Located on the western banks of the St. Clair River, the city's name is taken from the river. It was named for Lake Saint Clair, named by French explorers in the 17th century. The expedition of French explorer René Robert Cavelier, Sieur de La Salle entered the lake on August 12, 1679, the feast day of Saint Clare of Assisi, and named it Lac Sainte-Claire in her honor.
Zip Codes in St. Clair, MI that we also serve: 48079