Bay County, county in Michigan, United States. As of 2020 county had an estimated population of 102,387 inhabitants. The county was created 165 years ago in 1857. Its county seat is "Bay City".
There are 1 city/town in Bay County, MI. The largest city of Bay County is Auburn with a population of 2,069.
Cities, Towns, Neighborhoods & Other Populated Places in Bay County.
|Auburn||City in Michigan, USA||Bay||2,069|