Alabama's 1st congressional district is a United States congressional district in Alabama, which elects a representative to the United States House of Representatives. It includes the entirety of Washington, Mobile, Baldwin and Monroe counties, as well as most of Escambia County. The largest city in the district is Mobile.

Escambia County is a county located in the south central portion of the U.S. state of Alabama. As of the 2020 census, the population was 36,757. Its county seat is Brewton.