There are 30 Aquarium Shops in Maryland, serving a population of 5,996,079 people in an area of 9,707 square miles. There is 1 Aquarium Shop per 199,869 people, and 1 Aquarium Shop per 323 square miles.
The state of Maryland is ranked 26th in Aquarium Shops per capita, and 8th in Aquarium Shops per square mile.