A total of nearly 1,000 acres were listed for sale in North Dakota's Foster County recently, representing a combined nearly $500,000 in Foster County land for sale. Foster County ranks 38th in the Rough Rider State for the combined amount of land currently advertised for sale. Of all locations in Foster County with farms, ranches, hunting land and other land for sale, Mchenry featured the most land for sale. Its economy is defined as agricultural, with 310 farms recorded in the county during the most recent U.S. Census. Farming activities in Foster County generate annual revenues of $6 million, most of which is from crops. Foster County is North Dakota's 52nd biggest county (646 square miles). It's located in the Southeast North Dakota region of North Dakota.