Union Zip Codes

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Union is a county of Illinois. It has a land area of 417 square miles. The population of Union was 17,808 in 2010 with a negative growth rate of -2.7% since the year 2000.

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• Alto Pass, Anna, Balcom, Cobden, Dongola, Jonesboro, Millcreek, Reynoldsville, Saratoga, Ware, Wetaug, Wolf Lake
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