A total of approximately 2,000 acres were listed for sale in Minnesota's Pennington County recently, representing a total value of almost $6 million in Pennington County land and rural real estate for sale. Pennington County ranks 79th in the Gopher State for the total acreage of land currently advertised for sale. Among cities in Pennington County with farms, rural land, hunting land and other land for sale, Thief River Falls featured the most land for sale. Pennington County is the 52nd biggest county (618 square miles) in Minnesota. It's located in the North Central West Minnesota region of Minnesota.