what county is crookston mn in
Crookston, Minnesota. Crookston is a city in the U.S. state of Minnesota. It is the county seat of Polk County. The population was 7,891 at the 2010 census. It is part of the Grand Forks, NDâMN Metropolitan Statistical Area or Greater Grand Forks. Crookston is the episcopal seat of the Roman Catholic Diocese of Crookston.