Chilton County is a county located in the central portion of the U.S. state of Alabama. As of the 2020 census, the population was 45,014. The county seat is Clanton. Its name is in honor of William Parish Chilton, Sr., a lawyer who became Chief Justice of the Alabama Supreme Court and later represented Montgomery County in the Congress of the Confederate States of America. Chilton County is included in the Birmingham Metropolitan Statistical Area.