There are 103 Cell Phone Stores in St. Charles County, Missouri, serving a population of 385,115 people in an area of 561 square miles. There is 1 Cell Phone Store per 3,738 people, and 1 Cell Phone Store per 5 square miles.
In Missouri, St. Charles County is ranked 40th of 115 counties in Cell Phone Stores per capita, and 4th of 115 counties in Cell Phone Stores per square mile.