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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 23–25, 2018 | 2018 United States Senate election in West Virginia (2018) | A+ Tarrance Group | — | 612 | V | — | Manchin 47 · Morrisey 43 | D+4 | — | — | Release |
| Sep 24–25, 2018 | 2018 United States Senate election in West Virginia (2018) | B 1892 Polling | — | 500 | V | — | Manchin 45 · Morrisey 45 | Even | — | — | Release |
| Sep 23–25, 2018 | 2018 United States Senate election in Tennessee (2018) | B+ Garin-Hart-Yang Research Group | — | 600 | V | — | Bredesen 47 · Blackburn 45 | D+2 | — | — | Release |
| Sep 21–25, 2018 | 2018 United States Senate election in Michigan (2018) | A− EPIC-MRA | — | 600 | V | — | Stabenow 56 · James 33 | D+23 | — | — | Release |
| Sep 10–25, 2018 | 2018 United States Senate election in Arizona (2018)Not averaged | B Latino Decisions | — | 610 | RV | — | Sinema 43 · McSally 37 | D+6 | — | — | Release |
| Sep 10–25, 2018 | 2018 United States Senate election in Arizona (2018) | B Latino Decisions | — | 463 | LV | — | Sinema 47 · McSally 41 | D+6 | — | — | Release |
| Sep 14–24, 2018 | 2018 United States Senate election in Wisconsin (2018) | B+ Ipsos | — | 1,109 | V | — | Baldwin 52 · Vukmir 39 | D+13 | — | — | Release |
| Sep 9–24, 2018 | 2018 United States Senate election in Tennessee (2018) | C− SurveyMonkey | — | 1,609 | V | — | Bredesen 42 · Blackburn 42 | Even | — | — | Release |
| Sep 20–24, 2018 | 2018 United States Senate election in New Mexico (2018) | — NSON Opinion Strategy | — | 932 | V | — | Heinrich 36 · Rich 10 | D+26 | — | — | Release |
| Sep 9–24, 2018 | 2018 United States Senate special election in Mississippi (2018) | C− SurveyMonkey | — | 985 | V | — | Espy 25 · Hyde-Smith 24 | D+1 | — | — | Release |
| Sep 9–24, 2018 | 2018 United States Senate election in Mississippi (2018) | C− SurveyMonkey | — | 985 | V | — | Baria 29 · Wicker 43 | R+14 | — | — | Release |
| Sep 14–24, 2018 | 2018 United States Senate election in Michigan (2018) | B+ Ipsos | — | 1,150 | V | — | Stabenow 55 · James 35 | D+20 | — | — | Release |
| Sep 19–24, 2018 | 2018 United States Senate election in Florida (2018) | B− Cherry Communications | — | 622 | V | — | Nelson 48 · Scott 46 | D+2 | — | — | Release |
| Sep 20–24, 2018 | 2018 United States Senate election in Florida (2018) | A− Quinnipiac University | — | 888 | V | — | Nelson 53 · Scott 46 | D+7 | — | — | Release |
| Sep 19–23, 2018 | 2018 United States Senate election in West Virginia (2018) | C Global Strategy Group | — | 601 | V | — | Manchin 48 · Morrisey 36 | D+12 | — | — | Release |
| Sep 17–23, 2018 | 2018 United States Senate election in Pennsylvania (2018)Not averaged | B− Franklin & Marshall College | — | 545 | RV | — | Jr. 48 · Barletta 30 | D+18 | — | — | Release |
| Sep 17–23, 2018 | 2018 United States Senate election in Pennsylvania (2018) | B− Franklin & Marshall College | — | 204 | LV | — | Jr. 50 · Barletta 33 | D+17 | — | — | Release |
| Sep 19–22, 2018 | 2018 United States Senate election in Montana (2018) | B− Gravis Marketing | — | 710 | V | — | Tester 49 · Rosendale 45 | D+4 | — | — | Release |
| Sep 13–21, 2018 | 2018 United States Senate election in Ohio (2018) | B+ Ipsos | — | 1,074 | V | — | Brown 50 · Renacci 39 | D+11 | — | — | Release |
| Sep 17–21, 2018 | 2018 United States Senate election in Massachusetts (2018) | A MassINC Polling Group | — | 506 | V | — | Warren 56 · Diehl 30 | D+26 | — | — | Release |
| Sep 19–21, 2018 | 2018 United States Senate election in Arizona (2018) | A+ Emerson College | — | 650 | V | — | Sinema 45 · McSally 39 | D+6 | — | — | Release |
| Sep 19–20, 2018 | 2018 United States Senate election in Texas (2018)Not averaged | B+ Public Policy Polling | — | 603 | V | — | O'Rourke 46 · Cruz 49 | R+3 | — | — | Release |
| Sep 19–20, 2018 | 2018 United States Senate election in Texas (2018) | B+ Public Policy Polling | — | 613 | V | — | O'Rourke 45 · Cruz 48 | R+3 | — | — | Release |
| Sep 12–20, 2018 | 2018 United States Senate election in Pennsylvania (2018) | B+ Ipsos | — | 1,080 | V | — | Jr. 53 · Barletta 37 | D+16 | — | — | Release |
| Sep 16–20, 2018 | 2018 United States Senate election in Ohio (2018)Not averaged | B+ Marist University | NBC News | 796 | RV | — | Brown 52 · Renacci 39 | D+13 | — | — | Release |
