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.

Clear all

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 17–22, 20242024 United States Senate election in Maryland (2024)B− Braun ResearchThe Washington Post and the University of Maryland1,000LV—Alsobrooks 52 · Hogan 40D+12——Release
Oct 17–22, 20242024 United States Senate election in Arizona (2024)Not averagedB+ Marist University—1,329RV—Gallego 53 · Lake 45D+8——Release
Oct 17–22, 20242024 United States Senate election in Arizona (2024)B+ Marist University—1,193LV—Gallego 53 · Lake 45D+8——Release
Oct 17–21, 20242024 United States Senate election in Wisconsin (2024)A− Quinnipiac University—1,108LV—Baldwin 49 · Hovde 48D+1——Release
Oct 14–21, 20242024 United States Senate election in Texas (2024)C+ UT Tyler—956LV—Allred 45 · Cruz 47R+2——Release
Oct 18–21, 20242024 United States Senate election in Texas (2024)A+ Emerson CollegeThe Hill and Nexstar815LV—Allred 47 · Cruz 48R+1——Release
Oct 10–21, 20242024 United States Senate election in Ohio (2024)B YouGovBowling Green State University1,000LV—Brown 47 · Moreno 45D+2——Release
Oct 17–21, 20242024 United States Senate election in Michigan (2024)A− Quinnipiac University—1,136LV—Slotkin 52 · Rogers 44D+8——Release
Oct 19–21, 20242024 United States Senate election in Maryland (2024)Not averagedA+ Emerson CollegeNexstar Media Group865LV—Alsobrooks 54 · Hogan 40D+14——Release
Oct 19–21, 20242024 United States Senate election in Maryland (2024)A+ Emerson CollegeNexstar Media Group865LV—Alsobrooks 57 · Hogan 43D+14——Release
Oct 18–20, 20242024 United States Senate election in Wisconsin (2024)B Trafalgar Group—1,083LV—Baldwin 48 · Hovde 49R+1——Release
Oct 9–20, 20242024 United States Senate election in Pennsylvania (2024)Not averagedB− Franklin & Marshall College—794RV—Jr. 48 · McCormick 41D+7——Release
Oct 9–20, 20242024 United States Senate election in Pennsylvania (2024)B− Franklin & Marshall College—583LV—Jr. 49 · McCormick 48D+1——Release
Sep 23–Oct 20, 20242024 United States Senate election in Ohio (2024)A− ActiVote—400LV—Brown 48 · Moreno 52R+4——Release
Oct 19–20, 20242024 United States Senate election in Nevada (2024)B InsiderAdvantage—800LV—Rosen 48 · Brown 44D+4——Release
Oct 18–20, 20242024 United States Senate election in Michigan (2024)B Trafalgar Group—1,090LV—Slotkin 46 · Rogers 45D+1——Release
Oct 12–20, 20242024 United States Senate election in Arizona (2024)— TrueDotUniversity of Arizona846RV—Gallego 51 · Lake 36D+15——Release
Oct 19–20, 20242024 United States Senate election in Arizona (2024)B InsiderAdvantage—800LV—Gallego 50 · Lake 46D+4——Release
Oct 19–20, 20242024 United States Senate election in Arizona (2024)C HighGround Public Affairs—400LV—Gallego 52 · Lake 42D+10——Release
Oct 15–19, 20242024 United States Senate election in Utah (2024)D HarrisXDeseret News and the Hinckley Institute of Politics813RV—Gleich 20 · Curtis 55R+35——Release
Oct 17–19, 20242024 United States Senate election in Pennsylvania (2024)B Trafalgar Group—1,084LV—Jr. 47 · McCormick 47Even——Release
Oct 11–18, 20242024 United States Senate election in Wisconsin (2024)C− The Bullfinch Group—600LV—Baldwin 49 · Hovde 45D+4——Release
Oct 16–18, 20242024 United States Senate election in Wisconsin (2024)C− Redfield & Wilton StrategiesThe Daily Telegraph622LV—Baldwin 45 · Hovde 44D+1——Release
Sep 14–Oct 18, 20242024 United States Senate election in Tennessee (2024)A− ActiVote—400LV—Johnson 39 · Blackburn 61R+22——Release
Oct 10–18, 20242024 United States Senate election in New Mexico (2024)A+ Research & Polling Inc.The Albuquerque Journal1,024LV—Heinrich 51 · Domenici 40D+11——Release
