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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 26, 2023
The U.S. Supreme Court denied a motion from the state of Alabama to stay a lower court ruling that rejected the state's proposed remedial congressional districts.
Sep 25, 2023
The court-appointed special master filed three proposed maps of Alabama's congressional districts to remedy the state's Voting Rights Act violation.
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.

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