There are 595 Beauty Spas in San Diego County, California, serving a population of 3,283,665 people in an area of 4,206 square miles. There is 1 Beauty Spa per 5,518 people, and 1 Beauty Spa per 7 square miles.
In California, San Diego County is ranked 8th of 58 counties in Beauty Spas per capita, and 8th of 58 counties in Beauty Spas per square mile.