There are 139 General Contractors in St. Mary's County, Maryland, serving a population of 110,979 people in an area of 358 square miles. There is 1 General Contractor per 798 people, and 1 General Contractor per 2 square miles.
In Maryland, St. Mary's County is ranked 20th of 24 counties in General Contractors per capita, and 17th of 24 counties in General Contractors per square mile.