Oct 16–18, 20242024 United States Senate election in Nevada (2024)C− Redfield & Wilton StrategiesThe Daily Telegraph529LV—Rosen 48 · Brown 41D+7——Release
Oct 16–18, 20242024 United States Senate election in Michigan (2024)C− Redfield & Wilton StrategiesThe Daily Telegraph1,008LV—Slotkin 45 · Rogers 38D+7——Release
Oct 16–18, 20242024 United States Senate election in Arizona (2024)C− Redfield & Wilton StrategiesThe Daily Telegraph691LV—Gallego 48 · Lake 41D+7——Release
Oct 12–17, 20242024 United States Senate election in Wisconsin (2024)A AtlasIntel—932LV—Baldwin 49 · Hovde 46D+3——Release
Oct 16–17, 20242024 United States Senate election in Washington (2024)B+ Public Policy Pollingthe Northwest Progressive Institute571LV—Cantwell 53 · Garcia 38D+15——Release
Oct 7–17, 20242024 United States Senate election in Texas (2024)B YouGovRose Institute of State and Local Government1,108RV—Allred 45 · Cruz 49R+4——Release
Oct 7–17, 20242024 United States Senate election in Pennsylvania (2024)Not averagedB YouGovRose Institute of State and Local Government1,062RV—Jr. 49 · McCormick 42D+7——Release
Oct 7–17, 20242024 United States Senate election in Pennsylvania (2024)B YouGovRose Institute of State and Local Government1,043LV—Jr. 50 · McCormick 42D+8——Release
Oct 11–17, 20242024 United States Senate election in Pennsylvania (2024)C− The Bullfinch Group—600LV—Jr. 50 · McCormick 43D+7——Release
Oct 12–17, 20242024 United States Senate election in Pennsylvania (2024)A AtlasIntel—2,048LV—Jr. 47 · McCormick 48R+1——Release
Oct 7–17, 20242024 United States Senate election in New York (2024)B YouGovRose Institute of State and Local Government1,089RV—Gillibrand 57 · Sapraicone 32D+25——Release
Oct 13–17, 20242024 United States Senate election in New York (2024)A Siena College—872LV—Gillibrand 57 · Sapraicone 31D+26——Release
Oct 12–17, 20242024 United States Senate election in Nevada (2024)A AtlasIntel—1,171LV—Rosen 47 · Brown 43D+4——Release
Oct 11–17, 20242024 United States Senate election in Michigan (2024)C− The Bullfinch Group—600LV—Slotkin 51 · Rogers 42D+9——Release
Oct 12–17, 20242024 United States Senate election in Michigan (2024)A AtlasIntel—1,529LV—Slotkin 48 · Rogers 48Even——Release
Oct 7–17, 20242024 United States Senate elections in California (2024)B YouGovRose Institute of State and Local Government1,139RV—Schiff 56 · Garvey 35D+21——Release
Oct 12–17, 20242024 United States Senate election in Arizona (2024)A AtlasIntel—1,440LV—Gallego 50 · Lake 46D+4——Release
Oct 10–16, 20242024 United States Senate election in Wisconsin (2024)Not averagedB+ RMG Researchthe Napolitan Institute787LV—Baldwin 50 · Hovde 47D+3——Release
Oct 10–16, 20242024 United States Senate election in Wisconsin (2024)B+ RMG Researchthe Napolitan Institute787LV—Baldwin 49 · Hovde 46D+3——Release
Oct 1–16, 20242024 United States Senate election in Texas (2024)A− ActiVote—400LV—Allred 47 · Cruz 53R+6——Release
Sep 30–Oct 16, 20242024 United States Senate election in Montana (2024)C+ MSU Billings—760LV—Tester 43 · Sheehy 43Even——Release
Oct 10–16, 20242024 United States Senate election in Michigan (2024)Not averagedB+ RMG ResearchNapolitan News789LV—Slotkin 49 · Rogers 45D+4——Release
Oct 10–16, 20242024 United States Senate election in Michigan (2024)B+ RMG ResearchNapolitan News789LV—Slotkin 48 · Rogers 43D+5——Release
Oct 11–16, 20242024 United States Senate election in Arizona (2024)B− CBS News/YouGov—1,403LV—Gallego 54 · Lake 45D+9——Release
Oct 6–15, 20242024 United States Senate election in Wisconsin (2024)C Morning Consult—527LV—Baldwin 49 · Hovde 44D+5——Release
Showing 901–950 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)