Montgomery is the capital of the U.S. state of Alabama and is the county seat of Montgomery County. Named for Richard Montgomery, it is located on the Alabama River, in the Gulf Coastal Plain. As of the 2010 Census, Montgomery had a population of 205,764. It is the second-largest city in Alabama, after Birmingham, and the 103rd largest in the United States. The Montgomery Metropolitan Statistical Area had a 2010 estimated population of 374,536. It is the fourth-largest in the state and 136th among United States metropolitan areas.