A total of approximately 1,000 acres were listed for sale in Mahnomen County, Minnesota, recently; the value of all Mahnomen County land and rural real estate for sale was almost $2 million. Mahnomen County ranks 78th out of 87 counties in the North Star State for the combined amount of land currently advertised for sale. Of all locations in Mahnomen County with land and rural real estate for sale, Mahnomen had the most land for sale. Mahnomen County is the 59th biggest county (582 square miles) in Minnesota. It's located in the North Central West Minnesota region of the state.