| Poll | Date | Sample | MoE | Clinton (D) | Rubio (R) | Spread |
|---|---|---|---|---|---|---|
| RCP Average | 4/26 - 5/31 | -- | -- | 47.5 | 43.3 | Clinton +4.2 |
| CNN/Opinion Research | 5/29 - 5/31 | 1025 A | 3.0 | 49 | 46 | Clinton +3 |
| Quinnipiac | 5/19 - 5/26 | 1711 RV | 2.4 | 45 | 41 | Clinton +4 |
| FOX News | 5/9 - 5/12 | 1006 RV | 3.0 | 47 | 43 | Clinton +4 |
| NBC News/Wall St. Jrnl | 4/26 - 4/30 | RV | -- | 49 | 43 | Clinton +6 |
| Poll | Date | Sample | MoE | Clinton (D) | Rubio (R) | Spread |
|---|---|---|---|---|---|---|
| RCP Average | 4/26 - 5/31 | -- | -- | 47.5 | 43.3 | Clinton +4.2 |
| CNN/Opinion Research | 5/29 - 5/31 | 1025 A | 3.0 | 49 | 46 | Clinton +3 |
| Quinnipiac | 5/19 - 5/26 | 1711 RV | 2.4 | 45 | 41 | Clinton +4 |
| FOX News | 5/9 - 5/12 | 1006 RV | 3.0 | 47 | 43 | Clinton +4 |
| NBC News/Wall St. Jrnl | 4/26 - 4/30 | RV | -- | 49 | 43 | Clinton +6 |
| FOX News | 4/19 - 4/21 | 1012 RV | 3.0 | 46 | 42 | Clinton +4 |
| Quinnipiac | 4/16 - 4/21 | 1353 RV | 2.7 | 45 | 43 | Clinton +2 |
| CNN/Opinion Research | 4/16 - 4/19 | 1018 A | 3.0 | 55 | 41 | Clinton +14 |
| FOX News | 3/29 - 3/31 | 1025 RV | 3.0 | 47 | 43 | Clinton +4 |
| PPP (D) | 3/26 - 3/31 | 989 RV | 3.1 | 46 | 43 | Clinton +3 |
| ABC News/Wash Post | 3/26 - 3/29 | RV | 4.0 | 54 | 39 | Clinton +15 |
| CNN/Opinion Research | 3/13 - 3/15 | 1009 A | 3.0 | 55 | 42 | Clinton +13 |
| McClatchy/Marist | 3/1 - 3/4 | 522 RV | 4.3 | 49 | 42 | Clinton +7 |
| Quinnipiac | 2/26 - 3/2 | 1286 RV | 2.7 | 46 | 41 | Clinton +5 |
| PPP (D) | 2/20 - 2/22 | 691 RV | 3.7 | 48 | 41 | Clinton +7 |
| Rasmussen Reports | 6/20 - 6/21 | 1000 LV | 3.0 | 47 | 36 | Clinton +11 |
| Bloomberg | 6/6 - 6/9 | 723 LV | -- | 47 | 36 | Clinton +11 |
| McClatchy/Marist | 4/7 - 4/10 | 518 RV | 4.3 | 54 | 38 | Clinton +16 |
| PPP (D) | 3/6 - 3/9 | 1152 RV | 2.9 | 48 | 40 | Clinton +8 |
| McClatchy/Marist | 2/4 - 2/9 | 480 RV | 4.5 | 58 | 37 | Clinton +21 |
| CNN/Opinion Research | 12/16 - 12/19 | 950 RV | 3.0 | 56 | 37 | Clinton +19 |
| McClatchy/Marist | 12/3 - 12/5 | 490 RV | 4.4 | 52 | 42 | Clinton +10 |
| Monmouth | 7/25 - 7/30 | 850 RV | 3.4 | 47 | 36 | Clinton +11 |
| PPP (D) | 7/19 - 7/21 | 800 RV | 3.5 | 45 | 40 | Clinton +5 |
| McClatchy/Marist | 7/15 - 7/18 | 980 RV | 2.8 | 50 | 38 | Clinton +12 |
| PPP (D) | 5/6 - 5/9 | 1099 RV | 3.0 | 51 | 41 | Clinton +10 |
| PPP (D) | 3/27 - 3/30 | 1247 RV | 2.8 | 49 | 42 | Clinton +7 |
| McClatchy/Marist | 3/25 - 3/27 | 519 RV | 4.3 | 52 | 40 | Clinton +12 |
| Quinnipiac | 2/27 - 3/4 | 1944 RV | 2.2 | 50 | 34 | Clinton +16 |
| PPP (D) | 1/31 - 2/3 | 800 RV | 3.5 | 49 | 41 | Clinton +8 |
| PPP (D) | 1/3 - 1/6 | 1100 RV | 3.0 | 51 | 37 | Clinton +14 |