There are 91 Health Spas in New Jersey, serving a population of 8,960,161 people in an area of 7,353 square miles. There is 1 Health Spa per 98,463 people, and 1 Health Spa per 80 square miles.
The state of New Jersey is ranked 11th in Health Spas per capita, and 3rd in Health Spas per square mile.