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Toss-up · 2020 Senate
Massachusetts Senate
In the 2020 Massachusetts Senate race, Edward J. Markey (D) won by about 33 points.
Actual result
D+33.1
Final polls said
D+35.0
2 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 | MassINC Polling Group | D+31.0 | 2.1 | ✓ |
| 2 | YouGov | D+39.0 | 5.9 | ✓ |
| 3 | Remington Research Group | D+10.0 | 23.1 | ✓ |
Forecasters — pre-election win probability, scored by Brier
| # | Forecaster | Win prob | Brier | Called |
|---|---|---|---|---|
| 1 | CNalysis | Dem 99% | 0.000 | ✓ |
| 2 | Cook Political | Dem 99% | 0.000 | ✓ |
| 3 | DDHQ/Decision Desk | Dem 99% | 0.000 | ✓ |
| 4 | The Economist | Dem 100% | 0.000 | ✓ |
| 5 | Elections Daily | Dem 99% | 0.000 | ✓ |
| 6 | FiveThirtyEight | Dem 100% | 0.000 | ✓ |
| 7 | Inside Elections | Dem 99% | 0.000 | ✓ |
| 8 | JHK Forecasts | Dem 100% | 0.000 | ✓ |
| 9 | Princeton Election Consortium | Dem 100% | 0.000 | ✓ |
| 10 | Race to the WH | Dem 100% | 0.000 | ✓ |
| 11 | RealClearPolitics | Dem 99% | 0.000 | ✓ |
| 12 | Sabato's Crystal Ball | Dem 99% | 0.000 | ✓ |
| 13 | VotePredictor Elections | Dem 100% | 0.000 | ✓ |
The polls behind it
3 polls · newest firstPollsterDateSampleMiss
MassINC Polling Group2020-10-272
YouGov2020-10-186
Remington Research Group2020-09-1623
Frequently asked questions
Who won the 2020 Massachusetts Senate race?
Edward J. Markey (D) won, by about 33.1 points (D+33.1).
When was the 2020 Massachusetts Senate election held?
It was held in November 2020.