Clark County is in Central Illinois. Of the 102 counties in the Inland Empire, Clark County ranks 54th in terms of size (323,088 acres). Recent listings of residential land for sale in Illinois's Clark County totals approximately 1,000 acres and a combined market value of about $3 million. The most common type of land for sale by combined acreage in Clark County is residential property. The average price of residential land for sale in Clark County was $272,477. 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.