There are 2 Post Offices in Blackhawk, South Dakota, serving a population of 3,000 people in an area of 5 square miles. There is 1 Post Office per 1,500 people, and 1 Post Office per 2 square miles.
In South Dakota, Blackhawk is ranked 284th of 463 cities in Post Offices per capita, and 289th of 463 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Blackhawk Post Offices.
US Post Office 7501 Captain Soelzer Street Blackhawk, SD
United States Postal Service 7501 Captain Soelzer Street Blackhawk, SD Mailing Service, Postal Services