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
Jun 19–20, 20242024 United States Senate election in Maryland (2024)Not averagedB+ Public Policy Polling—635RV—Alsobrooks 45 · Hogan 34D+11——Release
Jun 19–20, 20242024 United States Senate election in Maryland (2024)B+ Public Policy Polling—635RV—Alsobrooks 48 · Hogan 40D+8——Release
Jun 17–20, 20242024 United States Senate election in Arizona (2024)C+ North Star Opinion ResearchAmerican Greatness600LV—Gallego 39 · Lake 38D+1——Release
Jun 14–19, 20242024 United States Senate election in Pennsylvania (2024)C− The Bullfinch Groupthe Commonwealth Foundation800RV—Jr. 48 · McCormick 36D+12——Release
Jun 15–19, 20242024 United States Senate election in North Dakota (2024)B Public Opinion StrategiesBrighter Future Alliance500LV—Christiansen 28 · Cramer 65R+37——Release
Jun 17–19, 20242024 United States Senate election in Missouri (2024)A+ Emerson College—1,000RV—Kunce 38 · Hawley 47R+9——Release
Jun 13–18, 20242024 United States Senate election in Wisconsin (2024)A+ Emerson CollegeThe Hill1,000RV—Baldwin 46 · Hovde 44D+2——Release
Jun 13–18, 20242024 United States Senate election in Pennsylvania (2024)A+ Emerson CollegeThe Hill1,000RV—Jr. 47 · McCormick 41D+6——Release
Jun 12–18, 20242024 United States Senate election in Nevada (2024)B Fabrizio Ward/Impact ResearchAARP600LV—Rosen 47 · Brown 42D+5——Release
Jun 13–18, 20242024 United States Senate election in Nevada (2024)A+ Emerson CollegeThe Hill1,000RV—Rosen 50 · Brown 38D+12——Release
Jun 13–18, 20242024 United States Senate election in Minnesota (2024)A+ Emerson CollegeThe Hill1,000RV—Klobuchar 48 · White 37D+11——Release
Jun 13–18, 20242024 United States Senate election in Michigan (2024)A+ Emerson CollegeThe Hill1,000RV—Slotkin 43 · Rogers 39D+4——Release
Jun 13–18, 20242024 United States Senate election in Arizona (2024)A+ Emerson CollegeThe Hill1,000RV—Gallego 45 · Lake 41D+4——Release
Jun 12–16, 20242024 United States Senate election in Minnesota (2024)A SurveyUSAKSTP-TV, WDIO-TV, and KAAL626LV—Klobuchar 49 · White 35D+14——Release
Jun 13–14, 20242024 United States Senate election in New Mexico (2024)B+ Public Policy PollingNew Mexico Political Report555V—Heinrich 47 · Domenici 40D+7——Release
Jun 11–13, 20242024 United States Senate election in Montana (2024)B Public Opinion Strategiesthe Montana Republican Party500LV—Tester 46 · Sheehy 46Even——Release
Jun 11–13, 20242024 United States Senate election in Arizona (2024)Not averagedB+ Rasmussen Reports—750RV—Gallego 40 · Lake 39D+1——Release
Jun 11–13, 20242024 United States Senate election in Arizona (2024)B+ Rasmussen Reports—750RV—Gallego 44 · Lake 41D+3——Release
May 31–Jun 9, 20242024 United States Senate election in Texas (2024)B YouGovthe Texas Politics Project at the University of Texas1,200RV—Allred 34 · Cruz 45R+11——Release
Jun 3–6, 20242024 United States Senate election in Pennsylvania (2024)B+ Marist University—1,181RV—Jr. 52 · McCormick 46D+6——Release
Jun 3–6, 20242024 United States Senate election in Ohio (2024)B+ Marist University—1,137RV—Brown 50 · Moreno 45D+5——Release
Jun 3–5, 20242024 United States Senate election in Montana (2024)Not averagedB+ Fabrizio, Lee & AssociatesMore Jobs, Less Government500LV—Tester 43 · Sheehy 46R+3——Release
Jun 3–5, 20242024 United States Senate election in Montana (2024)B+ Fabrizio, Lee & AssociatesMore Jobs, Less Government500LV—Tester 48 · Sheehy 48Even——Release
Jun 4, 20242024 United States Senate election in West Virginia (2024)— Kaplan Strategies—464RV—Elliott 27 · Justice 60R+33——Release
May 28–Jun 4, 20242024 United States Senate election in Arizona (2024)B Fabrizio Ward/Impact ResearchAARP600LV—Gallego 48 · Lake 45D+3——Release
