There are 2 Post Offices in Salem, South Dakota, serving a population of 1,394 people in an area of 2 square miles. There is 1 Post Office per 697 people, and 1 Post Office per square mile.
In South Dakota, Salem is ranked 229th of 463 cities in Post Offices per capita, and 166th of 463 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Salem Post Offices.
US Post Office 311 North Main Street Salem, SD
United States Postal Service 311 North Main Street Salem, SD Mailbox Rental, Mailing Service, Postal Services