| Poll | Date | Sample | MoE | Clinton (D) | Cruz (R) | Spread |
|---|---|---|---|---|---|---|
| RCP Average | 7/7 - 4/26 | -- | -- | 46.5 | 38.5 | Clinton +8.0 |
| PPP (D) | 4/23 - 4/26 | 1219 RV | 2.8 | 49 | 42 | Clinton +7 |
| Quinnipiac | 3/29 - 4/7 | 948 RV | 3.2 | 43 | 40 | Clinton +3 |
| Des Moines Register/Bloomberg | 10/3 - 10/8 | 1107 LV | 2.9 | 45 | 35 | Clinton +10 |
| NBC News/Marist | 7/7 - 7/13 | 832 RV | 3.4 | 49 | 37 | Clinton +12 |
| Poll | Date | Sample | MoE | Clinton (D) | Cruz (R) | Spread |
|---|---|---|---|---|---|---|
| RCP Average | 7/7 - 4/26 | -- | -- | 46.5 | 38.5 | Clinton +8.0 |
| PPP (D) | 4/23 - 4/26 | 1219 RV | 2.8 | 49 | 42 | Clinton +7 |
| Quinnipiac | 3/29 - 4/7 | 948 RV | 3.2 | 43 | 40 | Clinton +3 |
| Des Moines Register/Bloomberg | 10/3 - 10/8 | 1107 LV | 2.9 | 45 | 35 | Clinton +10 |
| PPP (D) | 9/25 - 9/28 | 1192 LV | 2.8 | 47 | 39 | Clinton +8 |
| NBC News/Marist | 7/7 - 7/13 | 832 RV | 3.4 | 49 | 37 | Clinton +12 |
| PPP (D) | 5/15 - 5/19 | 914 RV | 3.2 | 47 | 40 | Clinton +7 |
| Quinnipiac | 3/5 - 3/10 | 1411 RV | 2.6 | 51 | 35 | Clinton +16 |
| Quinnipiac | 12/10 - 12/15 | 1617 RV | 2.4 | 48 | 41 | Clinton +7 |
| Harper (R) | 11/23 - 11/24 | 985 LV | 3.1 | 47 | 40 | Clinton +7 |