Douglas County is in Eastern Washington. Of the 39 counties in the state, Douglas County ranks 20th in terms of size (1,848 square miles). Recent listings of residential land for sale in Washington's Douglas County totals roughly 1,000 acres and a combined market value of about $14 million. The most common type of land for sale by combined acreage in Douglas County is undeveloped land. The average price of residential land for sale in Douglas County was $663,985. The economy here is mainly agricultural. 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.