| Sample | Trump (R) | Clinton (D) | Johnson (L) | Stein (G) |
---|
IA: Quinnipiac University Sep 13-21, 2016 | 201.96 of 612 Likely | 33% | 38% | 33% | 19% | 4% |
IA: Monmouth University Polling Institute Sep 12-14, 2016 | 189.88 of 404 Likely | 47% | 44% | 29% | 13% | 3% |
IA: RABA Research, Simpson College Sep 6-8, 2016 | 389.98 of 1054 Registered | 37% | 35% | 32% | 19% | 2% |
IA: Emerson College 8/31-9/1/2016 | 203 of 600 Likely | 33.83% | 33.5% 68 | 33.99% 69 | 15.76% 32 | 1.48% 3 |
IA: YouGov, CBS News Aug 17-19, 2016 | 270 of 987 Likely | 27.36% | 39% | 31% | 10% | 4% |
IA: Quinnipiac University Aug 9-16, 2016 | 329.94 of 846 Likely | 39% | 35% | 33% | 18% | 6% |
IA: Suffolk University Aug 8-10, 2016 | 173 of 500 Likely | 34.6% | 31.79% 55 | 23.7% 41 | 7.51% 13 | 2.31% 4 |
IA: Marist Institute for Public Opinion, NBC News, Wall Street Journal Aug 3-7, 2016 | 404.55 of 899 Registered | 45% | 28% | 29% | 19% | 6% |
IA: YouGov, CBS News Jul 13-15, 2016 | 299 of 998 Likely | 29.96% | 43% | 31% | 7% | 5% |
IA: Marist Institute for Public Opinion, NBC News, Wall Street Journal Jul 5-10, 2016 | 304.14 of 822 Registered | 37% | 33% | 32% | 9% | 7% |
IA: Loras College Jun 24-28, 2016 | 179 of 600 Likely | 29.83% | 23.46% 42 | 44.69% 80 | 5.59% 10 | 3.35% 6 |
IA: Public Policy Polling, Americans United For Change Jun 22-23, 2016 | 251.16 of 897 Registered | 28% | 33% | 37% | | |
IA: Public Policy Polling Jun 9-10, 2016 | 176.4 of 630 Registered | 28% | 37% | 37% | | |
IA: Public Policy Polling Jan 8-10, 2016 | 513.27 of 1901 Registered | 27% | 40% | 40% | | |
IA: Marist Institute for Public Opinion, NBC News Jan 2-7, 2016 | 1241.24 of 2821 Registered | 44% | 36% | 47% | | |
IA: Public Policy Polling Dec 10-13, 2015 | 370.76 of 1426 Registered | 26% | 42% | 43% | | |
IA: Public Policy Polling 10/30-11/1/2015 | 433.68 of 1668 Registered | 26% | 50% | 37% | | |
IA: Marist Institute for Public Opinion, NBC News, Wall Street Journal Sep 23-30, 2015 | 456.23 of 1061 Registered | 43% | 51% | 36% | | |
IA: Marist Institute for Public Opinion, NBC News 8/26-9/2/2015 | 439.12 of 998 Registered | 44% | 51% | 37% | | |
IA: Public Policy Polling Aug 7-9, 2015 | 435 of 1500 Registered | 29% | 40% | 39% | | |