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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4,582

Senate 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

DatesQuestionPollsterSponsorSamplePop.ModeResultMarginAdjustedvs resultSource
May 6–13, 20242024 United States Senate election in Pennsylvania (2024)C+ BSG/GS Strategy GroupThe Cook Political Report730LV—Jr. 49 · McCormick 41D+8——Release
May 6–13, 20242024 United States Senate election in Arizona (2024)C+ BSG/GS Strategy GroupThe Cook Political Report527LV—Gallego 46 · Lake 41D+5——Release
Apr 28–May 9, 20242024 United States Senate election in Wisconsin (2024)A The New York Times/Siena University—614LV—Baldwin 49 · Hovde 42D+7——Release
Apr 28–May 9, 20242024 United States Senate election in Wisconsin (2024)Not averagedA The New York Times/Siena University—614RV—Baldwin 49 · Hovde 40D+9——Release
Apr 26–May 9, 20242024 United States Senate election in Tennessee (2024)C SSRSVanderbilt University1,003RV—Johnson 40 · Blackburn 51R+11——Release
Apr 28–May 9, 20242024 United States Senate election in Pennsylvania (2024)A The New York Times/Siena UniversityThe Philadelphia Inquirer1,023LV—Jr. 46 · McCormick 44D+2——Release
Apr 28–May 9, 20242024 United States Senate election in Pennsylvania (2024)Not averagedA The New York Times/Siena UniversityThe Philadelphia Inquirer1,023RV—Jr. 46 · McCormick 41D+5——Release
Apr 28–May 9, 20242024 United States Senate election in Nevada (2024)A The New York Times/Siena University—614LV—Rosen 41 · Brown 41Even——Release
Apr 28–May 9, 20242024 United States Senate election in Nevada (2024)Not averagedA The New York Times/Siena University—614RV—Rosen 40 · Brown 38D+2——Release
Apr 28–May 9, 20242024 United States Senate election in Arizona (2024)A The New York Times/Siena University—626LV—Gallego 46 · Lake 43D+3——Release
Apr 28–May 9, 20242024 United States Senate election in Arizona (2024)Not averagedA The New York Times/Siena University—626RV—Gallego 45 · Lake 41D+4——Release
May 6–8, 20242024 United States Senate election in Maryland (2024)A+ Emerson CollegeNexstar Media Group1,115RV—Alsobrooks 48 · Hogan 38D+10——Release
May 6–7, 20242024 United States Senate election in Maryland (2024)B+ Public Policy PollingEMILY's List719RV—Alsobrooks 46 · Hogan 37D+9——Release
May 2–6, 20242024 United States Senate election in Wisconsin (2024)A− Quinnipiac University—1,457RV—Baldwin 54 · Hovde 42D+12——Release
Apr 24–30, 20242024 United States Senate election in Pennsylvania (2024)B Fabrizio Ward/Impact ResearchAARP1,398LV—Jr. 48 · McCormick 44D+4——Release
Apr 8–30, 20242024 United States Senate election in Maine (2024)C− Digital Research—609RV—Costello 12 · Kouzounas 28R+16——Release
Apr 25–29, 20242024 United States Senate election in Wisconsin (2024)A+ Emerson CollegeThe Hill1,000RV—Baldwin 46 · Hovde 43D+3——Release
Apr 25–29, 20242024 United States Senate election in Pennsylvania (2024)A+ Emerson CollegeThe Hill1,000RV—Jr. 46 · McCormick 42D+4——Release
Apr 25–29, 20242024 United States Senate election in Nevada (2024)A+ Emerson CollegeThe Hill1,000RV—Rosen 45 · Brown 37D+8——Release
Apr 25–29, 20242024 United States Senate election in Michigan (2024)A+ Emerson CollegeThe Hill1,000RV—Slotkin 42 · Rogers 40D+2——Release
Apr 25–29, 20242024 United States Senate election in Arizona (2024)A+ Emerson CollegeThe Hill1,000RV—Gallego 45 · Lake 43D+2——Release
Apr 27–29, 20242024 United States Senate election in Arizona (2024)A− Data Orbital—550LV—Gallego 48 · Lake 44D+4——Release
Apr 26–28, 20242024 United States Senate election in Virginia (2024)B Fabrizio Ward/Impact ResearchVirginians Against Neighborhood Slot Machines500RV—Kaine 48 · Cao 36D+12——Release
Apr 19–25, 20242024 United States Senate election in Wisconsin (2024)B− CBS News/YouGov—1,245LV—Baldwin 48 · Hovde 41D+7——Release
