| 2026-05-29 | Time Publishes a Projection That 2026 Gerrymandering Hits 45 on a Newly-Created Index, Driven Entirely by New Maps
2 src Gavin Newsom · State of California | | confirmed |
| 2026-05-26 | Trump's Mid-Decade Redistricting Push Stopped at the Source for the First Time — Alabama Federal Panel Enjoins GOP Map as Racially Discriminatory; South Carolina Senate Rejects Redraw on 12-GOP+12-Dem Vote, Preserving Clyburn Seat
3 src Donald Trump | | confirmed |
| 2026-05-04 | SCOTUS 6-3 Callais Ruling Immediately Effective, Voiding 100K Ballots; Roberts Court Completes VRA Gutting
3 src John Roberts · Clarence Thomas · Samuel Alito · Neil Gorsuch · +4 | | confirmed |
| 2025-12-04 | Supreme Court Reinstates Texas Mid-Decade Congressional Map Designed for Republican Advantage Despite Racial Gerrymandering Findings
7 src Supreme Court of the United States · Greg Abbott · Donald Trump · Texas Legislature · +1 |
| confirmed |
| 2025-11-04 | California Special Election on Redistricting to Counter Texas GOP Gerrymandering
3 src Gavin Newsom · California Legislature · Donald Trump | | developing |
| 2025-09-08 | Missouri GOP Passes Mid-Decade Gerrymander to Eliminate Democratic Congressional Seat
3 src Trump Administration |
| reported |
| 2025-08-18 | Texas Democrats End 2-Week Standoff, Return for Trump-Ordered Redistricting Vote
3 src Texas House Democrats · Greg Abbott · Ken Paxton · Donald Trump |
| confirmed |
| 2025-07-25 | Texas Legislature passes redistricting without Democrats present
5 src Texas Legislature · Greg Abbott · Texas House Democrats |
| confirmed |
| 2025-07-15 | Trump demands Texas conduct mid-cycle redistricting for 5 new GOP seats
4 src Donald Trump · Greg Abbott · Texas Legislature |
| confirmed |
| 2025-07-01 | Texas Democrats Flee State to Block Trump-Requested Mid-Cycle Gerrymandering
3 src Greg Abbott · Donald Trump · Texas House Democrats · Texas Legislature |
| confirmed |
| 2019-06-27 | Supreme Court Rules Partisan Gerrymandering Beyond Federal Court Jurisdiction
4 src U.S. Supreme Court · John Roberts · Robert Rucho · Common Cause |
| confirmed |
| 2018-11-06 | Michigan Voters Approve Independent Redistricting Commission, Ending Partisan Gerrymandering
4 src |
| confirmed |
| 2018-01-22 | Pennsylvania Supreme Court Strikes Down Congressional Map as Unconstitutional Partisan Gerrymander
4 src League of Women Voters |
| confirmed |
| 2017-08-01 | Courts Strike Down North Carolina Racial Gerrymandering, Legislature Redraws With Explicit Partisan Intent
3 src North Carolina General Assembly · Robert Rucho · Republican Party |
| confirmed |
| 2013-03-11 | Federal Court Rules Texas 2011 Redistricting Intentionally Discriminated Against Latino Voters
4 src Texas Legislature · Republican Party |
| confirmed |
| 2012-11-06 | North Carolina Democrats Win Popular Vote But Lose 9 of 13 Congressional Seats
4 src Democratic Party · Republican Party · North Carolina General Assembly |
| confirmed |
| 2011-07-01 | Wisconsin Republicans Pass Act 43 Gerrymandering Plan in Secret Process
4 src Republican Party |
| confirmed |
| 2011-01-01 | North Carolina Republicans Begin Aggressive Racial Gerrymandering
4 src North Carolina General Assembly · Republican Party · Robert Rucho |
| confirmed |
| 2010-11-02 | Republicans Gain Record 680 State Legislative Seats, Securing REDMAP Objectives
4 src Republican Party |
| confirmed |
| 2010-01-01 | Republican State Leadership Committee Launches REDMAP Gerrymandering Project
4 src Karl Rove |
| confirmed |