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 11–15, 20162016 United States Senate election in Kansas (2016)A SurveyUSAKSN News549V—Wiesner 31 · Moran 56R+25——Release
Oct 10–15, 20162016 United States Senate election in Arizona (2016)— Arizona Republic/Morrison/Cronkite—660V—Kirkpatrick 40 · McCain 52R+12——Release
Oct 12–14, 20162016 United States Senate election in Wisconsin (2016)C Google Consumer Surveys—551V—Feingold 58 · Johnson 39D+19——Release
Sep 29–Oct 14, 20162016 United States Senate election in Vermont (2016)— Castleton University—579V—Leahy 59 · Milne 22D+37——Release
Oct 12–14, 20162016 United States Senate election in Nevada (2016)B− CBS News/YouGov—996LV—Masto 39 · Heck 39Even——Release
Oct 12–14, 20162016 United States Senate election in Missouri (2016)C Google Consumer Surveys—521V—Kander 52 · Blunt 45D+7——Release
Oct 12–14, 20162016 United States Senate election in Iowa (2016)C Google Consumer Surveys—523V—Judge 41 · Grassley 56R+15——Release
Oct 14, 20162016 United States Senate election in Arizona (2016)B− HighGround, Inc.—400V—Kirkpatrick 35 · McCain 45R+10——Release
Oct 6–13, 20162016 United States Senate election in Washington (2016)B YouGovKCTS 9750V—Murray 55 · Vance 39D+16——Release
Oct 10–13, 20162016 United States Senate election in Nevada (2016)C JMC Analytics8 News NOW600LV—Masto 40 · Heck 35D+5——Release
Oct 11–13, 20162016 United States Senate election in Indiana (2016)A− Monmouth University Polling Institute—402V—Bayh 48 · Young 42D+6——Release
Oct 11–13, 20162016 United States Senate election in Florida (2016)B− Gravis MarketingBreitbart1,799V—Murphy 36 · Rubio 44R+8——Release
Oct 12–13, 20162016 United States Senate election in Florida (2016)Not averagedB+ Public Policy Polling—985V—Murphy 43 · Rubio 48R+5——Release
Oct 12–13, 20162016 United States Senate election in Florida (2016)B+ Public Policy Polling—985V—Murphy 38 · Rubio 44R+6——Release
Oct 12–13, 20162016 United States Senate election in Colorado (2016)B− Gravis MarketingBreitbart1,226V—Bennet 48 · Glenn 38D+10——Release
Oct 12–13, 20162016 United States Senate election in Colorado (2016)B− Magellan Strategies—500V—Bennet 47 · Glenn 32D+15——Release
Oct 10–12, 20162016 United States Senate election in Utah (2016)A− Monmouth University Polling Institute—403V—Snow 31 · Lee 60R+29——Release
Oct 10–12, 20162016 United States Senate election in Oregon (2016)A SurveyUSAKATU-TV654V—Wyden 54 · Callahan 32D+22——Release
Oct 10–12, 20162016 United States Senate election in Ohio (2016)A+ Emerson College—600V—Strickland 30 · Portman 47R+17——Release
Oct 10–12, 20162016 United States Senate election in Ohio (2016)Not averagedB+ Marist UniversityNBC, WSJ1,007RV—Strickland 36 · Portman 54R+18——Release
Oct 10–12, 20162016 United States Senate election in Ohio (2016)B+ Marist UniversityNBC, WSJ724LV—Strickland 37 · Portman 55R+18——Release
Oct 10–12, 20162016 United States Senate election in North Carolina (2016)A Suffolk University—500V—Ross 36 · Burr 40R+4——Release
Oct 10–12, 20162016 United States Senate election in North Carolina (2016)A+ Emerson College—600V—Ross 43 · Burr 45R+2——Release
Oct 10–12, 20162016 United States Senate election in North Carolina (2016)Not averagedB+ Marist UniversityNBC, WSJ1,025RV—Ross 46 · Burr 45D+1——Release
Oct 10–12, 20162016 United States Senate election in North Carolina (2016)B+ Marist UniversityNBC, WSJ743LV—Ross 46 · Burr 46Even——Release
Oct 10–12, 20162016 United States Senate election in New Hampshire (2016)Not averagedA MassINC Polling GroupWBUR501V—Hassan 45 · Ayotte 46R+1——Release
