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Toss-up · 2020 Senate
Michigan Senate
In the 2020 Michigan Senate race, Gary C. Peters (D) won by about 2 points.
Actual result
D+1.7
Final polls said
D+7.4
31 late polls · ✓
VotePredictor Elections predicted
—
Winner
Dem
"Final polls" = the last ~3 weeks; the prediction is walk-forward. How this is scored →
Final rankings
How everyone who called this race did, ranked — VotePredictor Elections shown inline (★).
Pollsters — each pollster's final poll vs the result
| # | Pollster | Final call | Miss | Called |
|---|---|---|---|---|
| 1 | Marketing Resource Group (MRG) | D+2.0 | 0.3 | ✓ |
| 2 | Tarrance Group | D+1.3 | 0.4 | ✓ |
| 3 | YouGov | D+3.0 | 1.3 | ✓ |
| 4 | Citizen Data | D+3.5 | 1.9 | ✓ |
| 5 | Change Research | D+5.0 | 3.3 | ✓ |
| 6 | EPIC-MRA | D+5.0 | 3.3 | ✓ |
| 7 | Data for Progress | D+5.0 | 3.3 | ✓ |
| 8 | Marist College | D+5.0 | 3.3 | ✓ |
| 9 | Mitchell Research & Communications | D+5.4 | 3.7 | ✓ |
| 10 | Trafalgar Group | R+2.2 | 3.9 | ✗ |
| 11 | Morning Consult | D+5.7 | 4.0 | ✓ |
| 12 | Emerson College | D+5.8 | 4.1 | ✓ |
| 13 | Baldwin Wallace University Community Research Institute | D+5.9 | 4.2 | ✓ |
| 14 | ABC News/The Washington Post | D+6.0 | 4.3 | ✓ |
| 15 | Ipsos | D+7.0 | 5.3 | ✓ |
| 16 | Harris Insights & Analytics | D+7.0 | 5.3 | ✓ |
| 17 | Swayable | D+7.2 | 5.5 | ✓ |
| 18 | The New York Times/Siena College | D+8.0 | 6.3 | ✓ |
| 19 | Beacon Research/Shaw & Co. Research | D+8.0 | 6.3 | ✓ |
| 20 | National Research | D+8.0 | 6.3 | ✓ |
| 21 | Garin-Hart-Yang Research Group | D+8.0 | 6.3 | ✓ |
| 22 | RMG Research | D+9.0 | 7.3 | ✓ |
| 23 | Glengariff Group | D+9.6 | 7.9 | ✓ |
| 24 | Public Policy Polling | D+10.0 | 8.3 | ✓ |
| 25 | Targoz Market Research | D+11.0 | 9.3 | ✓ |
| 26 | Gravis Marketing | D+11.0 | 9.3 | ✓ |
| 27 | SSRS | D+12.0 | 10.3 | ✓ |
| 28 | Kiaer Research | D+12.8 | 11.1 | ✓ |
| 29 | Research Co. | D+15.0 | 13.3 | ✓ |
| 30 | Redfield & Wilton Strategies | D+16.0 | 14.3 | ✓ |
Forecasters — pre-election win probability, scored by Brier
| # | Forecaster | Win prob | Brier | Called |
|---|---|---|---|---|
| 1 | The Economist | Dem 97% | 0.001 | ✓ |
| 2 | Princeton Election Consortium | Dem 96% | 0.002 | ✓ |
| 3 | JHK Forecasts | Dem 94% | 0.004 | ✓ |
| 4 | VotePredictor Elections | Dem 93% | 0.005 | ✓ |
| 5 | Race to the WH | Dem 91% | 0.008 | ✓ |
| 6 | DDHQ/Decision Desk | Dem 86% | 0.020 | ✓ |
| 7 | FiveThirtyEight | Dem 83% | 0.029 | ✓ |
| 8 | CNalysis | Dem 75% | 0.062 | ✓ |
| 9 | Cook Political | Dem 75% | 0.062 | ✓ |
| 10 | Elections Daily | Dem 75% | 0.062 | ✓ |
| 11 | Inside Elections | Dem 75% | 0.062 | ✓ |
| 12 | Sabato's Crystal Ball | Dem 75% | 0.062 | ✓ |
| 13 | RealClearPolitics | Dem 50% | 0.250 | — |
The polls behind it
58 polls · newest firstPollsterDateSampleMiss
Change Research2020-10-313
Research Co.2020-10-3113
Emerson College2020-10-304
Public Policy Polling2020-10-298
Mitchell Research & Communications2020-10-294
Frequently asked questions
Who won the 2020 Michigan Senate race?
Gary C. Peters (D) won, by about 1.7 points (D+1.7).
When was the 2020 Michigan Senate election held?
It was held in November 2020.