There are 354 Martial Arts Instruction Classes in Washington, serving a population of 7,169,967 people in an area of 66,439 square miles. There is 1 Martial Arts Instruction Class per 20,254 people, and 1 Martial Arts Instruction Class per 187 square miles.
The state of Washington is ranked 16th in Martial Arts Instruction Classes per capita, and 23rd in Martial Arts Instruction Classes per square mile.