Polls database
Every poll we use, with its source
11,685 polls since 2015: national questions, Senate, House, governor and state legislative races, presidential primaries and ballot measures. Filter, then open any poll’s release.
Matching polls
4,582Senate polls.
Polls per month
287
Jul 2015Jan 2017Jan 2018Jan 2019Jan 2020Jan 2021Jan 2022Jan 2023Jan 2024Jan 2025Nov 2026
November, so far
Latest poll in the database ended Nov 2, 2026. Source: 99chambers polls database
| Dates | Question | Pollster | Sponsor | Sample | Pop. | Mode | Result | Margin | Adjusted | vs result | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 30–31, 2015 | 2016 United States Senate election in Missouri (2016) | C+ Remington | Missouri Scout | 783 | V | — | Kander 33 · Blunt 43 | R+10 | — | — | Release |
| Oct 24–28, 2015 | 2016 United States Senate election in Wisconsin (2016) | — Democracy Corps | — | 400 | V | — | Feingold 51 · Johnson 46 | D+5 | — | — | Release |
| Oct 24–28, 2015 | 2016 United States Senate election in Ohio (2016) | — Democracy Corps | — | 400 | V | — | Strickland 47 · Portman 47 | Even | — | — | Release |
| Oct 23–25, 2015 | 2016 United States Senate election in North Carolina (2016) | B+ Public Policy Polling | — | 893 | V | — | Ross 39 · Burr 43 | R+4 | — | — | Release |
| Oct 16–18, 2015 | 2016 United States Senate election in New Hampshire (2016) | B+ Public Policy Polling | — | 880 | V | — | Hassan 44 · Ayotte 43 | D+1 | — | — | Release |
| Oct 14–17, 2015 | 2016 United States Senate election in Wisconsin (2016) | — Wisconsin Public Radio/St. Norbert College | — | 603 | V | — | Feingold 51 · Johnson 40 | D+11 | — | — | Release |
| Oct 13–15, 2015 | 2016 United States Senate election in Washington (2016) | B− Elway Research | — | 500 | V | — | Murray 44 · Vance 23 | D+21 | — | — | Release |
| Oct 8–11, 2015 | 2016 United States Senate election in Pennsylvania (2016) | B+ Public Policy Polling | — | 1,012 | V | — | McGinty 36 · Toomey 43 | R+7 | — | — | Release |
| Oct 5–6, 2015 | 2016 United States Senate election in New Hampshire (2016) | B− Gravis Marketing | — | 1,035 | V | — | Hassan 42 · Ayotte 52 | R+10 | — | — | Release |
| Sep 25–Oct 5, 2015 | 2016 United States Senate election in Pennsylvania (2016) | A− Quinnipiac University | — | 1,049 | V | — | McGinty 31 · Toomey 51 | R+20 | — | — | Release |
| Sep 25–Oct 5, 2015 | 2016 United States Senate election in Ohio (2016) | A− Quinnipiac University | — | 1,180 | V | — | Strickland 46 · Portman 43 | D+3 | — | — | Release |
| Sep 21–Oct 2, 2015 | 2016 United States Senate election in New Hampshire (2016) | C University of New Hampshire | WMUR | 519 | V | — | Hassan 43 · Ayotte 45 | R+2 | — | — | Release |
| Sep 24–28, 2015 | 2016 United States Senate election in Wisconsin (2016) | B+ Marquette University | — | 803 | RV | — | Feingold 50 · Johnson 36 | D+14 | — | — | Release |
| Sep 24–27, 2015 | 2016 United States Senate election in North Carolina (2016) | B+ Public Policy Polling | — | 1,268 | V | — | Ross 34 · Burr 45 | R+11 | — | — | Release |
| Sep 10–16, 2015 | 2016 United States Senate election in Ohio (2016) | B− Harstad Strategic Research, Inc. | — | 813 | V | — | Strickland 46 · Portman 43 | D+3 | — | — | Release |
