The value of all farms, ranches, hunting land and other land for sale in Washington's Whitman County recently was almost $49 million, representing a total of 8,836 acres of land for sale in Whitman County. Whitman County ranks 32nd based on the total amount of acres of land for sale of the 39 counties in the Evergreen State. 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 Washington's 16th largest county (2,177 square miles). It's located in the Eastern Washington region of Washington.