| The Economist/YouGov | 96 | — | Oct 12 | Not rated | D+0.4 |
| Big Data Poll | 67 | 9 | Sep 30 | ★ | D+1.3 |
| Morning Consult | 60 | 3 | Oct 11 | ★★ | R+0.7 |
| Public Policy Polling | 58 | 45 | Oct 15 | ★½ | R+0.4 |
| Quantus Insights | 56 | 17 | Oct 11 | Not rated | R+2.5 |
| University of New Hampshire | 52 | 18 | Sep 21 | Not rated | R+0.1 |
| Emerson College | 51 | 23 | Oct 12 | ★★★ | R+1.6 |
| co/efficient | 42 | 29 | Oct 8 | ★ | R+3.9 |
| Reuters/Ipsos | 40 | — | Oct 5 | Not rated | R+0.8 |
| Cygnal | 35 | 8 | Oct 10 | ★★ | R+1.4 |
| Beacon Research/Shaw & Co. Research | 33 | 13 | Oct 12 | ★★★ | D+0.7 |
| YouGov | 33 | 21 | Oct 12 | ★★★ | D+1.4 |
| Impact Research | 31 | 20 | Oct 8 | ★½ | D+1.5 |
| Change Research | 30 | 12 | Oct 10 | ★½ | D+1.9 |
| RMG Research | 30 | 4 | Oct 14 | ★★½ | R+1.7 |
| New York Times/Siena University | 29 | 17 | Oct 1 | Not rated | R+0.3 |
| Echelon Insights | 28 | 6 | Sep 21 | ★★½ | R+1.5 |
| Global Strategy Group | 26 | 15 | Sep 16 | ★★ | D+2.0 |
| Rasmussen Reports | 25 | 11 | Oct 14 | Not rated | R+0.5 |
| Strength In Numbers/Verasight | 25 | — | Sep 21 | Not rated | D+2.4 |
| GBAO | 24 | 15 | Oct 8 | ★ | D+2.2 |
| InsiderAdvantage | 24 | 14 | Oct 14 | ★★ | R+1.0 |
| Marist University | 24 | 11 | Oct 11 | Not rated | D+3.1 |
| The Argument/Verasight | 24 | — | Sep 22 | Not rated | D+0.6 |
| Fabrizio Ward/Impact Research | 23 | 16 | Sep 22 | Not rated | D+0.6 |
| McLaughlin & Associates | 23 | 5 | Sep 30 | ½ | R+5.1 |
| TIPP Insights | 20 | 8 | Sep 2 | ★★ | D+2.2 |
| Noble Predictive Insights | 19 | 8 | Sep 26 | ★★½ | D+0.5 |
| Tavern Research | 19 | 10 | Sep 17 | Not rated | R+2.3 |
| Wedgewood Polls | 19 | 18 | Oct 14 | Not rated | D+0.4 |
| GQR | 18 | 9 | Oct 5 | ★★ | D+1.2 |
| Harvard/Harris Poll/HarrisX | 18 | — | Sep 28 | Not rated | R+3.2 |
| Alaska Survey Research | 17 | 3 | Oct 3 | ★★ | D+1.1 |
| Marquette University Law School | 17 | — | Sep 9 | ★★★ | D+0.6 |
| The Bullfinch Group | 17 | 4 | Sep 6 | Not rated | D+5.8 |
| Focaldata/Financial Times | 16 | — | Sep 2 | Not rated | D+0.1 |
| Quinnipiac University | 15 | 3 | Oct 12 | ★★★ | D+0.1 |
| Texas Public Opinion Research | 15 | 4 | Sep 22 | Not rated | D+1.5 |
| Trafalgar Group | 15 | 11 | Oct 10 | ½ | R+1.4 |
| Tulchin Research | 15 | 11 | Sep 30 | ★ | D+2.4 |
| University of Texas/Texas Politics Project | 15 | 4 | Oct 5 | Not rated | R+0.1 |
| GrayHouse | 14 | 6 | Oct 8 | Not rated | R+3.6 |
| Lake Research Partners | 14 | 8 | Oct 4 | ★ | D+2.8 |
| Saint Anselm College | 14 | 3 | Sep 29 | Not rated | D+0.4 |
| Data for Progress | 13 | 6 | Aug 21 | ★★½ | R+0.5 |
| KSTP/SurveyUSA | 13 | 5 | Oct 12 | Not rated | R+0.3 |
