Montgomery is the capital city of the U.S. state of Alabama and the county seat of Montgomery County. Named for Continental Army Major General Richard Montgomery, it stands beside the Alabama River, on the coastal Plain of the Gulf of Mexico. The population was 200,603 at the 2020 census. It is now the third most populous city in the state, after Huntsville and Birmingham, and is the 128th most populous in the United States. The Montgomery Metropolitan Statistical Area's population in 2022 was 385,460; it is the fourth largest in the state and 142nd among United States metropolitan areas.