Redistricting Resources


We recommend the following excellent web resources to learn more about redistricting.

Justin Levitt’s “All About Redistricting

Justin Levitt, Professor of Law at Loyola Law School Los Angeles, has created a comprehensive, state-by-state guide to redistricting with excellent content and coverage. The easily-navigated website provides a page for each state outlining the current status of redistricting, state procedures, pending litigation, and current partisan breakdown of each state legislature. “All About Redistricting” also provides links to numerous other resources including data tools, overview guides, information on the redistricting process, academic articles, and reform advocacy groups. This site is perhaps the most comprehensive resource on the web for those seeking accessible, updated, and detailed redistricting information. 

Ballotpedia: State-by-State Redistricting Procedures

Ballotpedia provides coverage of redistricting developments from across the country. Each state has a comprehensive page detailing state procedures, census data, district maps, bill updates, citizen involvement, and lawsuit outcomes. 


RedistrictingOnline provides information regarding redistricting law, process, news, and scholarly commentary. The site also provides both daily and weekly news links from across the nation, as well as a “Commission Tracker” which provides updates on the progress of such groups. RedistrictingOnline also includes a page tracking current litigation with links to actual court documents.  

Brennan Center for Justice

The Brennan Center provides many redistricting resources including a blog, summaries of court cases, legal and political analysis, and press releases. The organization also publishes a comprehensive report, A Citizen’s Guide to Redistricting, which has been updated for 2010 and is accessible online. Particularly useful is the “Redistricting 101” page that provides an issue-by-issue look at the importance of redistricting, problems with the current system, and steps citizens can take to address such deficiencies. 

National Conference of State Legislatures 

NCSL is a bipartisan organization that serves legislators and staff throughout the country. The information provided on their redistricting site includes seminar presentations for states, the current status of redistricting law, and federal issues. Particularly useful is the redistricting glossary which provides understandable definitions of important terms. 

Public Mapping Project

The Public Mapping Project provides software that allows the public to create redistricting plans.  The purpose is to develop increased transparency and public participation in the redistricting process. The site is mostly used to deploy the software, but it also contains a number of links to redistricting resources and news from around the country. The “Congressional Redistricting Forecast” section provides a national overview of the process, as well as a state-by-state guide to redistricting.

Other Resources

The following resources provide additional information about state redistricting processes, redistricting litigation, and other matters related to reapportionment and redistricting reform.

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