| Suffolk University | 13 | 10 | Oct 11 | ★★★ | D+1.8 |
| SurveyUSA | 13 | 12 | Oct 11 | ★★★ | D+1.9 |
| Targoz Market Research | 13 | 5 | Oct 4 | ★★ | R+2.7 |
| Clarity Campaign Labs | 12 | — | Sep 16 | ★½ | D+0.6 |
| Glengariff Group | 12 | 4 | Sep 3 | ★½ | R+3.9 |
| Hart Research | 11 | 7 | Sep 24 | Not rated | D+0.2 |
| Hart Research Associates/Public Opinion Strategies | 11 | — | Sep 15 | ★★½ | D+0.4 |
| Abacus Data | 10 | 5 | Aug 28 | Not rated | D+1.3 |
| Siena College | 10 | 2 | Sep 17 | ★★½ | D+3.9 |
| ActiVote | 9 | 2 | Oct 14 | Not rated | R+0.6 |
| Focaldata | 9 | — | Oct 5 | Not rated | D+0.8 |
| John Zogby Strategies | 9 | 1 | Sep 17 | ★★ | R+0.3 |
| Ragnar Research Partners | 9 | 9 | Jun 16 | ★½ | R+4.1 |
| State Navigate | 9 | 6 | Oct 4 | Not rated | D+2.8 |
| Texas Southern University | 9 | 4 | Sep 19 | Not rated | R+1.1 |
| Bowling Green State University/YouGov | 8 | 2 | Oct 9 | Not rated | R+0.2 |
| DHM Research | 8 | 2 | Oct 1 | ★★ | R+0.1 |
| Harper Polling | 8 | 2 | Sep 15 | Not rated | R+1.1 |
| SSRS | 8 | 8 | Oct 5 | ★★½ | D+1.4 |
| Emerson College/WPRI-TV | 7 | 5 | Oct 11 | Not rated | D+5.2 |
| HighGround Inc. | 7 | 4 | Oct 8 | ★★ | D+4.6 |
| Mitchell Research & Communications | 7 | 2 | Oct 1 | ★★½ | Even |
| Public Opinion Strategies | 7 | 5 | Sep 14 | ★½ | R+5.5 |
| St. Pete Polls | 7 | 4 | Oct 7 | ★★½ | D+2.2 |
| University of North Florida | 7 | 3 | Jul 17 | Not rated | R+2.2 |
| Yahoo News/YouGov | 7 | — | Mar 16 | Not rated | D+1.1 |
| Z to A Research | 7 | 7 | Oct 1 | Not rated | D+0.6 |
| Braun Research/Vermont Public | 6 | 3 | Sep 21 | Not rated | R+4.0 |
| CBS News/YouGov | 6 | 1 | Oct 2 | Not rated | R+0.5 |
| CNN/SSRS | 6 | — | Sep 17 | Not rated | D+0.6 |
| Catawba College/YouGov | 6 | 1 | Sep 15 | Not rated | D+3.0 |
| EPIC-MRA | 6 | 2 | Aug 28 | ★★ | R+0.3 |
| Elon University/YouGov | 6 | 1 | Aug 31 | Not rated | D+0.6 |
| Guidant Polling & Strategy | 6 | 5 | Sep 28 | Not rated | D+0.3 |
| HarrisX/Forbes | 6 | — | Jun 7 | Not rated | R+0.8 |
| Opinion Diagnostics | 6 | 2 | Sep 25 | Not rated | R+3.6 |
| Peak Insights | 6 | 4 | Oct 12 | Not rated | R+6.2 |
| ReconMR/Siena University | 6 | 4 | Oct 8 | Not rated | D+2.7 |
| Research & Polling Inc. | 6 | 4 | Oct 9 | ★★ | R+0.7 |
| SoCal Strategies | 6 | 3 | Sep 13 | Not rated | R+1.6 |
| Stetson University | 6 | 2 | Oct 9 | Not rated | R+3.5 |
| The Washington Post/SSPG | 6 | 6 | Oct 5 | Not rated | D+1.1 |
| AtlasIntel | 5 | — | May 7 | ★★½ | D+4.3 |
| Concord Public Opinion Partners | 5 | 5 | Oct 8 | ★ | D+6.9 |
| Franklin & Marshall College | 5 | 3 | Sep 20 | Not rated | D+1.9 |
