St. Ignace (/ˈɪɡnəs/ IHG-nəss) is a city in the U.S. state of Michigan and the county seat of Mackinac County. The city had a population of 2,306 at the 2020 census. St. Ignace Township is located just to the north of the city, but the two are administered autonomously.
Zip Codes in St. Ignace, MI that we also serve: 49781