PUBLISHED Mar. 25, 2021, at 10:00 AM

FiveThirtyEight’s Pollster Ratings

Based on the historical accuracy and methodology of each polling organization’s polls.

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University of Cincinnati (Ohio Poll)

Pollsters with a relatively small number of polls now receive a provisional rating rather than a precise letter grade.
A/B
Polls analyzed39
Races called correctly94%
Most recent cycle2012
Affiliated with professional polling organization (NCPP/AAPOR/Roper)No

How accurate are the polls from University of Cincinnati (Ohio Poll)?

Polls conducted within 21 days of an election (based on the poll’s median date) are used to determine the pollster’s grade.

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