| Hart Research Associates | 5 | 4 | Sep 19 | Not rated | D+2.2 |
| National Public Affairs | 5 | 4 | Oct 5 | Not rated | R+4.8 |
| Normington Petts | 5 | 4 | Sep 28 | Not rated | D+1.6 |
| Texas A&M University/ReconMR/Siena University | 5 | 4 | Jul 30 | Not rated | D+1.3 |
| The New York Times/Siena College | 5 | — | Sep 13 | ★★★ | D+0.6 |
| Zenith Research | 5 | 4 | Sep 27 | Not rated | D+2.4 |
| AlphaROC | 4 | — | Sep 28 | Not rated | R+0.2 |
| Angus Reid Global | 4 | — | Sep 25 | ★★ | D+2.0 |
| Cygnal/Beacon Research | 4 | 4 | Sep 21 | Not rated | D+0.8 |
| East Carolina University | 4 | 1 | Oct 3 | Not rated | R+0.8 |
| FM3 Research | 4 | 4 | Jul 12 | ½ | D+1.8 |
| HarrisX/2WAY | 4 | — | Jul 10 | Not rated | R+0.6 |
| High Point University/YouGov | 4 | 1 | Aug 12 | Not rated | R+1.1 |
| J.L. Partners | 4 | 3 | Aug 18 | ★½ | R+2.8 |
| KTSP/SurveyUSA | 4 | 3 | Sep 14 | Not rated | R+0.4 |
| Lighthouse Research | 4 | 4 | Sep 24 | Not rated | R+1.1 |
| MDW Communications | 4 | 3 | Oct 10 | Not rated | D+1.1 |
| Marquette University | 4 | 1 | Sep 23 | Not rated | D+0.1 |
| Mason-Dixon | 4 | 4 | Oct 1 | Not rated | R+1.2 |
| MassINC Polling Group | 4 | 2 | Sep 22 | ★★★ | D+0.8 |
| Michigan State University/YouGov | 4 | 2 | Aug 20 | Not rated | D+0.9 |
| New York Times/Portland Press Herald/Siena University | 4 | 1 | Sep 22 | Not rated | D+0.9 |
| Noble Predictive Insights/The Center Square | 4 | — | Aug 16 | Not rated | R+0.2 |
| Overton Insights | 4 | 2 | Aug 26 | Not rated | D+0.3 |
| PennLive | 4 | 1 | Sep 22 | Not rated | D+4.3 |
| Stealth Analytics | 4 | 4 | Aug 13 | Not rated | R+2.0 |
| Stratus Intelligence | 4 | 4 | Sep 24 | Not rated | R+2.6 |
| Susquehanna Polling & Research Inc. | 4 | 2 | Sep 30 | ★★½ | R+1.5 |
| The New York Times/The Philadelphia Inquirer/Siena University | 4 | 1 | Sep 22 | Not rated | R+1.6 |
| UMass Amherst/YouGov | 4 | 2 | Aug 26 | Not rated | D+0.5 |
| UMass Lowell/YouGov | 4 | 2 | Sep 28 | Not rated | R+0.5 |
| Washington Post/ABC News/Ipsos | 4 | — | Apr 28 | Not rated | R+0.7 |
| yes. every kid. | 4 | 4 | Jul 11 | Not rated | D+1.0 |
| Advanced Targeting Research | 3 | 2 | Sep 16 | Not rated | D+6.0 |
| Arizona State University | 3 | 3 | Sep 4 | Not rated | D+1.2 |
| Berkeley IGS | 3 | 1 | Sep 20 | Not rated | D+0.7 |
| CHS & Associates | 3 | 3 | Aug 6 | Not rated | — |
| DCCC | 3 | 2 | Oct 5 | Not rated | D+2.3 |
| Equis Research | 3 | 3 | Sep 9 | Not rated | R+1.7 |
| Fabrizio, Lee & Associates | 3 | 3 | Oct 11 | ★½ | R+2.1 |
| Hendrix College | 3 | 2 | Oct 13 | ★ | D+2.5 |
| High Point University | 3 | 1 | Sep 16 | Not rated | D+0.8 |
| I&I/TIPP Insights | 3 | — | May 28 | Not rated | R+0.9 |
