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Prof. Justin Levitt's Doug Spencer's Guide to Drawing the Electoral Lines

Redistricting Across States

The Constitutional mandate to redraw electoral district lines follows the decennial Census, as we learn where we, the people, live.

Click on the map to the right to to view redistricting information for federal and state legislative districts in each of the 50 states.

Visit the National Overview page to compare control of the redistricting process across states and across time.

View In-Depth National Overview


Plan Dates:



Plan Status:

Party Control:
  Upper House:
  Lower House:

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The Latest Updates

Sep 5, 2023
A federal court struck down Alabama's new congressional plan as failing to remedy Voting Rights Act violations.
Aug 10, 2023
A federal court struck down the state of Washington's legislative districts, holding they cracked Latino voters in violation of Section 2 of the Voting Rights Act.
Aug 4, 2023
A group of mathematicians and computer scientists who live in Wisconsin petitioned the state supreme court to invalidate the state's legislative districts for violating the state's constitution.
Aug 2, 2023
Wisconsin voters filed a lawsuit challenging the state's legislative districts and alleging that they are a partisan gerrymander in violation of the equal protection clause of the state's constitution.
Jul 13, 2023
An intermediate appellate court ordered the state's Independent Redistricting Commission to redraw the state's congressional map.
Jul 11, 2023
Utah's Supreme Court heard oral arguments in lawsuit challenging the state's congressional districts, and the Legislature's authority to revise ballot initiatives.

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