There are 49 Equestrian Centers in Washington, serving a population of 7,169,967 people in an area of 66,439 square miles. There is 1 Equestrian Center per 146,325 people, and 1 Equestrian Center per 1,355 square miles.
The state of Washington is ranked 13th in Equestrian Centers per capita, and 22nd in Equestrian Centers per square mile.