There was a total of $57 million of land for sale in Rio Blanco County recently on Land.com. The total size of all Rio Blanco County farms, ranches, hunting land and other land for sale was approximately 100,000 acres. Rio Blanco County ranks 44th in the Rocky Mountain State for the total number of acres of land currently advertised for sale. Of all locations in Rio Blanco County with farms and ranches for sale, Meeker had the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Colorado. Rio Blanco County is one of the ten biggest counties in Colorado (3,222 square miles). It's located in the Northwest Colorado region of the state.