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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Matching polls

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
Oct 3–6, 20162016 United States Senate election in Pennsylvania (2016)B+ Marist UniversityNBC, WSJ709V—McGinty 48 · Toomey 44D+4——Release
Oct 5–6, 20162016 United States Senate election in Ohio (2016)B+ Public Policy Polling—782V—Strickland 36 · Portman 51R+15——Release
Oct 1–6, 20162016 United States Senate election in North Carolina (2016)B− High Point University—479V—Ross 42 · Burr 47R+5——Release
Oct 3–6, 20162016 United States Senate election in North Carolina (2016)— NCSU Pack Poll—895V—Ross 49 · Burr 39D+10——Release
Oct 3–6, 20162016 United States Senate election in Iowa (2016)A+ Selzer & Co.Des Moines Register642V—Judge 36 · Grassley 53R+17——Release
Oct 5–6, 20162016 United States Senate election in Alaska (2016)C Moore Information Group—500V—Metcalfe 9 · Murkowski 49R+40——Release
Oct 4–5, 20162016 United States Senate election in Wisconsin (2016)C+ Loras College—500V—Feingold 40 · Johnson 45R+5——Release
Oct 3–5, 20162016 United States Senate election in New Hampshire (2016)A Suffolk University—500V—Hassan 41 · Ayotte 47R+6——Release
Oct 3–5, 20162016 United States Senate election in Indiana (2016)B WTHR/Howey—600V—Bayh 42 · Young 41D+1——Release
Oct 4–5, 20162016 United States Senate election in Illinois (2016)B GS Strategy Group—600V—Duckworth 41 · Kirk 37D+4——Release
Oct 2–5, 20162016 United States Senate election in Florida (2016)B− Associated Industries of Florida—600V—Murphy 41 · Rubio 49R+8——Release
Oct 3–5, 20162016 United States Senate election in Florida (2016)B+ Marist UniversityNBC, WSJ700V—Murphy 46 · Rubio 48R+2——Release
Oct 4, 20162016 United States Senate election in Wisconsin (2016)B− Gravis MarketingBreitbart1,102V—Feingold 53 · Johnson 41D+12——Release
Oct 4, 20162016 United States Senate election in Oregon (2016)B− Gravis Marketing—1,248V—Wyden 52 · Callahan 33D+19——Release
Oct 1–4, 20162016 United States Senate election in Ohio (2016)A− Monmouth University Polling Institute—405V—Strickland 39 · Portman 54R+15——Release
Oct 2–4, 20162016 United States Senate election in Nevada (2016)A+ Emerson College—700LV—Masto 41 · Heck 45R+4——Release
Sep 27–Oct 4, 20162016 United States Senate election in Florida (2016)B+ University of North Florida—667V—Murphy 41 · Rubio 48R+7——Release
Oct 2–4, 20162016 United States Senate election in Florida (2016)A+ Emerson College—600V—Murphy 39 · Rubio 47R+8——Release
Oct 4, 20162016 United States Senate election in Florida (2016)B− Gravis MarketingBreitbart821V—Murphy 40 · Rubio 44R+4——Release
Oct 3–4, 20162016 United States Senate election in Colorado (2016)B− Gravis MarketingBreitbart1,246V—Bennet 47 · Glenn 39D+8——Release
Oct 2–4, 20162016 United States Senate election in Arizona (2016)A+ Emerson College—600V—Kirkpatrick 36 · McCain 52R+16——Release
Sep 29–Oct 3, 20162016 United States Senate election in Washington (2016)A− Strategies 360KOMO News500V—Murray 57 · Vance 36D+21——Release
Sep 30–Oct 3, 20162016 United States Senate election in Pennsylvania (2016)A− Monmouth University Polling Institute—402V—McGinty 46 · Toomey 46Even——Release
Sep 29–Oct 3, 20162016 United States Senate election in North Carolina (2016)A+ Selzer & Co.Bloomberg805V—Ross 46 · Burr 44D+2——Release
Sep 29–Oct 3, 20162016 United States Senate election in North Carolina (2016)A SurveyUSA—656V—Ross 44 · Burr 46R+2——Release
Oct 3, 20162016 United States Senate election in Indiana (2016)B Public Opinion Strategies——V—Bayh 42 · Young 38D+4——Release
