| Poll | Date | Sample | Democrats (D) | Republicans (R) | Spread |
|---|---|---|---|---|---|
| Final Results | -- | -- | 48.0 | 49.1 | Republicans +1.1 |
| RCP Average | 11/1 - 11/7 | -- | 46.0 | 45.4 | Democrats +0.6 |
| BloombergBloomberg | 11/4 - 11/6 | 799 LV | 45 | 48 | Republicans +3 |
| Economist/YouGovYouGov | 11/4 - 11/7 | 3677 LV | 45 | 42 | Democrats +3 |
| FOX NewsFOX News | 11/3 - 11/6 | 1295 LV | 45 | 46 | Republicans +1 |
| NBC News/Wall St. JrnlNBC/WSJ | 11/3 - 11/5 | 1282 LV | 47 | 44 | Democrats +3 |
| McClatchy/MaristMcClatchy | 11/1 - 11/3 | 940 LV | 48 | 47 | Democrats +1 |

46.0 Democrats (D)+0.6 |
45.4 Republicans (R) |
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| Poll | Date | Sample | Democrats (D) | Republicans (R) | Spread |
|---|---|---|---|---|---|
| Final Results | -- | -- | 48.0 | 49.1 | Republicans +1.1 |
| RCP Average | 11/1 - 11/7 | -- | 46.0 | 45.4 | Democrats +0.6 |
| BloombergBloomberg | 11/4 - 11/6 | 799 LV | 45 | 48 | Republicans +3 |
| Economist/YouGovYouGov | 11/4 - 11/7 | 3677 LV | 45 | 42 | Democrats +3 |
| FOX NewsFOX News | 11/3 - 11/6 | 1295 LV | 45 | 46 | Republicans +1 |
| NBC News/Wall St. JrnlNBC/WSJ | 11/3 - 11/5 | 1282 LV | 47 | 44 | Democrats +3 |
| McClatchy/MaristMcClatchy | 11/1 - 11/3 | 940 LV | 48 | 47 | Democrats +1 |
| Economist/YouGovYouGov | 10/30 - 11/1 | 1228 LV | 46 | 41 | Democrats +5 |
| Reuters/IpsosReuters | 10/29 - 11/2 | 1858 LV | 42 | 41 | Democrats +1 |
| CBS News/NY TimesCBS/NYT | 10/28 - 11/1 | 1333 RV | 49 | 46 | Democrats +3 |
| Economist/YouGovYouGov | 10/22 - 10/26 | 1209 LV | 45 | 40 | Democrats +5 |
| FOX NewsFOX News | 10/22 - 10/25 | 1221 LV | 47 | 45 | Democrats +2 |
| ABC NewsABC News | 10/22 - 10/24 | 828 LV | 47 | 46 | Democrats +1 |
| Associated Press-GfKAP-GfK | 10/20 - 10/24 | 1212 LV | 46 | 41 | Democrats +5 |
| CNN/ORCCNN/ORC | 10/20 - 10/23 | 779 LV | 50 | 47 | Democrats +3 |
| Reuters/IpsosReuters | 10/20 - 10/24 | 1170 LV | 44 | 39 | Democrats +5 |
| Economist/YouGovYouGov | 10/15 - 10/18 | 925 RV | 43 | 38 | Democrats +5 |
| BloombergBloomberg | 10/14 - 10/17 | 1006 LV | 47 | 43 | Democrats +4 |
| Reuters/IpsosReuters | 10/13 - 10/17 | 1190 LV | 43 | 39 | Democrats +4 |
| CBS NewsCBS News | 10/12 - 10/16 | 1189 LV | 50 | 45 | Democrats +5 |
| NBC News/Wall St. JrnlNBC/WSJ | 10/10 - 10/13 | 905 LV | 47 | 44 | Democrats +3 |
| ABC News/Wash PostABC/WP | 10/10 - 10/13 | 740 LV | 47 | 44 | Democrats +3 |
| FOX NewsFOX News | 10/10 - 10/12 | 917 LV | 48 | 42 | Democrats +6 |
| GWU/BattlegroundGWU/Battleground | 10/8 - 10/13 | 1000 LV | 47 | 42 | Democrats +5 |
