There are 8 Post Offices in Yankton County, South Dakota, serving a population of 22,660 people in an area of 522 square miles. There is 1 Post Office per 2,832 people, and 1 Post Office per 65 square miles.
In South Dakota, Yankton County is ranked 53rd of 66 counties in Post Offices per capita, and 5th of 66 counties in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Yankton County Post Offices.
US Post Office 31095 451st Avenue Gayville, SD Mailing Service, Postal Services
United States Postal Service 506 West 25th Street Yankton, SD Mailing Service, Postal Services
United States Postal Service 109 Washington Avenue South Mission Hill, SD Mailing Service, Postal Services
United States Postal Service 508 Washington Street Gayville, SD Mailing Service, Postal Services
United States Postal Service 109 2nd Street Utica, SD Mailing Service, Postal Services
United States Postal Service 205 Main Street Volin, SD Mailing Service, Postal Services
United States Postal Service 223 Main Avenue Lesterville, SD Mailing Service, Postal Services
Utica Post Office 109 2nd Street Utica, SD