| Sep 16–20, 2018 | 2018 United States Senate election in Ohio (2018)Not averaged | B+ Marist University | NBC News | 796 | RV | — | Brown 49 · Renacci 33 | D+16 | — | — | Release |
| Sep 16–20, 2018 | 2018 United States Senate election in Ohio (2018)Not averaged | B+ Marist University | NBC News | 564 | LV | — | Brown 52 · Renacci 39 | D+13 | — | — | Release |
| Sep 16–20, 2018 | 2018 United States Senate election in Ohio (2018) | B+ Marist University | NBC News | 564 | LV | — | Brown 49 · Renacci 35 | D+14 | — | — | Release |
| Sep 18–20, 2018 | 2018 United States Senate election in Ohio (2018) | B− Triton Polling & Research | — | 1,003 | V | — | Brown 53 · Renacci 42 | D+11 | — | — | Release |
| Sep 12–20, 2018 | 2018 United States Senate election in Indiana (2018) | B+ Ipsos | — | 1,181 | V | — | Donnelly 46 · Braun 43 | D+3 | — | — | Release |
| Sep 16–20, 2018 | 2018 United States Senate election in Florida (2018)Not averaged | B+ Marist University | — | 829 | RV | — | Nelson 48 · Scott 43 | D+5 | — | — | Release |
| Sep 16–20, 2018 | 2018 United States Senate election in Florida (2018) | B+ Marist University | — | 600 | LV | — | Nelson 48 · Scott 45 | D+3 | — | — | Release |
| Sep 16–20, 2018 | 2018 United States Senate election in Arizona (2018)Not averaged | B+ Marist University | NBC News | 763 | RV | — | Sinema 47 · McSally 44 | D+3 | — | — | Release |
| Sep 16–20, 2018 | 2018 United States Senate election in Arizona (2018)Not averaged | B+ Marist University | NBC News | 763 | RV | — | Sinema 44 · McSally 41 | D+3 | — | — | Release |
| Sep 16–20, 2018 | 2018 United States Senate election in Arizona (2018)Not averaged | B+ Marist University | NBC News | 564 | LV | — | Sinema 48 · McSally 45 | D+3 | — | — | Release |
| Sep 16–20, 2018 | 2018 United States Senate election in Arizona (2018) | B+ Marist University | NBC News | 564 | LV | — | Sinema 45 · McSally 43 | D+2 | — | — | Release |
| Sep 13–19, 2018 | 2018 United States Senate election in Pennsylvania (2018) | A Muhlenberg College | — | 404 | V | — | Jr. 53 · Barletta 35 | D+18 | — | — | Release |
| Sep 17–19, 2018 | 2018 United States Senate election in Montana (2018) | B+ Axis Research | — | — | V | — | Tester 44 · Rosendale 44 | Even | — | — | Release |
| Sep 17–19, 2018 | 2018 United States Senate election in Florida (2018) | B+ University of North Florida | — | 603 | V | — | Nelson 45 · Scott 45 | Even | — | — | Release |
| Sep 16–18, 2018 | 2018 United States Senate election in Texas (2018) | B+ Vox Populi Polling | — | 508 | V | — | O'Rourke 50 · Cruz 50 | Even | — | — | Release |
| Sep 16–18, 2018 | 2018 United States Senate election in Tennessee (2018) | B+ Vox Populi Polling | — | 567 | V | — | Bredesen 51 · Blackburn 49 | D+2 | — | — | Release |
| Sep 11–17, 2018 | 2018 United States Senate election in Texas (2018) | A− Quinnipiac University | — | 807 | V | — | O'Rourke 45 · Cruz 54 | R+9 | — | — | Release |
| Sep 14–17, 2018 | 2018 United States Senate election in Rhode Island (2018) | A− Fleming & Associates | — | 420 | V | — | Whitehouse 54 · Flanders 35 | D+19 | — | — | Release |
| Sep 16–17, 2018 | 2018 United States Senate election in New Mexico (2018) | — In Lux Research | — | 900 | V | — | Heinrich 38 · Rich 10 | D+28 | — | — | Release |
| Sep 13–17, 2018 | 2018 United States Senate election in Massachusetts (2018) | A Suffolk University | — | 500 | V | — | Warren 54 · Diehl 24 | D+30 | — | — | Release |
| Sep 11–17, 2018 | 2018 United States Senate election in Delaware (2018)Not averaged | — University of Delaware | — | 908 | RV | — | Carper 60 · Arlett 22 | D+38 | — | — | Release |
| Sep 11–17, 2018 | 2018 United States Senate election in Delaware (2018) | — University of Delaware | — | 728 | LV | — | Carper 61 · Arlett 24 | D+37 | — | — | Release |
| Sep 12–16, 2018 | 2018 United States Senate election in Wisconsin (2018)Not averaged | B+ Marquette University | — | 800 | RV | — | Baldwin 52 · Vukmir 40 | D+12 | — | — | Release |
| Sep 12–16, 2018 | 2018 United States Senate election in Wisconsin (2018) | B+ Marquette University | — | 614 | LV | — | Baldwin 53 · Vukmir 42 | D+11 | — | — | Release |
| Sep 6–16, 2018 | 2018 United States Senate election in Montana (2018) | C+ Benenson Strategy Group | AARP | 950 | V | — | Tester 50 · Rosendale 43 | D+7 | — | — | Release |
Showing 3,351–3,400 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)