There was a total of approximately $6 million of farms, ranches, hunting land and other land for sale in Garfield County recently on Land.com. The total of all Garfield County land for sale was 1,000 acres. Garfield County ranks 36th in the Evergreen State for the combined amount of land currently advertised for sale. Of all locations in Garfield County with ranches, farms, hunting land and other rural land and acreage for sale, Pomeroy had the most land for sale. Government and state-level services are the main economic drivers in Garfield County. Garfield County is Washington's 33rd largest county (718 square miles). It's located in the Eastern Washington region of the state.