Saint Clair County, Michigan, USA

St. Clair County occupies Michigan’s easternmost Lower Peninsula, where Lake Huron drains into the St. Clair River and Lake St. Clair. Port Huron is its county seat and an international crossing to Ontario. The county’s shoreline and waterways have long supported shipping, fishing and recreation, while its inland areas include farmland and smaller communities. Established in 1820, it combines the urbanized Blue Water corridor with rural parts of Michigan’s Thumb region.