This site is managed by Colorado Law Professor Doug Spencer while Prof. Levitt is on leave for government service. More info.
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

Jul 14, 2021
California's Citizen Redistricting Commission will ask the California Supreme Court to extend redistricting deadline an additional two weeks from Dec. 31, 2021 to Jan. 14, 2022.
Jul 13, 2021
Colorado Independent Congressional Redistricting Commission has petitioned the Colorado Supreme Court to approve a revised schedule for the redistricting process.
Jul 12, 2021
The Arkansas Board of Apportionment announced the public meeting schedule for redistricting. There will be 8 meetings between July 29th through August 24th.
Jul 9, 2021
Governor Mike Parsons announced appointments to the House and Senate Independent Bipartisan Citizens Commissions on redistricting.
Jul 9, 2021
Kansas lawmakers are planning to hold a series of town halls to gather public input on the redistricting process.
Jul 9, 2021
Montana's redistricting commission voted to formally adopt redistricting criteria after hearing public comments on the matter.

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