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
Sep 5–7, 20162016 United States Senate election in North Carolina (2016)A Suffolk University—500V—Ross 37 · Burr 41R+4——Release
Sep 6–7, 20162016 United States Senate election in Nevada (2016)B+ Public Policy Polling—815LV—Masto 42 · Heck 41D+1——Release
Aug 31–Sep 7, 20162016 United States Senate election in Florida (2016)A− Quinnipiac University—601V—Murphy 43 · Rubio 50R+7——Release
Sep 4–6, 20162016 United States Senate election in Florida (2016)B+ Public Policy Polling—744V—Murphy 37 · Rubio 40R+3——Release
Sep 2–5, 20162016 United States Senate election in Vermont (2016)A+ Emerson College—600V—Leahy 57 · Milne 34D+23——Release
Sep 3–5, 20162016 United States Senate election in New Hampshire (2016)A+ Emerson College—600V—Hassan 46 · Ayotte 48R+2——Release
Sep 2–5, 20162016 United States Senate election in Connecticut (2016)A+ Emerson College—1,000V—Blumenthal 54 · Carter 33D+21——Release
Aug 30–Sep 2, 20162016 United States Senate election in Pennsylvania (2016)B− CBS News/YouGov—1,091V—McGinty 39 · Toomey 39Even——Release
Aug 30–Sep 2, 20162016 United States Senate election in North Carolina (2016)B− CBS News/YouGov—1,088V—Ross 41 · Burr 40D+1——Release
Sep 1–2, 20162016 United States Senate election in Missouri (2016)C+ RemingtonMissouri Scout1,275V—Kander 40 · Blunt 47R+7——Release
Aug 31–Sep 1, 20162016 United States Senate election in Iowa (2016)A+ Emerson College—600V—Judge 40 · Grassley 51R+11——Release
Sep 1, 20162016 United States Senate election in Indiana (2016)B Public Opinion Strategies——V—Bayh 44 · Young 35D+9——Release
Aug 30–31, 20162016 United States Senate election in Pennsylvania (2016)B+ Public Policy Polling—814V—McGinty 44 · Toomey 41D+3——Release
Aug 30–31, 20162016 United States Senate election in New Hampshire (2016)B+ Public Policy Polling—585V—Hassan 47 · Ayotte 44D+3——Release
Aug 30–31, 20162016 United States Senate election in Iowa (2016)B+ Public Policy Polling—827V—Judge 43 · Grassley 49R+6——Release
Aug 18–31, 20162016 United States Senate election in Idaho (2016)A+ Dan Jones & Associates—602V—Sturgill 20 · Crapo 57R+37——Release
Aug 29–31, 20162016 United States Senate election in Colorado (2016)B− Magellan Strategies—500V—Bennet 48 · Glenn 38D+10——Release
Aug 27–30, 20162016 United States Senate election in Wisconsin (2016)A− Monmouth University Polling Institute—404V—Feingold 54 · Johnson 41D+13——Release
Aug 28–30, 20162016 United States Senate election in New York (2016)A+ Emerson College—800V—Schumer 60 · Long 23D+37——Release
Aug 18–30, 20162016 United States Senate election in Maryland (2016)B− OpinionWorks—754V—Hollen 55 · Szeliga 26D+29——Release
Aug 25–29, 20162016 United States Senate election in Pennsylvania (2016)Not averagedB− Franklin & Marshall College—736RV—McGinty 36 · Toomey 37R+1——Release
Aug 25–29, 20162016 United States Senate election in Pennsylvania (2016)B− Franklin & Marshall College—496LV—McGinty 43 · Toomey 38D+5——Release
Aug 26–29, 20162016 United States Senate election in Pennsylvania (2016)A− Monmouth University Polling Institute—402V—McGinty 45 · Toomey 41D+4——Release
Aug 27–29, 20162016 United States Senate election in North Carolina (2016)A+ Emerson College—800V—Ross 41 · Burr 45R+4——Release
Aug 27–29, 20162016 United States Senate election in Alaska (2016)C Moore Information Group—500V—Metcalfe 12 · Murkowski 56R+44——Release
