| Poll | Date | Sample | MoE | Clinton (D) | Cruz (R) | Spread |
|---|---|---|---|---|---|---|
| Quinnipiac | 6/4 - 6/15 | 970 RV | 3.2 | 47 | 40 | Clinton +7 |
| PPP (D) | 5/21 - 5/24 | 799 RV | 3.5 | 49 | 41 | Clinton +8 |
| Quinnipiac | 3/17 - 3/28 | 1036 RV | 3.0 | 48 | 39 | Clinton +9 |
| PPP (D) | 5/30 - 6/1 | 835 RV | 3.4 | 53 | 34 | Clinton +19 |
| Quinnipiac | 2/19 - 2/24 | 1405 RV | 2.6 | 54 | 34 | Clinton +20 |
| Quinnipiac | 12/11 - 12/16 | 1061 RV | 3.0 | 54 | 36 | Clinton +18 |
| PPP (D) | 11/22 - 11/25 | 693 RV | 3.7 | 53 | 41 | Clinton +12 |