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
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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 2–5, 2018 | 2018 United States Senate election in Tennessee (2018) | B YouGov | — | 871 | V | — | Bredesen 42 · Blackburn 50 | R+8 | — | — | Release |
| Oct 2–5, 2018 | 2018 United States Senate election in New Jersey (2018) | B YouGov | — | 845 | V | — | Menendez 49 · Hugin 39 | D+10 | — | — | Release |
| Oct 1–5, 2018 | 2018 United States Senate election in Florida (2018) | — Florida Southern College | — | 476 | V | — | Nelson 44 · Scott 46 | R+2 | — | — | Release |
| Oct 2–5, 2018 | 2018 United States Senate election in Arizona (2018) | B− CBS News/YouGov | — | 898 | V | — | Sinema 47 · McSally 44 | D+3 | — | — | Release |
| Sep 10–Oct 4, 2018 | 2018 United States Senate election in Ohio (2018) | C University of Akron | — | 1,000 | V | — | Brown 43 · Renacci 31 | D+12 | — | — | Release |
| Sep 30–Oct 4, 2018 | 2018 United States Senate special election in Minnesota (2018)Not averaged | B+ Marist University | — | 860 | RV | — | Smith 52 · Housley 39 | D+13 | — | — | Release |
| Sep 30–Oct 4, 2018 | 2018 United States Senate special election in Minnesota (2018) | B+ Marist University | — | 637 | LV | — | Smith 54 · Housley 38 | D+16 | — | — | Release |
| Sep 30–Oct 4, 2018 | 2018 United States Senate election in Minnesota (2018)Not averaged | B+ Marist University | — | 860 | RV | — | Klobuchar 62 · Newberger 33 | D+29 | — | — | Release |
| Sep 30–Oct 4, 2018 | 2018 United States Senate election in Minnesota (2018)Not averaged | B+ Marist University | — | 860 | RV | — | Klobuchar 59 · Newberger 32 | D+27 | — | — | Release |
| Sep 30–Oct 4, 2018 | 2018 United States Senate election in Minnesota (2018)Not averaged | B+ Marist University | — | 637 | LV | — | Klobuchar 63 · Newberger 33 | D+30 | — | — | Release |
| Sep 30–Oct 4, 2018 | 2018 United States Senate election in Minnesota (2018) | B+ Marist University | — | 637 | LV | — | Klobuchar 60 · Newberger 32 | D+28 | — | — | Release |
| Sep 30–Oct 3, 2018 | 2018 United States Senate election in Wisconsin (2018)Not averaged | B+ Marist University | — | 781 | RV | — | Baldwin 53 · Vukmir 40 | D+13 | — | — | Release |
| Sep 30–Oct 3, 2018 | 2018 United States Senate election in Wisconsin (2018) | B+ Marist University | — | 571 | LV | — | Baldwin 54 · Vukmir 40 | D+14 | — | — | Release |
| Sep 30–Oct 3, 2018 | 2018 United States Senate election in Indiana (2018) | A− American Viewpoint | — | 800 | V | — | Donnelly 39 · Braun 43 | R+4 | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Tennessee (2018)Not averaged | A− Fox News | — | 806 | RV | — | Bredesen 41 · Blackburn 47 | R+6 | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Tennessee (2018) | A− Fox News | — | 666 | LV | — | Bredesen 43 · Blackburn 48 | R+5 | — | — | Release |
| Oct 1–2, 2018 | 2018 United States Senate election in Pennsylvania (2018) | C Morning Consult | — | 1,188 | V | — | Jr. 47 · Barletta 32 | D+15 | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in North Dakota (2018)Not averaged | A− Fox News | — | 801 | RV | — | Heitkamp 41 · Cramer 50 | R+9 | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in North Dakota (2018) | A− Fox News | — | 704 | LV | — | Heitkamp 41 · Cramer 53 | R+12 | — | — | Release |
| Sep 25–Oct 2, 2018 | 2018 United States Senate election in New Jersey (2018) | A− Quinnipiac University | — | 1,058 | V | — | Menendez 53 · Hugin 42 | D+11 | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Missouri (2018) | C− McLaughlin & Associates | — | 600 | V | — | McCaskill 44 · Hawley 52 | R+8 | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Missouri (2018)Not averaged | A− Fox News | — | 805 | RV | — | McCaskill 44 · Hawley 44 | Even | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Missouri (2018)Not averaged | A− Fox News | — | 805 | RV | — | McCaskill 41 · Hawley 41 | Even | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Missouri (2018)Not averaged | A− Fox News | — | 683 | LV | — | McCaskill 46 · Hawley 46 | Even | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Missouri (2018) | A− Fox News | — | 683 | LV | — | McCaskill 43 · Hawley 43 | Even | — | — | Release |
