Changing the Maps: Tracking Mid-Decade Redistricting

… <p>Once every 10 years, following the release of decennial census data, states revise the legislative districts from which voters will elect members to the U.S. House of Representatives and their state legislatures for the next decade. Within the last year, however, states have undertaken mid-decade redistricting at rates not seen <a href="https://www.congress.gov/crs_external_products/IF/PDF/IF13082/IF13082.2.pdf" target="_blank" rel="noopener">since the 1800s</a>. Since summer 2025, 10 states have changed their congressional maps: Alabama, California, Florida, Louisiana, Missouri, North Carolina, Ohio, Tennessee, Texas and Utah.</p> </div> <p>This page tracks states that make changes to district maps between the 2020 and 2030 redistricting cycles, beginning in late 2025. In many states, some officials have expressed interest in redistricting, but only some have undertaken a full redistricting process. States are added to this tracker when official redistricting action is taken, such as:</p> …