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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1,804

House polls.

Polls per month

213
Sep 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 27–29, 20182018 Indiana's 5th congressional district election (2018)B+ Change Research—527V—Thornton 44 · Brooks 50R+6——Release
Oct 27–29, 20182018 Illinois's 16th congressional district election (2018)B+ Change Research—554V—Dady 41 · Kinzinger 55R+14——Release
Oct 27–29, 20182018 Florida's 18th congressional district election (2018)B+ Change Research—475V—Baer 44 · Mast 53R+9——Release
Oct 27–29, 20182018 Colorado's 3rd congressional district election (2018)B+ Change Research—485V—Bush 38 · Tipton 53R+15——Release
Oct 25–29, 20182018 California's 50th congressional district election (2018)A SurveyUSA—547V—Campa-Najjar 45 · Hunter 48R+3——Release
Oct 25–28, 20182018 Virginia's 10th congressional district election (2018)A− The Washington PostSchar School446V—Wexton 54 · Comstock 43D+11——Release
Oct 24–28, 20182018 North Carolina's 2nd congressional district election (2018)A SurveyUSA—565V—Coleman 40 · Holding 49R+9——Release
Oct 25–28, 20182018 New York's 27th congressional district election (2018)A− Tulchin Research—400V—McMurray 47 · Collins 43D+4——Release
Oct 24–28, 20182018 New York's 19th congressional district election (2018)A− Monmouth University Polling Institute—372V—Delgado 49 · Faso 44D+5——Release
Oct 26–28, 20182018 Kansas's 4th congressional district election (2018)A+ Emerson College—262V—Thompson 33 · Estes 63R+30——Release
Oct 26–28, 20182018 Kansas's 3rd congressional district election (2018)A+ Emerson College—262V—Davids 55 · Yoder 43D+12——Release
Oct 26–28, 20182018 Kansas's 2nd congressional district election (2018)A+ Emerson College—231V—Davis 41 · Watkins 48R+7——Release
Oct 26–28, 20182018 Kansas's 1st congressional district election (2018)A+ Emerson College—221V—LaPolice 36 · Marshall 51R+15——Release
Oct 25–28, 20182018 Florida's 27th congressional district election (2018)B ALG Research—500V—Shalala 49 · Salazar 44D+5——Release
Oct 25–28, 20182018 California's 25th congressional district election (2018)A The New York Times/Siena University—504V—Hill 44 · Knight 48R+4——Release
Oct 18–27, 20182018 Virginia's 7th congressional district election (2018)B− Christopher Newport University—871V—Spanberger 46 · Brat 45D+1——Release
Oct 23–27, 20182018 New York's 11th congressional district election (2018)A The New York Times/Siena University—495V—Rose 40 · Donovan 44R+4——Release
Oct 25–27, 20182018 Iowa's 3rd congressional district election (2018)A The New York Times/Siena University—504V—Axne 43 · Young 41D+2——Release
Oct 24–26, 20182018 Utah's 4th congressional district election (2018)A The New York Times/Siena University—526V—McAdams 45 · Love 45Even——Release
Oct 25–26, 20182018 Pennsylvania's 13th congressional district election (2018)B Susquehanna Polling & Research, Inc.—303V—Ottaway 36 · Joyce 57R+21——Release
Oct 23–26, 20182018 Pennsylvania's 10th congressional district election (2018)A The New York Times/Siena University—498V—Scott 43 · Perry 45R+2——Release
Oct 25–26, 20182018 Ohio's 7th congressional district election (2018)B+ Change Research—682V—Harbaugh 43 · Gibbs 49R+6——Release
Oct 24–26, 20182018 New Mexico's 3rd congressional district election (2018)A+ Emerson College—331V—Luján 54 · McFall 37D+17——Release
Oct 24–26, 20182018 New Mexico's 2nd congressional district election (2018)A+ Emerson College—278V—Small 47 · Herrell 47Even——Release
Oct 24–26, 20182018 New Mexico's 1st congressional district election (2018)A+ Emerson College—327V—Haaland 51 · Arnold-Jones 41D+10——Release
