Public Policy Polling | August 14–17, 2009 | Barack Obama | 47% | Mitt Romney | 40% | 7 | 909 RV | ±3.3% |
| Marist College | August 3–6, 2009 | Barack Obama | 56% | Sarah Palin | 33% | 23 | 854 RV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research | July 30–31, 2009 | Hillary Clinton | 51% | Sarah Palin | 39% | 12 | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | July 18–19, 2009 | Barack Obama | 45% | Mitt Romney | 45% | Tied | 1000 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | July 18–19, 2009 | Barack Obama | 48% | Sarah Palin | 42% | 6 | 1000 LV | ±3% |
| Public Policy Polling | July 15–16, 2009 | Barack Obama | 50% | Newt Gingrich | 42% | 8 | 577 RV | ±4.1% |
| Public Policy Polling | July 15–16, 2009 | Barack Obama | 48% | Mike Huckabee | 42% | 6 | 577 RV | ±4.1% |
| Public Policy Polling | July 15–16, 2009 | Barack Obama | 51% | Sarah Palin | 43% | 8 | 577 RV | ±4.1% |
| Public Policy Polling | July 15–16, 2009 | Barack Obama | 49% | Mitt Romney | 40% | 9 | 577 RV | ±4.1% |
| Public Policy Polling | June 12–16, 2009 | Barack Obama | 49% | Newt Gingrich | 41% | 8 | 638 RV | ±3.9% |
| Public Policy Polling | June 12–16, 2009 | Barack Obama | 50% | Mike Huckabee | 43% | 7 | 638 RV | ±3.9% |
| Public Policy Polling | June 12–16, 2009 | Barack Obama | 52% | Sarah Palin | 40% | 12 | 638 RV | ±3.9% |
| Public Policy Polling | June 12–16, 2009 | Barack Obama | 48% | Mitt Romney | 40% | 8 | 638 RV | ±3.9% |
| Public Policy Polling | May 14–18, 2009 | Barack Obama | 53% | Newt Gingrich | 36% | 17 | 1000 RV | ±3.1% |
| Public Policy Polling | May 14–18, 2009 | Barack Obama | 52% | Mike Huckabee | 39% | 13 | 1000 RV | ±3.1% |
| Public Policy Polling | May 14–18, 2009 | Barack Obama | 56% | Sarah Palin | 37% | 19 | 1000 RV | ±3.1% |
| Public Policy Polling | May 14–18, 2009 | Barack Obama | 53% | Mitt Romney | 35% | 18 | 1000 RV | ±3.1% |
| Public Policy Polling | April 17–19, 2009 | Barack Obama | 52% | Newt Gingrich | 39% | 13 | 686 RV | ±3.7% |
| Public Policy Polling | April 17–19, 2009 | Barack Obama | 49% | Mike Huckabee | 42% | 7 | 686 RV | ±3.7% |
| Public Policy Polling | April 17–19, 2009 | Barack Obama | 53% | Sarah Palin | 41% | 12 | 686 RV | ±3.7% |
| Public Policy Polling | April 17–19, 2009 | Barack Obama | 50% | Mitt Romney | 39% | 11 | 686 RV | ±3.7% |
| Public Policy Polling | March 13–15, 2009 | Barack Obama | 55% | Sarah Palin | 35% | 20 | 691 RV | ±3.7% |
*RV means "registered voters"; LV means "likely voters"; A means "adults". Polls with a (D), (R), or (L) indicate that they were sponsored by partisan groups affiliated with a party.
Two-way race with Gary Johnson
| Poll source | Date | Democratic candidate | % | Libertarian candidate | % | Lead margin | Sample size | Margin of error |
| Libertarian Action/Pulse Opinion Research (L) | August 8, 2012 | Barack Obama | 45% | Gary Johnson | 24% | 21 | 1000 LV | ±3.0% |
Three-way race with Gary Johnson
| Poll source | Date | Democratic candidate | % | Republican candidate | % | Libertarian candidate | % | Lead margin | Sample size | Margin of error |
| JZ Analytics | July 10–13, 2012 | Barack Obama | 44% | Mitt Romney | 38% | Gary Johnson | 5% | 6 | 893 LV | ±3.3% |
| Investor's Business Daily/Christian Science Monitor/TIPP | June 25 – July 5, 2012 | Barack Obama | 43% | Mitt Romney | 42% | Gary Johnson | 2% | 1 | 825 RV | ±3.5% |
| Gallup | June 7–10, 2012 | Barack Obama | 47% | Mitt Romney | 40% | Gary Johnson | 3% | 7 | 899 RV | ±4% |
| Washington Times/JZ Analytics | May 11–12, 2012 | Barack Obama | 44% | Mitt Romney | 43% | Gary Johnson | 2% | 1 | 800 LV | ±3.5% |
| Public Policy Polling | April 12–15, 2012 | Barack Obama | 47% | Mitt Romney | 42% | Gary Johnson | 6% | 5 | 900 RV | ±3.3% |
| Public Policy Polling | March 15–17, 2012 | Barack Obama | 46% | Mitt Romney | 39% | Gary Johnson | 7% | 7 | 900 RV | ±3.3% |
| Public Policy Polling | February 9–12, 2012 | Barack Obama | 47% | Mitt Romney | 40% | Gary Johnson | 7% | 7 | 1200 RV | ±2.8% |
| Public Policy Polling | January 13–16, 2012 | Barack Obama | 47% | Mitt Romney | 40% | Gary Johnson | 7% | 7 | 700 RV | ±3.7% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 43% | Mitt Romney | 41% | Gary Johnson | 9% | 2 | 700 RV | ±3.7% |

