Gaylord is a city in the U.S. state of Michigan. It is the county seat of Otsego County, and is the only city within the county. Gaylord had a …Gaylord is a city in the U.S. state of Michigan. It is the county seat of Otsego County, and is the only city within the county. Gaylord had a population of 4,286 at the 2020 census, an increase from 3,645 at the 2010 census.