B-
| Polls analyzed | 35 |
| Races called correctly | 91% |
| Most recent cycle | 2020 |
| Affiliated with professional polling organization (NCPP/AAPOR/Roper) | No |
How accurate are the polls from Research Co.?
Polls conducted within 21 days of an election (based on the poll’s median date) are used to determine the pollster’s grade.
2020
Key
A = Adults
RV = Registered voters
V = Voters
LV = Likely voters
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Oct 31-Nov 2 | 1,025LV | President (National) General election | Online | Poll Biden (D) +8.0 | Actual Biden (D) +4.5 | Difference 3.5 |
| Oct 31-Nov 1 | 450LV | Senate (NJ) General election | Online | Poll Booker (D) +23.0 | Actual Booker (D) +16.3 | Difference 6.7 |
| Oct 31-Nov 1 | 450LV | Senate (MN) General election | Online | Poll Smith (D) +11.0 | Actual Smith (D) +5.2 | Difference 5.8 |
| Oct 31-Nov 1 | 450LV | Senate (MI) General election | Online | Poll Peters (D) +15.0 | Actual Peters (D) +1.7 | Difference 13.3 |
| Oct 31-Nov 1 | 450LV | Senate (IL) General election | Online | Poll Durbin (D) +22.0 | Actual Durbin (D) +16.1 | Difference 5.9 |
| Oct 31-Nov 1 | 450LV | President (WI) General election | Online | Poll Biden (D) +8.0 | Actual Biden (D) +0.6 | Difference 7.4 |
| Oct 31-Nov 1 | 450LV | President (PA) General election | Online | Poll Biden (D) +6.0 | Actual Biden (D) +1.2 | Difference 4.8 |
| Oct 31-Nov 1 | 450LV | President (OH) General election | Online | Poll Even | Actual Trump (R) +8.0 | Difference 8.0 |
| Oct 31-Nov 1 | 450LV | President (NY) General election | Online | Poll Biden (D) +28.0 | Actual Biden (D) +23.1 | Difference 4.9 |
| Oct 31-Nov 1 | 450LV | President (NJ) General election | Online | Poll Biden (D) +18.0 | Actual Biden (D) +15.9 | Difference 2.1 |
| Oct 31-Nov 1 | 450LV | President (MN) General election | Online | Poll Biden (D) +9.0 | Actual Biden (D) +7.1 | Difference 1.9 |
| Oct 31-Nov 1 | 450LV | President (MI) General election | Online | Poll Biden (D) +7.0 | Actual Biden (D) +2.8 | Difference 4.2 |
| Oct 31-Nov 1 | 450LV | President (IL) General election | Online | Poll Biden (D) +17.0 | Actual Biden (D) +17.0 | Difference 0.0 |
| Oct 16-18 | 1,035LV | President (National) General election | Online | Poll Biden (D) +8.0 | Actual Biden (D) +4.5 | Difference 3.5 |
2018
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Nov 1-3 | 450RV | Governor (WI) General election | Online | Poll Evers (D) +1.0 | Actual Evers (D) +1.1 | Difference 0.1 |
| Nov 1-3 | 450RV | Governor (PA) General election | Online | Poll Wolf (D) +15.0 | Actual Wolf (D) +17.1 | Difference 2.1 |
| Nov 1-3 | 450RV | Governor (OH) General election | Online | Poll Even | Actual DeWine (R) +3.7 | Difference 3.7 |
| Nov 1-3 | 450RV | Governor (NY) General election | Online | Poll Cuomo (D) +17.0 | Actual Cuomo (D) +23.4 | Difference 6.4 |
| Nov 1-3 | 450RV | Governor (NM) General election | Online | Poll Lujan Grisham (D) +12.0 | Actual Lujan Grisham (D) +14.4 | Difference 2.4 |
| Nov 1-3 | 450RV | Governor (MN) General election | Online | Poll Walz (D) +6.0 | Actual Walz (D) +11.4 | Difference 5.4 |
| Nov 1-3 | 450RV | Governor (MI) General election | Online | Poll Whitmer (D) +4.0 | Actual Whitmer (D) +9.6 | Difference 5.6 |
| Nov 1-3 | 450RV | Governor (FL) General election | Online | Poll Gillum (D) +1.0 | Actual DeSantis (R) +0.4 | Difference 1.4 |
| Nov 1-3 | 450RV | Governor (CA) General election | Online | Poll Newsom (D) +20.0 | Actual Newsom (D) +23.9 | Difference 3.9 |
| Nov 1-3 | 450RV | Governor (AZ) General election | Online | Poll Ducey (R) +15.0 | Actual Ducey (R) +14.2 | Difference 0.8 |
| Nov 1-3 | 450RV | Senate (MN) Special election | Online | Poll Smith (D) +10.0 | Actual Smith (D) +10.6 | Difference 0.6 |
| Nov 1-3 | 450RV | Senate (WI) General election | Online | Poll Baldwin (D) +11.0 | Actual Baldwin (D) +10.8 | Difference 0.2 |
| Nov 1-3 | 450RV | Senate (PA) General election | Online | Poll Casey (D) +17.0 | Actual Casey (D) +13.1 | Difference 3.9 |
| Nov 1-3 | 450RV | Senate (OH) General election | Online | Poll Brown (D) +14.0 | Actual Brown (D) +6.8 | Difference 7.2 |
| Nov 1-3 | 450RV | Senate (NY) General election | Online | Poll Gillibrand (D) +28.0 | Actual Gillibrand (D) +34.0 | Difference 6.0 |
| Nov 1-3 | 450RV | Senate (NM) General election | Online | Poll Heinrich (D) +14.0 | Actual Heinrich (D) +23.6 | Difference 9.6 |
| Nov 1-3 | 450RV | Senate (MN) General election | Online | Poll Klobuchar (D) +20.0 | Actual Klobuchar (D) +24.1 | Difference 4.1 |
| Nov 1-3 | 450RV | Senate (MI) General election | Online | Poll Stabenow (D) +16.0 | Actual Stabenow (D) +6.5 | Difference 9.5 |
| Nov 1-3 | 450RV | Senate (FL) General election | Online | Poll Nelson (D) +1.0 | Actual Scott (R) +0.1 | Difference 1.1 |
| Nov 1-3 | 450RV | Senate (CA) General election | Online | Poll Feinstein (D) +19.0 | Actual Feinstein (D) +8.3 | Difference 10.7 |
| Nov 1-3 | 450RV | Senate (AZ) General election | Online | Poll Sinema (D) +1.0 | Actual Sinema (D) +2.3 | Difference 1.3 |
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