There are 119 Mailing Services in Baltimore County, Maryland, serving a population of 828,637 people in an area of 599 square miles. There is 1 Mailing Service per 6,963 people, and 1 Mailing Service per 5 square miles.
In Maryland, Baltimore County is ranked 17th of 24 counties in Mailing Services per capita, and 2nd of 24 counties in Mailing Services per square mile.