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Redistricting

Pa. redistricting maps: Search now to see your old and new political districts

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This article is part of a yearlong reporting project focused on redistricting and gerrymandering in Pennsylvania. It is made possible by the support of Spotlight PA members and Votebeat, a project focused on election integrity and voting access.

UPDATED: March 16, 2022

After several delays, Pennsylvania has finalized its political districts for the May 2022 primary.

The Pennsylvania Supreme Court in February selected a new congressional map that closely resembles the current one, with the partisan makeup of the state’s delegation unlikely to change dramatically. The U.S. Supreme Court in March declined a request to block the map’s usage for this year’s primary election.

In a separate process, a redistricting panel in February approved final state House and Senate maps that could fundamentally reshape the legislature. The boundaries survived nine legal challenges and will be used for the primary election.

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About the data: The Legislative Reapportionment Commission provided map files for the state House and Senate. Unlike a decade ago, the panel drew new districts using data that reallocated incarcerated people with a sentence under 10 years to the district of their last known home address.

The previous congressional map file came from the LRC. The files for the new congressional map were submitted during a court case and made publicly available.

The Redistricting Data Hub provided voter registration data as of August 2021, and Peter Horton cleaned and reformatted census data used to conduct this analysis. This analysis also used data from Dave’s Redistricting.

Thanks to the Texas Tribune for sharing information about its version of the tool and to Kent Wilhelm for design help.

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