| Impact Research/National Research Inc. | 3 | — | Sep 21 | Not rated | D+0.2 |
| Independent Voter Project | 3 | 3 | Oct 2 | Not rated | R+2.2 |
| KFF | 3 | — | Sep 21 | ★★½ | D+1.7 |
| Mason-Dixon Polling & Strategy | 3 | 3 | Oct 7 | ★★½ | D+0.5 |
| NewsNation/DDHQ | 3 | — | Oct 29 | Not rated | R+0.3 |
| Pollfinity Research | 3 | 1 | Oct 12 | Not rated | R+2.8 |
| Public Policy Research/Texas Southern University | 3 | 3 | Aug 22 | Not rated | D+0.7 |
| Survey 160 | 3 | — | Apr 13 | Not rated | D+2.5 |
| Tarrance Group | 3 | 3 | Sep 30 | ★½ | R+2.1 |
| Texas A&M University/ReconMR | 3 | 3 | Jun 4 | Not rated | R+0.6 |
| The Public Sentiment Institute | 3 | 1 | Jun 16 | Not rated | D+0.9 |
| The Winston Group | 3 | — | Jun 2 | ★★½ | D+0.6 |
| Torchlight Strategies | 3 | 3 | Oct 2 | Not rated | R+1.6 |
| UT Tyler | 3 | 3 | Feb 22 | Not rated | R+1.3 |
| University of Houston/YouGov | 3 | 3 | Jan 31 | Not rated | R+1.2 |
| Wick | 3 | 3 | Oct 6 | ★½ | R+3.2 |
| 20/20 Insight | 2 | 1 | Oct 9 | ★ | — |
| A2 Insights | 2 | 1 | Jun 28 | Not rated | D+0.3 |
| Bellwether Research | 2 | 2 | Oct 11 | Not rated | D+0.9 |
| Bendixen & Amandi International | 2 | 2 | Aug 30 | ★ | D+1.2 |
| Blueprint Polling | 2 | 2 | Jul 28 | ★★½ | D+2.8 |
| Crosby for Congress | 2 | 1 | Sep 23 | Not rated | D+3.6 |
| DCCC Analytics Department | 2 | 2 | Sep 23 | Not rated | D+0.5 |
| DCCC Targeting Team | 2 | 2 | Sep 17 | Not rated | D+2.3 |
| EMC Research | 2 | 2 | Feb 22 | ★ | D+1.8 |
| Expedition Strategies | 2 | 1 | Sep 24 | ★ | D+0.5 |
| Fabrizio Ward | 2 | — | Dec 17 | Not rated | D+0.6 |
| Fund for Economic Independence | 2 | 1 | Nov 2 | Not rated | D+1.4 |
| GBAO/Third Way | 2 | — | Apr 15 | Not rated | D+0.8 |
| GreatBlue Research | 2 | 1 | Sep 8 | ★★ | Even |
| Kreate Strategies | 2 | 2 | Aug 16 | Not rated | D+0.4 |
| MAD Global Strategy | 2 | 2 | Jun 11 | Not rated | R+0.3 |
| Manhattan Institute | 2 | 1 | Oct 1 | Not rated | R+1.1 |
| Morning Consult/Cato Institute | 2 | — | Aug 16 | Not rated | Even |
| NextGen Polling | 2 | 1 | Aug 19 | Not rated | R+1.4 |
| PPIC | 2 | 1 | Sep 10 | Not rated | D+0.5 |
| Pennsylvania State University/YouGov | 2 | — | May 26 | Not rated | R+0.2 |
| Pew Research Center | 2 | — | Oct 4 | ★★½ | D+0.4 |
| Pulse Decision Science | 2 | 2 | Sep 27 | Not rated | R+4.8 |
| Pulse Science Decision | 2 | 1 | Jun 23 | Not rated | — |
| Rutgers University Eagleton Institute of Politics | 2 | 2 | Sep 7 | Not rated | R+0.2 |
| SEA Polling | 2 | 2 | Aug 30 | Not rated | — |
| Talker Research | 2 | — | Jul 2 | Not rated | D+1.1 |
| Texas Southern University/YouGov | 2 | 2 | May 5 | Not rated | R+0.9 |
