C-
| Polls analyzed | 72 |
| Races called correctly | 69% |
| Most recent cycle | 2020 |
| Affiliated with professional polling organization (NCPP/AAPOR/Roper) | No |
How accurate are the polls from Mitchell Research & Communications?
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 29 | 817LV | Senate (MI) General election | IVR/Text | Poll Peters (D) +5.4 | Actual Peters (D) +1.7 | Difference 3.7 |
| Oct 29 | 817LV | President (MI) General election | IVR/Text | Poll Biden (D) +7.1 | Actual Biden (D) +2.8 | Difference 4.3 |
| Oct 25-27 | 759LV | Senate (MI) General election | IVR/Text | Poll Peters (D) +9.6 | Actual Peters (D) +1.7 | Difference 7.9 |
| Oct 25-27 | 759LV | President (MI) General election | IVR/Text | Poll Biden (D) +10.4 | Actual Biden (D) +2.8 | Difference 7.6 |
| Oct 18 | 900LV | President (MI) General election | IVR/Live Phone | Poll Biden (D) +10.0 | Actual Biden (D) +2.8 | Difference 7.2 |
| Oct 18 | 900LV | Senate (MI) General election | IVR/Live Phone | Poll Peters (D) +6.0 | Actual Peters (D) +1.7 | Difference 4.3 |
| Mar 8 | 602LV | President (MI) Democratic primary | IVR | Poll Biden (D) +21.7 | Actual Biden (D) +16.6 | Difference 5.1 |
2018
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Nov 5 | 827LV | Senate (MI) General election | IVR | Poll Stabenow (D) +3.0 | Actual Stabenow (D) +6.5 | Difference 3.5 |
| Nov 5 | 827LV | Governor (MI) General election | IVR | Poll Whitmer (D) +7.8 | Actual Whitmer (D) +9.6 | Difference 1.8 |
| Nov 4 | 701LV | Senate (MI) General election | IVR | Poll Stabenow (D) +7.0 | Actual Stabenow (D) +6.5 | Difference 0.5 |
| Nov 4 | 701LV | Governor (MI) General election | IVR | Poll Whitmer (D) +14.0 | Actual Whitmer (D) +9.6 | Difference 4.4 |
| Oct 25 | 400LV | Governor (MI) General election | IVR | Poll Whitmer (D) +5.0 | Actual Whitmer (D) +9.6 | Difference 4.6 |
| Oct 25 | 400LV | Senate (MI) General election | IVR | Poll Stabenow (D) +6.0 | Actual Stabenow (D) +6.5 | Difference 0.5 |
2016
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Nov 6 | 1,011LV | President (MI) General election | IVR | Poll Clinton (D) +6.0 | Actual Trump (R) +0.2 | Difference 6.2 |
| Nov 3 | 1,007LV | President (MI) General election | IVR | Poll Clinton (D) +5.0 | Actual Trump (R) +0.2 | Difference 5.2 |
| Nov 2 | 1,150LV | President (MI) General election | IVR | Poll Clinton (D) +5.0 | Actual Trump (R) +0.2 | Difference 5.2 |
| Nov 2 | 1,150LV | President (MI) General election | IVR | Poll Clinton (D) +3.0 | Actual Trump (R) +0.2 | Difference 3.2 |
| Nov 1 | 887LV | President (MI) General election | IVR | Poll Clinton (D) +5.0 | Actual Trump (R) +0.2 | Difference 5.2 |
| Nov 1 | 887LV | President (MI) General election | IVR | Poll Clinton (D) +3.0 | Actual Trump (R) +0.2 | Difference 3.2 |
| Oct 31 | 737LV | President (MI) General election | IVR | Poll Clinton (D) +6.0 | Actual Trump (R) +0.2 | Difference 6.2 |
| Oct 31 | 737LV | President (MI) General election | IVR | Poll Clinton (D) +7.0 | Actual Trump (R) +0.2 | Difference 7.2 |
| Oct 30 | 953LV | President (MI) General election | IVR | Poll Clinton (D) +6.0 | Actual Trump (R) +0.2 | Difference 6.2 |
| Oct 30 | 953LV | President (MI) General election | IVR | Poll Clinton (D) +8.5 | Actual Trump (R) +0.2 | Difference 8.7 |
| Oct 25 | 1,030LV | President (MI) General election | IVR | Poll Clinton (D) +6.0 | Actual Trump (R) +0.2 | Difference 6.2 |
| Oct 23 | 1,241LV | President (MI) General election | IVR | Poll Clinton (D) +8.0 | Actual Trump (R) +0.2 | Difference 8.2 |
