There are 135 Mailbox Rental Providers in Maryland, serving a population of 5,996,079 people in an area of 9,707 square miles. There is 1 Mailbox Rental Provider per 44,415 people, and 1 Mailbox Rental Provider per 71 square miles.
The state of Maryland is ranked 43rd in Mailbox Rental Providers per capita, and 7th in Mailbox Rental Providers per square mile.