St. Clair County is a local government agency serving one of Michigan's 83 Counties.  Located at the southern extent of Lake Huron, we include the easternmost area of Michigan and our County Seat (Port Huron) is actually North of Canada.  Due to our grographic location, St. Clair County has had a long history of enterprise and development.  Located at the northern connection between Interstates 94 & 69, we remain an important transportation link to trade in North America.

Government

St. Clair County

St. Clair County's headquarters in Port Huron, MI, United States

St. Clair County

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