There are 289 Cell Phone Stores in Contra Costa County, California, serving a population of 1,123,678 people in an area of 723 square miles. There is 1 Cell Phone Store per 3,888 people, and 1 Cell Phone Store per 2 square miles.
In California, Contra Costa County is ranked 25th of 58 counties in Cell Phone Stores per capita, and 7th of 58 counties in Cell Phone Stores per square mile.