| Sep 30–Oct 2, 2018 | 2018 United States Senate election in Michigan (2018) | B Glengariff Group | — | 600 | V | — | Stabenow 53 · James 35 | D+18 | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Indiana (2018)Not averaged | A− Fox News | — | 806 | RV | — | Donnelly 41 · Braun 40 | D+1 | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Indiana (2018) | A− Fox News | — | 695 | LV | — | Donnelly 43 · Braun 41 | D+2 | — | — | Release |
| Sep 19–Oct 2, 2018 | 2018 United States Senate election in Florida (2018) | C SSRS | Kaiser Family Foundation | 522 | V | — | Nelson 48 · Scott 45 | D+3 | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Arizona (2018)Not averaged | A− Fox News | — | 806 | RV | — | Sinema 45 · McSally 44 | D+1 | — | — | Release |
| Sep 29–Oct 2, 2018 | 2018 United States Senate election in Arizona (2018) | A− Fox News | — | 716 | LV | — | Sinema 47 · McSally 45 | D+2 | — | — | Release |
| Oct 1–2, 2018 | 2018 United States Senate election in Arizona (2018) | B OH Predictive Insights | — | 600 | V | — | Sinema 41 · McSally 47 | R+6 | — | — | Release |
| Sep 29–Oct 1, 2018 | 2018 United States Senate election in New Jersey (2018) | B+ Vox Populi Polling | — | 794 | V | — | Menendez 52 · Hugin 48 | D+4 | — | — | Release |
| Sep 29–Oct 1, 2018 | 2018 United States Senate election in Missouri (2018) | B+ Vox Populi Polling | — | 869 | V | — | McCaskill 49 · Hawley 51 | R+2 | — | — | Release |
| Sep 29–Oct 1, 2018 | 2018 United States Senate election in Arizona (2018) | B+ Vox Populi Polling | — | 702 | V | — | Sinema 49 · McSally 52 | R+3 | — | — | Release |
| Sep 26–30, 2018 | 2018 United States Senate election in New Jersey (2018)Not averaged | B Fairleigh Dickinson University | — | 746 | RV | — | Menendez 37 · Hugin 32 | D+5 | — | — | Release |
| Sep 26–30, 2018 | 2018 United States Senate election in New Jersey (2018) | B Fairleigh Dickinson University | — | 508 | LV | — | Menendez 43 · Hugin 37 | D+6 | — | — | Release |
| Sep 17–30, 2018 | 2018 United States Senate election in Florida (2018) | C− Strategic Research Associates | — | 800 | V | — | Nelson 45 · Scott 44 | D+1 | — | — | Release |
| Sep 28–30, 2018 | 2018 United States Senate election in Florida (2018) | B+ Public Policy Polling | — | 779 | V | — | Nelson 48 · Scott 44 | D+4 | — | — | Release |
| Sep 29–30, 2018 | 2018 United States Senate election in Florida (2018) | B St. Pete Polls | — | 2,313 | V | — | Nelson 47 · Scott 47 | Even | — | — | Release |
| Sep 27–30, 2018 | 2018 United States Senate election in Arizona (2018) | A Suffolk University | — | 500 | V | — | Sinema 45 · McSally 42 | D+3 | — | — | Release |
| Sep 25–29, 2018 | 2018 United States Senate election in Missouri (2018)Not averaged | C SSRS | CNN | 906 | RV | — | McCaskill 43 · Hawley 42 | D+1 | — | — | Release |
| Sep 25–29, 2018 | 2018 United States Senate election in Missouri (2018) | C SSRS | CNN | 756 | LV | — | McCaskill 47 · Hawley 44 | D+3 | — | — | Release |
| Sep 28, 2018 | 2018 United States Senate election in Montana (2018) | B+ Public Policy Polling | — | 594 | V | — | Tester 49 · Rosendale 45 | D+4 | — | — | Release |
| Sep 17–27, 2018 | 2018 United States Senate election in North Dakota (2018) | C− Strategic Research Associates | — | 650 | V | — | Heitkamp 41 · Cramer 51 | R+10 | — | — | Release |
| Sep 20–27, 2018 | 2018 United States Senate election in New York (2018) | A Siena College | — | 701 | V | — | Gillibrand 61 · Farley 29 | D+32 | — | — | Release |
| Sep 19–27, 2018 | 2018 United States Senate election in New Jersey (2018) | B− Stockton University | — | 531 | V | — | Menendez 45 · Hugin 43 | D+2 | — | — | Release |
| Sep 26–27, 2018 | 2018 United States Senate election in Missouri (2018) | C+ Remington | Missouri Scout | 1,555 | V | — | McCaskill 46 · Hawley 48 | R+2 | — | — | Release |
| Sep 24–27, 2018 | 2018 United States Senate election in Florida (2018) | A Mason-Dixon Polling & Research, Inc. | — | 815 | V | — | Nelson 47 · Scott 46 | D+1 | — | — | Release |
| Sep 17–26, 2018 | 2018 United States Senate election in West Virginia (2018) | C− Strategic Research Associates | — | 650 | V | — | Manchin 46 · Morrisey 38 | D+8 | — | — | Release |
Showing 3,301–3,350 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)