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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 8, 2022
PBS: Plaintiffs challenging Florida's congressional districts are traveling the state to educate Black voters about changes to the congressional map.
Aug 19, 2022
The North Carolina Supreme Court held that state legislators who were elected from unconstitutionally racially-gerrymandered districts do not have the authority to amend the state's Constitution on issues that might discriminate against those same voters who were gerrymandered.
Aug 17, 2022
The Ohio Supreme Court announced that it would not hold state legislators who sit on the Redistricting Commission in contempt for ignoring the court's order to draw new congressional districts.
Aug 17, 2022
Ohio legislature failed to draw new congressional districts by 30-day deadline established by the state supreme court. Republican leaders argue that the 30-day clock only starts if appeal to U.S. Supreme Court fails.
Jul 17, 2022
Ohio supreme court struck down a second proposal for new congressional districts as violating the state's constitution. The legislature has thirty days to draw new maps.
Jun 28, 2022
The U.S. Supreme Court stayed a lower court injunction that had blocked Louisiana's congressional districts from being used until the state created a second majority-Black district. The state is now free to use the districts in 2022 and work to comply with the lower court's order by 2024.

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