| Poll | Date | Sample | Sanders | Biden | Buttigieg | Warren | Klobuchar | Yang | Steyer | Gabbard | Bloomberg | Spread |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PowerVoter Average | 1/20 - 2/2 | -- | 23.0 | 19.3 | 16.8 | 15.5 | 9.0 | 3.3 | 3.0 | 1.5 | 1.0 | Sanders +3.7 |
| Victory Insights | Apr 8, 2021 | 600 RV | 2 | 15 | 3 | 9 | Harris +13 | |||||
| Emerson | 1/31 - 2/2 | 853 LV | 28 | 21 | 15 | 14 | 11 | 5 | 4 | 1 | -- | Sanders +7 |
| FRA/David Binder (D) | 1/28 - 1/30 | 300 LV | 17 | 15 | 19 | 15 | 11 | 1 | 3 | 3 | 1 | Buttigieg +2 |
| DFP/Civiqs | 1/26 - 1/29 | 615 LV | 28 | 15 | 15 | 21 | 8 | 5 | 2 | 2 | -- | Sanders +7 |
| Monmouth | 1/23 - 1/27 | 544 LV | 21 | 23 | 16 | 15 | 10 | 3 | 4 | 1 | -- | Biden +2 |
| Iowa St./Civiqs | 1/23 - 1/27 | 655 LV | 24 | 15 | 17 | 19 | 11 | 5 | 4 | 2 | 1 | Sanders +5 |
| Emerson | 1/23 - 1/26 | 450 LV | 30 | 21 | 10 | 11 | 13 | 5 | 5 | 5 | -- | Sanders +9 |
| USA Today/Suffolk | 1/23 - 1/26 | 500 LV | 19 | 25 | 18 | 13 | 6 | 3 | 2 | 1 | -- | Biden +6 |
| NY Times/Siena | 1/20 - 1/23 | 584 LV | 25 | 17 | 18 | 15 | 8 | 3 | 3 | 1 | 1 | Sanders +7 |
|
23.0
Sanders
|
19.3
Biden
|
16.8
Buttigieg
|
15.5
Warren
|
9.0
Klobuchar
|
3.3
Yang
|
3.0
Steyer
|
1.5
Gabbard
|
1.0
Bloomberg
|
Harris
|
O'Rourke
|
Booker
|