Introducing the 2021 Cook Political Report Partisan Voter Index

The Cook Political Report is pleased to introduce the post-2020 edition of the Partisan Voter Index (PVI) for all 50 states and 435 congressional districts. Although these district boundaries won’t be in place for 2022’s midterm elections due to upcoming redistricting, this dataset will serve as a useful baseline to compare old and new districts’ partisan leanings once new lines are finalized next year. CONTINUED

David Wasserman & Ally Flinn, Cook Political Report


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