The total value of farms, rural land, hunting land and other land for sale in Mahnomen County recently on Land.com was nearly $4 million. This represents nearly 1,000 acres of farms, rural land, hunting land and other land for sale in Mahnomen County. Mahnomen County ranks 75th out of 87 counties in the Land of 10,000 Lakes for the total number of acres of land currently advertised for sale. Of all land for sale in Mahnomen County, Mahnomen had the most land for sale. Mahnomen County is Minnesota's 59th biggest county (582 square miles). It's located in the North Central West Minnesota region of Minnesota.