Oct 10–12, 20162016 United States Senate election in New Hampshire (2016)A MassINC Polling GroupWBUR501V—Hassan 47 · Ayotte 47Even——Release
Oct 11–12, 20162016 United States Senate election in Nevada (2016)B Public Opinion Strategiesthe Senate Leadership Fund600RV—Masto 44 · Heck 47R+3——Release
Oct 11–12, 20162016 United States Senate election in Georgia (2016)A− Landmark CommunicationsWSB-TV1,400V—Barksdale 37 · Isakson 50R+13——Release
Oct 7–11, 20162016 United States Senate election in Pennsylvania (2016)A+ Selzer & Co.Bloomberg806V—McGinty 47 · Toomey 45D+2——Release
Oct 9–11, 20162016 United States Senate election in Ohio (2016)C− Baldwin Wallace University—1,152V—Strickland 36 · Portman 48R+12——Release
Oct 7–11, 20162016 United States Senate election in New Hampshire (2016)B UMass Lowell7News517V—Hassan 44 · Ayotte 45R+1——Release
Oct 10–11, 20162016 United States Senate election in Nevada (2016)B+ Public Policy PollingCortez Masto's campaign986LV—Masto 43 · Heck 39D+4——Release
Oct 10–11, 20162016 United States Senate election in Nevada (2016)B+ Clarity Campaign LabsEnd Citizens United1,010LV—Masto 41 · Heck 40D+1——Release
Oct 9–11, 20162016 United States Senate election in Missouri (2016)A− Monmouth University Polling Institute—406V—Kander 44 · Blunt 46R+2——Release
Oct 9–11, 20162016 United States Senate election in Indiana (2016)B Public Opinion Strategies—609V—Bayh 39 · Young 40R+1——Release
Oct 10–11, 20162016 United States Senate election in Florida (2016)B− Opinion SavvyFOX 13 Tampa Bay533V—Murphy 44 · Rubio 48R+4——Release
Oct 7–10, 20162016 United States Senate election in Pennsylvania (2016)B− LucidThe Times-Picayune1,457V—McGinty 44 · Toomey 44Even——Release
Oct 7–10, 20162016 United States Senate election in Ohio (2016)B− LucidThe Times-Picayune1,304V—Strickland 37 · Portman 51R+14——Release
Oct 7–10, 20162016 United States Senate election in Iowa (2016)B− LucidThe Times-Picayune917V—Judge 39 · Grassley 51R+12——Release
Oct 7–10, 20162016 United States Senate election in Indiana (2016)B− LucidThe Times-Picayune1,123V—Bayh 46 · Young 43D+3——Release
Oct 6–9, 20162016 United States Senate election in Wisconsin (2016)Not averagedB+ Marquette University—1,000RV—Feingold 47 · Johnson 44D+3——Release
Oct 6–9, 20162016 United States Senate election in Wisconsin (2016)Not averagedB+ Marquette University—1,000RV—Feingold 44 · Johnson 42D+2——Release
Oct 6–9, 20162016 United States Senate election in Wisconsin (2016)Not averagedB+ Marquette University—839LV—Feingold 48 · Johnson 46D+2——Release
Oct 6–9, 20162016 United States Senate election in Wisconsin (2016)B+ Marquette University—839LV—Feingold 46 · Johnson 44D+2——Release
Oct 4–9, 20162016 United States Senate election in Pennsylvania (2016)B Susquehanna Polling & Research, Inc.—764V—McGinty 38 · Toomey 42R+4——Release
Oct 7–9, 20162016 United States Senate election in New Hampshire (2016)B+ Public Policy Polling—600V—Hassan 44 · Ayotte 43D+1——Release
Oct 5–7, 20162016 United States Senate election in Wisconsin (2016)B− CBS News/YouGov—993V—Feingold 45 · Johnson 42D+3——Release
Oct 5–7, 20162016 United States Senate election in Pennsylvania (2016)B− CBS News/YouGov—997V—McGinty 42 · Toomey 42Even——Release
Oct 5–7, 20162016 United States Senate election in Ohio (2016)B− CBS News/YouGov—997V—Strickland 38 · Portman 49R+11——Release
Showing 4,101–4,150 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)