There are 166 Day Spas in Contra Costa County, California, serving a population of 1,123,678 people in an area of 723 square miles. There is 1 Day Spa per 6,769 people, and 1 Day Spa per 4 square miles.
In California, Contra Costa County is ranked 15th of 58 counties in Day Spas per capita, and 5th of 58 counties in Day Spas per square mile.