Hoover is a city in the Jefferson and Shelby counties in north central Alabama, United States. Hoover is the largest suburban city in Alabama and the 6th largest city in Alabama. The population was 92,606 at the 2020 census. Hoover is part of the Birmingham, AL Metropolitan Statistical Area and is also included in the Birmingham-Cullman-Talladega, AL Combined Statistical Area. Hoover's territory is along the foothills of the Appalachian Mountains.

Jefferson County is the most populous county in the U.S. state of Alabama, located in the central portion of the state. As of the 2020 census, its population was 674,721. Its county seat is Birmingham. Its rapid growth as an industrial city in the 20th century, based on heavy manufacturing in steel and iron, established its dominance. Jefferson County is the central county of the Birmingham-Hoover, AL Metropolitan Statistical Area.