#### Hypothetical three-way race

| Poll source | Date | Democratic candidate | % | Republican candidate | % | Third party/independent candidate | % | Lead margin | Sample size | Margin of error |
| Public Policy Polling | February 9–12, 2012 | Barack Obama | 47% | Mitt Romney | 42% | Roseanne Barr | 6% | 5 | 1200 RV | ±2.8% |
| NBC News/Wall Street Journal | January 22–24, 2012 | Barack Obama | 45% | Mitt Romney | 32% | Ron Paul | 18% | 13 | Not reported | Not reported |
| Public Policy Polling | January 13–16, 2012 | Barack Obama | 41% | Mitt Romney | 38% | Stephen Colbert | 13% | 3 | 700 RV | ±3.7% |
| Pew Research Center | January 11–16, 2012 | Barack Obama | 44% | Mitt Romney | 32% | Ron Paul | 18% | 12 | 1207 RV | ±3.5% |
| Fox News/Anderson Robbins/Shaw & Company | January 12–14, 2012 | Barack Obama | 42% | Mitt Romney | 35% | Ron Paul | 14% | 7 | 906 RV | ±3% |
| Democracy Corps/ Greenberg Quinlan Rosner (D) | January 8–11, 2012 | Barack Obama | 43% | Mitt Romney | 34% | Ron Paul | 18% | 9 | 1000 LV | ±3.5% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 42% | Mitt Romney | 37% | Ron Paul | 17% | 5 | 700 RV | ±3.7% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 43% | Mitt Romney | 41% | Michael Bloomberg | 8% | 2 | 700 RV | ±3.7% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 44% | Mitt Romney | 43% | Rocky Anderson | 4% | 1 | 700 RV | ±3.7% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 43% | Mitt Romney | 37% | Jon Huntsman, Jr. | 11% | 6 | 700 RV | ±3.7% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 45% | Mitt Romney | 31% | Donald Trump | 19% | 14 | 700 RV | ±3.7% |
| Public Policy Polling | December 16–18, 2011 | Barack Obama | 42% | Mitt Romney | 42% | Bernie Sanders | 7% | Tie | 700 RV | ±3.7% |
| ABC News/Washington Post | December 15–18, 2011 | Barack Obama | 44% | Mitt Romney | 32% | Ron Paul | 22% | 12 | Not reported | Not reported |
| ABC News/Washington Post | December 15–18, 2011 | Barack Obama | 44% | Newt Gingrich | 32% | Ron Paul | 22% | 12 | Not reported | Not reported |
| NBC News/Wall Street Journal | November 2–5, 2011 | Barack Obama | 44% | Mitt Romney | 32% | Ron Paul | 18% | 12 | Not reported | Not reported |
| NBC News/Wall Street Journal | November 2–5, 2011 | Barack Obama | 44% | Mitt Romney | 35% | Michael Bloomberg | 13% | 9 | Not reported | Not reported |
| Public Policy Polling | May 5–8, 2011 | Barack Obama | 46% | Mitt Romney | 33% | Donald Trump | 16% | 13 | 814 RV | ±3.4% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 42% | Mitt Romney | 42% | Michael Bloomberg | 10% | Tied | 700 RV | ±3.7% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 46% | Mitt Romney | 40% | Jon Huntsman | 7% | 6 | 700 RV | ±3.7% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 45% | Mitt Romney | 41% | Ralph Nader | 7% | 4 | 700 RV | ±3.7% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 47% | Mitt Romney | 26% | Sarah Palin | 21% | 21 | 700 RV | ±3.7% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 45% | Mitt Romney | 33% | Ron Paul | 15% | 12 | 700 RV | ±3.7% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 45% | Mitt Romney | 41% | Bernie Sanders | 5% | 4 | 700 RV | ±3.7% |
| Public Policy Polling | August 18–21, 2011 | Barack Obama | 46% | Mitt Romney | 30% | Donald Trump | 18% | 16 | 700 RV | ±3.7% |
| Newsweek/Daily Beast/Schoen Consulting | February 12–15, 2011 | Barack Obama | 44% | Mitt Romney | 38% | Donald Trump | 8% | 6 | 918 LV | ±3.5% |
| Newsweek/Daily Beast/Schoen Consulting | February 12–15, 2011 | Barack Obama | 44% | Sarah Palin | 21% | Donald Trump | 20% | 23 | 918 LV | ±3.5% |
| Clarus Research Group | December 10–16, 2010 | Barack Obama | 39% | Mitt Romney | 36% | Michael Bloomberg | 13% | 3 | 1000 RV | ±3.1% |
| Clarus Research Group | December 10–16, 2010 | Barack Obama | 42% | Sarah Palin | 31% | Michael Bloomberg | 18% | 11 | 1000 RV | ±3.1% |
| McClatchy/Marist College | September 30 – October 5, 2010 | Barack Obama | 44% | Sarah Palin | 29% | Michael Bloomberg | 18% | 15 | 829 RV | ±3.5% |
| Fox News/Opinion Dynamics Corporation | September 28–29, 2010 | Barack Obama | 40% | Sarah Palin | 28% | Michael Bloomberg | 18% | 12 | 900 RV | ±3% |
| Fox News/Opinion Dynamics Corporation | September 28–29, 2010 | Barack Obama | 30% | Sarah Palin | 29% | Hillary Clinton | 27% | 1 | 900 RV | ±3% |
| Public Policy Polling | August 6–9, 2010 | Barack Obama | 42% | Mitt Romney | 36% | Ron Paul | 13% | 6 | 606 RV | ±4% |
| Harris Interactive | March 10–12, 2010 | Barack Obama | 45% | Mitt Romney | 24% | Sarah Palin | 18% | 21 | 2344 A | Not reported |
| Marist College | February 1–3, 2010 | Barack Obama | 44% | Sarah Palin | 29% | Michael Bloomberg | 15% | 15 | 910 RV | ±3.5% |
| Rasmussen Reports/Pulse Opinion Research | November 24, 2009 | Barack Obama | 44% | Sarah Palin | 37% | Lou Dobbs | 12% | 7 | 800 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 24, 2009 | Barack Obama | 42% | Mike Huckabee | 36% | Lou Dobbs | 12% | 6 | 800 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | November 24, 2009 | Barack Obama | 42% | Mitt Romney | 34% | Lou Dobbs | 14% | 8 | 800 LV | ±3% |
| Rasmussen Reports/Pulse Opinion Research | July 18–19, 2009 | Barack Obama | 44% | Mitt Romney | 33% | Sarah Palin | 16% | 11 | 1000 LV | ±3% |

