Welcome ToSt. Clair County
St. Clair County is home to Scott Air Force. Scott Air Force Base pumps about $2 billion a year into the region's economy. With more than 13,000 employees, Scott is one of the top five employers in the St. Louis region.
St. Clair County is surrounded by several major tourist attractions including the National Shrine of Our Lady of the Snows, Gateway International Raceway and Cahokia Mounds.