| NBC News/Wall St. JrnlNBC/WSJ | 10/8 - 10/10 | 900 RV | 48 | 42 | Democrats +6 |
| Reuters/IpsosReuters | 10/6 - 10/10 | 2363 A | 46 | 36 | Democrats +10 |
| NBC News/Wall St. JrnlNBC/WSJ | 10/8 - 10/9 | 500 RV | 49 | 42 | Democrats +7 |
| Economist/YouGovYouGov | 10/7 - 10/8 | 971 RV | 42 | 39 | Democrats +3 |
| Economist/YouGovYouGov | 10/1 - 10/3 | 911 RV | 43 | 37 | Democrats +6 |
| Reuters/IpsosReuters | 9/29 - 10/3 | 1669 RV | 42 | 38 | Democrats +4 |
| FOX NewsFOX News | 9/27 - 9/29 | 911 LV | 44 | 43 | Democrats +1 |
| Reuters/IpsosReuters | 9/22 - 9/26 | 1041 LV | 42 | 36 | Democrats +6 |
| BloombergBloomberg | 9/21 - 9/24 | 1002 LV | 46 | 44 | Democrats +2 |
| Economist/YouGovYouGov | 9/22 - 9/24 | 948 RV | 43 | 38 | Democrats +5 |
| NBC News/Wall St. JrnlNBC/WSJ | 9/16 - 9/19 | 1000 RV | 48 | 45 | Democrats +3 |
| McClatchy/MaristMcClatchy | 9/15 - 9/20 | 758 LV | 49 | 45 | Democrats +4 |
| Economist/YouGovYouGov | 9/18 - 9/19 | 936 RV | 43 | 36 | Democrats +7 |
| Reuters/IpsosReuters | 9/15 - 9/19 | 1111 LV | 39 | 40 | Republicans +1 |
| Economist/YouGovYouGov | 9/10 - 9/13 | 926 RV | 44 | 38 | Democrats +6 |
| Reuters/IpsosReuters | 9/8 - 9/12 | 1752 A | 40 | 38 | Democrats +2 |
| Economist/YouGovYouGov | 9/4 - 9/6 | 955 RV | 41 | 38 | Democrats +3 |
| Reuters/IpsosReuters | 9/1 - 9/5 | 1084 LV | 40 | 39 | Democrats +1 |
| CNN/ORCCNN/ORC | 9/1 - 9/4 | 786 LV | 47 | 49 | Republicans +2 |
| GWU/BattlegroundGWU/Battleground | 8/28 - 9/1 | 1000 LV | 45 | 43 | Democrats +2 |
| McClatchy/MaristMcClatchy | 8/1 - 8/3 | 983 RV | 49 | 41 | Democrats +8 |
| NBC News/Wall St. JrnlNBC/WSJ | 7/31 - 8/3 | 800 RV | 47 | 43 | Democrats +4 |
| PPP (D)PPP (D) | 7/29 - 7/30 | 1276 LV | 47 | 44 | Democrats +3 |
| FOX NewsFOX News | 6/26 - 6/28 | 1017 RV | 46 | 41 | Democrats +5 |
| NBC News/Wall St. JrnlNBC/WSJ | 6/19 - 6/23 | 1000 RV | 46 | 46 | Tie |
| NBC News/Wall St. JrnlNBC/WSJ | 5/15 - 5/19 | 1000 RV | 48 | 44 | Democrats +4 |
| ABC News/Wash PostABC/WP | 5/16 - 5/19 | 829 RV | 45 | 45 | Tie |
| GWU/BattlegroundGWU/Battleground | 4/17 - 4/20 | 1000 LV | 46 | 41 | Democrats +5 |
| NBC News/Wall St. JrnlNBC/WSJ | 4/10 - 4/14 | 1000 RV | 47 | 45 | Democrats +2 |
| PPP (D)PPP (D) | 3/24 - 3/26 | 1083 RV | 43 | 43 | Tie |
| PPP (D)PPP (D) | 2/2 - 2/3 | 1236 RV | 47 | 41 | Democrats +6 |
| PPP (D)PPP (D) | 12/16 - 12/17 | 1267 RV | 43 | 43 | Tie |
| NBC News/Wall St. JrnlNBC/WSJ | 10/25 - 10/29 | 847 RV | 45 | 45 | Tie |
| QuinnipiacQuinnipiac | 7/23 - 7/28 | 1644 RV | 37 | 39 | Republicans +2 |
| QuinnipiacQuinnipiac | 5/19 - 5/26 | 1711 RV | 39 | 36 | Democrats +3 |
| Rasmussen ReportsRasmussen | 5/10 - 5/14 | 2500 LV | 38 | 38 | Tie |