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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 19–21, 2018 | 2018 United States Senate election in Texas (2018) | C JMC Analytics | — | 575 | V | — | O'Rourke 40 · Cruz 47 | R+7 | — | — | Release |
| May 16–21, 2018 | 2018 United States Senate election in New Jersey (2018) | B Fairleigh Dickinson University | — | 856 | V | — | Menendez 28 · Hugin 24 | D+4 | — | — | Release |
| May 13–16, 2018 | 2018 United States Senate election in West Virginia (2018)Not averaged | C Global Strategy Group | — | 600 | V | — | Manchin 47 · Morrisey 40 | D+7 | — | — | Release |
| May 13–16, 2018 | 2018 United States Senate election in West Virginia (2018) | C Global Strategy Group | — | 600 | V | — | Manchin 50 · Morrisey 42 | D+8 | — | — | Release |
| May 15–16, 2018 | 2018 United States Senate election in West Virginia (2018) | — Hart Research Associates | — | 602 | V | — | Manchin 52 · Morrisey 40 | D+12 | — | — | Release |
| May 16, 2018 | 2018 United States Senate election in Missouri (2018) | B− Gravis Marketing | — | 822 | V | — | McCaskill 43 · Hawley 50 | R+7 | — | — | Release |
| May 10–15, 2018 | 2018 United States Senate election in Indiana (2018) | B− Gravis Marketing | — | 400 | V | — | Donnelly 46 · Braun 47 | R+1 | — | — | Release |
| May 10, 2018 | 2018 United States Senate election in West Virginia (2018) | B+ WPA Intelligence | — | 400 | V | — | Manchin 44 · Morrisey 46 | R+2 | — | — | Release |
| May 9–10, 2018 | 2018 United States Senate election in Missouri (2018) | — Missouri Scout/TJP Strategies | — | 898 | V | — | McCaskill 48 · Hawley 44 | D+4 | — | — | Release |
| May 4–7, 2018 | 2018 United States Senate election in Florida (2018)Not averaged | B Florida Atlantic University | — | 1,000 | RV | — | Nelson 40 · Scott 44 | R+4 | — | — | Release |
| May 4–7, 2018 | 2018 United States Senate election in Florida (2018) | B Florida Atlantic University | — | 728 | LV | — | Nelson 45 · Scott 45 | Even | — | — | Release |
| May 1–3, 2018 | 2018 United States Senate special election in Mississippi (2018) | B GS Strategy Group | — | 500 | V | — | Espy 22 · Hyde-Smith 30 | R+8 | — | — | Release |
| Apr 30–May 1, 2018 | 2018 United States Senate election in Tennessee (2018) | B+ Public Policy Polling | — | 609 | V | — | Bredesen 46 · Blackburn 43 | D+3 | — | — | Release |
| Apr 26–May 1, 2018 | 2018 United States Senate election in New York (2018) | A− Quinnipiac University | — | 1,076 | V | — | Gillibrand 58 · Farley 23 | D+35 | — | — | Release |
| Apr 1–30, 2018 | 2018 United States Senate election in Ohio (2018) | — Grassroots Targeting | — | 1,266 | V | — | Brown 41 · Renacci 40 | D+1 | — | — | Release |
| Apr 26–29, 2018 | 2018 United States Senate election in Missouri (2018) | A+ Emerson College | — | 600 | V | — | McCaskill 45 · Hawley 45 | Even | — | — | Release |
| Apr 2–23, 2018 | 2018 United States Senate election in Tennessee (2018) | C− SurveyMonkey | Axios | 1,638 | V | — | Bredesen 48 · Blackburn 47 | D+1 | — | — | Release |
| Apr 2–23, 2018 | 2018 United States Senate election in Arizona (2018) | C− SurveyMonkey | Axios | 1,667 | V | — | Sinema 51 · McSally 42 | D+9 | — | — | Release |
| Apr 19–20, 2018 | 2018 United States Senate election in Missouri (2018) | — Missouri Scout/TJP Strategies | — | 1,542 | V | — | McCaskill 48 · Hawley 44 | D+4 | — | — | Release |
| Apr 17–19, 2018 | 2018 United States Senate election in Tennessee (2018) | A Mason-Dixon Polling & Research, Inc. | — | 625 | V | — | Bredesen 46 · Blackburn 43 | D+3 | — | — | Release |
| Apr 16–18, 2018 | 2018 United States Senate election in Missouri (2018) | A− OnMessage Inc. | — | 600 | V | — | McCaskill 46 · Hawley 47 | R+1 | — | — | Release |
| Apr 12–17, 2018 | 2018 United States Senate election in Texas (2018) | A− Quinnipiac University | — | 1,029 | V | — | O'Rourke 44 · Cruz 47 | R+3 | — | — | Release |
| Apr 4–12, 2018 | 2018 United States Senate election in Pennsylvania (2018) | A Muhlenberg College | — | 414 | V | — | Jr. 48 · Barletta 32 | D+16 | — | — | Release |
| Apr 8–12, 2018 | 2018 United States Senate election in New York (2018) | A Siena College | — | 692 | V | — | Gillibrand 58 · Farley 27 | D+31 | — | — | Release |
| Apr 9–12, 2018 | 2018 United States Senate election in Missouri (2018) | C Global Strategy Group | — | — | V | — | McCaskill 46 · Hawley 44 | D+2 | — | — | Release |
