There are 2 Post Offices in Mount Vernon, Iowa, serving a population of 4,461 people in an area of 4 square miles. There is 1 Post Office per 2,230 people, and 1 Post Office per 1 square miles.
In Iowa, Mount Vernon is ranked 699th of 1056 cities in Post Offices per capita, and 627th of 1056 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Mount Vernon Post Offices.
US Post Office 124 2nd Street Southwest Mount Vernon, IA Postal Services, Shipping Agent
United States Postal Service 124 2nd Street Southwest Mount Vernon, IA Mailing Service, Postal Services