There are 261 Mailing Services in Dallas County, Texas, serving a population of 2,552,213 people in an area of 873 square miles. There is 1 Mailing Service per 9,778 people, and 1 Mailing Service per 3 square miles.
In Texas, Dallas County is ranked 217th of 254 counties in Mailing Services per capita, and 1st of 254 counties in Mailing Services per square mile.