A total of 1,000 acres were listed for sale in Mercer County recently; the combined value of all Mercer County farms, ranches, and rural real estate for sale was almost $7 million. Mercer County ranks eighth 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 Mercer County, Hazen had the most land for sale. Economically speaking, Mercer County's is largely dependent on mining and mineral extraction-related businesses and services. Mercer County is the 35th largest county (1,112 square miles) in North Dakota. It's located in the Central North Dakota region of North Dakota.