Redistricting resources

Below are resources that provide more information on the redistricting process, census delays, differential privacy, and ways for the public to get involved.

All about redistricting

A project of Loyola Law School that explains statewide redistricting processes, including substantive considerations, participants, rules, progress, and litigation by state.

The American Redistricting Project

Offers a comprehensive analysis of current redistricting litigation and congressional district maps dating back to 1962.

Brennan Center for Justice

Features reports on redistricting, census data, and ongoing litigation and advocacy projects.

Common Cause

Provides FAQs, a local redistricting checklist, and other resources for civic engagement.

Daily Kos

Presents a 50-state guide to redistricting processes.

Dave's Redistricting App

A free web app for creating and analyzing redistricting maps using 2010 Census and 2018 ACS data, along with official district maps and election data.

DistrictBuilder

Offers access to block-level data for legal redistricting plans and lets users create their own maps.

FiveThirtyEight

Features an updating tracker of proposed congressional maps with analysis of likely partisan impacts.

MGGG Redistricting Lab

Provides public access tools for map drawing and redistricting transparency.

NAACP Legal Defense Fund

Shares information on redistricting processes, community involvement, and ongoing litigation.

National Conference of State Legislatures (NCSL)

Links to reports and documents about redistricting, census data, and line-drawing authorities.

PlanScore

Analyzes redistricting litigation and promotes reform through legal channels. A project of the Campaign Legal Center.

Princeton Gerrymandering Project

Publishes nonpartisan reports and precinct-level geographic data on gerrymandering.

A Judge's Guide to Redistricting

Created by the Princeton Gerrymandering Project to assist judges involved in redistricting litigation.

Redistricting resources