There are 2 Post Offices in Marengo, Ohio, serving a population of 296 people in an area of 1 square miles. There is 1 Post Office per 148 people, and 1 Post Office per square mile.
In Ohio, Marengo is ranked 198th of 1454 cities in Post Offices per capita, and 142nd of 1454 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Marengo Post Offices.
Marengo Post Office 97 South Main Street Marengo, OH
United States Postal Service 97 South Main Street Marengo, OH Mailing Service, Postal Services