#### Five-way race

| Poll source | Date | Democratic candidate | % | Republican candidate | % | Third party or independent candidate | % | Third party or independent candidate | % | Third party or independent candidate | % | Lead margin | Sample size | Margin of error |
| Democracy Corps/ Greenberg Quinlan Rosner (D) | January 8–11, 2012 | Barack Obama | 42% | Mitt Romney | 30% | Ron Paul | 14% | Donald Trump | 7% | Michael Bloomberg | 4% | 12 | 1000 LV | ±3.5% |

## Democratic primary

President Barack Obama ran uncontested in most states for the 2012 Democratic presidential nomination.
Hypothetical polling
| Poll source | Date | Barack Obama | Hillary Clinton | Howard Dean | Bernie Sanders | Sample size | Margin of Error |
| Public Policy Polling (Vermont) | July 28–31, 2011 | 52% | | | 33% | 617 RV | ±3.9% |
| Public Policy Polling (Vermont) | July 28–31, 2011 | 61% | | 24% | | 617 RV | ±3.9% |
| Magellan Data and Mapping Strategies (New Hampshire) | December 14–15, 2010 | 59% | 28% | | | 1,002 RV | Not reported |
| Magellan Data and Mapping Strategies (New Hampshire) | December 14–15, 2010 | 78% | | 10% | | 1,002 RV | Not reported |
| Magellan Data and Mapping Strategies (New Hampshire) | December 14–15, 2010 | 79% | | | 8% | 1,002 RV | Not reported |
| Gallup (National) | September 25–26, 2010 | 52% | 37% | | | 859 RV | ±4% |

## Republican primary

See Nationwide opinion polling for the Republican Party 2012 presidential primaries