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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 31–Sep 4, 2018 | 2018 United States Senate election in Ohio (2018) | B+ Change Research | — | 822 | V | — | Brown 46 · Renacci 42 | D+4 | — | — | Release |
| Aug 30–Sep 3, 2018 | 2018 United States Senate election in Florida (2018) | A− Quinnipiac University | — | 785 | V | — | Nelson 49 · Scott 49 | Even | — | — | Release |
| Aug 22–31, 2018 | 2018 United States Senate election in Utah (2018) | A+ Dan Jones & Associates | — | 809 | V | — | Wilson 29 · Romney 55 | R+26 | — | — | Release |
| Aug 1–31, 2018 | 2018 United States Senate election in New Mexico (2018) | — In Lux Research | — | 900 | V | — | Heinrich 38 · Rich 13 | D+25 | — | — | Release |
| Aug 13–31, 2018 | 2018 United States Senate election in Montana (2018) | C+ University of Montana | — | 466 | V | — | Tester 56 · Rosendale 32 | D+24 | — | — | Release |
| Aug 29–30, 2018 | 2018 United States Senate election in New York (2018) | — Liberty Opinion Research | — | 2,783 | V | — | Gillibrand 51 · Farley 36 | D+15 | — | — | Release |
| Aug 22–30, 2018 | 2018 United States Senate special election in Mississippi (2018) | — Neighborhood Research Corporation | — | 304 | V | — | Espy 28 · Hyde-Smith 27 | D+1 | — | — | Release |
| Aug 29–30, 2018 | 2018 United States Senate election in Florida (2018) | B St. Pete Polls | — | 1,755 | V | — | Nelson 47 · Scott 47 | Even | — | — | Release |
| Aug 29–30, 2018 | 2018 United States Senate election in Florida (2018) | B+ Public Policy Polling | — | 743 | V | — | Nelson 46 · Scott 45 | D+1 | — | — | Release |
| Aug 29–30, 2018 | 2018 United States Senate election in Florida (2018) | B− Gravis Marketing | — | 1,225 | V | — | Nelson 47 · Scott 47 | Even | — | — | Release |
| Aug 26–29, 2018 | 2018 United States Senate election in Indiana (2018)Not averaged | B+ Marist University | NBC News | 816 | RV | — | Donnelly 48 · Braun 42 | D+6 | — | — | Release |
| Aug 26–29, 2018 | 2018 United States Senate election in Indiana (2018)Not averaged | B+ Marist University | NBC News | 816 | RV | — | Donnelly 43 · Braun 40 | D+3 | — | — | Release |
| Aug 26–29, 2018 | 2018 United States Senate election in Indiana (2018)Not averaged | B+ Marist University | NBC News | 576 | LV | — | Donnelly 49 · Braun 43 | D+6 | — | — | Release |
| Aug 26–29, 2018 | 2018 United States Senate election in Indiana (2018) | B+ Marist University | NBC News | 576 | LV | — | Donnelly 44 · Braun 41 | D+3 | — | — | Release |
| Aug 25–28, 2018 | 2018 United States Senate election in Tennessee (2018)Not averaged | B+ Marist University | NBC News | 730 | RV | — | Bredesen 48 · Blackburn 44 | D+4 | — | — | Release |
| Aug 25–28, 2018 | 2018 United States Senate election in Tennessee (2018) | B+ Marist University | NBC News | 538 | LV | — | Bredesen 48 · Blackburn 46 | D+2 | — | — | Release |
| Aug 25–28, 2018 | 2018 United States Senate election in Missouri (2018)Not averaged | B+ Marist University | NBC News | 774 | RV | — | McCaskill 46 · Hawley 47 | R+1 | — | — | Release |
| Aug 25–28, 2018 | 2018 United States Senate election in Missouri (2018)Not averaged | B+ Marist University | NBC News | 774 | RV | — | McCaskill 43 · Hawley 39 | D+4 | — | — | Release |
| Aug 25–28, 2018 | 2018 United States Senate election in Missouri (2018)Not averaged | B+ Marist University | NBC News | 568 | LV | — | McCaskill 47 · Hawley 47 | Even | — | — | Release |
| Aug 25–28, 2018 | 2018 United States Senate election in Missouri (2018) | B+ Marist University | NBC News | 568 | LV | — | McCaskill 44 · Hawley 40 | D+4 | — | — | Release |
| Aug 11–27, 2018 | 2018 United States Senate election in Utah (2018) | — Lighthouse Research | — | 2,400 | V | — | Wilson 19 · Romney 59 | R+40 | — | — | Release |
| Aug 24–27, 2018 | 2018 United States Senate election in Connecticut (2018) | B− Gravis Marketing | — | 606 | V | — | Murphy 54 · Corey 37 | D+17 | — | — | Release |
| Aug 16–26, 2018 | 2018 United States Senate election in West Virginia (2018)Not averaged | B Research America | — | 404 | V | — | Manchin 45 · Morrisey 34 | D+11 | — | — | Release |
| Aug 16–26, 2018 | 2018 United States Senate election in West Virginia (2018) | B Research America | — | 404 | V | — | Manchin 46 · Morrisey 38 | D+8 | — | — | Release |
| Aug 23–26, 2018 | 2018 United States Senate election in West Virginia (2018) | B+ Harper Polling | — | 600 | V | — | Manchin 47 · Morrisey 41 | D+6 | — | — | Release |
