Clark County is in Central Illinois. Of the 102 counties in the Land of Lincoln, Clark County is 54th in terms of its size (323,088 acres). Illinois's Clark County has approximately 1,000 acres of residential land and property for sale based on recent Land Network data. The combined market value of farms, rural land, hunting land and other land for sale here was nearly $2 million. The average price of residential land for sale in Clark County was $358,400. 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.