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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 13–15, 2024 | 2024 United States Senate election in Ohio (2024) | C+ Mainstreet Research/FAU | — | 818 | RV | — | Brown 47 · Moreno 36 | D+11 | — | — | Release |
| Mar 12–15, 2024 | 2024 United States Senate election in Nevada (2024) | A+ Emerson College | — | 1,000 | RV | — | Rosen 41 · Brown 39 | D+2 | — | — | Release |
| Mar 12–15, 2024 | 2024 United States Senate election in Arizona (2024) | A+ Emerson College | — | 1,000 | RV | — | Gallego 44 · Lake 40 | D+4 | — | — | Release |
| Mar 10–13, 2024 | 2024 United States Senate election in Pennsylvania (2024) | A+ Emerson College | — | 1,000 | RV | — | Jr. 52 · McCormick 48 | D+4 | — | — | Release |
| Mar 5–12, 2024 | 2024 United States Senate election in Maryland (2024) | B− Braun Research | The Washington Post and the University of Maryland | 1,004 | RV | — | Alsobrooks 36 · Hogan 50 | R+14 | — | — | Release |
| Mar 6–11, 2024 | 2024 United States Senate election in Ohio (2024) | A SurveyUSA | the Ohio Northern University Institute for Civics and Public Policy | 533 | LV | — | Brown 43 · Moreno 37 | D+6 | — | — | Release |
| Mar 8–11, 2024 | 2024 United States Senate election in Ohio (2024) | A− East Carolina University | — | 1,298 | LV | — | Brown 45 · Moreno 41 | D+4 | — | — | Release |
| Mar 7–10, 2024 | 2024 United States Senate election in Ohio (2024) | A+ Emerson College | — | 1,300 | RV | — | Brown 39 · Moreno 34 | D+5 | — | — | Release |
| Mar 6–8, 2024 | 2024 United States Senate election in Missouri (2024) | C+ Remington | the Missouri Scout | 713 | LV | — | Kunce 39 · Hawley 53 | R+14 | — | — | Release |
| Feb 27–Mar 7, 2024 | 2024 United States Senate election in Pennsylvania (2024) | B Susquehanna Polling & Research, Inc. | — | 450 | LV | — | Jr. 48 · McCormick 42 | D+6 | — | — | Release |
| Feb 27–Mar 5, 2024 | 2024 United States Senate election in Nevada (2024) | A Noble Predictive Insights | — | 829 | RV | — | Rosen 41 · Brown 35 | D+6 | — | — | Release |
| Feb 26–Mar 2, 2024 | 2024 United States Senate election in Montana (2024) | A+ Emerson College | The Hill | 1,000 | RV | — | Tester 44 · Sheehy 42 | D+2 | — | — | Release |
| Feb 18–26, 2024 | 2024 United States Senate election in Texas (2024) | C+ UT Tyler | — | 1,167 | RV | — | Allred 41 · Cruz 41 | Even | — | — | Release |
| Feb 22–26, 2024 | 2024 United States Senate elections in California (2024) | B− UC Berkeley | the Los Angeles Times | 3,304 | LV | — | Schiff 53 · Garvey 38 | D+15 | — | — | Release |
| Feb 21–26, 2024 | 2024 United States Senate election in Arizona (2024) | B+ Rasmussen Reports | the Bull Moose Project | 1,000 | LV | — | Gallego 42 · Lake 45 | R+3 | — | — | Release |
| Feb 20–24, 2024 | 2024 United States Senate election in Wisconsin (2024) | A+ Emerson College | — | 1,000 | RV | — | Baldwin 46 · Hovde 39 | D+7 | — | — | Release |
| Feb 16–19, 2024 | 2024 United States Senate election in Nevada (2024) | A+ Emerson College | — | 1,000 | RV | — | Rosen 40 · Brown 38 | D+2 | — | — | Release |
| Feb 16–19, 2024 | 2024 United States Senate election in Arizona (2024) | A+ Emerson College | The Hill | 1,000 | RV | — | Gallego 46 · Lake 39 | D+7 | — | — | Release |
| Feb 13–18, 2024 | 2024 United States Senate election in Michigan (2024) | A− EPIC-MRA | — | 600 | LV | — | Slotkin 39 · Rogers 38 | D+1 | — | — | Release |
| Feb 14–16, 2024 | 2024 United States Senate election in Pennsylvania (2024) | A+ Emerson College | — | 1,000 | RV | — | Jr. 49 · McCormick 39 | D+10 | — | — | Release |
| Feb 12–15, 2024 | 2024 United States Senate election in Montana (2024) | A SurveyUSA | KULR-TV | 549 | LV | — | Tester 49 · Sheehy 40 | D+9 | — | — | Release |
| Feb 13–14, 2024 | 2024 United States Senate election in Washington (2024) | B+ Public Policy Polling | the Northwest Progressive Institute | 789 | LV | — | Cantwell 53 · Garcia 37 | D+16 | — | — | Release |
| Feb 12–13, 2024 | 2024 United States Senate election in Maryland (2024) | A+ Emerson College | Nexstar Media Group | 1,000 | RV | — | Alsobrooks 37 · Hogan 44 | R+7 | — | — | Release |
| Feb 6–13, 2024 | 2024 United States Senate election in Arizona (2024) | A Noble Predictive Insights | — | 1,002 | RV | — | Gallego 47 · Lake 37 | D+10 | — | — | Release |
| Feb 2–12, 2024 | 2024 United States Senate election in Texas (2024) | B YouGov | the Texas Politics Project at the University of Texas | 1,200 | RV | — | Allred 32 · Cruz 46 | R+14 | — | — | Release |
