St. Clair County, MI Population St. Clair County, MI Population by Year St. Clair County, MI Population by Gender St. Clair County, MI Population by Age St. Clair County, MI Population by Race & Ethnicity Port Huron, MI Population Fort Gratiot charter Township, Michigan Population Port Huron charter Township, Michigan Population Marysville, MI Population Kimball Township, Michigan Population Clay Township, Michigan Population St. Clair Township, Michigan Population Richmond, MI Population Clyde township, St. Clair County, Michigan Population St. Clair, MI Population

Algonac Berlin township Brockway township Burtchville township Capac Casco township China township Clay township Clyde township Columbus township Cottrellville township East China township Emmett township Emmett Fort Gratiot charter township Grant township Greenwood township Ira township Kenockee township Kimball township Lynn township Marine City Marysville Memphis Mussey township Port Huron charter township Port Huron Richmond Riley township St. Clair township St. Clair Wales township Yale