There are 115 Convenience Stores in St. Clair County, Illinois, serving a population of 264,433 people in an area of 658 square miles. There is 1 Convenience Store per 2,299 people, and 1 Convenience Store per 5 square miles.
In Illinois, St. Clair County is ranked 30th of 102 counties in Convenience Stores per capita, and 6th of 102 counties in Convenience Stores per square mile.