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Arizona - 11 electoral votes
Latest projection - October 27, 2020
| Firm | Date (middle) | Sample | DEM | REP | Leader |
|---|---|---|---|---|---|
| 338Canada projection | 2020-10-27 | 48.5 | 46.5 | Biden +2.0 | |
| Trafalgar Group | 2020-10-24 | 472 | 47 | 50 | Trump +3 |
| OH Predictive Insights | 2020-10-24 | 716 | 49 | 46 | Biden +3 |
| Susquehanna Polling | 2020-10-21 | 500 | 46 | 47 | Trump +1 |
| Rasmussen Reports/Pulse OR | 2020-10-19 | 800 | 48 | 46 | Biden +2 |
| Ipsos | 2020-10-18 | 658 | 50 | 46 | Biden +4 |
| Data Orbital | 2020-10-17 | 550 | 51 | 45 | Biden +6 |
| Morning Consult | 2020-10-16 | 1066 | 47 | 48 | Trump +1 |
| YouGov | 2020-10-15 | 1074 | 50 | 47 | Biden +3 |
| Ipsos | 2020-10-11 | 667 | 50 | 46 | Biden +4 |
| Monmouth University | 2020-10-11 | 502 | 50 | 44 | Biden +6 |
| Trafalgar Group | 2020-10-07 | 1087 | 44 | 48 | Trump +4 |
| Morning Consult | 2020-10-07 | 1144 | 49 | 46 | Biden +3 |
| Redfield & Wilton Strategies | 2020-10-06 | 727 | 49 | 43 | Biden +6 |
| OH Predictive Insights | 2020-10-06 | 608 | 49 | 45 | Biden +4 |
| Data Orbital | 2020-10-04 | 550 | 50 | 45 | Biden +5 |
| Change Research | 2020-10-03 | 296 | 51 | 45 | Biden +6 |
| Siena College/NYT | 2020-10-02 | 655 | 49 | 41 | Biden +8 |
| HighGround Inc. | 2020-10-02 | 400 | 49 | 48 | Biden +1 |
| Suffolk University | 2020-09-28 | 500 | 50 | 46 | Biden +4 |
| Redfield & Wilton Strategies | 2020-09-25 | 871 | 47 | 44 | Biden +3 |
| Change Research | 2020-09-19 | 262 | 49 | 43 | Biden +6 |
| Data for Progress | 2020-09-19 | 481 | 45 | 46 | Trump +1 |
| ABC News/Washington Post | 2020-09-18 | 579 | 48 | 49 | Trump +1 |
| Redfield & Wilton Strategies | 2020-09-14 | 855 | 47 | 42 | Biden +5 |
| Ipsos | 2020-09-14 | 568 | 47 | 46 | Biden +1 |
| Monmouth University | 2020-09-13 | 420 | 48 | 46 | Biden +2 |
| Siena College/NYT | 2020-09-13 | 653 | 49 | 40 | Biden +9 |
| Gravis Marketing | 2020-09-11 | 884 | 50 | 48 | Biden +2 |
| YouGov | 2020-09-10 | 1106 | 47 | 44 | Biden +3 |
| OH Predictive Insights | 2020-09-09 | 600 | 52 | 42 | Biden +10 |
| Kaiser Family Foundation | 2020-09-07 | 1298 | 49 | 45 | Biden +4 |
| Change Research | 2020-09-05 | 470 | 49 | 45 | Biden +4 |
| Benenson SG/GS Strategy Group | 2020-09-04 | 1600 | 48 | 47 | Biden +1 |
| Morning Consult | 2020-09-03 | 901 | 49 | 46 | Biden +3 |
| Redfield & Wilton Strategies | 2020-09-02 | 830 | 48 | 43 | Biden +5 |
| Fox News | 2020-08-31 | 772 | 49 | 40 | Biden +9 |
| Morning Consult | 2020-08-26 | 943 | 52 | 42 | Biden +10 |
| Change Research | 2020-08-22 | 344 | 49 | 47 | Biden +2 |
| Redfield & Wilton Strategies | 2020-08-17 | 856 | 47 | 38 | Biden +9 |
| Morning Consult | 2020-08-13 | 943 | 52 | 42 | Biden +10 |
| Change Research | 2020-08-08 | 428 | 45 | 44 | Biden +1 |
| Trafalgar Group | 2020-08-07 | 1013 | 45 | 46 | Trump +1 |
| OH Predictive Insights | 2020-08-03 | 603 | 49 | 45 | Biden +4 |
| Change Research | 2020-07-25 | 365 | 47 | 45 | Biden +2 |
| CNN/SSRS | 2020-07-22 | 873 | 49 | 45 | Biden +4 |
| Morning Consult | 2020-07-22 | 908 | 49 | 42 | Biden +7 |
| Redfield & Wilton Strategies | 2020-07-21 | 858 | 46 | 38 | Biden +8 |
| Marist College | 2020-07-19 | 826 | 50 | 45 | Biden +5 |
| Change Research | 2020-07-11 | 345 | 51 | 45 | Biden +6 |
| YouGov | 2020-07-09 | 1087 | 46 | 46 | Tie |
[For the complete list of polls, follow this link.]