ABOUT EMMETT TOWNSHIP Emmett Township is a rural township located in St. Clair County, Michigan. The Township started as an Irish settlement with agriculture as the primary industry. Location: Emmett Township is located in western St. Clair County, Michigan. Population: 2506 as of the 2000 census. Founded: February 19, 1850. Land area: 35.3 square miles Township hall: 11100 Dunnigan Rd., Emmett, Michigan 48022 Township Government in Michigan