Land for Sale including Residential Properties in Williamson County, Illinois

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Residential Property in Williamson County, Illinois

Williamson County is in Southern Illinois. Of the 102 counties in the Prairie State, Williamson County is 65th in terms of its size (284,385 acres). Recent Land Network data totals approximately 1,000 acres of residential land for sale in Illinois's Williamson County, which is valued at a combined $14 million. The average price of residential acreage for sale in Williamson County was $346,903. 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.