There are 431 Car Washes in Harris County, Texas, serving a population of 4,525,519 people in an area of 1,705 square miles. There is 1 Car Wash per 10,500 people, and 1 Car Wash per 3 square miles.
In Texas, Harris County is ranked 116th of 254 counties in Car Washes per capita, and 2nd of 254 counties in Car Washes per square mile.