Oct 24–26, 20182018 Montana's at-large congressional district election (2018)B− Gravis Marketing—782V—Williams 48 · Gianforte 48Even——Release
Oct 20–26, 20182018 Illinois's 6th congressional district election (2018)A The New York Times/Siena University—497V—Casten 46 · Roskam 44D+2——Release
Oct 25, 20182018 Utah's 4th congressional district election (2018)D Dixie Strategies—936V—McAdams 50 · Love 43D+7——Release
Oct 19–25, 20182018 Texas's 7th congressional district election (2018)A The New York Times/Siena University—499V—Fletcher 45 · Culberson 46R+1——Release
Oct 23–25, 20182018 Pennsylvania's 9th congressional district election (2018)B Susquehanna Polling & Research, Inc.—271V—Wolff 36 · Meuser 57R+21——Release
Oct 21–25, 20182018 New Jersey's 3rd congressional district election (2018)A The New York Times/Siena University—508V—Kim 44 · MacArthur 45R+1——Release
Oct 23–25, 20182018 Nebraska's 2nd congressional district election (2018)C+ DFM Research—350V—Eastman 45 · Bacon 52R+7——Release
Oct 24–25, 20182018 Nebraska's 1st congressional district election (2018)B+ Change Research—742V—McClure 39 · Fortenberry 55R+16——Release
Oct 21–25, 20182018 Illinois's 13th congressional district election (2018)A The New York Times/Siena University—501V—Londrigan 41 · Davis 46R+5——Release
Oct 21–25, 20182018 California's 10th congressional district election (2018)A The New York Times/Siena University—501V—Harder 47 · Denham 45D+2——Release
Oct 20–24, 20182018 Ohio's 1st congressional district election (2018)A The New York Times/Siena University—492V—Pureval 41 · Chabot 50R+9——Release
Oct 23–24, 20182018 New York's 23rd congressional district election (2018)B+ Change Research—510V—Mitrano 47 · Reed 49R+2——Release
Oct 22–24, 20182018 Iowa's 4th congressional district election (2018)B+ WPA Intelligence—401V—Scholten 34 · King 52R+18——Release
Oct 19–24, 20182018 California's 49th congressional district election (2018)A The New York Times/Siena University—500V—Levin 53 · Harkey 39D+14——Release
Oct 19–23, 20182018 New Mexico's 2nd congressional district election (2018)A The New York Times/Siena University—522V—Small 44 · Herrell 45R+1——Release
Oct 17–23, 20182018 New Jersey's 2nd congressional district election (2018)B− Stockton University—597V—Drew 55 · Grossman 38D+17——Release
Oct 22–23, 20182018 Kansas's 1st congressional district election (2018)C Jayhawk Consulting—600V—LaPolice 38 · Marshall 42R+4——Release
Oct 18–23, 20182018 California's 39th congressional district election (2018)A The New York Times/Siena University—496V—Cisneros 47 · Kim 46D+1——Release
Oct 16–22, 20182018 Virginia's 5th congressional district election (2018)A The New York Times/Siena University—501V—Cockburn 46 · Riggleman 45D+1——Release
Oct 18–22, 20182018 Virginia's 2nd congressional district election (2018)A The New York Times/Siena University—508V—Luria 42 · Taylor 45R+3——Release
Oct 18–22, 20182018 South Dakota's at-large congressional district election (2018)A Mason-Dixon Polling & Research, Inc.—500V—Bjorkman 31 · Johnson 54R+23——Release
Oct 20–22, 20182018 Ohio's 12th congressional district election (2018)B− GBA Strategies—570V—O'Connor 47 · Balderson 47Even——Release
Oct 18–22, 20182018 New York's 24th congressional district election (2018)A Siena College—500V—Balter 39 · Katko 53R+14——Release
Oct 18–22, 20182018 New Jersey's 3rd congressional district election (2018)A− Monmouth University Polling Institute—363V—Kim 48 · MacArthur 46D+2——Release
Oct 18–22, 20182018 Illinois's 12th congressional district election (2018)A The New York Times/Siena University—502V—Kelly 39 · Bost 48R+9——Release
Showing 1,201–1,250 of 1,804

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)