Land for Sale including Residential Properties in Union County, Illinois

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Residential Property in Union County, Illinois

Union County is in Southern Illinois. Of the 102 counties in the Prairie State, 422-square-mile Union County ranks 71st by size. Recent listings of residential land and property for sale in Union County, Illinois, totals almost 1,000 acres and a combined market value of approximately $2 million. The most common type of land for sale by combined acreage in Union County is house. The average price of residential acreage for sale in Union County was $512,475. 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.