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.
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 18–20, 2024 | 2024 United States Senate election in Montana (2024) | B Public Opinion Strategies | the Montana Republican Party | 500 | LV | — | Tester 44 · Sheehy 51 | R+7 | — | — | Release |
| Aug 14–20, 2024 | 2024 United States Senate election in Maryland (2024) | B Fabrizio Ward/Impact Research | AARP | 700 | LV | — | Alsobrooks 46 · Hogan 46 | Even | — | — | Release |
| Aug 15–19, 2024 | 2024 United States Senate election in Maine (2024) | C University of New Hampshire | — | 951 | LV | — | Costello 9 · Kouzounas 33 | R+24 | — | — | Release |
| Aug 13–18, 2024 | 2024 United States Senate election in Nevada (2024) | B+ Rasmussen Reports | NumbersUSA | 980 | LV | — | Rosen 50 · Brown 39 | D+11 | — | — | Release |
| Aug 13–17, 2024 | 2024 United States Senate election in Ohio (2024) | B+ Rasmussen Reports | NumbersUSA | 1,267 | LV | — | Brown 47 · Moreno 42 | D+5 | — | — | Release |
| Aug 12–16, 2024 | 2024 United States Senate election in Virginia (2024) | B− Roanoke College | — | 691 | LV | — | Kaine 49 · Cao 38 | D+11 | — | — | Release |
| Aug 5–16, 2024 | 2024 United States Senate election in Texas (2024) | B YouGov | the University of Houston and Texas Southern University | 1,365 | LV | — | Allred 45 · Cruz 47 | R+2 | — | — | Release |
| Aug 8–16, 2024 | 2024 United States Senate election in Missouri (2024) | B YouGov | Saint Louis University | 900 | LV | — | Kunce 42 · Hawley 53 | R+11 | — | — | Release |
| Aug 12–16, 2024 | 2024 United States Senate election in Arizona (2024) | A Noble Predictive Insights | — | 1,003 | RV | — | Gallego 47 · Lake 40 | D+7 | — | — | Release |
| Aug 12–15, 2024 | 2024 United States Senate election in Pennsylvania (2024) | C− Redfield & Wilton Strategies | The Daily Telegraph | 825 | LV | — | Jr. 44 · McCormick 36 | D+8 | — | — | Release |
| Aug 14–15, 2024 | 2024 United States Senate election in Pennsylvania (2024)Not averaged | A+ Cygnal | — | 800 | LV | — | Jr. 42 · McCormick 38 | D+4 | — | — | Release |
| Aug 14–15, 2024 | 2024 United States Senate election in Pennsylvania (2024) | A+ Cygnal | — | 800 | LV | — | Jr. 46 · McCormick 42 | D+4 | — | — | Release |
| Aug 12–15, 2024 | 2024 United States Senate election in New Mexico (2024) | C− Redfield & Wilton Strategies | The Daily Telegraph | 453 | LV | — | Heinrich 42 · Domenici 36 | D+6 | — | — | Release |
| Aug 13–15, 2024 | 2024 United States Senate election in New Jersey (2024) | B National Research | Bashaw's campaign | 600 | LV | — | Kim 38 · Bashaw 33 | D+5 | — | — | Release |
| Aug 12–15, 2024 | 2024 United States Senate election in Nevada (2024) | A The New York Times/Siena University | — | 677 | LV | — | Rosen 49 · Brown 40 | D+9 | — | — | Release |
| Aug 12–15, 2024 | 2024 United States Senate election in Nevada (2024)Not averaged | A The New York Times/Siena University | — | 677 | RV | — | Rosen 48 · Brown 37 | D+11 | — | — | Release |
| Aug 12–15, 2024 | 2024 United States Senate election in Nevada (2024) | C− Redfield & Wilton Strategies | The Daily Telegraph | 536 | LV | — | Rosen 41 · Brown 37 | D+4 | — | — | Release |
| Aug 8–15, 2024 | 2024 United States Senate election in Arizona (2024) | A The New York Times/Siena University | — | 677 | LV | — | Gallego 51 · Lake 42 | D+9 | — | — | Release |
| Aug 8–15, 2024 | 2024 United States Senate election in Arizona (2024)Not averaged | A The New York Times/Siena University | — | 677 | RV | — | Gallego 49 · Lake 41 | D+8 | — | — | Release |
| Aug 12–15, 2024 | 2024 United States Senate election in Arizona (2024) | C− Redfield & Wilton Strategies | The Daily Telegraph | 592 | LV | — | Gallego 44 · Lake 39 | D+5 | — | — | Release |
| Aug 12–14, 2024 | 2024 United States Senate election in Wisconsin (2024) | A− TIPP Insights | American Greatness | 976 | LV | — | Baldwin 50 · Hovde 43 | D+7 | — | — | Release |
| Aug 12–14, 2024 | 2024 United States Senate election in Wisconsin (2024)Not averaged | A− TIPP Insights | American Greatness | 1,015 | RV | — | Baldwin 50 · Hovde 42 | D+8 | — | — | Release |
| Aug 13–14, 2024 | 2024 United States Senate election in Pennsylvania (2024) | A+ Emerson College | — | 1,000 | LV | — | Jr. 48 · McCormick 44 | D+4 | — | — | Release |
| Aug 7–14, 2024 | 2024 United States Senate election in Nevada (2024) | A− Strategies 360 | — | 350 | RV | — | Rosen 50 · Brown 38 | D+12 | — | — | Release |
| Aug 6–14, 2024 | 2024 United States Senate election in Montana (2024) | B+ RMG Research | the Napolitan Institute | 540 | RV | — | Tester 49 · Sheehy 44 | D+5 | — | — | Release |
