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
Sep 9–18, 20242024 United States Senate election in Pennsylvania (2024)C Morning Consult—1,756LV—Jr. 49 · McCormick 40D+9——Release
Sep 12–18, 20242024 United States Senate election in Pennsylvania (2024)A MassINC Polling GroupSpotlight PA800LV—Jr. 49 · McCormick 42D+7——Release
Sep 15–18, 20242024 United States Senate election in Pennsylvania (2024)A+ Emerson CollegeThe Hill880LV—Jr. 47 · McCormick 42D+5——Release
Sep 9–18, 20242024 United States Senate election in Ohio (2024)C Morning Consult—1,488LV—Brown 46 · Moreno 44D+2——Release
Sep 12–18, 20242024 United States Senate election in New Mexico (2024)A SurveyUSAKOB619LV—Heinrich 47 · Domenici 34D+13——Release
Sep 9–18, 20242024 United States Senate election in Nevada (2024)C Morning Consult—474LV—Rosen 52 · Brown 39D+13——Release
Sep 15–18, 20242024 United States Senate election in Nevada (2024)A+ Emerson CollegeThe Hill895LV—Rosen 48 · Brown 41D+7——Release
Sep 16–18, 20242024 United States Senate election in Minnesota (2024)A Mason-Dixon Polling & Research, Inc.the Star Tribune, Minnesota Public Radio, and KARE800LV—Klobuchar 51 · White 40D+11——Release
Sep 9–18, 20242024 United States Senate election in Michigan (2024)C Morning Consult—1,297LV—Slotkin 51 · Rogers 37D+14——Release
Sep 14–18, 20242024 United States Senate election in Michigan (2024)A+ Tarrance GroupRogers' campaign607LV—Slotkin 49 · Rogers 47D+2——Release
Sep 15–18, 20242024 United States Senate election in Michigan (2024)A+ Emerson CollegeThe Hill875LV—Slotkin 47 · Rogers 42D+5——Release
Sep 12–18, 20242024 United States Senate election in Massachusetts (2024)A MassINC Polling GroupWBUR-FM and CommonWealth Beacon800LV—Warren 56 · Deaton 35D+21——Release
Sep 9–18, 20242024 United States Senate election in Maryland (2024)C Morning Consult—474LV—Alsobrooks 50 · Hogan 39D+11——Release
Sep 12–18, 20242024 United States Senate election in Connecticut (2024)A MassINC Polling GroupCT Mirror800LV—Murphy 51 · Corey 35D+16——Release
Sep 9–18, 20242024 United States Senate election in Arizona (2024)C Morning Consult—862LV—Gallego 53 · Lake 39D+14——Release
Sep 15–18, 20242024 United States Senate election in Arizona (2024)A+ Emerson CollegeThe Hill868LV—Gallego 48 · Lake 42D+6——Release
Sep 12–17, 20242024 United States Senate election in Wisconsin (2024)B+ Marist University—1,194LV—Baldwin 51 · Hovde 48D+3——Release
Sep 12–17, 20242024 United States Senate election in Wisconsin (2024)Not averagedB+ Marist University—1,312RV—Baldwin 52 · Hovde 46D+6——Release
Sep 12–17, 20242024 United States Senate election in Pennsylvania (2024)B+ Marist University—1,476LV—Jr. 52 · McCormick 47D+5——Release
Sep 12–17, 20242024 United States Senate election in Pennsylvania (2024)Not averagedB+ Marist University—1,663RV—Jr. 52 · McCormick 46D+6——Release
Sep 12–17, 20242024 United States Senate election in Michigan (2024)B+ Marist University—1,138LV—Slotkin 52 · Rogers 45D+7——Release
Sep 12–17, 20242024 United States Senate election in Michigan (2024)Not averagedB+ Marist University—1,282RV—Slotkin 51 · Rogers 45D+6——Release
Sep 16–17, 20242024 United States Senate election in Maryland (2024)Not averagedB+ Public Policy Polling—543RV—Alsobrooks 50 · Hogan 33D+17——Release
Sep 16–17, 20242024 United States Senate election in Maryland (2024)B+ Public Policy Polling—543RV—Alsobrooks 52 · Hogan 37D+15——Release
Sep 12–16, 20242024 United States Senate election in Wisconsin (2024)A− Quinnipiac University—1,075LV—Baldwin 51 · Hovde 47D+4——Release
