Mio ( /maɪ.oʊ/) is an unincorporated community in the U.S. state of Michigan. It is the county seat of Oscoda County and is situated along the boundary between Mentor Township on the east and Big Creek Township on the west.
Mio is also a census-designated place (CDP) used for statistical purposes, but has no legal status as an incorporated municipality. As of the 2000 census, the CDP population...