Perry County is in Southern Illinois. Of the 102 counties in the Land of Lincoln, 446-square-mile Perry County ranks 63rd by size. Illinois's Perry County has 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 almost $3 million. The average price of residential land for sale in Perry County was $351,542. 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.