
| Poll | Date | Sample | MoE | Sanders (D) | Cruz (R) | Spread |
|---|---|---|---|---|---|---|
| RCP Average | 4/10 - 5/1 | -- | -- | 51.8 | 38.8 | Sanders +13.0 |
| CNN/ORCCNN/ORC | 4/28 - 5/1 | 890 RV | 3.5 | 57 | 39 | Sanders +18 |
| IBD/TIPPIBD/TIPP | 4/22 - 4/28 | 814 RV | 3.5 | 49 | 38 | Sanders +11 |
| USA Today/SuffolkUSA Today | 4/20 - 4/24 | 1000 LV | 3.0 | 50 | 38 | Sanders +12 |
| FOX NewsFOX News | 4/11 - 4/13 | 1021 RV | 3.0 | 51 | 39 | Sanders +12 |
| NBC News/Wall St. JrnlNBC/WSJ | 4/10 - 4/14 | 1000 RV | 3.1 | 52 | 40 | Sanders +12 |

51.8 Sanders (D)+13.0 |
38.8 Cruz (R) |
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| Poll | Date | Sample | MoE | Sanders (D) | Cruz (R) | Spread |
|---|---|---|---|---|---|---|
| RCP Average | 4/10 - 5/1 | -- | -- | 51.8 | 38.8 | Sanders +13.0 |
| CNN/ORCCNN/ORC | 4/28 - 5/1 | 890 RV | 3.5 | 57 | 39 | Sanders +18 |
| IBD/TIPPIBD/TIPP | 4/22 - 4/28 | 814 RV | 3.5 | 49 | 38 | Sanders +11 |
| USA Today/SuffolkUSA Today | 4/20 - 4/24 | 1000 LV | 3.0 | 50 | 38 | Sanders +12 |
| FOX NewsFOX News | 4/11 - 4/13 | 1021 RV | 3.0 | 51 | 39 | Sanders +12 |
| NBC News/Wall St. JrnlNBC/WSJ | 4/10 - 4/14 | 1000 RV | 3.1 | 52 | 40 | Sanders +12 |
| CBS NewsCBS News | 4/8 - 4/12 | 1098 RV | 3.0 | 50 | 38 | Sanders +12 |
| McClatchy/MaristMcClatchy | 3/29 - 3/31 | 1066 RV | 3.0 | 53 | 41 | Sanders +12 |
| IBD/TIPPIBD/TIPP | 3/28 - 4/2 | 819 RV | 3.5 | 50 | 38 | Sanders +12 |
| PPP (D)PPP (D) | 3/24 - 3/26 | 1083 RV | 3.0 | 48 | 41 | Sanders +7 |
| FOX NewsFOX News | 3/20 - 3/22 | 1016 RV | 3.0 | 47 | 43 | Sanders +4 |
| BloombergBloomberg | 3/19 - 3/22 | 815 LV | 3.4 | 52 | 40 | Sanders +12 |
| QuinnipiacQuinnipiac | 3/16 - 3/21 | 1451 RV | 2.6 | 50 | 39 | Sanders +11 |
| CNN/ORCCNN/ORC | 3/17 - 3/20 | 925 RV | 3.0 | 55 | 42 | Sanders +13 |
| CNN/ORCCNN/ORC | 2/24 - 2/27 | 920 RV | 3.0 | 57 | 40 | Sanders +17 |
| QuinnipiacQuinnipiac | 2/10 - 2/15 | 1342 RV | 2.7 | 49 | 39 | Sanders +10 |
| USA Today/SuffolkUSA Today | 2/11 - 2/15 | 1000 LV | 3.0 | 44 | 42 | Sanders +2 |
| QuinnipiacQuinnipiac | 2/2 - 2/4 | 1125 RV | 2.9 | 46 | 42 | Sanders +4 |
| PPP (D)PPP (D) | 2/2 - 2/3 | 1236 RV | 2.8 | 44 | 42 | Sanders +2 |
| QuinnipiacQuinnipiac | 12/16 - 12/20 | 1140 RV | 2.9 | 43 | 44 | Cruz +1 |
| PPP (D)PPP (D) | 12/16 - 12/17 | 1267 RV | 2.8 | 41 | 42 | Cruz +1 |
| QuinnipiacQuinnipiac | 11/23 - 11/30 | 1473 RV | 2.6 | 49 | 39 | Sanders +10 |
| PPP (D)PPP (D) | 11/16 - 11/17 | 1360 RV | 2.7 | 39 | 44 | Cruz +5 |
| McClatchy/MaristMcClatchy | 10/29 - 11/4 | 540 RV | 4.2 | 51 | 39 | Sanders +12 |
| QuinnipiacQuinnipiac | 10/29 - 11/2 | 1144 RV | 2.9 | 44 | 45 | Cruz +1 |