There are 5 Post Offices in Gregory County, South Dakota, serving a population of 4,209 people in an area of 1,015 square miles. There is 1 Post Office per 841 people, and 1 Post Office per 202 square miles.
In South Dakota, Gregory County is ranked 27th of 66 counties in Post Offices per capita, and 36th of 66 counties in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Gregory County Post Offices.
United States Postal Service 727 Herrick Avenue Herrick, SD Mailing Service, Postal Services
United States Postal Service 405 Mellette Street Bonesteel, SD Mailing Service, Postal Services
United States Postal Service 412 Main Street Fairfax, SD Mailing Service, Postal Services
United States Postal Service 833 Main Street Burke, SD Mailing Service, Postal Services
United States Postal Service 517 Main Street Gregory, SD Mailing Service, Postal Services