There are 8 Post Offices in Lake County, South Dakota, serving a population of 12,350 people in an area of 564 square miles. There is 1 Post Office per 1,543 people, and 1 Post Office per 70 square miles.
In South Dakota, Lake County is ranked 45th of 66 counties in Post Offices per capita, and 7th of 66 counties in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Lake County Post Offices.
US Post Office 741 South Washington Avenue Madison, SD Mailing Service, Postal Services
US Post Office 107 South Main Avenue Wentworth, SD Postal Services, Shipping Agent
United States Postal Service 107 South Main Avenue Wentworth, SD Mailbox Rental, Mailing Service, Postal Services
United States Postal Service 119 East Center Street Madison, SD Mailing Service, Postal Services
United States Postal Service 217 East Main Street Ramona, SD Mailing Service, Postal Services
United States Postal Service 504 Main Street Nunda, SD Mailing Service, Postal Services
United States Postal Service 410 4th Street Chester, SD Mailing Service, Postal Services
United States Postal Service 352 Main Street Winfred, SD Mailing Service, Postal Services