There are 2 Post Offices in Mount Auburn, Illinois, serving a population of 556 people in an area of 1 square miles. There is 1 Post Office per 278 people, and 1 Post Office per square mile.
In Illinois, Mount Auburn is ranked 283rd of 1547 cities in Post Offices per capita, and 345th of 1547 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Mount Auburn Post Offices.
US Post Office 315 West Arch Street Mount Auburn, IL
United States Postal Service 240 East Arch Street Mount Auburn, IL Mailbox Rental, Postal Services