There are 310 Day Spas in Riverside County, California, serving a population of 2,355,002 people in an area of 7,205 square miles. There is 1 Day Spa per 7,596 people, and 1 Day Spa per 23 square miles.
In California, Riverside County is ranked 19th of 58 counties in Day Spas per capita, and 17th of 58 counties in Day Spas per square mile.