There are 370 Mailing Services in Harris County, Texas, serving a population of 4,525,519 people in an area of 1,705 square miles. There is 1 Mailing Service per 12,231 people, and 1 Mailing Service per 4 square miles.
In Texas, Harris County is ranked 233rd of 254 counties in Mailing Services per capita, and 2nd of 254 counties in Mailing Services per square mile.