There was a combined $4 million of farms, ranches, hunting land and other land for sale in North Dakota's McKenzie County recently on Land.com. The total acreage of all McKenzie County farms and ranches for sale was nearly 1,000 acres. McKenzie County ranks 10th out of 53 counties in the Rough Rider State for the combined amount of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in McKenzie County, Watford City had 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 the state.