There are 72 Martial Arts Instruction Classes in Iowa, serving a population of 3,118,102 people in an area of 55,842 square miles. There is 1 Martial Arts Instruction Class per 43,306 people, and 1 Martial Arts Instruction Class per 775 square miles.
The state of Iowa is ranked 50th in Martial Arts Instruction Classes per capita, and 43rd in Martial Arts Instruction Classes per square mile.