A combined nearly 1,000 acres were listed for sale in Foster County recently; the overall value of all Foster County land and rural real estate for sale was approximately $700,000. Foster County ranks 27th out of 53 counties in North Dakota for the total number of acres of land currently advertised for sale. Of all farms, ranches, and rural real estate for sale in Foster County, Carrington 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.