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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 said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. VotePredictor Elections' prediction is walk-forward (trained only on earlier races).
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.
Which party matches you?
These candidates split on taxes, health care, guns, and abortion. See where you land — and which members of Congress actually vote like you.