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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

May 15, 2023
The Sup. Ct. set Alexander v. SC NAACP (a direct appeal involving unjustified use of race) for argument.
Apr 28, 2023
The NC Sup. Ct. overturned its prior opinion, permitting partisan gerrymandering and allowing the legislature to redraw all maps.
Apr 20, 2023
The State Independent Redistricting Commission submitted a final draft map of the Assembly districts, which makes only minor changes to the existing map.
Mar 27, 2023
The U.S. Supreme Court denied cert from Kansas voters who appealed a ruling from the state Supreme Court arguing that the state Court used the wrong standard to uphold congressional maps.
Mar 14, 2023
The newly constituted state Supreme Court heard argument in a rare rehearing of the redistricting cases.
Feb 11, 2023
The Districting and Apportionment Commission voted 3-2 to finalize new House and Senate maps. Nonpartisan chair Maylinn Smith cast the tie-breaking vote in favor of the map.  

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