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
145Polls by Monmouth University Polling Institute.
Polls per month
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Latest poll in the database ended Nov 2, 2026. Source: 99chambers polls database
| Dates | Question | Pollster | Sponsor | Sample | Pop. | Mode | Result | Margin | Adjusted | vs result | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 31–Jun 3, 2018 | 2018 Pennsylvania's 1st congressional district election (2018)Not averaged | A− Monmouth University Polling Institute | — | 451 | RV | — | Wallace 42 · Fitzpatrick 49 | R+7 | — | — | Release |
| May 31–Jun 3, 2018 | 2018 Pennsylvania's 1st congressional district election (2018) | A− Monmouth University Polling Institute | — | 254 | LV | — | Wallace 47 · Fitzpatrick 48 | R+1 | — | — | Release |
| Apr 6–10, 2018 | 2018 United States Senate election in New Jersey (2018) | A− Monmouth University Polling Institute | — | 632 | V | — | Menendez 53 · Hugin 32 | D+21 | — | — | Release |
| Oct 30–Nov 2, 2016 | 2016 Utah gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Weinholtz 30 · Herbert 63 | R+33 | — | — | Release |
| Oct 30–Nov 2, 2016 | 2016 United States Senate election in Utah (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Snow 28 · Lee 61 | R+33 | — | — | Release |
| Oct 29–Nov 1, 2016 | 2016 United States Senate election in Pennsylvania (2016) | A− Monmouth University Polling Institute | — | 403 | V | — | McGinty 47 · Toomey 44 | D+3 | — | — | Release |
| Oct 28–31, 2016 | 2016 Missouri gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 405 | V | — | Koster 46 · Greitens 46 | Even | — | — | Release |
| Oct 28–31, 2016 | 2016 United States Senate election in Missouri (2016) | A− Monmouth University Polling Institute | — | 405 | V | — | Kander 46 · Blunt 47 | R+1 | — | — | Release |
| Oct 27–30, 2016 | 2016 Indiana gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Gregg 48 · Holcomb 42 | D+6 | — | — | Release |
| Oct 27–30, 2016 | 2016 United States Senate election in Indiana (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Bayh 45 · Young 45 | Even | — | — | Release |
| Oct 22–25, 2016 | 2016 New Hampshire gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 401 | V | — | Ostern 48 · Sununu 43 | D+5 | — | — | Release |
| Oct 22–25, 2016 | 2016 United States Senate election in New Hampshire (2016) | A− Monmouth University Polling Institute | — | 401 | V | — | Hassan 46 · Ayotte 46 | Even | — | — | Release |
| Oct 21–24, 2016 | 2016 United States Senate election in Arizona (2016) | A− Monmouth University Polling Institute | — | 401 | V | — | Kirkpatrick 40 · McCain 50 | R+10 | — | — | Release |
| Oct 20–23, 2016 | 2016 North Carolina gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Cooper 47 · McCrory 48 | R+1 | — | — | Release |
| Oct 20–23, 2016 | 2016 United States Senate election in North Carolina (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Ross 43 · Burr 49 | R+6 | — | — | Release |
| Oct 15–18, 2016 | 2016 United States Senate election in Wisconsin (2016) | A− Monmouth University Polling Institute | — | 403 | V | — | Feingold 52 · Johnson 44 | D+8 | — | — | Release |
| Oct 14–17, 2016 | 2016 United States Senate election in Nevada (2016) | A− Monmouth University Polling Institute | — | 413 | LV | — | Masto 42 · Heck 45 | R+3 | — | — | Release |
| Oct 11–13, 2016 | 2016 Indiana gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Gregg 50 · Holcomb 38 | D+12 | — | — | Release |
| Oct 11–13, 2016 | 2016 United States Senate election in Indiana (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Bayh 48 · Young 42 | D+6 | — | — | Release |
| Oct 10–12, 2016 | 2016 Utah gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 403 | V | — | Weinholtz 30 · Herbert 63 | R+33 | — | — | Release |
| Oct 10–12, 2016 | 2016 United States Senate election in Utah (2016) | A− Monmouth University Polling Institute | — | 403 | V | — | Snow 31 · Lee 60 | R+29 | — | — | Release |
| Oct 9–11, 2016 | 2016 Missouri gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 406 | V | — | Koster 46 · Greitens 43 | D+3 | — | — | Release |
