There are 297 Pool & Spa Services in Maryland, serving a population of 5,996,079 people in an area of 9,707 square miles. There is 1 Pool & Spa Service per 20,188 people, and 1 Pool & Spa Service per 32 square miles.
The state of Maryland is ranked 33rd in Pool & Spa Services per capita, and 8th in Pool & Spa Services per square mile.