There are 21 Karate Classes in Oregon, serving a population of 4,025,127 people in an area of 95,963 square miles. There is 1 Karate Class per 191,672 people, and 1 Karate Class per 4,569 square miles.
The state of Oregon is ranked 29th in Karate Classes per capita, and 36th in Karate Classes per square mile.