| Sample | Obama (D) | Johnson (L) | Romney (R) |
|---|
IA: Public Policy Polling
Nov 3-4, 2012 | 415.14 of 1122
Likely | 37% | 10% | | 89% |
IA: American Research Group
Nov 2-4, 2012 | 210 of 600
Likely | 35% | 7% | | 91% |
IA: YouGov
10/31-11/3/2012 | 259 of 1040
Likely | 24.9% | 7% | | 90% |
IA: Mellman Group, Americans United For Change
10/30-11/1/2012 | ≤600
Likely | | | 90% |
IA: Gravis Marketing
Nov 1, 2012 | 207.9 of 594
Likely | 35% | 16% | | 84% |
IA: Public Policy Polling, Health Care for America Now
Oct 29-30, 2012 | 229.84 of 676
Likely | 34% | 11% | | 89% |
IA: University of Iowa
Oct 18-27, 2012 | ≤320
Likely | 1.7% | | 90.9% |
IA: Public Policy Polling, Health Care for America Now
Oct 23-24, 2012 | 234.6 of 690
Likely | 34% | 9% | | 90% |
IA: Gravis Marketing
Oct 24, 2012 | 180.95 of 517
Likely | 35% | 9% | | 92% |
IA: Public Policy Polling
Oct 17-19, 2012 | 330.22 of 869
Likely | 38% | 14% | | 85% |
IA: Public Policy Polling, Health Care for America Now
Oct 18-19, 2012 | 224.4 of 660
Likely | 34% | 10% | | 87% |
IA: Marist Institute for Public Opinion, NBC News, Wall Street Journal
Oct 15-17, 2012 | 352.47 of 1137
Likely | 31% | 7% | | 92% |
IA: American Research Group
Oct 11-14, 2012 | 204 of 600
Likely | 34% | 3% | | 95% |
IA: YouGov
Oct 4-11, 2012 | 158 of 545
Likely | 28.99% | 8% | | 88% |
IA: We Ask America
Sep 25-27, 2012 | ≤1273
Likely | 11.2% | 1.1% | 82.6% |
IA: Public Policy Polling
Sep 24-26, 2012 | 248.82 of 754
Likely | 33% | 10% | | 85% |
IA: American Research Group
Sep 20-23, 2012 | 192 of 600
Likely | 32% | 8% | | 87% |
IA: YouGov
Sep 7-14, 2012 | 217 of 750
Registered | 28.93% | 6% | | 92% |
IA: Public Policy Polling
Aug 23-26, 2012 | 472.72 of 1244
Likely | 38% | 8% | | 85% |
IA: Public Policy Polling
Jul 12-15, 2012 | 384.54 of 1131
Registered | 34% | 10% | | 84% |
IA: Marist Institute for Public Opinion, NBC News
May 22-24, 2012 | 35 of 1106
Registered | 3.16% | 10% | | 83% |
IA: Public Policy Polling
May 3-6, 2012 | 436.97 of 1181
Registered | 37% | 11% | | 79% |
IA: University of Iowa
11/30-12/7/2011 | 306.384 of 982
Registered | 31.2% | 6.4% | | 81.8% |
IA: Marist Institute for Public Opinion, NBC News
Nov 27-29, 2011 | ≤1503
Registered | 9% | | 81% |
IA: Public Policy Polling
Oct 7-10, 2011 | 262.15 of 749
Registered | 35% | 9% | | 81% |
IA: Marist Institute for Public Opinion, NBC News
Oct 3-5, 2011 | 794.08 of 2836
Registered | 28% | 5% | | 81% |
IA: Public Policy Polling
Aug 19-21, 2011 | 255.36 of 798
Registered | 32% | 8% | | 77% |
IA: Public Policy Polling
May 27-30, 2011 | 471.58 of 1387
Registered | 34% | 9% | | 78% |
IA: Public Policy Polling
Apr 15-17, 2011 | 365.97 of 1109
Registered | 33% | 6% | | 81% |
IA: Public Policy Polling
Jan 7-9, 2011 | 398.49 of 1077
Registered | 37% | 11% | | 76% |