December 2019 – Election 2020 Presidential Polls
| Tuesday, December 31 |
| Wednesday, December 25 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| 2020 Democratic Presidential Nomination | Economist/YouGov | Biden 30, Sanders 17, Warren 19, Buttigieg 7, Bloomberg 4, Yang 3, Klobuchar 5, Gabbard 2, Steyer 1, Booker 2, Delaney 1 | Biden +11 |
| Tuesday, December 24 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| 2020 Democratic Presidential Nomination | Morning Consult | Biden 31, Sanders 21, Warren 15, Buttigieg 9, Bloomberg 6, Yang 5, Klobuchar 3, Gabbard 2, Steyer 3, Booker 3, Delaney 1 | Biden +10 |
| Friday, December 20 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| General Election: Trump vs. Biden | CNN | Biden 49, Trump 44 | Biden +5 |
| General Election: Trump vs. Sanders | CNN | Sanders 49, Trump 45 | Sanders +4 |
| General Election: Trump vs. Warren | CNN | Trump 46, Warren 47 | Warren +1 |
| General Election: Trump vs. Buttigieg | CNN | Trump 46, Buttigieg 45 | Trump +1 |
| Thursday, December 19 |
| Wednesday, December 18 |
| Tuesday, December 17 |
| Monday, December 16 |
| Sunday, December 15 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| 2020 Democratic Presidential Nomination | FOX News | Biden 30, Sanders 20, Warren 13, Buttigieg 7, Bloomberg 5, Yang 3, Klobuchar 5, Gabbard 3, Steyer 1, Booker 2, Delaney 0 | Biden +10 |
| General Election: Trump vs. Biden | FOX News | Biden 48, Trump 41 | Biden +7 |
| General Election: Trump vs. Sanders | FOX News | Sanders 49, Trump 43 | Sanders +6 |
| General Election: Trump vs. Warren | FOX News | Trump 45, Warren 46 | Warren +1 |
| General Election: Trump vs. Buttigieg | FOX News | Trump 42, Buttigieg 43 | Buttigieg +1 |
| General Election: Trump vs. Bloomberg | FOX News | Bloomberg 45, Trump 40 | Bloomberg +5 |
| Friday, December 13 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| South Carolina Democratic Presidential Primary | Post and Courier | Biden 27, Warren 19, Sanders 20, Buttigieg 9, Steyer 5, Booker 5, Gabbard 4, Bloomberg 3, Yang 2, Klobuchar 2, Williamson 1, Patrick 1, Delaney 0 | Biden +7 |
| Thursday, December 12 |
| Wednesday, December 11 |
| Tuesday, December 10 |
| Monday, December 9 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| Arizona: Trump vs. Biden | OH Predictive Insights | Biden 44, Trump 46 | Trump +2 |
| Arizona: Trump vs. Sanders | OH Predictive Insights | Trump 47, Sanders 34 | Trump +13 |
| Arizona: Trump vs. Warren | OH Predictive Insights | Trump 47, Warren 41 | Trump +6 |
| Arizona: Trump vs. Buttigieg | OH Predictive Insights | Trump 45, Buttigieg 43 | Trump +2 |
| Arizona: Trump vs. Bloomberg | OH Predictive Insights | Trump 47, Bloomberg 40 | Trump +7 |
| Friday, December 6 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| 2020 Democratic Presidential Nomination | Harvard-Harris | Biden 29, Sanders 16, Warren 13, Buttigieg 8, Bloomberg 7, Yang 3, Klobuchar 2, Gabbard 1, Steyer 2, Booker 1, Delaney 1 | Biden +13 |
| Thursday, December 5 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| California Democratic Primary | Berkeley IGS | Biden 14, Sanders 24, Warren 22, Buttigieg 12, Yang 3, Bloomberg 2, Booker 1, Gabbard 1, Steyer 1, Klobuchar 3, Castro 1, Williamson 0, Bennet 1 | Sanders +2 |
| Wednesday, December 4 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| 2020 Democratic Presidential Nomination | Economist/YouGov | Biden 27, Sanders 13, Warren 18, Buttigieg 12, Bloomberg 3, Yang 2, Klobuchar 3, Gabbard 2, Steyer 0, Booker 3, Delaney 0 | Biden +9 |
| Tuesday, December 3 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| 2020 Democratic Presidential Nomination | Politico/Morning Consult | Biden 29, Sanders 20, Warren 15, Buttigieg 9, Bloomberg 5, Yang 4, Klobuchar 2, Gabbard 2, Steyer 2, Booker 2, Delaney 1 | Biden +9 |
| Monday, December 2 |
| Race/Topic (Click to Sort) | Poll | Results | Spread |
|---|---|---|---|
| 2020 Democratic Presidential Nomination | The Hill/HarrisX | Biden 31, Sanders 15, Warren 10, Buttigieg 9, Bloomberg 6, Yang 2, Klobuchar 2, Gabbard 0, Steyer 2, Booker 1, Delaney 1 | Biden +16 |