| Sample | Obama (D) | Johnson (L) | Romney (R) |
|---|
IA: Public Policy Polling
Nov 3-4, 2012 | 269.28 of 1122
Likely | 24% | 51% | | 43% |
IA: American Research Group
Nov 2-4, 2012 | 174 of 600
Likely | 29% | 47% | | 48% |
IA: YouGov
10/31-11/3/2012 | 484 of 1040
Likely | 46.54% | 43% | | 50% |
IA: Mellman Group, Americans United For Change
10/30-11/1/2012 | ≤600
Likely | 47% | | 39% |
IA: Gravis Marketing
Nov 1, 2012 | 142.56 of 594
Likely | 24% | 38% | | 43% |
IA: Public Policy Polling, Health Care for America Now
Oct 29-30, 2012 | 182.52 of 676
Likely | 27% | 47% | | 40% |
IA: University of Iowa
Oct 18-27, 2012 | ≤320
Likely | 41.9% | | 40.2% |
IA: Public Policy Polling, Health Care for America Now
Oct 23-24, 2012 | 193.2 of 690
Likely | 28% | 47% | | 46% |
IA: Gravis Marketing
Oct 24, 2012 | 124.08 of 517
Likely | 24% | 36% | | 48% |
IA: Public Policy Polling
Oct 17-19, 2012 | 234.63 of 869
Likely | 27% | 46% | | 42% |
IA: Public Policy Polling, Health Care for America Now
Oct 18-19, 2012 | 165 of 660
Likely | 25% | 43% | | 51% |
IA: Marist Institute for Public Opinion, NBC News, Wall Street Journal
Oct 15-17, 2012 | 397.95 of 1137
Likely | 35% | 49% | | 38% |
IA: American Research Group
Oct 11-14, 2012 | 186 of 600
Likely | 31% | 44% | | 48% |
IA: YouGov
Oct 4-11, 2012 | 205 of 545
Likely | 37.61% | 50% | | 44% |
IA: We Ask America
Sep 25-27, 2012 | ≤1273
Likely | 44.8% | 2.8% | 37.6% |
IA: Public Policy Polling
Sep 24-26, 2012 | 226.2 of 754
Likely | 30% | 47% | | 43% |
IA: American Research Group
Sep 20-23, 2012 | 192 of 600
Likely | 32% | 47% | | 47% |
IA: YouGov
Sep 7-14, 2012 | 252 of 750
Registered | 33.6% | 46% | | 37% |
IA: Public Policy Polling
Aug 23-26, 2012 | 335.88 of 1244
Likely | 27% | 49% | | 36% |
IA: Public Policy Polling
Jul 12-15, 2012 | 339.3 of 1131
Registered | 30% | 46% | | 38% |
IA: Marist Institute for Public Opinion, NBC News
May 22-24, 2012 | 31 of 1106
Registered | 2.8% | 42% | | 38% |
IA: Public Policy Polling
May 3-6, 2012 | 318.87 of 1181
Registered | 27% | 54% | | 34% |
IA: University of Iowa
11/30-12/7/2011 | 253.356 of 982
Registered | 25.8% | 37.4% | | 37.5% |
IA: Marist Institute for Public Opinion, NBC News
Nov 27-29, 2011 | ≤1503
Registered | 39% | | 40% |
IA: Public Policy Polling
Oct 7-10, 2011 | 194.74 of 749
Registered | 26% | 35% | | 42% |
IA: Marist Institute for Public Opinion, NBC News
Oct 3-5, 2011 | 992.6 of 2836
Registered | 35% | 37% | | 39% |
IA: Public Policy Polling
Aug 19-21, 2011 | 263.34 of 798
Registered | 33% | 47% | | 34% |
IA: Public Policy Polling
May 27-30, 2011 | 388.36 of 1387
Registered | 28% | 51% | | 32% |
IA: Public Policy Polling
Apr 15-17, 2011 | 321.61 of 1109
Registered | 29% | 41% | | 37% |
IA: Public Policy Polling
Jan 7-9, 2011 | 269.25 of 1077
Registered | 25% | 40% | | 38% |