- Polk County, Minnesota (data.census.gov)
Polk County, Minnesota has 1,971.0 square miles of land area and is the 8th largest county in Minnesota by total area. Polk County, Minnesota is bordered by Red Lake County, Minnesota, Mahnomen County, Minnesota, Clearwater County, Minnesota, Traill County, North Dakota, Grand Forks County, North Dakota, Marshall County, Minnesota, Pennington County, Minnesota, and Norman County, Minnesota.
- Polk County, Minnesota (Wikipedia)
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, and was estimated at 30,413 in 2024. The county seat is Crookston and the largest city is East Grand Forks.