U.S. congressional redistricting is conducted at the state level, with each state responsible for drawing or approving its own congressional district maps.
October 06, 2025
high
temporal
General process for how congressional district boundaries are determined in the United States.
Courts consider the relationships between the federal government and the states, between the military and domestic law enforcement, and between the executive, legislative and judicial branches to be fundamental constitutional principles.
high
constitutional
Describes durable judicial framework for resolving disputes implicating federalism, military involvement, and separation of powers.
The Tenth Amendment to the U.S. Constitution reserves to the states powers not delegated to the federal government and is commonly invoked to challenge federal actions affecting state authority.
high
constitutional
Explains the constitutional basis for state-sovereignty challenges to federal exercises of power.