There are 223 Fitness & Training Services in Union County, New Jersey, serving a population of 557,320 people in an area of 103 square miles. There is 1 Fitness & Training Service per 2,499 people, and 1 Fitness & Training Service per square mile.
In New Jersey, Union County is ranked 16th of 21 counties in Fitness & Training Services per capita, and 4th of 21 counties in Fitness & Training Services per square mile.