Apr 15–25, 20242024 United States Senate election in Pennsylvania (2024)A Muhlenberg College—417RV—Jr. 45 · McCormick 41D+4——Release
Apr 19–25, 20242024 United States Senate election in Pennsylvania (2024)B− CBS News/YouGov—1,306LV—Jr. 46 · McCormick 39D+7——Release
Apr 24–25, 20242024 United States Senate election in Michigan (2024)B Glengariff Groupthe Detroit Regional Chamber600RV—Slotkin 40 · Rogers 37D+3——Release
Apr 12–22, 20242024 United States Senate election in Texas (2024)B YouGovthe Texas Politics Project at the University of Texas1,200RV—Allred 33 · Cruz 46R+13——Release
Apr 12–21, 20242024 United States Senate election in Texas (2024)— Texas Lyceum—926RV—Allred 31 · Cruz 41R+10——Release
Apr 3–10, 20242024 United States Senate election in Wisconsin (2024)B+ Marquette University—736LV—Baldwin 50 · Hovde 50Even——Release
Apr 3–10, 20242024 United States Senate election in Wisconsin (2024)Not averagedB+ Marquette University—814RV—Baldwin 52 · Hovde 47D+5——Release
Apr 5–10, 20242024 United States Senate election in Texas (2024)— Texas Hispanic Policy Foundation—1,600LV—Allred 41 · Cruz 46R+5——Release
Apr 7–10, 20242024 United States Senate election in Maryland (2024)B− OpinionWorksThe Baltimore Sun and WBFF1,292LV—Alsobrooks 36 · Hogan 54R+18——Release
Apr 1–8, 20242024 United States Senate election in New Jersey (2024)B Fairleigh Dickinson University—809RV—Kim 47 · Bashaw 38D+9——Release
Apr 4–6, 20242024 United States Senate election in Texas (2024)A+ Cygnal—1,000RV—Allred 36 · Cruz 45R+9——Release
Mar 29–Apr 3, 20242024 United States Senate election in Pennsylvania (2024)C− The Bullfinch Groupthe Independent Center600RV—Jr. 45 · McCormick 38D+7——Release
Mar 15–Apr 2, 20242024 United States Senate election in Tennessee (2024)D Targoz Market Researchthe Beacon Center of Tennessee955LV—Johnson 29 · Blackburn 45R+16——Release
Mar 20–31, 20242024 United States Senate election in Pennsylvania (2024)B− Franklin & Marshall College—431RV—Jr. 46 · McCormick 39D+7——Release
Mar 1–31, 20242024 United States Senate election in Pennsylvania (2024)— National Public Affairs—759LV—Jr. 32 · McCormick 28D+4——Release
Mar 1–31, 20242024 United States Senate election in New Mexico (2024)B 1892 Pollingthe National Republican Senatorial Committee600LV—Heinrich 48 · Domenici 36D+12——Release
Mar 28–31, 20242024 United States Senate election in Arizona (2024)D RABA Research—503RV—Gallego 36 · Lake 28D+8——Release
Mar 26–29, 20242024 United States Senate election in Montana (2024)C+ J.L. Partners—503LV—Tester 45 · Sheehy 48R+3——Release
Mar 22–26, 20242024 United States Senate election in Pennsylvania (2024)C− The Bullfinch Groupthe Commonwealth Foundation800RV—Jr. 47 · McCormick 30D+17——Release
Mar 19–25, 20242024 United States Senate elections in California (2024)B Public Policy Institute of California—1,089LV—Schiff 61 · Garvey 37D+24——Release
Mar 19–24, 20242024 United States Senate election in Maryland (2024)— Goucher CollegeThe Baltimore Banner800RV—Alsobrooks 40 · Hogan 44R+4——Release
Mar 18–21, 20242024 United States Senate election in Washington (2024)A Echelon InsightsConcerned Taxpayers of Washington State PAC600RV—Cantwell 44 · Garcia 36D+8——Release
Mar 18–21, 20242024 United States Senate election in Texas (2024)B+ Marist University—1,117RV—Allred 45 · Cruz 51R+6——Release
Mar 14–18, 20242024 United States Senate election in Wisconsin (2024)A+ Emerson College—1,000RV—Baldwin 45 · Hovde 42D+3——Release
Mar 14–18, 20242024 United States Senate election in Michigan (2024)A+ Emerson CollegeThe Hill1,000RV—Slotkin 41 · Rogers 39D+2——Release
Mar 15–16, 20242024 United States Senate election in Michigan (2024)B+ Mitchell Research & Communicationsthe Michigan Information and Research Service627LV—Slotkin 37 · Rogers 37Even——Release
Showing 1,501–1,550 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)