The value of all farms, ranches, hunting land and other land for sale in Wahkiakum County recently was $6 million, representing a total of 268 acres of land for sale in Wahkiakum County. Wahkiakum County ranks 37th out of 39 counties in the state for the total acreage of land currently advertised for sale. Of all locations in Wahkiakum County with farms, ranches, and rural real estate for sale, Cathlamet featured the most land for sale. Wahkiakum County is Washington's 39th biggest county (286 square miles). It's located in the Southwest Washington region of the state.