Land for sale in Polk County recently totaled nearly $10 million and almost 1,000 acres. Polk County ranks 74th in the North Star State for the total acreage of land currently advertised for sale. There were two properties listed as sold in Polk County through the Land Network Comparable Sales Program. This represented a total value of $858,959. Among cities in Polk County with farms, rural land, hunting land and other land for sale, Fosston featured the most land for sale. Polk County is one of the ten biggest counties in Minnesota (1,997 square miles). It's located in the North Central West Minnesota region of Minnesota.