The value of all farms and ranches for sale in Washington's Whitman County recently was approximately $30 million, representing a combined 484 acres of land for sale in Whitman County. Whitman County ranks 29th out of 39 counties in Washington for the total acreage of land currently advertised for sale. Of all ranches, farms, hunting land and other rural land and acreage for sale in Whitman County, Pullman featured the most land for sale. Government and state-level services are the main economic drivers in Whitman County. Whitman County is the 16th biggest county (2,177 square miles) in Washington. It's located in the Eastern Washington region of the state.