Calhoun County is in Southwest Illinois. Of the 102 counties in the state, Calhoun County ranks 93rd in terms of size (181,489 acres). Calhoun County, Illinois, includes around 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of farms, hunting land and other rural land and acreage for sale here was roughly $8 million. The average price of residential acreage for sale in Calhoun County was $633,720. The economy here is largely agricultural. 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.