Morgan County is in Western Illinois. Of the 102 counties in the Prairie State, Morgan County ranks 43rd in terms of size (366,269 acres). A recent survey of Land Network data includes almost 1,000 acres of residential land for sale in Illinois's Morgan County, which is valued at a combined $2 million. The average price of residential land for sale in Morgan County was $255,057. 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.