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
Jun 17–26, 20202020 United States Senate election in Montana (2020)C+ University of Montana—517RV—Bullock 47 · Daines 43D+4——Release
Jun 24–25, 20202020 United States Senate election in Texas (2020)B+ Public Policy Polling—729RV—Hegar 35 · Cornyn 42R+7——Release
Jun 22–25, 20202020 United States Senate election in North Carolina (2020)A− East Carolina University—1,149RV—Cunningham 41 · Tillis 41Even——Release
Jun 20–24, 20202020 United States Senate election in Maine (2020)C Moore Information Groupthe NRSC600RV—Gideon 37 · Collins 45R+8——Release
Jun 19–24, 20202020 United States Senate special election in Arizona (2020)C Global Strategy Group—800LV—Kelly 49 · McSally 42D+7——Release
Jun 20–23, 20202020 United States Senate election in Texas (2020)A− Fox News—1,001RV—Hegar 36 · Cornyn 46R+10——Release
Jun 20–23, 20202020 United States Senate election in North Carolina (2020)A− Fox News—1,012RV—Cunningham 39 · Tillis 37D+2——Release
Jun 22–23, 20202020 United States Senate election in North Carolina (2020)B+ Public Policy Polling—1,157V—Cunningham 44 · Tillis 40D+4——Release
Jun 20–23, 20202020 United States Senate special election in Arizona (2020)B+ Change Research314 Action946LV—Kelly 50 · McSally 42D+8——Release
Jun 18–22, 20202020 United States Senate election in New Hampshire (2020)C University of New Hampshire—932LV—Shaheen 50 · Messner 37D+13——Release
Jun 18–22, 20202020 United States Senate election in Alabama (2020)B ALG Research—600LV—Jones 44 · Tuberville 47R+3——Release
Jun 17–20, 20202020 United States Senate election in Michigan (2020)— Hodas & AssociatesRestoration PAC600LV—Peters 51 · James 38D+13——Release
Jun 8–18, 20202020 United States Senate election in North Carolina (2020)A The New York Times/Siena University—653RV—Cunningham 42 · Tillis 39D+3——Release
Jun 14–17, 20202020 United States Senate election in North Carolina (2020)C− Redfield & Wilton Strategies—902LV—Cunningham 45 · Tillis 36D+9——Release
Jun 17, 20202020 United States Senate election in North Carolina (2020)B− Gravis MarketingOANN631RV—Cunningham 45 · Tillis 46R+1——Release
Jun 8–17, 20202020 United States Senate election in Michigan (2020)A Siena CollegeThe New York Times610RV—Peters 41 · James 31D+10——Release
Jun 14–17, 20202020 United States Senate special election in Arizona (2020)C− Redfield & Wilton Strategies—865LV—Kelly 49 · McSally 34D+15——Release
Jun 14–16, 20202020 United States Senate election in Michigan (2020)C− Redfield & Wilton Strategies—826LV—Peters 50 · James 32D+18——Release
Jun 8–16, 20202020 United States Senate special election in Arizona (2020)A The New York Times/Siena University—650RV—Kelly 47 · McSally 38D+9——Release
Jun 13–16, 20202020 United States Senate election in Alabama (2020)A+ Cygnal—530LV—Jones 36 · Tuberville 50R+14——Release
Jun 12–15, 20202020 United States Senate election in Michigan (2020)C− Marketing Resource Group—600LV—Peters 36 · James 30D+6——Release
Jun 13–15, 20202020 United States Senate election in Kentucky (2020)B Civiqs/Data for Progress—898RV—McGrath 33 · McConnell 53R+20——Release
Jun 13–15, 20202020 United States Senate special election in Arizona (2020)B+ CiviqsDaily Kos1,368RV—Kelly 51 · McSally 42D+9——Release
Jun 12–13, 20202020 United States Senate election in New Mexico (2020)B+ Public Policy Polling—740V—Luján 48 · Ronchetti 34D+14——Release
Jun 9–12, 20202020 United States Senate election in Michigan (2020)A− TIPP InsightsAmerican Greatness907RV—Peters 47 · James 35D+12——Release