| Oct 18 | 1,102LV | President (MI) General election | IVR | Poll Clinton (D) +12.0 | Actual Trump (R) +0.2 | Difference 12.2 |
| Oct 18 | 1,102LV | President (MI) General election | IVR | Poll Clinton (D) +13.0 | Actual Trump (R) +0.2 | Difference 13.2 |
| Mar 7 | 472LV | President (MI) Republican primary | IVR | Poll Trump (R) +23.0 | Actual Trump (R) +11.9 | Difference 11.1 |
| Mar 7 | 482LV | President (MI) Democratic primary | IVR | Poll Clinton (D) +27.0 | Actual Sanders (D) +1.4 | Difference 28.4 |
| Mar 6 | 663LV | President (MI) Republican primary | IVR | Poll Trump (R) +23.0 | Actual Trump (R) +11.9 | Difference 11.1 |
| Mar 6 | 475LV | President (MI) Democratic primary | IVR | Poll Clinton (D) +37.0 | Actual Sanders (D) +1.4 | Difference 38.4 |
| Mar 2-3 | 616LV | President (MI) Democratic primary | IVR | Poll Clinton (D) +18.0 | Actual Sanders (D) +1.4 | Difference 19.4 |
| Mar 2 | 643LV | President (MI) Republican primary | IVR | Poll Trump (R) +23.0 | Actual Trump (R) +11.9 | Difference 11.1 |
| Mar 1 | 679LV | President (MI) Republican primary | IVR | Poll Trump (R) +25.0 | Actual Trump (R) +11.9 | Difference 13.1 |
| Mar 1 | 427LV | President (MI) Democratic primary | IVR | Poll Clinton (D) +28.0 | Actual Sanders (D) +1.4 | Difference 29.4 |
| Feb 23 | 459LV | President (MI) Republican primary | IVR | Poll Trump (R) +25.0 | Actual Trump (R) +11.9 | Difference 13.1 |
| Feb 23 | 344LV | President (MI) Democratic primary | IVR | Poll Clinton (D) +34.0 | Actual Sanders (D) +1.4 | Difference 35.4 |
2014
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Nov 2 | 1,224LV | Governor (MI) General election | IVR | Poll Even | Actual Snyder (R) +4.1 | Difference 4.1 |
| Nov 2 | 1,224LV | Senate (MI) General election | IVR | Poll Peters (D) +12.0 | Actual Peters (D) +13.3 | Difference 1.3 |
| Oct 27 | 1,159LV | Governor (MI) General election | IVR | Poll Snyder (R) +4.9 | Actual Snyder (R) +4.1 | Difference 0.8 |
| Oct 27 | 1,159LV | Senate (MI) General election | IVR | Poll Peters (D) +14.1 | Actual Peters (D) +13.3 | Difference 0.8 |
| Oct 19 | 919LV | Governor (MI) General election | IVR | Poll Snyder (R) +2.3 | Actual Snyder (R) +4.1 | Difference 1.8 |
| Oct 19 | 919LV | Senate (MI) General election | IVR | Poll Peters (D) +13.6 | Actual Peters (D) +13.3 | Difference 0.3 |
| Oct 15 | 472LV | House (MI-11) General election | IVR | Poll Trott (R) +12.0 | Actual Trott (R) +15.4 | Difference 3.4 |
2012
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Nov 4 | 1,305LV | Senate (MI) General election | IVR | Poll Stabenow (D) +14.0 | Actual Stabenow (D) +20.8 | Difference 6.8 |
| Nov 4 | 1,305LV | President (MI) General election | IVR | Poll Obama (D) +5.0 | Actual Obama (D) +9.5 | Difference 4.5 |
| Feb 27 | 781LV | President (MI) Republican primary | IVR | Poll Romney (R) +1.0 | Actual Romney (R) +3.2 | Difference 2.2 |
| Feb 26 | 858LV | President (MI) Republican primary | IVR | Poll Santorum (R) +2.0 | Actual Romney (R) +3.2 | Difference 5.2 |
| Feb 23 | 430LV | President (MI) Republican primary | IVR | Poll Romney (R) +3.0 | Actual Romney (R) +3.2 | Difference 0.2 |
| Feb 20 | 420LV | President (MI) Republican primary | IVR | Poll Romney (R) +2.0 | Actual Romney (R) +3.2 | Difference 1.2 |
| Feb 14 | 455LV | President (MI) Republican primary | IVR | Poll Santorum (R) +9.0 | Actual Romney (R) +3.2 | Difference 12.2 |
2008
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Nov 3 | 400LV | President (MI) General election | Live Phone | Poll Obama (D) +16.0 | Actual Obama (D) +16.5 | Difference 0.5 |
