There are 2 Post Offices in Clam Lake, Wisconsin, serving a population of 21 people in an area of 1 square miles. There is 1 Post Office per 10 people, and 1 Post Office per square mile.
In Wisconsin, Clam Lake is ranked 89th of 922 cities in Post Offices per capita, and 93rd of 922 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Clam Lake Post Offices.
US Post Office 60967 State Highway 77 Clam Lake, WI
United States Postal Service 60967 State Highway 77 Clam Lake, WI Mailing Service, Postal Services