Sep 12–16, 20242024 United States Senate election in Rhode Island (2024)C University of New Hampshire—683LV—Whitehouse 51 · Morgan 33D+18——Release
Sep 11–16, 20242024 United States Senate election in Pennsylvania (2024)A The New York Times/Siena UniversityThe Philadelphia Inquirer1,082LV—Jr. 49 · McCormick 40D+9——Release
Sep 11–16, 20242024 United States Senate election in Pennsylvania (2024)Not averagedA The New York Times/Siena UniversityThe Philadelphia Inquirer1,082RV—Jr. 48 · McCormick 39D+9——Release
Sep 12–16, 20242024 United States Senate election in Pennsylvania (2024)Not averagedA− The Washington Post—1,003LV—Jr. 48 · McCormick 48Even——Release
Sep 12–16, 20242024 United States Senate election in Pennsylvania (2024)A− The Washington Post—1,003LV—Jr. 47 · McCormick 46D+1——Release
Sep 12–16, 20242024 United States Senate election in Pennsylvania (2024)A− Quinnipiac University—1,331LV—Jr. 52 · McCormick 43D+9——Release
Sep 11–16, 20242024 United States Senate election in New York (2024)A Siena College—1,003LV—Gillibrand 54 · Sapraicone 31D+23——Release
Sep 9–16, 20242024 United States Senate election in Nevada (2024)Not averagedA Noble Predictive Insights—812RV—Rosen 49 · Brown 33D+16——Release
Sep 9–16, 20242024 United States Senate election in Nevada (2024)Not averagedA Noble Predictive Insights—812RV—Rosen 52 · Brown 34D+18——Release
Sep 9–16, 20242024 United States Senate election in Nevada (2024)Not averagedA Noble Predictive Insights—692LV—Rosen 50 · Brown 36D+14——Release
Sep 9–16, 20242024 United States Senate election in Nevada (2024)A Noble Predictive Insights—692LV—Rosen 53 · Brown 38D+15——Release
Sep 12–16, 20242024 United States Senate election in Michigan (2024)A− Quinnipiac University—905LV—Slotkin 51 · Rogers 46D+5——Release
Sep 12–16, 20242024 United States Senate election in Massachusetts (2024)C University of New Hampshire—564LV—Warren 58 · Deaton 32D+26——Release
Sep 4–15, 20242024 United States Senate election in Pennsylvania (2024)B− Franklin & Marshall College—890RV—Jr. 48 · McCormick 40D+8——Release
Sep 14–15, 20242024 United States Senate election in Pennsylvania (2024)B InsiderAdvantage—800LV—Jr. 49 · McCormick 44D+5——Release
Sep 5–15, 20242024 United States Senate election in Maine (2024)B Pan Atlantic Research—812LV—Costello 8 · Kouzounas 23R+15——Release
Sep 11–14, 20242024 United States Senate election in Wisconsin (2024)B Fabrizio Ward/Impact ResearchAARP600LV—Baldwin 50 · Hovde 47D+3——Release
Sep 11–14, 20242024 United States Senate election in Pennsylvania (2024)A Suffolk UniversityUSA Today500LV—Jr. 47 · McCormick 43D+4——Release
Sep 6–13, 20242024 United States Senate election in New Mexico (2024)A+ Research & Polling Inc.The Albuquerque Journal532LV—Heinrich 50 · Domenici 38D+12——Release
Sep 11–13, 20242024 United States Senate election in Nevada (2024)B Trafalgar Group—1,079LV—Rosen 48 · Brown 40D+8——Release
Sep 11–13, 20242024 United States Senate election in Missouri (2024)B+ Change Research—1,237RV—Kunce 41 · Hawley 46R+5——Release
Sep 12–13, 20242024 United States Senate election in Missouri (2024)A+ Emerson CollegeThe Hill850LV—Kunce 40 · Hawley 51R+11——Release
Sep 12–13, 20242024 United States Senate election in Maryland (2024)A+ Emerson CollegeNexstar Media Group890LV—Alsobrooks 49 · Hogan 42D+7——Release
Sep 12–13, 20242024 United States Senate election in Indiana (2024)A+ Emerson CollegeThe Hill1,000LV—McCray 33 · Banks 47R+14——Release
Sep 6–12, 20242024 United States Senate election in Missouri (2024)Not averagedC+ GQRKunce's campaign645LV—Kunce 48 · Hawley 52R+4——Release
Showing 1,151–1,200 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)