There are 2 Post Offices in Whitehorse, South Dakota, serving a population of 155 people in an area of 3 square miles. There is 1 Post Office per 77 people, and 1 Post Office per 1 square miles.
In South Dakota, Whitehorse is ranked 64th of 463 cities in Post Offices per capita, and 251st of 463 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Whitehorse Post Offices.
US Post Office 18 South 2nd Avenue Whitehorse, SD
United States Postal Service 18 South 2nd Avenue Whitehorse, SD Mailing Service, Postal Services