All About Redistricting

Actions to Watch

The Sup. Ct. dramatically shrunk the Voting Rights Act, leaving many exisitng districts in question

A mid-decade congressional map will face a referendum; the state sup. ct. reinstated the 2022 map for November, blocked by a fed ct.

Maryland

Voters will decide on a constitutional amd. letting the legislature redraw congressional lines without constraint

Redistricting Across States

The Constitutional mandate to redraw electoral district lines follows the decennial Census, as we learn where we, the people, live.

In 2025-26, five states (CA, FL, NC, TN, TX) redrew congressional lines without a court order. (In GA, IN, and SC, the legislature said no; in VA, the courts said no.; in MO, the courts said wait.)

Click on the map to to view redistricting information for federal and state legislative districts in each of the 50 states.

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

Sep 8, 2026

Moments after the Supreme Court rejected a request to stay the state supreme court's decision to use the 2022 congressional map this fall, a federal trial court blocked the 2022 map.

Missouri

Sep 3, 2026

The Maryland state supreme court reinstated on the 2026 ballot, with a slightly modified summary, a proposed amd. that would let the legislature to redraw congressional lines without constraint.

Maryland

Sep 3, 2026

The Missouri Supreme Court held that the mid-decade congressional map cannot be used in 2026, until subject to a referendum in November. The 2022 map will be used for the general election.

Missouri

Aug 26, 2026

A Maryland state trial court blocked a proposed constitutional amd. to allow the legislature to redraw congressional lines without constraint, on procedural grounds and based on a misleading summary.

Maryland

Aug 5, 2026

The governor signed a proposed constitutional amendment (HB 2100) that would allow the legislature to redraw congressional districts without state constitutional constraints.

Maryland

Aug 4, 2026

The Maryland legislature passed a proposed constitutional amendment (HB 2100) that would allow the legislature to redraw congressional districts without state constitutional constraints.

Maryland