Algonac, Michigan - Wikipedia, the free encyclopediaAlgonac is a city in St. Clair County of the U.S. state of Michigan. The population was 4,613 at the 2000 census. Algonac is located at the southern end of the St. …
City of Algonac - Official WebsiteLearn all about the beautiful Algonac, Michigan. An early morning drive in downtown Algonac is one to remember as you gaze at the sun rising ...