| Aug 8–12, 2024 | 2024 United States Senate election in Pennsylvania (2024) | A− Quinnipiac University | — | 1,738 | LV | — | Jr. 52 · McCormick 44 | D+8 | — | — | Release |
| Jul 20–Aug 12, 2024 | 2024 United States Senate election in Ohio (2024) | A− ActiVote | — | 400 | LV | — | Brown 52 · Moreno 48 | D+5 | — | — | Release |
| Aug 10–12, 2024 | 2024 United States Senate election in Montana (2024) | C American Pulse Research & Polling | KULR-TV | 538 | RV | — | Tester 45 · Sheehy 51 | R+6 | — | — | Release |
| Jul 16–Aug 12, 2024 | 2024 United States Senate elections in California (2024) | A− ActiVote | — | 400 | LV | — | Schiff 66 · Garvey 34 | D+32 | — | — | Release |
| Aug 8–11, 2024 | 2024 United States Senate election in Wisconsin (2024) | C− The Bullfinch Group | The Independent Center | 500 | RV | — | Baldwin 50 · Hovde 41 | D+9 | — | — | Release |
| Jul 31–Aug 11, 2024 | 2024 United States Senate election in Pennsylvania (2024) | B− Franklin & Marshall College | — | 920 | RV | — | Jr. 48 · McCormick 36 | D+12 | — | — | Release |
| Aug 8–11, 2024 | 2024 United States Senate election in Pennsylvania (2024) | C− The Bullfinch Group | the Independent Center | 500 | RV | — | Jr. 51 · McCormick 39 | D+12 | — | — | Release |
| Aug 7–11, 2024 | 2024 United States Senate election in Michigan (2024) | B Fabrizio Ward/Impact Research | AARP | 600 | RV | — | Slotkin 47 · Rogers 44 | D+3 | — | — | Release |
| Aug 8–11, 2024 | 2024 United States Senate election in Michigan (2024) | C− The Bullfinch Group | the Independent Center | 500 | RV | — | Slotkin 48 · Rogers 38 | D+10 | — | — | Release |
| Jul 31–Aug 11, 2024 | 2024 United States Senate elections in California (2024) | B− UC Berkeley | the Los Angeles Times | 3,765 | LV | — | Schiff 53 · Garvey 33 | D+20 | — | — | Release |
| Aug 2–9, 2024 | 2024 United States Senate election in Utah (2024)Not averaged | D HarrisX | Deseret News and the Hinckley Institute of Politics | 800 | RV | — | Gleich 29 · Curtis 71 | R+42 | — | — | Release |
| Aug 2–9, 2024 | 2024 United States Senate election in Utah (2024) | D HarrisX | Deseret News and the Hinckley Institute of Politics | 800 | RV | — | Gleich 22 · Curtis 56 | R+34 | — | — | Release |
| Aug 6–9, 2024 | 2024 United States Senate election in Pennsylvania (2024) | A The New York Times/Siena University | — | 693 | LV | — | Jr. 51 · McCormick 37 | D+14 | — | — | Release |
| Aug 6–9, 2024 | 2024 United States Senate election in Pennsylvania (2024)Not averaged | A The New York Times/Siena University | — | 693 | RV | — | Jr. 50 · McCormick 36 | D+14 | — | — | Release |
| Aug 5–8, 2024 | 2024 United States Senate election in Wisconsin (2024) | A The New York Times/Siena University | — | 661 | LV | — | Baldwin 51 · Hovde 44 | D+7 | — | — | Release |
| Aug 5–8, 2024 | 2024 United States Senate election in Wisconsin (2024)Not averaged | A The New York Times/Siena University | — | 661 | RV | — | Baldwin 51 · Hovde 43 | D+8 | — | — | Release |
| Aug 5–8, 2024 | 2024 United States Senate election in Michigan (2024) | A The New York Times/Siena University | — | 619 | LV | — | Slotkin 46 · Rogers 43 | D+3 | — | — | Release |
| Aug 5–8, 2024 | 2024 United States Senate election in Michigan (2024)Not averaged | A The New York Times/Siena University | — | 619 | RV | — | Slotkin 42 · Rogers 41 | D+1 | — | — | Release |
| Aug 5–6, 2024 | 2024 United States Senate election in Montana (2024) | A+ Emerson College | The Hill | 1,000 | LV | — | Tester 46 · Sheehy 48 | R+2 | — | — | Release |
| Jul 8–Aug 5, 2024 | 2024 United States Senate election in New York (2024) | A− ActiVote | — | 400 | LV | — | Gillibrand 63 · Sapraicone 37 | D+26 | — | — | Release |
| Aug 3–5, 2024 | 2024 United States Senate election in Nevada (2024) | — Providence Polling | — | 991 | LV | — | Rosen 52 · Brown 40 | D+12 | — | — | Release |
| Jul 30–Aug 5, 2024 | 2024 United States Senate election in Arizona (2024) | C HighGround Public Affairs | — | 500 | LV | — | Gallego 50 · Lake 39 | D+11 | — | — | Release |
| Jul 31–Aug 5, 2024 | 2024 United States Senate election in Arizona (2024) | — Peak Insights | the National Republican Senatorial Committee | 800 | LV | — | Gallego 46 · Lake 46 | Even | — | — | Release |
| Jul 31–Aug 3, 2024 | 2024 United States Senate election in Pennsylvania (2024) | C− Redfield & Wilton Strategies | The Daily Telegraph | 743 | LV | — | Jr. 45 · McCormick 40 | D+5 | — | — | Release |
| Jul 31–Aug 3, 2024 | 2024 United States Senate election in New Mexico (2024) | C− Redfield & Wilton Strategies | The Daily Telegraph | 493 | LV | — | Heinrich 40 · Domenici 34 | D+6 | — | — | Release |
Showing 1,301–1,350 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)