There are 22 Aquarium Shops in Washington, serving a population of 7,169,967 people in an area of 66,439 square miles. There is 1 Aquarium Shop per 325,907 people, and 1 Aquarium Shop per 3,019 square miles.
The state of Washington is ranked 44th in Aquarium Shops per capita, and 31st in Aquarium Shops per square mile.