Cheboygan County is a county in Michigan. As of the 2020 Census, the population was 25,579. The county seat is Cheboygan. The county boundaries were set off in 1840, with land partitioned from Michilimackinac County.
The name of the county shares the same origin as that of the Cheboygan River, although the precise meaning is no longer known. It may have come from an Ojibwe word zhaabonigan, meaning "sewing needle". Alternatively, the origin may have been Chabwegan, meaning "a place of ore". It has also been described as "a Native American word first applied to the river."
According to the U.S. Census Bureau, the county has a total area of 885 square miles, of which 715 square miles is land and 170 square miles(19%) is water. The county is considered to be part of Northern Michigan.