The 2003 Texas redistricting was a controversial intercensus state plan that defined new congressional districts. In the 2004 elections, this redistricting supported the Republicans taking a majority of Texas's federal House seats for the first time since Reconstruction. Democrats in both houses of the Texas Legislature staged walkouts, unsuccessfully trying to prevent the changes. Opponents challenged the plan in three suits, combined when the case went to the United States Supreme Court in League of United Latin American Citizens v. Perry (2006).

The United States House of Representatives is the lower chamber of the United States Congress, with the Senate being the upper chamber. Together, they comprise the national bicameral legislature of the United States. The House is charged with the passage of federal legislation, known as bills; those that are also passed by the Senate are sent to the president for signature or veto. The House's exclusive powers include initiating all revenue bills, impeaching federal officers, and electing the president if no candidate receives a majority of votes in the Electoral College.