Each U.S. state sends a delegation to each house of the United States Congress: One to the House of Representatives and one to the Senate. Prior to the passage of the Seventeenth Amendment to the United States Constitution, senators were selected by state legislatures, but now senators are elected by popular vote along with House representatives. United States congressional delegations include:

Alabama's congressional delegations Alaska's congressional delegations Arizona's congressional delegations Arkansas's congressional delegations California's congressional delegations Colorado's congressional delegations Connecticut's congressional delegations Delaware's congressional delegations Florida's congressional delegations Georgia's congressional delegations Hawaii's congressional delegations Idaho's congressional delegations Illinois's congressional delegations Indiana's congressional delegations Iowa's congressional delegations Kansas's congressional delegations Kentucky's congressional delegations Louisiana's congressional delegations Maine's congressional delegations Maryland's congressional delegations Massachusetts's congressional delegations Michigan's congressional delegations Minnesota's congressional delegations Mississippi's congressional delegations Missouri's congressional delegations Montana's congressional delegations Nebraska's congressional delegations Nevada's congressional delegations New Hampshire's congressional delegations New Jersey's congressional delegations New Mexico's congressional delegations New York's congressional delegations North Carolina's congressional delegations North Dakota's congressional delegations Ohio's congressional delegations Oklahoma's congressional delegations Oregon's congressional delegations Pennsylvania's congressional delegations Rhode Island's congressional delegations South Carolina's congressional delegations South Dakota's congressional delegations Tennessee's congressional delegations Texas's congressional delegations Utah's congressional delegations Vermont's congressional delegations Virginia's congressional delegations Washington's congressional delegations West Virginia's congressional delegations Wisconsin's congressional delegations Wyoming's congressional delegations