There are 113 Billing Services in Harris County, Texas, serving a population of 4,525,519 people in an area of 1,705 square miles. There is 1 Billing Service per 40,048 people, and 1 Billing Service per 15 square miles.
In Texas, Harris County is ranked 43rd of 254 counties in Billing Services per capita, and 2nd of 254 counties in Billing Services per square mile.