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 31–Nov 4, 2018 | 2018 United States Senate election in Montana (2018) | D HarrisX | — | 500 | V | — | Tester 49 · Rosendale 43 | D+6 | — | — | Release |
| Nov 2–4, 2018 | 2018 United States Senate election in Montana (2018) | B+ Change Research | — | 879 | V | — | Tester 46 · Rosendale 49 | R+3 | — | — | Release |
| Oct 29–Nov 4, 2018 | 2018 United States Senate election in Missouri (2018) | B Trafalgar Group | — | 1,791 | V | — | McCaskill 44 · Hawley 48 | R+4 | — | — | Release |
| Nov 2–4, 2018 | 2018 United States Senate election in Missouri (2018) | D HarrisX | — | 600 | V | — | McCaskill 44 · Hawley 47 | R+3 | — | — | Release |
| Nov 2–4, 2018 | 2018 United States Senate special election in Mississippi (2018) | B+ Change Research | — | 1,003 | V | — | Espy 40 · Hyde-Smith 27 | D+13 | — | — | Release |
| Nov 2–4, 2018 | 2018 United States Senate election in Mississippi (2018) | B+ Change Research | — | 1,003 | V | — | Baria 40 · Wicker 48 | R+8 | — | — | Release |
| Nov 2–4, 2018 | 2018 United States Senate special election in Minnesota (2018) | B+ Change Research | — | 953 | V | — | Smith 51 · Housley 42 | D+9 | — | — | Release |
| Nov 2–4, 2018 | 2018 United States Senate election in Minnesota (2018) | B+ Change Research | — | 953 | V | — | Klobuchar 55 · Newberger 40 | D+15 | — | — | Release |
| Nov 2–4, 2018 | 2018 United States Senate election in Michigan (2018) | B+ Change Research | — | 880 | V | — | Stabenow 49 · James 47 | D+2 | — | — | Release |
| Nov 4, 2018 | 2018 United States Senate election in Michigan (2018) | B+ Mitchell Research & Communications | — | 701 | V | — | Stabenow 53 · James 46 | D+7 | — | — | Release |
| Nov 2–4, 2018 | 2018 United States Senate election in Indiana (2018) | D HarrisX | — | 600 | V | — | Donnelly 43 · Braun 41 | D+2 | — | — | Release |
| Oct 29–Nov 4, 2018 | 2018 United States Senate election in Florida (2018) | A− Quinnipiac University | — | 1,142 | V | — | Nelson 51 · Scott 44 | D+7 | — | — | Release |
| Nov 2–4, 2018 | 2018 United States Senate election in Florida (2018) | D HarrisX | — | 600 | V | — | Nelson 45 · Scott 49 | R+4 | — | — | Release |
| Nov 3–4, 2018 | 2018 United States Senate election in Florida (2018) | B St. Pete Polls | — | 3,088 | V | — | Nelson 50 · Scott 46 | D+4 | — | — | Release |
| Nov 2–4, 2018 | 2018 United States Senate election in Arizona (2018) | D HarrisX | — | 600 | V | — | Sinema 47 · McSally 46 | D+1 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Wisconsin (2018) | A Research Co. | — | 450 | V | — | Baldwin 50 · Vukmir 39 | D+11 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Pennsylvania (2018) | A Research Co. | — | 450 | V | — | Jr. 56 · Barletta 39 | D+17 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Ohio (2018) | A Research Co. | — | 450 | V | — | Brown 53 · Renacci 39 | D+14 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in New York (2018) | A Research Co. | — | 450 | V | — | Gillibrand 60 · Farley 32 | D+28 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in New Mexico (2018) | A Research Co. | — | 450 | V | — | Heinrich 47 · Rich 33 | D+14 | — | — | Release |
| Oct 30–Nov 3, 2018 | 2018 United States Senate election in Montana (2018) | D HarrisX | — | 500 | V | — | Tester 49 · Rosendale 43 | D+6 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Missouri (2018) | D HarrisX | — | 600 | V | — | McCaskill 46 · Hawley 46 | Even | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Missouri (2018) | A+ Emerson College | — | 732 | V | — | McCaskill 46 · Hawley 49 | R+3 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate special election in Minnesota (2018) | A Research Co. | — | 450 | V | — | Smith 49 · Housley 39 | D+10 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Minnesota (2018) | A Research Co. | — | 450 | V | — | Klobuchar 53 · Newberger 33 | D+20 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Michigan (2018) | A Research Co. | — | 450 | V | — | Stabenow 52 · James 36 | D+16 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Indiana (2018) | D HarrisX | — | 600 | V | — | Donnelly 43 · Braun 42 | D+1 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Florida (2018) | A Research Co. | — | 450 | V | — | Nelson 47 · Scott 46 | D+1 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Florida (2018) | D HarrisX | — | 600 | V | — | Nelson 45 · Scott 47 | R+2 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Florida (2018) | A+ Emerson College | — | 784 | V | — | Nelson 50 · Scott 45 | D+5 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Arizona (2018) | A Research Co. | — | 450 | V | — | Sinema 45 · McSally 44 | D+1 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Arizona (2018) | D HarrisX | — | 600 | V | — | Sinema 46 · McSally 48 | R+2 | — | — | Release |
| Nov 1–3, 2018 | 2018 United States Senate election in Arizona (2018) | A+ Emerson College | — | 758 | V | — | Sinema 49 · McSally 48 | D+1 | — | — | Release |
| Nov 2–3, 2018 | 2018 United States Senate election in Arizona (2018) | B OH Predictive Insights | — | 631 | V | — | Sinema 48 · McSally 49 | R+1 | — | — | Release |
| Nov 1–2, 2018 | 2018 United States Senate election in Texas (2018) | B+ Change Research | — | 1,211 | V | — | O'Rourke 49 · Cruz 49 | Even | — | — | Release |
| Oct 29–Nov 2, 2018 | 2018 United States Senate election in Montana (2018) | D HarrisX | — | 500 | V | — | Tester 50 · Rosendale 42 | D+8 | — | — | Release |
| Oct 31–Nov 2, 2018 | 2018 United States Senate election in Missouri (2018) | D HarrisX | — | 600 | V | — | McCaskill 45 · Hawley 46 | R+1 | — | — | Release |
| Nov 1–2, 2018 | 2018 United States Senate election in Missouri (2018) | C+ Remington | Missouri Scout | 1,424 | V | — | McCaskill 47 · Hawley 47 | Even | — | — | Release |
| Oct 31–Nov 2, 2018 | 2018 United States Senate election in Indiana (2018) | D HarrisX | — | 600 | V | — | Donnelly 44 · Braun 42 | D+2 | — | — | Release |
| Oct 29–Nov 2, 2018 | 2018 United States Senate election in Florida (2018) | B− Gravis Marketing | — | 753 | V | — | Nelson 50 · Scott 47 | D+3 | — | — | Release |
| Oct 30–Nov 2, 2018 | 2018 United States Senate election in Florida (2018)Not averaged | B+ Marist University | — | 917 | RV | — | Nelson 50 · Scott 45 | D+5 | — | — | Release |
| Oct 30–Nov 2, 2018 | 2018 United States Senate election in Florida (2018) | B+ Marist University | — | 595 | LV | — | Nelson 50 · Scott 46 | D+4 | — | — | Release |
| Oct 31–Nov 2, 2018 | 2018 United States Senate election in Florida (2018) | D HarrisX | — | 600 | V | — | Nelson 46 · Scott 48 | R+2 | — | — | Release |
| Nov 1–2, 2018 | 2018 United States Senate election in Florida (2018) | B St. Pete Polls | — | 2,733 | V | — | Nelson 48 · Scott 49 | R+1 | — | — | Release |
| Nov 1–2, 2018 | 2018 United States Senate election in Florida (2018) | B+ Change Research | — | 1,236 | V | — | Nelson 50 · Scott 48 | D+2 | — | — | Release |
| Oct 24–Nov 2, 2018 | 2018 United States Senate election in Arizona (2018) | B− Gravis Marketing | — | 1,165 | V | — | Sinema 46 · McSally 47 | R+1 | — | — | Release |
| Oct 31–Nov 2, 2018 | 2018 United States Senate election in Arizona (2018) | D HarrisX | — | 600 | V | — | Sinema 44 · McSally 49 | R+5 | — | — | Release |
| Oct 28–Nov 1, 2018 | 2018 United States Senate election in Pennsylvania (2018) | A Muhlenberg College | — | 421 | V | — | Jr. 54 · Barletta 40 | D+14 | — | — | Release |
| Oct 28–Nov 1, 2018 | 2018 United States Senate election in New York (2018) | A Siena College | — | 641 | V | — | Gillibrand 58 · Farley 35 | D+23 | — | — | Release |
| Oct 26–Nov 1, 2018 | 2018 United States Senate election in New Mexico (2018) | A+ Research & Polling Inc. | — | 993 | V | — | Heinrich 51 · Rich 31 | D+20 | — | — | Release |
Showing 3,051–3,100 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)