St. Clair County, Alabama

St. Clair County is a county in the U.S. state of Alabama.   "ACES Winston County Office" (links/history),
   Alabama Cooperative Extension System (ACES), 2007, webpage: 
   ACES-St.Clair. As of the 2020 census, the population was 91,103. It has two county seats in Ashville and another in Pell City. It is one of two counties in Alabama, and one of 33 in the United States, with more than one county seat. The name is in honor of General Arthur St. Clair, an officer in the French and Indian War.

St. Clair County was founded on November 20, 1818.

 References 

Category:1818 establishments in Alabama Territory
Category:Alabama counties