Sep 27–Oct 2, 20162016 United States Senate election in Pennsylvania (2016)A− Quinnipiac University—535V—McGinty 42 · Toomey 50R+8——Release
Sep 28–Oct 2, 20162016 United States Senate election in Pennsylvania (2016)Not averagedB− Franklin & Marshall College—813RV—McGinty 36 · Toomey 31D+5——Release
Sep 28–Oct 2, 20162016 United States Senate election in Pennsylvania (2016)B− Franklin & Marshall College—496LV—McGinty 41 · Toomey 35D+6——Release
Sep 27–Oct 2, 20162016 United States Senate election in Ohio (2016)— Anzalone Liszt Grove—800V—Strickland 39 · Portman 51R+12——Release
Sep 27–Oct 2, 20162016 United States Senate election in Ohio (2016)A− Quinnipiac University—497V—Strickland 38 · Portman 55R+17——Release
Sep 27–Oct 2, 20162016 United States Senate election in North Carolina (2016)A− Quinnipiac University—507V—Ross 46 · Burr 46Even——Release
Sep 27–Oct 2, 20162016 United States Senate election in Nevada (2016)— Hart Research Associates—700LV—Masto 46 · Heck 47R+1——Release
Sep 27–Oct 2, 20162016 United States Senate election in Illinois (2016)— Southern Illinois University—865V—Duckworth 48 · Kirk 34D+14——Release
Sep 27–Oct 2, 20162016 United States Senate election in Florida (2016)A− Quinnipiac University—545V—Murphy 44 · Rubio 48R+4——Release
Sep 29–Oct 2, 20162016 United States Senate election in Colorado (2016)A− Monmouth University Polling Institute—400V—Bennet 53 · Glenn 35D+18——Release
Sep 28–Oct 2, 20162016 United States Senate election in Alaska (2016)B− Alaska Survey Research—660V—Metcalfe 12 · Murkowski 50R+38——Release
Sep 27–30, 20162016 United States Senate election in North Carolina (2016)B+ Elon University Poll—660V—Ross 44 · Burr 43D+1——Release
Sep 27–30, 20162016 United States Senate election in Maryland (2016)A− University of Maryland/Washington Post—706V—Hollen 58 · Szeliga 29D+29——Release
Sep 27–29, 20162016 United States Senate election in New Hampshire (2016)Not averagedA MassINC Polling GroupWBUR502V—Hassan 48 · Ayotte 46D+2——Release
Sep 27–29, 20162016 United States Senate election in New Hampshire (2016)A MassINC Polling GroupWBUR502V—Hassan 48 · Ayotte 45D+3——Release
Sep 27–29, 20162016 United States Senate election in Nevada (2016)A Suffolk University—500LV—Masto 35 · Heck 38R+3——Release
Sep 27–29, 20162016 United States Senate election in Nevada (2016)B− Bendixen & Amandi Internationalthe Las Vegas Review-Journal800LV—Masto 45 · Heck 47R+2——Release
Sep 27–29, 20162016 United States Senate election in Illinois (2016)C+ Normington, Petts & Associates—600V—Duckworth 46 · Kirk 37D+9——Release
Sep 27–29, 20162016 United States Senate election in Florida (2016)A Mason-Dixon Polling & Research, Inc.—820V—Murphy 40 · Rubio 47R+7——Release
Sep 28–29, 20162016 United States Senate election in Florida (2016)B− Opinion SavvyFOX 13 Tampa Bay619V—Murphy 43 · Rubio 47R+4——Release
Sep 27–28, 20162016 United States Senate election in Pennsylvania (2016)Not averagedB+ Public Policy Polling—886V—McGinty 44 · Toomey 42D+2——Release
Sep 27–28, 20162016 United States Senate election in Pennsylvania (2016)B+ Public Policy Polling—886V—McGinty 40 · Toomey 35D+5——Release
Sep 27–28, 20162016 United States Senate election in North Carolina (2016)Not averagedB+ Public Policy Polling—861V—Ross 42 · Burr 46R+4——Release
Sep 27–28, 20162016 United States Senate election in North Carolina (2016)B+ Public Policy Polling—861V—Ross 39 · Burr 41R+2——Release
Showing 4,151–4,200 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)