| Sample | Obama (D) | Johnson (L) | Romney (R) |
|---|
IA: Public Policy Polling
Nov 3-4, 2012 | 448.8 of 1122
Likely | 40% | 87% | | 13% |
IA: American Research Group
Nov 2-4, 2012 | 216 of 600
Likely | 36% | 90% | | 8% |
IA: YouGov
10/31-11/3/2012 | 295 of 1040
Likely | 28.37% | 93% | | 4% |
IA: Mellman Group, Americans United For Change
10/30-11/1/2012 | ≤600
Likely | 94% | | |
IA: Gravis Marketing
Nov 1, 2012 | 243.54 of 594
Likely | 41% | 84% | | 13% |
IA: Public Policy Polling, Health Care for America Now
Oct 29-30, 2012 | 263.64 of 676
Likely | 39% | 88% | | 11% |
IA: University of Iowa
Oct 18-27, 2012 | ≤320
Likely | 92.1% | | 3.1% |
IA: Public Policy Polling, Health Care for America Now
Oct 23-24, 2012 | 255.3 of 690
Likely | 37% | 87% | | 10% |
IA: Gravis Marketing
Oct 24, 2012 | 211.97 of 517
Likely | 41% | 94% | | 6% |
IA: Public Policy Polling
Oct 17-19, 2012 | 295.46 of 869
Likely | 34% | 86% | | 13% |
IA: Public Policy Polling, Health Care for America Now
Oct 18-19, 2012 | 270.6 of 660
Likely | 41% | 86% | | 13% |
IA: Marist Institute for Public Opinion, NBC News, Wall Street Journal
Oct 15-17, 2012 | 375.21 of 1137
Likely | 33% | 96% | | 3% |
IA: American Research Group
Oct 11-14, 2012 | 210 of 600
Likely | 35% | 96% | | 2% |
IA: YouGov
Oct 4-11, 2012 | 173 of 545
Likely | 31.74% | 86% | | 12% |
IA: We Ask America
Sep 25-27, 2012 | ≤1273
Likely | 90.3% | 0.5% | 6.5% |
IA: Public Policy Polling
Sep 24-26, 2012 | 278.98 of 754
Likely | 37% | 91% | | 7% |
IA: American Research Group
Sep 20-23, 2012 | 216 of 600
Likely | 36% | 92% | | 5% |
IA: YouGov
Sep 7-14, 2012 | 233 of 750
Registered | 31.07% | 94% | | 3% |
IA: Public Policy Polling
Aug 23-26, 2012 | 435.4 of 1244
Likely | 35% | 87% | | 10% |
IA: Public Policy Polling
Jul 12-15, 2012 | 395.85 of 1131
Registered | 35% | 87% | | 7% |
IA: Marist Institute for Public Opinion, NBC News
May 22-24, 2012 | 34 of 1106
Registered | 3.07% | 82% | | 11% |
IA: Public Policy Polling
May 3-6, 2012 | 425.16 of 1181
Registered | 36% | 90% | | 9% |
IA: University of Iowa
11/30-12/7/2011 | 324.06 of 982
Registered | 33% | 86.1% | | 4.9% |
IA: Marist Institute for Public Opinion, NBC News
Nov 27-29, 2011 | ≤1503
Registered | 80% | | 11% |
IA: Public Policy Polling
Oct 7-10, 2011 | 292.11 of 749
Registered | 39% | 86% | | 8% |
IA: Marist Institute for Public Opinion, NBC News
Oct 3-5, 2011 | 1020.96 of 2836
Registered | 36% | 80% | | 12% |
IA: Public Policy Polling
Aug 19-21, 2011 | 279.3 of 798
Registered | 35% | 87% | | 9% |
IA: Public Policy Polling
May 27-30, 2011 | 513.19 of 1387
Registered | 37% | 84% | | 10% |
IA: Public Policy Polling
Apr 15-17, 2011 | 421.42 of 1109
Registered | 38% | 81% | | 10% |
IA: Public Policy Polling
Jan 7-9, 2011 | 398.49 of 1077
Registered | 37% | 86% | | 9% |