There was a combined approximately $94 million of farms, ranches, hunting land and other land for sale in Washington's Asotin County recently on Land.com. The total size of all Asotin County land for sale was 100,000 acres. Asotin County ranks 11th in the state based on the total acres of land for sale of all the counties in the Evergreen State. Of all locations in Asotin County with farms, ranches, hunting land and other land for sale, Clarkston had the most land for sale. Asotin County is the 35th largest county (640 square miles) in Washington. It's located in the Eastern Washington region of the state.