| Aug 20–26, 2018 | 2018 United States Senate election in Pennsylvania (2018)Not averaged | B− Franklin & Marshall College | — | 511 | RV | — | Jr. 48 · Barletta 29 | D+19 | — | — | Release |
| Aug 20–26, 2018 | 2018 United States Senate election in Pennsylvania (2018) | B− Franklin & Marshall College | — | 222 | LV | — | Jr. 47 · Barletta 34 | D+13 | — | — | Release |
| Aug 22–25, 2018 | 2018 United States Senate election in Texas (2018) | A+ Emerson College | — | 550 | V | — | O'Rourke 37 · Cruz 38 | R+1 | — | — | Release |
| Aug 18–24, 2018 | 2018 United States Senate election in Wisconsin (2018) | A Suffolk University | — | 500 | V | — | Baldwin 50 · Vukmir 42 | D+8 | — | — | Release |
| Aug 22–24, 2018 | 2018 United States Senate election in Virginia (2018) | A+ Cygnal | POOLHOUSE | 1,119 | V | — | Kaine 50 · Stewart 46 | D+4 | — | — | Release |
| Aug 20–22, 2018 | 2018 United States Senate election in Montana (2018) | B+ WPA Intelligence | — | 600 | V | — | Tester 45 · Rosendale 47 | R+2 | — | — | Release |
| Aug 16–21, 2018 | 2018 United States Senate election in Connecticut (2018) | A− Quinnipiac University | — | 1,029 | V | — | Murphy 59 · Corey 31 | D+28 | — | — | Release |
| Aug 15–20, 2018 | 2018 United States Senate election in New Jersey (2018) | A− Quinnipiac University | — | 908 | V | — | Menendez 43 · Hugin 37 | D+6 | — | — | Release |
| Aug 17–20, 2018 | 2018 United States Senate special election in Minnesota (2018) | A Suffolk University | — | 500 | V | — | Smith 44 · Housley 37 | D+7 | — | — | Release |
| Aug 17–20, 2018 | 2018 United States Senate election in Minnesota (2018) | A Suffolk University | — | 500 | V | — | Klobuchar 54 · Newberger 34 | D+20 | — | — | Release |
| Aug 16–20, 2018 | 2018 United States Senate election in Florida (2018) | B Florida Atlantic University | — | 800 | V | — | Nelson 39 · Scott 45 | R+6 | — | — | Release |
| Aug 15–19, 2018 | 2018 United States Senate election in Wisconsin (2018)Not averaged | B+ Marquette University | — | 800 | RV | — | Baldwin 51 · Vukmir 43 | D+8 | — | — | Release |
| Aug 15–19, 2018 | 2018 United States Senate election in Wisconsin (2018) | B+ Marquette University | — | 601 | LV | — | Baldwin 49 · Vukmir 47 | D+2 | — | — | Release |
| Aug 12–19, 2018 | 2018 United States Senate election in Virginia (2018) | B− Roanoke College | — | 512 | V | — | Kaine 51 · Stewart 34 | D+17 | — | — | Release |
| Aug 17–18, 2018 | 2018 United States Senate election in New Mexico (2018) | A+ Emerson College | — | 500 | V | — | Heinrich 39 · Rich 11 | D+28 | — | — | Release |
| Aug 12–16, 2018 | 2018 United States Senate election in Texas (2018) | B+ Marist University | NBC News | 759 | V | — | O'Rourke 45 · Cruz 49 | R+4 | — | — | Release |
| Aug 12–16, 2018 | 2018 United States Senate election in Pennsylvania (2018) | B+ Marist University | NBC News | 713 | V | — | Jr. 53 · Barletta 38 | D+15 | — | — | Release |
| Aug 14–16, 2018 | 2018 United States Senate election in Michigan (2018) | B− Gravis Marketing | — | 647 | V | — | Stabenow 51 · James 35 | D+16 | — | — | Release |
| Aug 10–16, 2018 | 2018 United States Senate election in Florida (2018) | — Saint Leo University Polling Institute | — | 500 | V | — | Nelson 36 · Scott 40 | R+4 | — | — | Release |
| Aug 13–15, 2018 | 2018 United States Senate election in Pennsylvania (2018) | — Commonwealth Leaders Fund | — | 2,012 | V | — | Jr. 47 · Barletta 45 | D+2 | — | — | Release |
| Aug 14–15, 2018 | 2018 United States Senate election in New Jersey (2018) | B− Gravis Marketing | — | 753 | V | — | Menendez 40 · Hugin 30 | D+10 | — | — | Release |
| Aug 12–14, 2018 | 2018 United States Senate election in Missouri (2018) | B+ WPA Intelligence | — | 501 | V | — | McCaskill 41 · Hawley 48 | R+7 | — | — | Release |
| Aug 11–14, 2018 | 2018 United States Senate election in Michigan (2018) | A+ Tarrance Group | James' campaign | 602 | V | — | Stabenow 49 · James 38 | D+11 | — | — | Release |
| Aug 13–14, 2018 | 2018 United States Senate election in Michigan (2018) | A− Strategic National | — | 700 | V | — | Stabenow 50 · James 35 | D+15 | — | — | Release |
| Aug 8–11, 2018 | 2018 United States Senate election in Texas (2018) | B+ Civiqs | — | — | V | — | O'Rourke 48 · Cruz 47 | D+1 | — | — | Release |
Showing 3,451–3,500 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)