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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:

Visit the State Page

The Latest Updates

Dec 2, 2021
New Mexico's Governor Lujan Grisham announced she will call a special session of the New Mexico legislature for redistricting. The session will begin at noon on Dec. 6th.
Dec 1, 2021
A third lawsuit has been filed challenging Idaho's state legislative maps. The claim alleges unequal representation and asks the court to allow for more counties to be split to ensure equal representation.
Dec 1, 2021
The Connecticut Reapportionment Commission has asked the state's attorney general to petition the state's supreme court for an extension until Dec. 21st to finalize a congressional plan.
Nov 29, 2021
Arkansas' Board of Apportionment unanimously approved new state house and senate maps.
Nov 29, 2021
Florida's House Committee on Reapportionment released draft congressional (C8001 and C8003) and state house (H8005 and H8007) map proposals for the state.
Nov 28, 2021
The Arkansas Board of Apportionment is expected to finalize new legislative districts on Monday Nov. 29th.

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