| Oct 26-30 | 600LV | President (MI) General election | Live Phone | Poll Obama (D) +14.0 | Actual Obama (D) +16.5 | Difference 2.5 |
| Jan 27-28 | 964LV | President (FL) Republican primary | Live Phone | Poll Romney (R) +2.0 | Actual McCain (R) +5.0 | Difference 7.0 |
| Jan 27-28 | 906LV | President (FL) Democratic primary | Live Phone | Poll Clinton (D) +27.0 | Actual Clinton (D) +16.8 | Difference 10.2 |
| Jan 12-14 | 589LV | President (MI) Republican primary | Live Phone | Poll Romney (R) +6.0 | Actual Romney (R) +9.2 | Difference 3.2 |
2004
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Oct 26-28 | 600LV | President (MI) General election | Live Phone | Poll Kerry (D) +2.0 | Actual Kerry (D) +3.4 | Difference 1.4 |
| Oct 20-25 | 600LV | President (MI) General election | Live Phone | Poll Kerry (D) +1.0 | Actual Kerry (D) +3.4 | Difference 2.4 |
| Oct 18-19 | 400LV | President (MI) General election | Live Phone | Poll Bush (R) +4.0 | Actual Kerry (D) +3.4 | Difference 7.4 |
| Feb 3-5 | 450LV | President (MI) Democratic primary | Live Phone | Poll Kerry (D) +43.0 | Actual Kerry (D) +35.3 | Difference 7.7 |
| Feb 2-4 | 450LV | President (MI) Democratic primary | Live Phone | Poll Kerry (D) +47.0 | Actual Kerry (D) +35.3 | Difference 11.7 |
| Feb 1-3 | 450LV | President (MI) Democratic primary | Live Phone | Poll Kerry (D) +44.0 | Actual Kerry (D) +35.3 | Difference 8.7 |
2002
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Oct 28-30 | 600LV | Senate (MI) General election | Live Phone | Poll Levin (D) +30.0 | Actual Levin (D) +22.7 | Difference 7.3 |
| Oct 28-30 | 600LV | Governor (MI) General election | Live Phone | Poll Granholm (D) +13.0 | Actual Granholm (D) +4.0 | Difference 9.0 |
| Oct 21-23 | 600LV | Senate (MI) General election | Live Phone | Poll Levin (D) +34.0 | Actual Levin (D) +22.7 | Difference 11.3 |
| Oct 21-23 | 600LV | Governor (MI) General election | Live Phone | Poll Granholm (D) +8.0 | Actual Granholm (D) +4.0 | Difference 4.0 |
| Oct 14-16 | 600LV | Senate (MI) General election | Live Phone | Poll Levin (D) +26.0 | Actual Levin (D) +22.7 | Difference 3.3 |
| Oct 14-16 | 600LV | Governor (MI) General election | Live Phone | Poll Granholm (D) +12.0 | Actual Granholm (D) +4.0 | Difference 8.0 |
2000
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Oct 30-Nov 2 | 800LV | Senate (MI) General election | Live Phone | Poll Abraham (R) +3.0 | Actual Stabenow (D) +1.6 | Difference 4.6 |
| Oct 30-Nov 2 | 800LV | President (MI) General election | Live Phone | Poll Gore (D) +5.0 | Actual Gore (D) +5.1 | Difference 0.1 |
| Oct 30-31 | 800LV | Senate (MI) General election | Live Phone | Poll Abraham (R) +2.0 | Actual Stabenow (D) +1.6 | Difference 3.6 |
| Oct 23-25 | 800LV | Senate (MI) General election | Live Phone | Poll Abraham (R) +3.0 | Actual Stabenow (D) +1.6 | Difference 4.6 |
| Oct 23-25 | 600LV | President (MI) General election | Live Phone | Poll Even | Actual Gore (D) +5.1 | Difference 5.1 |
| Feb 19-21 | 500LV | President (MI) Republican primary | Live Phone | Poll McCain (R) +4.0 | Actual McCain (R) +7.9 | Difference 3.9 |
| Feb 15-17 | 594LV | President (MI) Republican primary | Live Phone | Poll McCain (R) +2.0 | Actual McCain (R) +7.9 | Difference 5.9 |
| Feb 10-12 | 594LV | President (MI) Republican primary | Live Phone | Poll McCain (R) +9.0 | Actual McCain (R) +7.9 | Difference 1.1 |
1998
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Oct 21 | 600LV | Governor (MI) General election | Live Phone | Poll Engler (R) +32.0 | Actual Engler (R) +24.4 | Difference 7.6 |
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