| Poll | Date | Sample | Clinton | Sanders | Biden | O'Malley | Webb | Chafee | Spread |
|---|---|---|---|---|---|---|---|---|---|
| RCP Average | 5/19 - 6/14 | -- | 58.6 | 11.6 | 11.4 | 2.0 | 1.6 | 0.6 | Clinton +47.0 |
| Monmouth | 6/11 - 6/14 | 350 RV | 57 | 12 | 12 | 1 | 2 | 0 | Clinton +45 |
| FOX News | 5/31 - 6/2 | 395 RV | 57 | 11 | 8 | 4 | 2 | 1 | Clinton +46 |
| CNN/Opinion Research | 5/29 - 5/31 | 433 A | 60 | 10 | 14 | 1 | 2 | 0 | Clinton +46 |
| ABC News/Wash Post | 5/28 - 5/31 | 376 RV | 62 | 10 | 14 | 3 | 1 | 1 | Clinton +48 |
| Quinnipiac | 5/19 - 5/26 | 748 RV | 57 | 15 | 9 | 1 | 1 | 1 | Clinton +42 |
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| Poll | Date | Sample | Clinton | Sanders | Biden | O'Malley | Webb | Chafee | Spread |
|---|---|---|---|---|---|---|---|---|---|
| RCP Average | 5/19 - 6/14 | -- | 58.6 | 11.6 | 11.4 | 2.0 | 1.6 | 0.6 | Clinton +47.0 |
| Monmouth | 6/11 - 6/14 | 350 RV | 57 | 12 | 12 | 1 | 2 | 0 | Clinton +45 |
| FOX News | 5/31 - 6/2 | 395 RV | 57 | 11 | 8 | 4 | 2 | 1 | Clinton +46 |
| CNN/Opinion Research | 5/29 - 5/31 | 433 A | 60 | 10 | 14 | 1 | 2 | 0 | Clinton +46 |
| ABC News/Wash Post | 5/28 - 5/31 | 376 RV | 62 | 10 | 14 | 3 | 1 | 1 | Clinton +48 |
| Quinnipiac | 5/19 - 5/26 | 748 RV | 57 | 15 | 9 | 1 | 1 | 1 | Clinton +42 |
| FOX News | 5/9 - 5/12 | 370 LV | 63 | 6 | 6 | 0 | 2 | 0 | Clinton +50 |
| PPP (D) | 5/7 - 5/10 | 600 RV | 63 | 13 | -- | 2 | 6 | 5 | Clinton +50 |
| FOX News | 4/19 - 4/21 | 388 LV | 62 | 4 | 9 | 1 | 0 | 0 | Clinton +50 |
| Quinnipiac | 4/16 - 4/21 | 569 RV | 60 | 8 | 10 | 3 | 1 | 0 | Clinton +50 |
| CNN/Opinion Research | 4/16 - 4/19 | 458 A | 69 | 5 | 11 | 1 | 3 | 1 | Clinton +58 |
| FOX News | 3/29 - 3/31 | 397 LV | 61 | 3 | 12 | 2 | 1 | -- | Clinton +49 |
| PPP (D) | 3/26 - 3/31 | 449 RV | 54 | 6 | 7 | 3 | 2 | -- | Clinton +40 |
| ABC News/Wash Post | 3/26 - 3/29 | RV | 66 | 5 | 12 | 0 | 1 | -- | Clinton +54 |
| CNN/Opinion Research | 3/13 - 3/15 | 466 A | 62 | 3 | 15 | 1 | 1 | -- | Clinton +47 |
| McClatchy/Marist | 3/1 - 3/4 | 462 RV | 60 | 5 | 13 | 1 | 1 | -- | Clinton +47 |
| Quinnipiac | 2/26 - 3/2 | 493 RV | 56 | 4 | 10 | 0 | 1 | -- | Clinton +42 |
| PPP (D) | 2/20 - 2/22 | 310 RV | 54 | 5 | 16 | 1 | 2 | -- | Clinton +38 |
| CNN/Opinion Research | 2/12 - 2/15 | RV | 60 | 3 | 15 | 1 | 2 | -- | Clinton +45 |
| FOX News | 1/25 - 1/27 | 390 RV | 55 | 3 | 17 | 2 | 1 | -- | Clinton +38 |
| PPP (D) | 1/22 - 1/25 | 386 RV | 60 | 2 | 15 | 1 | 1 | -- | Clinton +45 |
| Rasmussen Reports | 1/18 - 1/19 | 648 LV | 59 | 4 | 6 | 2 | 3 | -- | Clinton +47 |
| CNN/Opinion Research | 12/18 - 12/21 | 469 A | 66 | 3 | 8 | 1 | 1 | -- | Clinton +57 |
| ABC News/Wash Post | 12/11 - 12/14 | 346 RV | 61 | 4 | 14 | 0 | 3 | -- | Clinton +47 |
| FOX News | 12/7 - 12/9 | 409 RV | 62 | 3 | 10 | 1 | 1 | -- | Clinton +50 |
