Land for Sale including Residential Properties in Warren County, Illinois

Warren County is in Western Illinois. Of the 102 counties in the Prairie State, 347,534-acre Warren County ranks 49th by size. The total value of around 1,000 acres of residential land recently listed for sale in Warren County, Illinois, was around $2 million. The average price of residential acreage for sale in Warren County was $233,400. 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.