There are 124 Car Washes in Montana, serving a population of 1,029,862 people in an area of 145,509 square miles. There is 1 Car Wash per 8,305 people, and 1 Car Wash per 1,173 square miles.
The state of Montana is ranked 14th in Car Washes per capita, and 51st in Car Washes per square mile.