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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

Jan 22, 2024
Gov. Landry signed SB8 into law, adopting a new congressional map that features two minority opportunity districts as instructed by a federal court.
Jan 8, 2024
Federal court ordered independent commission to produce new state legislative maps by Feb. 2, 2024 for public comment after earlier striking down the commission's maps for violating the VRA.
Jan 8, 2024
Court ordered the state to adopt new legislative districts submitted by plaintiffs after holding in Nov. 2023 that the state's maps diluted the right of Native American voters in violation of the VRA.
Jan 8, 2024
Governor Landry issued a proclamation calling the Legislature into an "Extraordinary Session" from Jan. 15-24, 2024 to draw new congressional district lines after the current lines were struck down by a federal court.
Dec 22, 2023
The Wisconsin Supreme Court struck down the state's legislative districts for violating the state constitution, which requires that districts consist of "contiguous territory."
Dec 21, 2023
Three-judge panel of federal judges struck down Michigan's state House and Senate maps for diluting the voice of Black voters in the Detroit metro area in violation of the Voting Rights Act.

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