| Apr 9–11, 2018 | 2018 United States Senate election in Tennessee (2018) | B+ Garin-Hart-Yang Research Group | — | 601 | V | — | Bredesen 51 · Blackburn 41 | D+10 | — | — | Release |
| Apr 10–11, 2018 | 2018 United States Senate special election in Mississippi (2018) | — Triumph Campaigns | — | 1,000 | V | — | Espy 33 · Hyde-Smith 33 | Even | — | — | Release |
| Apr 10–11, 2018 | 2018 United States Senate election in Mississippi (2018) | — Triumph Campaigns | — | 1,000 | V | — | Baria 31 · Wicker 48 | R+17 | — | — | Release |
| Apr 10–11, 2018 | 2018 United States Senate election in Florida (2018) | B+ Public Policy Polling | — | 661 | V | — | Nelson 50 · Scott 44 | D+6 | — | — | Release |
| Apr 10–11, 2018 | 2018 United States Senate election in Arizona (2018) | B OH Predictive Insights | — | 600 | V | — | Sinema 48 · McSally 42 | D+6 | — | — | Release |
| Apr 6–10, 2018 | 2018 United States Senate election in New Jersey (2018) | A− Monmouth University Polling Institute | — | 632 | V | — | Menendez 53 · Hugin 32 | D+21 | — | — | Release |
| Apr 4–6, 2018 | 2018 United States Senate election in Missouri (2018) | A Mason-Dixon Polling & Research, Inc. | — | 625 | V | — | McCaskill 45 · Hawley 44 | D+1 | — | — | Release |
| Mar 22–29, 2018 | 2018 United States Senate election in Tennessee (2018) | B+ Middle Tennessee State University | — | 600 | V | — | Bredesen 45 · Blackburn 35 | D+10 | — | — | Release |
| Mar 27, 2018 | 2018 United States Senate special election in Mississippi (2018) | C+ Chism Strategies | — | 603 | V | — | Espy 34 · Hyde-Smith 27 | D+7 | — | — | Release |
| Mar 19–26, 2018 | 2018 United States Senate election in Pennsylvania (2018) | B− Franklin & Marshall College | — | 423 | V | — | Jr. 43 · Barletta 25 | D+18 | — | — | Release |
| Mar 16–20, 2018 | 2018 United States Senate election in Ohio (2018) | A SurveyUSA | — | 1,408 | V | — | Brown 52 · Renacci 38 | D+14 | — | — | Release |
| Feb 26–Mar 19, 2018 | 2018 United States Senate election in Florida (2018) | B− Gravis Marketing | — | 2,212 | V | — | Nelson 44 · Scott 40 | D+4 | — | — | Release |
| Mar 16–18, 2018 | 2018 United States Senate election in Massachusetts (2018) | A MassINC Polling Group | — | 504 | V | — | Warren 55 · Diehl 20 | D+35 | — | — | Release |
| Mar 15–16, 2018 | 2018 United States Senate election in Wisconsin (2018) | B+ Public Policy Polling | Protect Our Care | 910 | V | — | Baldwin 51 · Vukmir 39 | D+12 | — | — | Release |
| Mar 15–16, 2018 | 2018 United States Senate election in Tennessee (2018) | B+ Public Policy Polling | — | 1,014 | V | — | Bredesen 46 · Blackburn 41 | D+5 | — | — | Release |
| Mar 15–16, 2018 | 2018 United States Senate election in Pennsylvania (2018) | B+ Public Policy Polling | — | 1,056 | V | — | Jr. 54 · Barletta 36 | D+18 | — | — | Release |
| Mar 11–16, 2018 | 2018 United States Senate election in New York (2018) | A Siena College | — | 772 | V | — | Gillibrand 60 · Farley 24 | D+36 | — | — | Release |
| Mar 15–16, 2018 | 2018 United States Senate election in Arizona (2018) | B+ Public Policy Polling | Protect Our Care | 547 | V | — | Sinema 46 · McSally 41 | D+5 | — | — | Release |
| Mar 10–13, 2018 | 2018 United States Senate election in Florida (2018) | C− McLaughlin & Associates | — | 800 | V | — | Nelson 46 · Scott 47 | R+1 | — | — | Release |
| Mar 8–12, 2018 | 2018 United States Senate election in New Jersey (2018) | A− Quinnipiac University | — | 1,052 | V | — | Menendez 49 · Hugin 32 | D+17 | — | — | Release |
| Feb 28–Mar 9, 2018 | 2018 United States Senate election in Ohio (2018) | C− Baldwin Wallace University | — | 1,011 | V | — | Brown 41 · Renacci 29 | D+12 | — | — | Release |
| Mar 5–7, 2018 | 2018 United States Senate election in Missouri (2018) | B− Gravis Marketing | — | 931 | V | — | McCaskill 42 · Hawley 40 | D+2 | — | — | Release |
| Mar 1–7, 2018 | 2018 United States Senate election in Florida (2018) | — Clearview Research | — | 750 | V | — | Nelson 41 · Scott 43 | R+2 | — | — | Release |
| Feb 12–Mar 5, 2018 | 2018 United States Senate election in Pennsylvania (2018) | C− SurveyMonkey | Axios | 2,165 | V | — | Jr. 52 · Barletta 43 | D+9 | — | — | Release |
| Feb 12–Mar 5, 2018 | 2018 United States Senate election in Ohio (2018) | C− SurveyMonkey | Axios | 1,995 | V | — | Brown 50 · Renacci 45 | D+5 | — | — | Release |
Showing 3,601–3,650 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)