There are 2 Post Offices in Marietta, Ohio, serving a population of 13,795 people in an area of 9 square miles. There is 1 Post Office per 6,897 people, and 1 Post Office per 4 square miles.
In Ohio, Marietta is ranked 739th of 1454 cities in Post Offices per capita, and 727th of 1454 cities in Post Offices per square mile.
Find Marietta, Ohio post offices and USPS mailing boxes.
Marietta Post Offices are branch locations of the customer service postal facilities of the United States Postal Service (USPS) in Marietta, OH. The USPS is an independent agency of the federal government that provides mail and package delivery services to all states and territories. Marietta post offices are supported entirely by revenues generated by their own operations. Operational authority over the USPS lies with a Board of Governors and rate setting authority falls under the Postal Rate Commission.You may contact the Post Office for questions about: