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California - 55 electoral votes
Latest projection - October 27, 2020
| Firm | Date (middle) | Sample | DEM | REP | Leader |
|---|---|---|---|---|---|
| 338Canada projection | 2020-10-27 | 64.7 | 29.6 | Biden +35.1 | |
| University of California, Berkeley | 2020-10-19 | 5352 | 65 | 29 | Biden +36 |
| Public Policy Institute of California | 2020-10-14 | 1185 | 58 | 32 | Biden +26 |
| SurveyUSA | 2020-09-27 | 558 | 59 | 32 | Biden +27 |
| Redfield & Wilton Strategies | 2020-09-20 | 1775 | 62 | 28 | Biden +34 |
| University of California, Berkeley | 2020-09-13 | 5942 | 67 | 28 | Biden +39 |
| Public Policy Institute of California | 2020-09-09 | 1168 | 60 | 31 | Biden +29 |
| SPRY Strategies | 2020-08-31 | 600 | 56 | 39 | Biden +17 |
| David Binder Research | 2020-08-23 | 800 | 61 | 31 | Biden +30 |
| SurveyUSA | 2020-08-12 | 500 | 56 | 28 | Biden +28 |
| Redfield & Wilton Strategies | 2020-08-09 | 1904 | 61 | 25 | Biden +36 |
| University of California, Berkeley | 2020-07-24 | 8756 | 67 | 28 | Biden +39 |
| Public Policy Institute of California | 2020-05-22 | 1048 | 57 | 33 | Biden +24 |
| SurveyUSA | 2020-05-19 | 537 | 58 | 30 | Biden +28 |
| Emerson College | 2020-05-09 | 800 | 59 | 29 | Biden +30 |
| Public Policy Polling | 2020-03-29 | 962 | 67 | 29 | Biden +38 |
[For the complete list of polls, follow this link.]