There are 132 Locksmiths in St. Louis County, Missouri, serving a population of 999,539 people in an area of 508 square miles. There is 1 Locksmith per 7,572 people, and 1 Locksmith per 3 square miles.
In Missouri, St. Louis County is ranked 19th of 115 counties in Locksmiths per capita, and 3rd of 115 counties in Locksmiths per square mile.