Polls
Iowa: Trump vs. Clinton vs. Johnson
Key 2016 Races: President 4-Way | 2-Way | Senate | IA-1 | IA-3 | President: 2012: Obama +5.8, 2008: Obama +9.5
RCP Electoral Map | Changes in Electoral Count | Map With No Toss Ups | No Toss Up Changes | Latest Polls
RCP Electoral Map | Changes in Electoral Count | Map With No Toss Ups | No Toss Up Changes | Latest Polls
Polling Data
| Poll | Date | Sample | MoE | Trump (R) | Clinton (D) | Johnson (L) | Spread |
|---|---|---|---|---|---|---|---|
| Final Results | -- | -- | -- | 51.2 | 41.7 | 3.8 | Trump +9.5 |
| Emerson*Emerson* | 11/1 - 11/3 | 700 LV | 3.6 | 44 | 41 | 5 | Trump +3 |
| Loras*Loras* | 11/1 - 11/3 | 500 LV | 4.4 | 43 | 44 | 3 | Clinton +1 |
| Quinnipiac*Quinnipiac* | 10/20 - 10/26 | 791 LV | 3.5 | 44 | 44 | 4 | Tie |
| Des Moines Register*DM Register* | 10/3 - 10/6 | 642 LV | 3.9 | 43 | 39 | 6 | Trump +4 |
| Loras*Loras* | 9/20 - 9/22 | 491 LV | 4.4 | 38 | 38 | 9 | Tie |
| Quinnipiac*Quinnipiac* | 9/13 - 9/21 | 612 LV | 4.0 | 44 | 37 | 10 | Trump +7 |
| Monmouth*Monmouth* | 9/12 - 9/14 | 404 LV | 4.9 | 45 | 37 | 8 | Trump +8 |
| Emerson*Emerson* | 8/30 - 9/1 | 600 LV | 3.9 | 44 | 39 | 8 | Trump +5 |
| CBS News/YouGov*CBS News/YouGov* | 8/17 - 8/19 | 987 LV | 4.0 | 40 | 40 | 7 | Tie |
| Quinnipiac*Quinnipiac* | 8/9 - 8/16 | 846 LV | 3.4 | 39 | 41 | 12 | Clinton +2 |
| Suffolk University*Suffolk* | 8/8 - 8/10 | 500 LV | 4.4 | 37 | 36 | 6 | Trump +1 |
| NBC/WSJ/Marist*NBC/WSJ/Marist* | 8/3 - 8/7 | 899 RV | 3.3 | 35 | 35 | 12 | Tie |
| CBS News/YouGov*CBS News/YouGov* | 7/13 - 7/15 | 998 LV | 4.8 | 40 | 39 | 3 | Trump +1 |
| Monmouth*Monmouth* | 7/8 - 7/11 | 401 LV | 4.9 | 44 | 42 | 6 | Trump +2 |
| Gravis*Gravis* | 7/7 - 7/8 | 1318 A | 2.7 | 37 | 39 | 8 | Clinton +2 |
| NBC/WSJ/Marist*NBC/WSJ/Marist* | 7/5 - 7/10 | 822 RV | 3.4 | 37 | 37 | 7 | Tie |
| Loras College*Loras College* | 6/24 - 6/28 | 600 LV | 4.0 | 31 | 44 | 6 | Clinton +13 |
