Crookston is a city in the U.S. state of Minnesota. It is the county seat of Polk County. The population was 7,482 at the 2020 census. It is part of the "Grand Forks, ND-MN Metropolitan Statistical Area" or "Greater Grand Forks".

Polk County is a county in the northwestern part of the U.S. state of Minnesota. The population was 31,192 at the 2020 census. Its county seat is Crookston, and the largest community is East Grand Forks.