There are 3 Post Offices in Marion, Indiana, serving a population of 28,490 people in an area of 16 square miles. There is 1 Post Office per 9,496 people, and 1 Post Office per 5 square miles.
In Indiana, Marion is ranked 614th of 865 cities in Post Offices per capita, and 602nd of 865 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Marion Post Offices.
US Post Office 3820 South Western Avenue Marion, IN Mailing Service, Postal Services
United States Postal Service 202 West 3rd Street Marion, IN Mailing Service, Postal Services
United States Postal Service 3333 South Felton Street Marion, IN