| Oct 9–11, 2016 | 2016 United States Senate election in Missouri (2016) | A− Monmouth University Polling Institute | — | 406 | V | — | Kander 44 · Blunt 46 | R+2 | — | — | Release |
| Oct 1–4, 2016 | 2016 United States Senate election in Ohio (2016) | A− Monmouth University Polling Institute | — | 405 | V | — | Strickland 39 · Portman 54 | R+15 | — | — | Release |
| Sep 30–Oct 3, 2016 | 2016 United States Senate election in Pennsylvania (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | McGinty 46 · Toomey 46 | Even | — | — | Release |
| Sep 29–Oct 2, 2016 | 2016 United States Senate election in Colorado (2016) | A− Monmouth University Polling Institute | — | 400 | V | — | Bennet 53 · Glenn 35 | D+18 | — | — | Release |
| Sep 17–20, 2016 | 2016 New Hampshire gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 400 | V | — | Ostern 43 · Sununu 49 | R+6 | — | — | Release |
| Sep 17–20, 2016 | 2016 United States Senate election in New Hampshire (2016) | A− Monmouth University Polling Institute | — | 400 | V | — | Hassan 45 · Ayotte 47 | R+2 | — | — | Release |
| Sep 16–19, 2016 | 2016 United States Senate election in Florida (2016) | A− Monmouth University Polling Institute | — | 400 | V | — | Murphy 45 · Rubio 47 | R+2 | — | — | Release |
| Sep 15–18, 2016 | 2016 United States Senate election in Georgia (2016) | A− Monmouth University Polling Institute | — | 401 | V | — | Barksdale 34 · Isakson 50 | R+16 | — | — | Release |
| Sep 12–14, 2016 | 2016 United States Senate election in Iowa (2016) | A− Monmouth University Polling Institute | — | 404 | V | — | Judge 39 · Grassley 56 | R+17 | — | — | Release |
| Sep 11–13, 2016 | 2016 United States Senate election in Nevada (2016) | A− Monmouth University Polling Institute | — | 406 | LV | — | Masto 43 · Heck 46 | R+3 | — | — | Release |
| Aug 27–30, 2016 | 2016 United States Senate election in Wisconsin (2016) | A− Monmouth University Polling Institute | — | 404 | V | — | Feingold 54 · Johnson 41 | D+13 | — | — | Release |
| Aug 26–29, 2016 | 2016 United States Senate election in Pennsylvania (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | McGinty 45 · Toomey 41 | D+4 | — | — | Release |
| Aug 20–23, 2016 | 2016 North Carolina gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 401 | V | — | Cooper 52 · McCrory 43 | D+9 | — | — | Release |
| Aug 20–23, 2016 | 2016 United States Senate election in North Carolina (2016) | A− Monmouth University Polling Institute | — | 401 | V | — | Ross 43 · Burr 45 | R+2 | — | — | Release |
| Aug 19–22, 2016 | 2016 Missouri gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 401 | V | — | Koster 51 · Greitens 40 | D+11 | — | — | Release |
| Aug 19–22, 2016 | 2016 United States Senate election in Missouri (2016) | A− Monmouth University Polling Institute | — | 401 | V | — | Kander 43 · Blunt 48 | R+5 | — | — | Release |
| Aug 18–21, 2016 | 2016 United States Senate election in Ohio (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Strickland 40 · Portman 48 | R+8 | — | — | Release |
| Aug 13–16, 2016 | 2016 Indiana gubernatorial election (2016) | A− Monmouth University Polling Institute | — | 403 | V | — | Gregg 41 · Holcomb 42 | R+1 | — | — | Release |
| Aug 13–16, 2016 | 2016 United States Senate election in Indiana (2016) | A− Monmouth University Polling Institute | — | 403 | V | — | Bayh 48 · Young 41 | D+7 | — | — | Release |
| Aug 12–15, 2016 | 2016 United States Senate election in Florida (2016) | A− Monmouth University Polling Institute | — | 402 | V | — | Murphy 43 · Rubio 48 | R+5 | — | — | Release |
| Jul 9–12, 2016 | 2016 United States Senate election in Colorado (2016) | A− Monmouth University Polling Institute | — | 404 | V | — | Bennet 48 · Glenn 35 | D+13 | — | — | Release |
| Jul 8–11, 2016 | 2016 United States Senate election in Iowa (2016) | A− Monmouth University Polling Institute | — | 401 | V | — | Judge 42 · Grassley 52 | R+10 | — | — | Release |
| Jul 7–10, 2016 | 2016 United States Senate election in Nevada (2016) | A− Monmouth University Polling Institute | — | 408 | LV | — | Masto 40 · Heck 42 | R+2 | — | — | Release |
Showing 101–145 of 145
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)