| The Bullfinch Group/Independent Center | 2 | 2 | Jul 16 | Not rated | — |
| The Rainey Center | 2 | — | Sep 14 | Not rated | R+1.1 |
| The Tyson Group | 2 | 1 | Oct 8 | ★ | R+0.7 |
| The Washington Post/Ipsos | 2 | — | Jul 13 | Not rated | D+0.4 |
| UC Berkeley Citrin Center/TrueDot/Politico | 2 | 1 | Sep 14 | Not rated | R+0.5 |
| University of Massachusetts/YouGov | 2 | 2 | Sep 14 | Not rated | D+0.4 |
| University of Texas/YouGov | 2 | 2 | Jun 12 | Not rated | R+1.0 |
| Univision/YouGov | 2 | 2 | Sep 4 | Not rated | D+1.2 |
| Upswing Research | 2 | 2 | Sep 5 | Not rated | R+1.0 |
| Wave Polling/Verasight | 2 | — | Aug 11 | Not rated | D+0.4 |
| Yale Youth Poll | 2 | — | Mar 23 | Not rated | R+0.5 |
| YouGov Blue | 2 | 1 | Jul 31 | Not rated | D+0.2 |
| 1892 Polling | 1 | 1 | Sep 4 | ★½ | R+0.5 |
| 2040 Strategy Group | 1 | 1 | Jul 25 | Not rated | D+1.5 |
| AIF Center | 1 | 1 | Aug 27 | Not rated | R+4.0 |
| American Pulse | 1 | 1 | Sep 24 | Not rated | R+0.1 |
| American Pulse Research | 1 | 1 | Sep 24 | Not rated | R+0.4 |
| American Pulse Research & Polling | 1 | — | Jun 25 | Not rated | D+0.8 |
| Applecart | 1 | 1 | May 25 | Not rated | R+0.5 |
| Aspect Strategic | 1 | 1 | Sep 15 | Not rated | D+1.8 |
| BGSU/YouGov | 1 | — | Feb 18 | Not rated | D+0.8 |
| BSP Research | 1 | 1 | Aug 7 | Not rated | D+6.5 |
| Beacon Insights | 1 | 1 | May 2 | Not rated | — |
| Beacon Research | 1 | 1 | Oct 6 | ★ | D+2.1 |
| Bedrock Polling | 1 | 1 | Aug 10 | Not rated | D+0.4 |
| CBS/YouGov | 1 | 1 | Oct 1 | Not rated | R+0.3 |
| CEPP | 1 | 1 | May 26 | Not rated | D+0.4 |
| Center for Excellence in Polling | 1 | 1 | Jan 24 | Not rated | D+0.3 |
| Center for Strategic Politics | 1 | 1 | Oct 12 | Not rated | — |
| Centerline Research & Strategy | 1 | — | Oct 1 | Not rated | Even |
| Cherry Communications | 1 | 1 | May 9 | ★ | R+0.9 |
| Christopher Newport University | 1 | 1 | Oct 10 | Not rated | — |
| Data Targeting | 1 | 1 | Dec 8 | ★½ | R+0.7 |
| Deep Root Analytics | 1 | 1 | Aug 18 | Not rated | R+3.0 |
| Echelon Insights/Tusk Strategies | 1 | 1 | Mar 26 | Not rated | D+0.1 |
| Emerson College/RealClear Opinion Research | 1 | — | Sep 15 | Not rated | D+0.8 |
| Fabrizio/Impact Research | 1 | — | Jul 20 | Not rated | D+0.3 |
| FirstStrategic Communications and Public Affairs | 1 | 1 | Oct 1 | Not rated | — |
| Grassroots Targeting | 1 | 1 | Jul 6 | Not rated | R+1.9 |
| Hoffman Research Group | 1 | 1 | May 12 | ★½ | R+0.1 |
| Impact Research/BSP Research | 1 | — | Mar 20 | Not rated | R+0.2 |
| Independent Center Voice | 1 | 1 | Aug 1 | Not rated | — |
| Inquire LLC | 1 | 1 | Jul 29 | Not rated | R+4.0 |
