Whitman County is in Eastern Washington. Of the 39 counties in the Evergreen State, Whitman County ranks 16th in terms of size (2,177 square miles). Recent Land Network data shows approximately 1,000 acres of residential land for sale in Washington's Whitman County, which is valued at a combined $13 million. The average price of residential land for sale in Whitman County was $404,719. Browse all residential land and rural property for sale in Washington to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.