There are 542 Fitness & Training Services in Fairfax County, Virginia, serving a population of 1,142,004 people in an area of 391 square miles. There is 1 Fitness & Training Service per 2,107 people, and 1 Fitness & Training Service per square mile.
In Virginia, Fairfax County is ranked 17th of 133 counties in Fitness & Training Services per capita, and 3rd of 133 counties in Fitness & Training Services per square mile.