UPDATED Mar. 13, 2023, at 3:53 PM

FiveThirtyEight’s Pollster Ratings

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

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B/C

Roanoke College Institute for Policy and Opinion Research

Polls analyzed19
Races called correctly76%
Most recent cycle2021
Affiliated with AAPOR/RoperYes
Other names
What are pollster ratings?

How accurate are the polls from Roanoke College Institute for Policy and Opinion Research?

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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