| Poll | Date | Sample | MoE | Clinton (D) | Huckabee (R) | Spread |
|---|---|---|---|---|---|---|
| RCP Average | 4/13 - 4/26 | -- | -- | 45.5 | 42.5 | Clinton +3.0 |
| PPP (D) | 4/23 - 4/26 | 1219 RV | 2.8 | 46 | 44 | Clinton +2 |
| Quinnipiac | 3/29 - 4/7 | 948 RV | 3.2 | 42 | 42 | Tie |
| Loras College | 6/4 - 6/5 | 600 LV | 4.0 | 50 | 40 | Clinton +10 |
| WFB/The Polling Company (R) | 4/13 - 4/14 | 600 LV | 4.1 | 44 | 44 | Tie |
| Poll | Date | Sample | MoE | Clinton (D) | Huckabee (R) | Spread |
|---|---|---|---|---|---|---|
| RCP Average | 4/13 - 4/26 | -- | -- | 45.5 | 42.5 | Clinton +3.0 |
| PPP (D) | 4/23 - 4/26 | 1219 RV | 2.8 | 46 | 44 | Clinton +2 |
| Quinnipiac | 3/29 - 4/7 | 948 RV | 3.2 | 42 | 42 | Tie |
| Quinnipiac | 2/5 - 2/15 | 1089 RV | 3.0 | 45 | 38 | Clinton +7 |
| PPP (D) | 9/25 - 9/28 | 1192 LV | 2.8 | 46 | 42 | Clinton +4 |
| Quinnipiac | 6/12 - 6/16 | 1277 RV | 2.7 | 46 | 39 | Clinton +7 |
| Loras College | 6/4 - 6/5 | 600 LV | 4.0 | 50 | 40 | Clinton +10 |
| PPP (D) | 5/15 - 5/19 | 914 RV | 3.2 | 46 | 42 | Clinton +4 |
| WFB/The Polling Company (R) | 4/13 - 4/14 | 600 LV | 4.1 | 44 | 44 | Tie |
| PPP (D) | 2/20 - 2/23 | 869 RV | 3.3 | 46 | 42 | Clinton +4 |