Minco is a city in Grady County, Oklahoma, United States. The population was 1,500 at the 2020 census, a 8.1% decrease from 2010.

Grady County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 54,795. Its county seat is Chickasha. It was named for Henry W. Grady, an editor of the Atlanta Constitution and southern orator.