| Poll | Date | Sample | Clinton | Sanders | Biden | O'Malley | Webb | Chafee | Spread |
|---|---|---|---|---|---|---|---|---|---|
| RCP Average | 4/21 - 6/15 | -- | 48.6 | 21.2 | 5.8 | 2.6 | 1.2 | 1.0 | Clinton +26.6 |
| Suffolk University | 6/11 - 6/15 | 500 LV | 41 | 31 | 7 | 3 | 1 | 1 | Clinton +10 |
| Morning Consult | 5/31 - 6/8 | 279 RV | 44 | 32 | 8 | 2 | 1 | 0 | Clinton +12 |
| Bloomberg/Saint Anselm | 5/2 - 5/6 | 400 LV | 62 | 18 | 5 | 3 | 1 | 1 | Clinton +44 |
| WMUR/UNH | 4/24 - 5/3 | 229 LV | 51 | 13 | 2 | 1 | 1 | 1 | Clinton +31 |
| Gravis Marketing | 4/21 - 4/22 | 369 RV | 45 | 12 | 7 | 4 | 2 | 2 | Clinton +21 |
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| Poll | Date | Sample | Clinton | Sanders | Biden | O'Malley | Webb | Chafee | Spread |
|---|---|---|---|---|---|---|---|---|---|
| RCP Average | 4/21 - 6/15 | -- | 48.6 | 21.2 | 5.8 | 2.6 | 1.2 | 1.0 | Clinton +26.6 |
| Suffolk University | 6/11 - 6/15 | 500 LV | 41 | 31 | 7 | 3 | 1 | 1 | Clinton +10 |
| Morning Consult | 5/31 - 6/8 | 279 RV | 44 | 32 | 8 | 2 | 1 | 0 | Clinton +12 |
| Bloomberg/Saint Anselm | 5/2 - 5/6 | 400 LV | 62 | 18 | 5 | 3 | 1 | 1 | Clinton +44 |
| WMUR/UNH | 4/24 - 5/3 | 229 LV | 51 | 13 | 2 | 1 | 1 | 1 | Clinton +31 |
| Gravis Marketing | 4/21 - 4/22 | 369 RV | 45 | 12 | 7 | 4 | 2 | 2 | Clinton +21 |
| PPP (D) | 4/9 - 4/13 | 329 RV | 45 | 12 | 7 | 3 | 1 | 1 | Clinton +22 |
| Boston Herald/Franklin Pierce | 3/22 - 3/25 | 417 LV | 47 | 8 | 10 | 1 | 0 | -- | Clinton +25 |
| Gravis Marketing | 3/18 - 3/19 | 427 RV | 49 | 12 | 5 | 2 | 2 | -- | Clinton +29 |
| NBC News/Marist | 2/3 - 2/10 | 309 RV | 69 | 13 | 8 | 0 | 2 | -- | Clinton +56 |
| Bloomberg/Saint Anselm | 1/31 - 2/5 | 400 LV | 56 | 8 | 8 | 0 | 0 | -- | Clinton +41 |
| Gravis Marketing | 2/2 - 2/3 | 384 RV | 44 | 13 | 5 | 1 | 1 | -- | Clinton +19 |
| WMUR/UNH | 1/22 - 2/3 | 297 LV | 58 | 6 | 8 | 1 | 1 | -- | Clinton +44 |
| Bloomberg/Saint Anselm | 11/12 - 11/18 | 404 LV | 62 | 6 | 5 | 1 | -- | -- | Clinton +49 |
| New England College | 10/31 - 11/1 | 583 LV | 53 | 7 | 6 | 2 | -- | -- | Clinton +36 |
| UMass Amherst/WBZ | 10/10 - 10/15 | 204 RV | 49 | 11 | 6 | 0 | -- | -- | Clinton +33 |
| WMUR/UNH | 9/29 - 10/5 | 234 LV | 58 | 3 | 3 | 3 | -- | -- | Clinton +40 |
| CNN/Opinion Research | 9/8 - 9/11 | 334 RV | 60 | 7 | 8 | 1 | -- | -- | Clinton +49 |
| WMUR/UNH | 6/19 - 7/1 | 257 LV | 59 | 5 | 14 | 0 | -- | -- | Clinton +45 |
| WMUR/UNH | 4/1 - 4/9 | 184 LV | 65 | -- | 6 | 0 | -- | -- | Clinton +59 |
| WMUR/UNH | 1/21 - 1/26 | 205 LV | 74 | -- | 10 | 0 | -- | -- | Clinton +64 |
| Purple Strategies | 1/21 - 1/23 | 334 LV | 68 | -- | 6 | 1 | -- | -- | Clinton +55 |
| PPP (D) | 1/9 - 1/12 | 502 RV | 65 | -- | 10 | 1 | -- | -- | Clinton +55 |
| WMUR/UNH | 10/7 - 10/16 | 252 LV | 64 | -- | 6 | 0 | -- | -- | Clinton +58 |
| PPP (D) | 9/13 - 9/16 | 455 RV | 57 | -- | 12 | 0 | -- | -- | Clinton +45 |
| WMUR/UNH | 7/18 - 7/29 | 190 LV | 62 | -- | 8 | 0 | -- | -- | Clinton +54 |
| NH Journal/NE College | 7/13 - 7/16 | 333 RV | 65 | -- | 8 | 1 | -- | -- | Clinton +57 |
| New England College | 5/2 - 5/5 | 314 RV | 65 | -- | 10 | 0 | -- | -- | Clinton +55 |
| PPP (D) | 4/19 - 4/21 | 368 RV | 68 | -- | 12 | 1 | -- | -- | Clinton +56 |
| WMUR/UNH | 4/4 - 4/9 | 188 LV | 61 | -- | 7 | 0 | -- | -- | Clinton +54 |
| WMUR/UNH | 1/30 - 2/5 | 201 LV | 63 | -- | 10 | 0 | -- | -- | Clinton +53 |
| PPP (D) | 8/9 - 8/12 | 400 RV | 55 | -- | 9 | 1 | -- | -- | Clinton +46 |