The value of farms, ranches, hunting land and other land for sale in Whitman County recently on Land.com was almost $29 million. This represents approximately 1,000 acres of farms and ranches for sale in Whitman County. Whitman County ranks 29th in Washington for the combined amount of land currently advertised for sale. Of all land and rural real estate for sale in Whitman County, Pullman featured the most land for sale. From an economic perspective, government and state-level services contribute most to Whitman County's overall GDP. Whitman County is the 16th biggest county (2,177 square miles) in Washington. It's located in the Eastern Washington region of Washington.