VotePredictor
past elections

Maryland Senate

Barbara A. Mikulski (D) vs Ross Z. Pierpont (R)

Actual result
D+41.0
Final polls said
D+40.5
2 late polls · ✓
Model predicted
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
1Mason-Dixon Polling & StrategyD+41.00.0
2Harris Insights & AnalyticsD+40.01.0

Polls (3)

PollsterDatenPollMiss
Harris Insights & Analytics1998-10-20911D+40.01
Mason-Dixon Polling & Strategy1998-10-16821D+41.00
Mason-Dixon Polling & Strategy1998-09-19804D+50.09