Aug 25–28, 20162016 United States Senate election in Wisconsin (2016)Not averagedB+ Marquette University—803RV—Feingold 46 · Johnson 42D+4——Release
Aug 25–28, 20162016 United States Senate election in Wisconsin (2016)Not averagedB+ Marquette University—803RV—Feingold 42 · Johnson 38D+4——Release
Aug 25–28, 20162016 United States Senate election in Wisconsin (2016)Not averagedB+ Marquette University—650LV—Feingold 48 · Johnson 45D+3——Release
Aug 25–28, 20162016 United States Senate election in Wisconsin (2016)B+ Marquette University—650LV—Feingold 45 · Johnson 42D+3——Release
Aug 21–28, 20162016 United States Senate election in Pennsylvania (2016)B− GBA Strategies—881V—McGinty 47 · Toomey 42D+5——Release
Aug 25–28, 20162016 United States Senate election in Pennsylvania (2016)A+ Emerson College—800V—McGinty 39 · Toomey 46R+7——Release
Aug 20–28, 20162016 United States Senate election in New Hampshire (2016)C University of New HampshireWMUR433V—Hassan 44 · Ayotte 42D+2——Release
Aug 26–28, 20162016 United States Senate election in New Hampshire (2016)B+ Public Policy Polling—977V—Hassan 47 · Ayotte 45D+2——Release
Aug 26–28, 20162016 United States Senate election in Arizona (2016)B+ Public Policy Polling—837V—Kirkpatrick 43 · McCain 43Even——Release
Aug 26–27, 20162016 United States Senate election in Wisconsin (2016)B+ Public Policy Polling—1,054V—Feingold 49 · Johnson 42D+7——Release
Aug 26–27, 20162016 United States Senate election in Pennsylvania (2016)B+ Public Policy Polling—1,194V—McGinty 46 · Toomey 40D+6——Release
Aug 25–27, 20162016 United States Senate election in Ohio (2016)A+ Emerson College—800V—Strickland 25 · Portman 40R+15——Release
Aug 26–27, 20162016 United States Senate election in Ohio (2016)B+ Public Policy Polling—1,134V—Strickland 39 · Portman 48R+9——Release
Aug 26–27, 20162016 United States Senate election in North Carolina (2016)B+ Public Policy Polling—1,177V—Ross 43 · Burr 46R+3——Release
Aug 26–27, 20162016 United States Senate election in Missouri (2016)B+ Public Policy Polling—1,055V—Kander 43 · Blunt 47R+4——Release
Aug 25, 20162016 United States Senate election in Wisconsin (2016)C Global Strategy Group—800V—Feingold 55 · Johnson 37D+18——Release
Aug 18–24, 20162016 United States Senate election in Florida (2016)— icitizen—600V—Murphy 42 · Rubio 43R+1——Release
Aug 22–24, 20162016 United States Senate election in Florida (2016)A Mason-Dixon Polling & Research, Inc.—625V—Murphy 43 · Rubio 46R+3——Release
Aug 18–23, 20162016 United States Senate election in North Carolina (2016)B− ORCCNN803V—Ross 45 · Burr 50R+5——Release
Aug 20–23, 20162016 United States Senate election in North Carolina (2016)A− Monmouth University Polling Institute—401V—Ross 43 · Burr 45R+2——Release
Aug 18–23, 20162016 United States Senate election in Arizona (2016)Not averagedB− ORCCNN842RV—Kirkpatrick 39 · McCain 52R+13——Release
Aug 18–23, 20162016 United States Senate election in Arizona (2016)B− ORCCNN809LV—Kirkpatrick 39 · McCain 52R+13——Release
Aug 21–22, 20162016 United States Senate election in Wisconsin (2016)B− Let America Work^—600V—Feingold 50 · Johnson 47D+3——Release
Aug 19–22, 20162016 United States Senate election in Missouri (2016)A− Monmouth University Polling Institute—401V—Kander 43 · Blunt 48R+5——Release
Aug 19–22, 20162016 United States Senate election in Florida (2016)B Florida Atlantic University—1,200V—Murphy 39 · Rubio 44R+5——Release
Showing 4,301–4,350 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)