Polk County

Polk County is a county located in the U.S. state of Minnesota. The population was at 31,600 at the 2010 census. Its county seat is Crookston, and the largest community is East Grand Forks. Polk County and Grand Forks County, North Dakota, make up the "Grand Forks, ND-MN Metropolitan Statistical Area" or "Greater Grand Forks". According to the 2000 census, the county has a total area of 1,997.81 square miles (5,174.3 km), of which 1,970.37 square miles (5,103.2 km) (or 98.63%) is land and 27.44 square miles (71.1 km) (or 1.37%) is water. As of the census of 2000, there were 31,369 people, 12,070 households, and 8,050 families residing in the county. The population density was 16 people per square mile (6/km²). There were 14,008 housing...