| KARE 11/Minnesota Star Tribune | 1 | 1 | Oct 7 | Not rated | R+0.2 |
| Keating Research | 1 | 1 | Jul 23 | ★½ | — |
| MDW | 1 | 1 | Apr 3 | Not rated | D+1.1 |
| Maine People's Resource Center | 1 | 1 | Sep 29 | ★★ | R+0.1 |
| Miller Consulting Services | 1 | 1 | Sep 11 | Not rated | — |
| Mitchell Research | 1 | 1 | May 7 | Not rated | R+0.5 |
| Morris Predictive Insights/Verasight | 1 | — | May 20 | Not rated | D+0.8 |
| Moxie Strategies | 1 | 1 | Jul 28 | Not rated | R+0.3 |
| NHJournal/Praecones Analytica | 1 | 1 | Dec 28 | Not rated | D+0.6 |
| National Association of Independent Pollsters | 1 | — | Sep 13 | Not rated | R+0.5 |
| Neighborhood Research | 1 | 1 | Oct 6 | Not rated | D+1.2 |
| Next Gen Polling | 1 | 1 | Aug 19 | Not rated | R+0.3 |
| Nexus Strategies/Strategic Partners Solutions | 1 | 1 | Mar 9 | Not rated | D+2.3 |
| Normington Petts/Third Way | 1 | — | Sep 16 | Not rated | R+0.3 |
| OnMessage Public Strategies | 1 | 1 | Mar 8 | Not rated | R+0.1 |
| Platform Communications | 1 | 1 | Aug 13 | Not rated | R+3.1 |
| Polity Research Consulting | 1 | 1 | May 7 | Not rated | D+0.7 |
| Public Religion Research Institute | 1 | — | Sep 8 | ★★ | D+0.2 |
| RealClear Opinion Research | 1 | — | Apr 12 | Not rated | D+0.1 |
| Red Oak Strategic | 1 | 1 | Jul 12 | Not rated | R+2.2 |
| Research Co. | 1 | — | Jun 6 | ★★½ | D+0.1 |
| Resonance Media | 1 | 1 | Oct 3 | Not rated | R+0.4 |
| Rosetta Stone Communications | 1 | 1 | Oct 25 | Not rated | R+7.2 |
| Rutgers-Eagleton | 1 | 1 | Sep 7 | Not rated | D+2.6 |
| Sacred Heart University/WFSB/CT Insider | 1 | 1 | Jul 26 | Not rated | D+1.6 |
| Schoen Cooperman Research | 1 | 1 | Sep 3 | ★½ | D+0.4 |
| Siena University | 1 | 1 | Oct 6 | Not rated | D+1.3 |
| Slingshot Strategies | 1 | 1 | Apr 20 | ★½ | R+0.2 |
| StimSight Research | 1 | 1 | Sep 12 | Not rated | — |
| Strategies 360 | 1 | 1 | Aug 26 | ★½ | R+0.7 |
| TargetSmart | 1 | 1 | Sep 12 | ★★ | D+2.4 |
| The Public Sentiment Institute/Virginia Project | 1 | 1 | May 5 | Not rated | R+4.0 |
| TrueDot | 1 | — | Oct 9 | Not rated | R+0.2 |
| University of Houston | 1 | 1 | Oct 7 | Not rated | — |
| University of Houston/Texas Southern University | 1 | 1 | Oct 1 | Not rated | R+1.1 |
| University of Maryland, Baltimore County | 1 | 1 | Sep 27 | Not rated | — |
| Victory Insights | 1 | 1 | Jul 30 | ★½ | R+4.5 |
| Victory Research | 1 | 1 | Nov 24 | ★★ | — |
| VoteNexus | 1 | 1 | Oct 7 | Not rated | — |
| Voter Sciences | 1 | 1 | Aug 31 | Not rated | R+0.5 |
| YouGov/Saint Louis University | 1 | 1 | Aug 24 | Not rated | — |
| Zogby Analytics | 1 | — | Jul 4 | ★ | D+0.2 |
| i360 | 1 | — | Sep 12 | Not rated | D+0.1 |