Birmingham is a city in the north central region of Alabama, United States. It is the third-most populous city in the state, with an estimated population of 196,357 as of 2024. The Birmingham metropolitan area, with over 1.19 million residents, is the largest metropolitan area in Alabama and 47th-most populous in the US. Birmingham serves as a major regional economic, medical, and educational hub of the Deep South, Piedmont, and Appalachian regions. It is the county seat of Jefferson County.