There are 154 Convenience Stores in St. Charles County, Missouri, serving a population of 385,115 people in an area of 561 square miles. There is 1 Convenience Store per 2,500 people, and 1 Convenience Store per 3 square miles.
In Missouri, St. Charles County is ranked 81st of 115 counties in Convenience Stores per capita, and 3rd of 115 counties in Convenience Stores per square mile.