| McClatchy/Marist | 12/3 - 12/9 | 429 RV | 62 | 4 | 11 | 1 | 1 | -- | Clinton +51 |
| CNN/Opinion Research | 11/21 - 11/23 | 457 A | 65 | 5 | 9 | 0 | 1 | -- | Clinton +55 |
| Quinnipiac | 11/18 - 11/23 | 610 RV | 57 | 4 | 9 | 1 | 1 | -- | Clinton +44 |
| Rasmussen Reports | 11/20 - 11/21 | LV | 62 | -- | 7 | 2 | 2 | -- | Clinton +45 |
| ABC News/Wash Post | 10/9 - 10/12 | RV | 64 | 1 | 13 | 1 | 2 | -- | Clinton +51 |
| McClatchy/Marist | 9/24 - 9/29 | 408 RV | 64 | 4 | 15 | 2 | 1 | -- | Clinton +49 |
| FOX News | 7/20 - 7/22 | 438 RV | 64 | -- | 12 | 1 | -- | -- | Clinton +52 |
| CNN/Opinion Research | 7/18 - 7/20 | 449 A | 67 | -- | 8 | 2 | -- | -- | Clinton +57 |
| Quinnipiac | 6/24 - 6/30 | 610 RV | 58 | -- | 9 | 1 | -- | -- | Clinton +47 |
| ABC News/Wash Post | 5/29 - 6/1 | RV | 69 | 2 | 12 | 2 | 1 | -- | Clinton +57 |
| FOX News | 4/13 - 4/15 | 395 RV | 69 | -- | 14 | 1 | -- | -- | Clinton +55 |
| Reason-Rupe/PSRAI | 3/26 - 3/30 | A | 64 | -- | 11 | -- | -- | -- | Clinton +53 |
| CNN/Opinion Research | 3/7 - 3/9 | 372 A | 64 | -- | 13 | 4 | -- | -- | Clinton +51 |
| PPP (D) | 3/6 - 3/9 | 429 RV | 66 | -- | 11 | 2 | -- | -- | Clinton +55 |
| PPP (D) | 1/23 - 1/26 | 334 RV | 67 | -- | 7 | 1 | -- | -- | Clinton +60 |
| ABC News/Wash Post | 1/20 - 1/23 | RV | 73 | -- | 11 | -- | -- | -- | Clinton +62 |
| Quinnipiac | 1/15 - 1/19 | 803 RV | 65 | -- | 8 | 1 | -- | -- | Clinton +57 |
| FOX News | 12/14 - 12/16 | 412 RV | 68 | -- | 12 | 1 | -- | -- | Clinton +56 |
| PPP (D) | 12/12 - 12/15 | 453 RV | 66 | -- | 10 | 2 | -- | -- | Clinton +56 |
| Quinnipiac | 12/3 - 12/9 | 1095 RV | 66 | -- | 8 | 0 | -- | -- | Clinton +58 |
| McClatchy/Marist | 12/3 - 12/5 | 466 RV | 65 | -- | 12 | 1 | -- | -- | Clinton +53 |
| CNN/Opinion Research | 11/18 - 11/20 | RV | 64 | -- | 12 | 2 | -- | -- | Clinton +52 |
| Rasmussen Reports | 11/7 - 11/8 | LV | 70 | -- | 10 | 0 | -- | -- | Clinton +60 |
| PPP (D) | 10/29 - 10/31 | 400 RV | 67 | -- | 12 | 2 | -- | -- | Clinton +55 |
| Quinnipiac | 9/23 - 9/29 | RV | 61 | -- | 11 | 0 | -- | -- | Clinton +50 |
| CNN/Opinion Research | 9/6 - 9/8 | 448 RV | 65 | -- | 10 | 2 | -- | -- | Clinton +55 |
| Rasmussen Reports | 8/1 - 8/2 | LV | 63 | -- | 12 | 1 | -- | -- | Clinton +51 |
| PPP (D) | 7/19 - 7/21 | 418 RV | 52 | -- | 12 | 1 | -- | -- | Clinton +40 |
| McClatchy/Marist | 7/15 - 7/18 | 426 RV | 63 | -- | 13 | 1 | -- | -- | Clinton +50 |
| PPP (D) | 5/6 - 5/9 | 589 RV | 63 | -- | 13 | 2 | -- | -- | Clinton +50 |
| Quinnipiac | 4/25 - 4/29 | RV | 65 | -- | 13 | 1 | -- | -- | Clinton +52 |
| PPP (D) | 3/27 - 3/30 | 666 RV | 64 | -- | 18 | 1 | -- | -- | Clinton +46 |
| PPP (D) | 1/31 - 2/3 | 416 RV | 58 | -- | 19 | 1 | -- | -- | Clinton +39 |
| PPP (D) | 1/3 - 1/6 | 400 RV | 57 | -- | 16 | 3 | -- | -- | Clinton +41 |
| PPP (D) | 11/30 - 12/2 | 454 RV | 61 | -- | 12 | 2 | -- | -- | Clinton +49 |