There are 205 Day Spas in Middlesex County, Massachusetts, serving a population of 1,582,857 people in an area of 818 square miles. There is 1 Day Spa per 7,721 people, and 1 Day Spa per 3 square miles.
In Massachusetts, Middlesex County is ranked 6th of 14 counties in Day Spas per capita, and 3rd of 14 counties in Day Spas per square mile.