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.
Pollster: Monmouth University Polling Institute Remove ×
Matching polls
67House polls by Monmouth University Polling Institute.
Polls per month
15
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 7–9, 2018 | 2018 New Jersey's 3rd congressional district election (2018) | A− Monmouth University Polling Institute | — | 300 | LV | — | Kim 45 · MacArthur 44 | D+1 | — | — | Release |
| Jul 19–22, 2018 | 2018 Pennsylvania's 17th congressional district election (2018)Not averaged | A− Monmouth University Polling Institute | — | 401 | RV | — | Lamb 51 · Rothfus 39 | D+12 | — | — | Release |
| Jul 19–22, 2018 | 2018 Pennsylvania's 17th congressional district election (2018) | A− Monmouth University Polling Institute | — | 355 | LV | — | Lamb 53 · Rothfus 40 | D+13 | — | — | Release |
| Jul 11–15, 2018 | 2018 California's 48th congressional district election (2018)Not averaged | A− Monmouth University Polling Institute | — | 402 | RV | — | Rouda 46 · Rohrabacher 43 | D+3 | — | — | Release |
| Jul 11–15, 2018 | 2018 California's 48th congressional district election (2018) | A− Monmouth University Polling Institute | — | 361 | LV | — | Rouda 47 · Rohrabacher 45 | D+2 | — | — | Release |
| Jun 22–25, 2018 | 2018 New Jersey's 11th congressional district election (2018)Not averaged | A− Monmouth University Polling Institute | — | 406 | RV | — | Sherrill 40 · Webber 38 | D+2 | — | — | Release |
| Jun 22–25, 2018 | 2018 New Jersey's 11th congressional district election (2018) | A− Monmouth University Polling Institute | — | 339 | LV | — | Sherrill 44 · Webber 40 | D+4 | — | — | Release |
| Jun 21–24, 2018 | 2018 Virginia's 10th congressional district election (2018)Not averaged | A− Monmouth University Polling Institute | — | 400 | RV | — | Wexton 49 · Comstock 39 | D+10 | — | — | Release |
| Jun 21–24, 2018 | 2018 Virginia's 10th congressional district election (2018) | A− Monmouth University Polling Institute | — | 338 | LV | — | Wexton 50 · Comstock 41 | D+9 | — | — | Release |
| Jun 14–19, 2018 | 2018 West Virginia's 3rd congressional district election (2018)Not averaged | A− Monmouth University Polling Institute | — | 428 | RV | — | Ojeda 43 · Miller 41 | D+2 | — | — | Release |
| Jun 14–19, 2018 | 2018 West Virginia's 3rd congressional district election (2018) | A− Monmouth University Polling Institute | — | 343 | LV | — | Ojeda 47 · Miller 41 | D+6 | — | — | Release |
| Jun 14–19, 2018 | 2018 West Virginia's 2nd congressional district election (2018)Not averaged | A− Monmouth University Polling Institute | — | 138 | RV | — | Sergent 33 · Mooney 51 | R+18 | — | — | Release |
| Jun 14–19, 2018 | 2018 West Virginia's 2nd congressional district election (2018) | A− Monmouth University Polling Institute | — | 138 | LV | — | Sergent 38 · Mooney 52 | R+14 | — | — | Release |
| Jun 14–19, 2018 | 2018 West Virginia's 1st congressional district election (2018)Not averaged | A− Monmouth University Polling Institute | — | 87 | RV | — | Fershee 22 · McKinley 68 | R+46 | — | — | Release |
| Jun 14–19, 2018 | 2018 West Virginia's 1st congressional district election (2018) | A− Monmouth University Polling Institute | — | 87 | LV | — | Fershee 24 · McKinley 72 | R+48 | — | — | Release |
| 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 |
Showing 51–67 of 67
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)