Douglas County is in Central Illinois. Of the 102 counties in the Inland Empire, Douglas County ranks 72nd in terms of size (267,023 acres). There is about 1,000 acres of residential land for sale in Illinois's Douglas County based on recent Land Network data, making it the most common type of land for sale in Douglas County. The combined market value of farms, rural land, hunting land and other land for sale here is around $4 million. The average price of residential acreage for sale in Douglas County was $330,676. Browse all residential land and rural property for sale in Illinois 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.