There are 40 Karate Classes in Washington, serving a population of 7,169,967 people in an area of 66,439 square miles. There is 1 Karate Class per 179,249 people, and 1 Karate Class per 1,660 square miles.
The state of Washington is ranked 23rd in Karate Classes per capita, and 23rd in Karate Classes per square mile.