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
Jul 22–23, 20202020 United States Senate election in Minnesota (2020)B+ Public Policy Polling—1,218V—Smith 48 · Lewis 39D+9——Release
Jul 19–23, 20202020 United States Senate election in Michigan (2020)C− Redfield & Wilton Strategies—811LV—Peters 52 · James 35D+17——Release
Jul 22–23, 20202020 United States Senate election in Maine (2020)B+ Public Policy Polling—561V—Gideon 47 · Collins 42D+5——Release
Jul 14–23, 20202020 United States Senate special election in Arizona (2020)C Morning Consult—1,000LV—Kelly 49 · McSally 39D+10——Release
Jul 19–23, 20202020 United States Senate special election in Arizona (2020)C− Redfield & Wilton Strategies—858LV—Kelly 53 · McSally 35D+18——Release
Jul 13–22, 20202020 United States Senate election in Texas (2020)C Morning Consult—2,700LV—Hegar 40 · Cornyn 40Even——Release
Jul 13–22, 20202020 United States Senate election in South Carolina (2020)C Morning Consult—764LV—Harrison 42 · Graham 46R+4——Release
Jul 14–22, 20202020 United States Senate election in North Carolina (2020)B+ Marist UniversityNBC News882RV—Cunningham 50 · Tillis 41D+9——Release
Jul 22, 20202020 United States Senate election in Michigan (2020)B− Gravis Marketing—754LV—Peters 49 · James 39D+10——Release
Jul 13–22, 20202020 United States Senate election in Colorado (2020)C Morning Consult—600LV—Hickenlooper 50 · Gardner 41D+9——Release
Jul 14–22, 20202020 United States Senate special election in Arizona (2020)B+ Marist UniversityNBC News826RV—Kelly 53 · McSally 41D+12——Release
Jul 21–22, 20202020 United States Senate special election in Arizona (2020)B+ Public Policy Polling—816V—Kelly 51 · McSally 42D+9——Release
Jul 19–21, 20202020 United States Senate election in Michigan (2020)C− Marketing Resource Group—600LV—Peters 41 · James 34D+7——Release
Jul 16–20, 20202020 United States Senate election in Texas (2020)B− Spry Strategiesthe American Principles Project750LV—Hegar 37 · Cornyn 47R+10——Release
Jul 16–20, 20202020 United States Senate election in Texas (2020)A− Quinnipiac University—880RV—Hegar 38 · Cornyn 47R+9——Release
Jul 15–20, 20202020 United States Senate election in South Carolina (2020)B ALG ResearchLindsey Must Go591LV—Harrison 45 · Graham 49R+4——Release
Jul 18–20, 20202020 United States Senate election in Michigan (2020)B+ Beacon Research/Shaw & Company ResearchFox News756RV—Peters 48 · James 38D+10——Release
Jul 13–19, 20202020 United States Senate election in South Carolina (2020)C Brilliant Corners Research & StrategiesHarrison's campaign800LV—Harrison 41 · Graham 43R+2——Release
Jul 17, 20202020 United States Senate election in South Carolina (2020)B− Gravis Marketing—604LV—Harrison 41 · Graham 48R+7——Release
Jul 11–16, 20202020 United States Senate election in North Carolina (2020)B− Spry Strategiesthe American Principles Project750LV—Cunningham 40 · Tillis 40Even——Release
Jul 11–16, 20202020 United States Senate election in Montana (2020)B− Spry Strategiesthe American Principles Project700LV—Bullock 44 · Daines 47R+3——Release
Jul 11–16, 20202020 United States Senate election in Michigan (2020)B− Spry Strategiesthe American Principles Project600LV—Peters 47 · James 37D+10——Release
Jul 13–16, 20202020 United States Senate election in Michigan (2020)— Hodas & AssociatesRestoration PAC600LV—Peters 51 · James 40D+11——Release
Jul 11–16, 20202020 United States Senate election in Kentucky (2020)B− Spry Strategiesthe American Principles Project600LV—McGrath 33 · McConnell 55R+22——Release
Jul 11–16, 20202020 United States Senate election in Iowa (2020)B− Spry Strategiesthe American Principles Project701LV—Greenfield 45 · Ernst 43D+2——Release
Jul 11–16, 20202020 United States Senate special election in Arizona (2020)B− Spry Strategiesthe American Principles Project700LV—Kelly 48 · McSally 41D+7——Release
Jul 13–15, 20202020 United States Senate election in North Carolina (2020)B+ Cardinal Point Analytics—547LV—Cunningham 47 · Tillis 44D+3——Release
Jul 11–13, 20202020 United States Senate election in Montana (2020)B+ CiviqsDaily Kos873RV—Bullock 47 · Daines 49R+2——Release
Jul 10–12, 20202020 United States Senate election in North Carolina (2020)B+ Change ResearchCNBC655LV—Cunningham 49 · Tillis 42D+7——Release
Jul 10–12, 20202020 United States Senate election in Michigan (2020)B+ Change ResearchCNBC824LV—Peters 50 · James 43D+7——Release
Jul 7–12, 20202020 United States Senate election in Kentucky (2020)B+ Garin-Hart-Yang Research GroupMcGrath's campaign800LV—McGrath 41 · McConnell 45R+4——Release
Jul 10–12, 20202020 United States Senate special election in Arizona (2020)B+ Change ResearchCNBC345LV—Kelly 52 · McSally 45D+7——Release
Jul 7–10, 20202020 United States Senate election in Texas (2020)B− CBS News/YouGov—1,179LV—Hegar 36 · Cornyn 44R+8——Release
Jul 9–10, 20202020 United States Senate election in Montana (2020)B+ Public Policy Polling—1,224V—Bullock 46 · Daines 44D+2——Release
Jul 9–10, 20202020 United States Senate election in Michigan (2020)B+ Public Policy PollingGiffords1,041V—Peters 49 · James 42D+7——Release
Jul 7–10, 20202020 United States Senate special election in Arizona (2020)B− CBS News/YouGov—1,087LV—Kelly 46 · McSally 42D+4——Release
Jul 2–9, 20202020 United States Senate election in Alabama (2020)B− Auburn University At Montgomery—567RV—Jones 36 · Tuberville 44R+8——Release
Jul 7–8, 20202020 United States Senate election in North Carolina (2020)B+ Public Policy Polling—818V—Cunningham 47 · Tillis 39D+8——Release
Jun 29–Jul 7, 20202020 United States Senate election in Texas (2020)B Dallas Morning News/University of Texas at Tyler—1,677LV—Hegar 29 · Cornyn 42R+13——Release
Jul 6–7, 20202020 United States Senate special election in Arizona (2020)B OH Predictive Insights—600LV—Kelly 52 · McSally 43D+9——Release
Jul 2–3, 20202020 United States Senate election in Maine (2020)B+ Public Policy Polling—1,022V—Gideon 46 · Collins 42D+4——Release
Jun 29–Jul 2, 20202020 United States Senate election in Alabama (2020)B+ WPA Intelligencethe Club for Growth509LV—Jones 40 · Tuberville 50R+10——Release
Jun 29–30, 20202020 United States Senate election in Colorado (2020)B+ Public Policy Polling—840V—Hickenlooper 51 · Gardner 40D+11——Release
Jun 27–29, 20202020 United States Senate special election in Arizona (2020)A− Data Orbital—600LV—Kelly 50 · McSally 43D+7——Release
Jun 26–28, 20202020 United States Senate election in North Carolina (2020)B+ Change ResearchCNBC468LV—Cunningham 51 · Tillis 41D+10——Release
Jun 26–28, 20202020 United States Senate election in Michigan (2020)B+ Change ResearchCNBC699LV—Peters 49 · James 42D+7——Release
Jun 23–28, 20202020 United States Senate election in Iowa (2020)C+ GQRthe End Citizens United800LV—Greenfield 49 · Ernst 47D+2——Release
Jun 26–28, 20202020 United States Senate special election in Arizona (2020)B+ Change ResearchCNBC311LV—Kelly 53 · McSally 44D+9——Release
Jun 26–27, 20202020 United States Senate election in Michigan (2020)B+ Public Policy PollingProgress Michigan1,237V—Peters 47 · James 39D+8——Release
Jun 27, 20202020 United States Senate special election in Arizona (2020)B− Gravis MarketingOANN527LV—Kelly 42 · McSally 46R+4——Release
Showing 2,851–2,900 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)