There are 132 Martial Arts Instruction Classes in King County, Washington, serving a population of 2,118,119 people in an area of 2,115 square miles. There is 1 Martial Arts Instruction Class per 16,046 people, and 1 Martial Arts Instruction Class per 16 square miles.
In Washington, King County is ranked 6th of 39 counties in Martial Arts Instruction Classes per capita, and 1st of 39 counties in Martial Arts Instruction Classes per square mile.