VotePredictor
past elections

South Carolina President

Joe Biden (D) vs Donald Trump (R)

Actual result
R+11.7
Final polls said
R+7.8
9 late polls · ✓
Model predicted
R+13.1
Winner
Rep

"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. The model's prediction is walk-forward (trained only on earlier races).

Final rankings

How everyone who called this race did, ranked — VotePredictor shown inline (★).

Pollsters — each pollster's final poll vs the result

#PollsterFinal callMissCalled
1Øptimus AnalyticsR+12.40.7
2VotePredictorR+13.11.5
3YouGovR+10.01.7
4SurveyMonkeyR+14.02.3
5Data for ProgressR+9.02.7
6The New York Times/Siena CollegeR+8.03.7
7East Carolina University Center for Survey ResearchR+7.73.9
8Starboard CommunicationsR+7.34.4
9Morning ConsultR+6.65.1
10GBAOR+5.06.7
11Quinnipiac UniversityR+1.010.7
12SwayableR+0.910.8

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1The EconomistRep 98%0.000
2Princeton Election ConsortiumRep 98%0.000
3Race to the WHRep 99%0.000
4VotePredictorRep 100%0.000
5JHK ForecastsRep 97%0.001
6CNalysisRep 90%0.010
7Cook PoliticalRep 90%0.010
8Elections DailyRep 90%0.010
9FiveThirtyEightRep 90%0.010
10Inside ElectionsRep 90%0.010
11Sabato's Crystal BallRep 90%0.010
12DDHQ/Decision DeskRep 85%0.023
13RealClearPoliticsRep 75%0.062

Polls (18)

PollsterDatenPollMiss
Øptimus Analytics2020-11-01817R+12.41
Data for Progress2020-10-29880R+9.03
Swayable2020-10-27426R+0.911
Starboard Communications2020-10-26800R+7.34
SurveyMonkey2020-10-262485R+14.02
Morning Consult2020-10-26904R+6.65
Data for Progress2020-10-241196R+6.06
East Carolina University Center for Survey Research2020-10-24763R+7.74
Morning Consult2020-10-15926R+6.06
The New York Times/Siena College2020-10-11605R+8.04
Data for Progress2020-10-10801R+9.03
SurveyMonkey2020-10-053810R+8.04
GBAO2020-09-26800R+5.07
Data for Progress2020-09-25824R+4.08
Quinnipiac University2020-09-251123R+1.011
YouGov2020-09-241080R+10.02
Morning Consult2020-09-15764R+6.06
Quinnipiac University2020-09-12969R+6.06