VotePredictor
past elections

South Carolina House

Joe Cunningham (D) vs Nancy Mace (R)

Actual result
R+1.3
Final polls said
R+2.0
1 late poll · ✓
Model predicted
D+3.3
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
1Strategic NationalR+2.00.7
2VotePredictorD+3.34.6
3GQRD+13.014.3

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1DDHQ/Decision DeskRep 57%0.182
2VotePredictorDem 64%0.403
3FiveThirtyEightDem 64%0.410
4JHK ForecastsDem 66%0.436
5The EconomistDem 72%0.520
6Cook PoliticalDem 75%0.562
7Sabato's Crystal BallDem 75%0.562

Polls (2)

PollsterDatenPollMiss
Strategic National2020-10-15400R+2.01
GQR2020-10-06400D+13.014