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Prof. Justin Levitt's Doug Spencer's Guide to Drawing the Electoral Lines

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Actions to Watch

Alabama

Hearing set for May 28, 2025 to determine whether to bail the state back under federal preclarance.

South Carolina

LWV challenged the state's congressional map as a partisan gerrymander in violation of the state constitution.

Ohio

Citizen-initiated constitutional amendment will be on the ballot in Nov. to create an independent citizen redistricting commission.

Louisiana

U.S. Supreme Court stayed lower court order striking down congressional map as racial gerrymander, pending appeal.

Utah

State supreme court admonished the state legislature in partisan gerrymandering challenge and remanded case to trial court.

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

Legal Cases

Follow all of the litigation over federal and state legislative redistricting.

National Overview

Compare the redistricting process across states and over time.

Maps for Download

Download maps for offline use and create comparisons in other applications.

The Latest Updates

May 8, 2025

A three-judge panel held that Alabama's 2023 remedial congressional plan intentionally discriminates against Black voters, opening the door for the state to be "bailed in" under federal preclearance.

Alabama

Nov 4, 2024

The U.S. Supreme Court announced that it will review two cases related to Louisiana's congressional districts. The first case found that the districts violated the Voting Rights review in its next term for oral argument oral argument The League of Women Voters challenged the state's 2022 congressional districts, alleging they are a partisan gerrymander in violation of the state constitution.

Louisiana

Jul 29, 2024

The League of Women Voters challenged the state's 2022 congressional districts, alleging they are a partisan gerrymander in violation of the state constitution.

South Carolina

Jul 23, 2024

Secretary of State Frank LaRose announced the certification of a citizen-initiated ballot measure to amend the state's constitution and create an independent citizen-led redistricting commission.

Ohio

Jul 18, 2024

Federal court extended the deadline for state legislature to draw remedial legislative districts during its 2025 session.

Mississippi

Jul 11, 2024

The state supreme court invalidated state legislature's attempt to rewrite a ballot initiative that had created an independent redistricting commission in 2018. The case was remanded for further review.

Utah