VotePredictor
past elections

Maryland Senate

Barbara A. Mikulski (D) vs E. J. Pipkin (R)

Actual result
D+31.1
Final polls said
D+37.0
1 late poll · ✓
Model predicted
D+31.1
Winner
Dem

"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
1VotePredictorD+31.10.0
2IpsosD+37.05.9
3Gonzales Research & Marketing Strategies Inc.D+24.07.1

Polls (2)

PollsterDatenPollMiss
Ipsos2004-10-25455D+37.06
Gonzales Research & Marketing Strategies Inc.2004-10-03809D+24.07