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Zip Codes in Knox County, illinois
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Zip Code
Population
Knox County, IL 61401
34,544
Knox County, IL 61448
3,823
Knox County, IL 61410
3,793
Knox County, IL 61488
1,120
Knox County, IL 61572
1,068
Knox County, IL 61467
1,048
Knox County, IL 61428
986
Knox County, IL 61436
951
Knox County, IL 61489
894
Knox County, IL 61430
828
Knox County, IL 61458
822
Knox County, IL 61414
789