Jun 7–10, 20202020 United States Senate election in Iowa (2020)A+ Selzer & Co.Des Moines Register674LV—Greenfield 46 · Ernst 43D+3——Release
Jun 6–8, 20202020 United States Senate election in Iowa (2020)B+ CiviqsDaily Kos865RV—Greenfield 48 · Ernst 45D+3——Release
May 31–Jun 7, 20202020 United States Senate election in Michigan (2020)C− Kiaer Research—543LV—Peters 48 · James 32D+16——Release
Jun 3–4, 20202020 United States Senate election in Iowa (2020)B+ Public Policy PollingEmily's List963V—Greenfield 45 · Ernst 43D+2——Release
Jun 2–3, 20202020 United States Senate election in North Carolina (2020)B+ Public Policy Polling—913V—Cunningham 43 · Tillis 41D+2——Release
May 30–Jun 3, 20202020 United States Senate election in Michigan (2020)A− EPIC-MRA—600LV—Peters 51 · James 36D+15——Release
May 30–Jun 2, 20202020 United States Senate special election in Arizona (2020)A− Fox News—1,002RV—Kelly 50 · McSally 37D+13——Release
May 30–Jun 1, 20202020 United States Senate election in Kansas (2020)B+ CiviqsDaily Kos699RV—Bollier 41 · Marshall 42R+1——Release
May 29–30, 20202020 United States Senate election in Michigan (2020)B+ Public Policy PollingProgress Michigan1,582V—Peters 48 · James 39D+9——Release
May 26–28, 20202020 United States Senate election in North Carolina (2020)B+ Harper Polling/Civitas—500LV—Cunningham 36 · Tillis 38R+2——Release
May 27–28, 20202020 United States Senate election in Mississippi (2020)B+ Public Policy Pollingthe Mississippi Democratic Party871V—Espy 41 · Hyde-Smith 49R+8——Release
May 26–28, 20202020 United States Senate election in Minnesota (2020)B+ Harper PollingLewis' campaign510LV—Smith 46 · Lewis 35D+11——Release
May 23–26, 20202020 United States Senate election in South Carolina (2020)B+ CiviqsDaily Kos591RV—Harrison 42 · Graham 42Even——Release
May 21–24, 20202020 United States Senate election in Kentucky (2020)B+ RMG ResearchU.S500RV—McGrath 41 · McConnell 40D+1——Release
May 18–22, 20202020 United States Senate special election in Arizona (2020)C HighGround Public Affairs—400LV—Kelly 51 · McSally 41D+10——Release
May 17–19, 20202020 United States Senate election in Kansas (2020)C NMB Researchthe Marshall campaign506LV—Bollier 35 · Marshall 46R+11——Release
May 14–18, 20202020 United States Senate election in New Hampshire (2020)C University of New Hampshire—788LV—Shaheen 52 · Messner 34D+18——Release
May 13–18, 20202020 United States Senate election in Maine (2020)— Victory Geek—512LV—Gideon 51 · Collins 42D+9——Release
May 14–18, 20202020 United States Senate election in Alabama (2020)D FM3 ResearchJones' campaign601LV—Jones 44 · Tuberville 47R+3——Release
May 11–17, 20202020 United States Senate election in Michigan (2020)B+ Change ResearchCrooked Media3,070LV—Peters 48 · James 43D+5——Release
May 9–13, 20202020 United States Senate election in North Carolina (2020)B− Meeting Street Insights—500RV—Cunningham 46 · Tillis 44D+2——Release
May 9–11, 20202020 United States Senate special election in Arizona (2020)B OH Predictive Insights—600LV—Kelly 51 · McSally 38D+13——Release
May 7–9, 20202020 United States Senate election in North Carolina (2020)A− East Carolina University—1,111RV—Cunningham 41 · Tillis 40D+1——Release
May 4–7, 20202020 United States Senate election in Mississippi (2020)— Impact Management Group—606LV—Espy 31 · Hyde-Smith 58R+27——Release
May 1–5, 20202020 United States Senate election in Michigan (2020)— Hodas & AssociatesRestoration PAC600LV—Peters 48 · James 36D+12——Release
Showing 2,901–2,950 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)