A total of almost 1,000 acres were listed for sale in North Dakota's McKenzie County recently, representing a combined $4 million in McKenzie County land and rural real estate for sale. McKenzie County ranks 12th out of 53 counties in the Sioux State for the combined amount of land currently advertised for sale. Watford City featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of North Dakota. McKenzie County is the largest county in North Dakota (2,860 square miles). It's located in the West North Dakota region of North Dakota.