Jun 3, 20242024 United States Senate election in Michigan (2024)B+ Mitchell Research & Communicationsthe Michigan Information and Research Service697LV—Slotkin 36 · Rogers 33D+3——Release
May 23–Jun 2, 20242024 United States Senate elections in California (2024)B Public Policy Institute of California—1,098LV—Schiff 62 · Garvey 37D+25——Release
May 30–31, 20242024 United States Senate election in Wisconsin (2024)C+ Mainstreet Research/FAU—290LV—Baldwin 47 · Hovde 39D+8——Release
May 30–31, 20242024 United States Senate election in Wisconsin (2024)Not averagedC+ Mainstreet Research/FAU—338RV—Baldwin 43 · Hovde 38D+5——Release
May 1–31, 20242024 United States Senate election in Texas (2024)C GBAOAllred's campaign800LV—Allred 40 · Cruz 47R+7——Release
May 30–31, 20242024 United States Senate election in Pennsylvania (2024)C+ Mainstreet Research/FAU—923LV—Jr. 49 · McCormick 42D+7——Release
May 30–31, 20242024 United States Senate election in Pennsylvania (2024)Not averagedC+ Mainstreet Research/FAU—1,012RV—Jr. 48 · McCormick 40D+8——Release
May 30–31, 20242024 United States Senate election in Michigan (2024)C+ Mainstreet Research/FAU—636LV—Slotkin 43 · Rogers 42D+1——Release
May 30–31, 20242024 United States Senate election in Michigan (2024)Not averagedC+ Mainstreet Research/FAU—723RV—Slotkin 41 · Rogers 41Even——Release
May 28–29, 20242024 United States Senate election in Ohio (2024)— National Public Affairs—801LV—Brown 54 · Moreno 46D+8——Release
May 22–25, 20242024 United States Senate election in Nevada (2024)B The Tyson GroupBreaking Battlegrounds601LV—Rosen 47 · Brown 33D+14——Release
May 19–21, 20242024 United States Senate election in Nevada (2024)C+ Mainstreet Research/FAU—494LV—Rosen 48 · Brown 37D+11——Release
May 19–21, 20242024 United States Senate election in Nevada (2024)Not averagedC+ Mainstreet Research/FAU—522RV—Rosen 48 · Brown 35D+13——Release
May 20–21, 20242024 United States Senate election in Michigan (2024)B+ Mitchell Research & Communicationsthe Michigan Information and Research Service697LV—Slotkin 40 · Rogers 36D+4——Release
May 19–21, 20242024 United States Senate election in Arizona (2024)C+ Mainstreet Research/FAU—501LV—Gallego 48 · Lake 39D+9——Release
May 19–21, 20242024 United States Senate election in Arizona (2024)Not averagedC+ Mainstreet Research/FAU—609RV—Gallego 44 · Lake 38D+6——Release
May 15–19, 20242024 United States Senate election in Wisconsin (2024)A KAConsultingVapor Technology Association600RV—Baldwin 46 · Hovde 42D+4——Release
May 15–19, 20242024 United States Senate election in Pennsylvania (2024)A KAConsultingVapor Technology Association600RV—Jr. 47 · McCormick 37D+10——Release
May 7–19, 20242024 United States Senate election in New Mexico (2024)— Red Oak Strategiesthe National Republican Senatorial Committee1,800LV—Heinrich 41 · Domenici 38D+3——Release
May 15–19, 20242024 United States Senate election in Michigan (2024)A KAConsultingVapor Technology Association600RV—Slotkin 43 · Rogers 37D+6——Release
May 13–16, 20242024 United States Senate election in Washington (2024)B− Elway ResearchCascade PBS403RV—Cantwell 39 · Garcia 30D+9——Release
May 15–16, 20242024 United States Senate election in Washington (2024)B+ Public Policy Pollingthe Northwest Progressive Institute615LV—Cantwell 53 · Garcia 38D+15——Release
May 10–16, 20242024 United States Senate election in Arizona (2024)B− CBS News/YouGov—1,214RV—Gallego 49 · Lake 36D+13——Release
May 7–14, 20242024 United States Senate election in Arizona (2024)A Noble Predictive Insights—1,003RV—Gallego 46 · Lake 36D+10——Release
May 6–13, 20242024 United States Senate election in Wisconsin (2024)C+ BSG/GS Strategy GroupThe Cook Political Report503LV—Baldwin 49 · Hovde 37D+12——Release
Showing 1,451–1,500 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)