New ARP Content

Cook Political Report Announces PVI Formula

Cook announced their new Partisan Voter Index formula which weighs the 2020 two-party presidential election results 3-to-1 over the 2016 two-party results.

Behind the Lines - Maryland

Exploring Maryland's contentious redistricting process, the state's new precedent against partisan gerrymandering, a look into compactness measures, and if Maryland’s new map complies with that new precedent.

Significant Mapping Developments

Ohio

Ohio’s Supreme Court struck down the state’s remedial congressional plan as violating the Ohio Constitution’s partisan fairness provisions. The Court ordered the General Assembly to pass a new plan within 30 days, which won’t take effect until 2024.

State News

Idaho

Ada County, Idaho, filed a petition for a writ of certiorari with the U.S. Supreme Court challenging the Idaho Commission for Reapportionment’s decisions in adopting the state’s legislative plan.

Pennsylvania

The Pennsylvania House of Representative’s Majority Leader filed a petition for a writ of certiorari with the U.S. Supreme Court alleging the state’s adopted state House plan is a racial gerrymander.