Morgan County is in Western Illinois. Of the 102 counties in the state, Morgan County ranks 43rd in terms of size (572 square miles). Recent listings of residential land and property for sale in Morgan County, Illinois, totals 1,000 acres and a combined market value of about $2 million. The most common type of land for sale by combined acreage in Morgan County is house. The average price of residential acreage for sale in Morgan County was $229,466. 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.