There are 111 Martial Arts Instruction Classes in Middlesex County, Massachusetts, serving a population of 1,582,857 people in an area of 818 square miles. There is 1 Martial Arts Instruction Class per 14,259 people, and 1 Martial Arts Instruction Class per 7 square miles.
In Massachusetts, Middlesex County is ranked 6th of 14 counties in Martial Arts Instruction Classes per capita, and 2nd of 14 counties in Martial Arts Instruction Classes per square mile.