List of United States congressional districts

[1] The number of voting seats has applied since 1913, excluding a temporary increase to 437 after the admissions of Alaska and Hawaii.

The total number of state members is capped by the Reapportionment Act of 1929.

[2] In addition, each of the five inhabited U.S. territories and the federal district of Washington, D. C., sends a non-voting delegate to the House of Representatives.

From 1813 to 1823, Delaware had two representatives — both chosen at-large on a general ticket from the same statewide district.

The list includes the 435 voting districts of the 119th United States Congress, effective from 2025 to 2027.