| Sep 10–14, 2015 | 2016 United States Senate election in Wisconsin (2016) | — End Citizens United | — | 775 | V | — | Feingold 47 · Johnson 39 | D+8 | — | — | Release |
| Sep 10–14, 2015 | 2016 United States Senate election in Illinois (2016) | — End Citizens United | — | 948 | V | — | Duckworth 45 · Kirk 41 | D+4 | — | — | Release |
| Sep 11–13, 2015 | 2016 United States Senate election in Florida (2016) | B+ Public Policy Polling | — | 814 | V | — | Murphy 40 · Rubio 46 | R+6 | — | — | Release |
| Sep 9–10, 2015 | 2016 United States Senate election in Pennsylvania (2016) | B+ Harper Polling | — | 700 | V | — | McGinty 34 · Toomey 48 | R+14 | — | — | Release |
| Aug 17–24, 2015 | 2016 United States Senate election in Pennsylvania (2016) | B− Franklin & Marshall College | — | 605 | V | — | McGinty 28 · Toomey 35 | R+7 | — | — | Release |
| Aug 21–24, 2015 | 2016 United States Senate election in New Hampshire (2016) | B+ Public Policy Polling | — | 841 | V | — | Hassan 43 · Ayotte 44 | R+1 | — | — | Release |
| Aug 7–18, 2015 | 2016 United States Senate election in Pennsylvania (2016) | A− Quinnipiac University | — | 1,085 | V | — | McGinty 32 · Toomey 48 | R+16 | — | — | Release |
| Aug 7–18, 2015 | 2016 United States Senate election in Ohio (2016) | A− Quinnipiac University | — | 1,096 | V | — | Strickland 44 · Portman 41 | D+3 | — | — | Release |
| Aug 13–16, 2015 | 2016 United States Senate election in Wisconsin (2016) | B+ Marquette University | — | 802 | RV | — | Feingold 47 · Johnson 42 | D+5 | — | — | Release |
| Aug 12–16, 2015 | 2016 United States Senate election in North Carolina (2016) | B+ Public Policy Polling | — | 957 | V | — | Ross 36 · Burr 43 | R+7 | — | — | Release |
| Aug 13–16, 2015 | 2016 United States Senate election in Arizona (2016) | B− Gravis Marketing | — | 1,433 | V | — | Kirkpatrick 35 · McCain 48 | R+13 | — | — | Release |
| Aug 7–9, 2015 | 2016 United States Senate election in Missouri (2016) | B+ Public Policy Polling | — | 859 | V | — | Kander 35 · Blunt 40 | R+5 | — | — | Release |
| Jul 1–31, 2015 | 2016 United States Senate election in New Hampshire (2016) | B+ Marist University | NBC News | 910 | V | — | Hassan 42 · Ayotte 50 | R+8 | — | — | Release |
| Jul 20–21, 2015 | 2016 United States Senate election in Illinois (2016) | B+ Public Policy Polling | — | 931 | V | — | Duckworth 42 · Kirk 36 | D+6 | — | — | Release |
| Jul 7–20, 2015 | 2016 United States Senate election in New Hampshire (2016) | C University of New Hampshire | WMUR | 472 | V | — | Hassan 41 · Ayotte 47 | R+6 | — | — | Release |
| Jul 13–14, 2015 | 2016 United States Senate election in Nevada (2016) | B+ Public Policy Polling | — | 677 | V | — | Masto 42 · Heck 41 | D+1 | — | — | Release |
| Jul 5–6, 2015 | 2016 United States Senate election in New Hampshire (2016) | A+ Tarrance Group | — | 600 | V | — | Hassan 44 · Ayotte 51 | R+7 | — | — | Release |
Showing 4,551–4,582 of 4,582
Adjusted: after house-effect and population corrections. vs result: margin minus the certified or unofficial result. Latest poll in the database ended Nov 2, 2026. Source: each poll’s own release, as cited by the poll list it was compiled from (The New York Times for Senate, governor and House races; Wikipedia for other offices)