Sheridan County is in Central North Dakota. Of the 53 counties in the Sioux State, 643,611-acre Sheridan County ranks 40th by size. Browse all Sheridan County farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future business or individual needs. By overall acreage, farms is the most common type of land for sale in Sheridan County.