| Feb 6–8, 2024 | 2024 United States Senate election in Texas (2024) | — National Public Affairs | — | 807 | LV | — | Allred 44 · Cruz 44 | Even | — | — | Release |
| Feb 6–8, 2024 | 2024 United States Senate election in Pennsylvania (2024) | C+ Chism Strategies | — | 500 | RV | — | Jr. 38 · McCormick 37 | D+1 | — | — | Release |
| Jan 30–Feb 1, 2024 | 2024 United States Senate election in Maryland (2024) | B+ Ragnar Research Partners | the National Republican Senatorial Committee | 600 | LV | — | Alsobrooks 29 · Hogan 52 | R+23 | — | — | Release |
| Jan 29–Feb 1, 2024 | 2024 United States Senate election in Arizona (2024) | C+ J.L. Partners | Lake's campaign | 500 | RV | — | Gallego 44 · Lake 46 | R+2 | — | — | Release |
| Jan 17–28, 2024 | 2024 United States Senate election in Pennsylvania (2024) | B− Franklin & Marshall College | — | 1,006 | RV | — | Jr. 47 · McCormick 35 | D+12 | — | — | Release |
| Jan 23–28, 2024 | 2024 United States Senate election in Missouri (2024) | A+ Emerson College | — | 1,830 | RV | — | Kunce 30 · Hawley 43 | R+13 | — | — | Release |
| Jan 22–25, 2024 | 2024 United States Senate election in Pennsylvania (2024) | B Public Opinion Strategies | McCormick's campaign | 800 | LV | — | Jr. 47 · McCormick 40 | D+7 | — | — | Release |
| Jan 23–25, 2024 | 2024 United States Senate election in Ohio (2024) | A+ Emerson College | — | 1,844 | RV | — | Brown 39 · Moreno 37 | D+2 | — | — | Release |
| Jan 11–24, 2024 | 2024 United States Senate election in Texas (2024) | B YouGov | the Hobby School of Public Affairs at the University of Houston | 1,145 | RV | — | Allred 39 · Cruz 48 | R+9 | — | — | Release |
| Jan 15–21, 2024 | 2024 United States Senate election in Pennsylvania (2024) | B Susquehanna Polling & Research, Inc. | — | 745 | LV | — | Jr. 46 · McCormick 42 | D+4 | — | — | Release |
| Jan 13–15, 2024 | 2024 United States Senate election in Texas (2024) | A+ Emerson College | Nexstar Media Group | 1,315 | RV | — | Allred 40 · Cruz 42 | R+2 | — | — | Release |
| Jan 4–8, 2024 | 2024 United States Senate election in Pennsylvania (2024) | A− Quinnipiac University | — | 1,680 | RV | — | Jr. 53 · McCormick 43 | D+10 | — | — | Release |
| Jan 2–6, 2024 | 2024 United States Senate election in Michigan (2024) | B Glengariff Group | The Detroit News and WDIV-TV | 600 | LV | — | Slotkin 38 · Rogers 37 | D+1 | — | — | Release |
| Jan 5–6, 2024 | 2024 United States Senate election in Arizona (2024) | B+ Public Policy Polling | Replace Sinema PAC | 590 | V | — | Gallego 45 · Lake 46 | R+1 | — | — | Release |
| Dec 8–12, 2023 | 2024 United States Senate election in Pennsylvania (2024) | C− The Bullfinch Group | the Commonwealth Foundation | 800 | RV | — | Jr. 42 · McCormick 27 | D+15 | — | — | Release |
| Dec 1–10, 2023 | 2024 United States Senate election in Texas (2024) | B YouGov | the Texas Politics Project at the University of Texas | 1,200 | RV | — | Allred 27 · Cruz 43 | R+16 | — | — | Release |
| Dec 3–7, 2023 | 2024 United States Senate election in Pennsylvania (2024) | B+ Change Research | Future Majority | 2,532 | RV | — | Jr. 44 · McCormick 41 | D+3 | — | — | Release |
| Dec 3–7, 2023 | 2024 United States Senate election in Nevada (2024) | B+ Change Research | — | 2,532 | V | — | Rosen 39 · Brown 38 | D+1 | — | — | Release |
| Nov 10–16, 2023 | 2024 United States Senate election in Michigan (2024) | A− EPIC-MRA | — | 600 | LV | — | Slotkin 39 · Rogers 37 | D+2 | — | — | Release |
| Nov 14–15, 2023 | 2024 United States Senate election in Washington (2024) | B+ Public Policy Polling | the Northwest Progressive Institute | 700 | LV | — | Cantwell 51 · Garcia 38 | D+13 | — | — | Release |
| Nov 10–13, 2023 | 2024 United States Senate election in Ohio (2024) | A+ Emerson College | WGW-TV | 1,000 | RV | — | Brown 42 · Moreno 32 | D+10 | — | — | Release |
| Nov 9–13, 2023 | 2024 United States Senate election in Maryland (2024) | B− Victoria Research | Perry, White, Ross & Jacobson LLC | 813 | LV | — | Alsobrooks 36 · Hogan 42 | R+6 | — | — | Release |
| Oct 30–Nov 3, 2023 | 2024 United States Senate election in Washington (2024) | B− Elway Research | Crosscut.com | 403 | RV | — | Cantwell 43 · Garcia 23 | D+20 | — | — | Release |
| Oct 31–Nov 2, 2023 | 2024 United States Senate election in Ohio (2024) | B Data for Progress | — | 597 | LV | — | Brown 47 · Moreno 44 | D+3 | — | — | Release |
| Oct 26–31, 2023 | 2024 United States Senate election in Missouri (2024) | — Show Me Victories | — | 407 | RV | — | Kunce 42 · Hawley 46 | R+4 | — | — | Release |
Showing 1,551–1,600 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)