De Kalb Zip Codes

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De Kalb is a county of Illinois. It has a land area of 635 square miles. The population of De Kalb was 105,160 in 2010 with a positive growth rate of 18.2% since the year 2000.

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• Illinois Zip Codes
• Clare, Cortland, Dekalb, Esmond, Fairdale, Genoa, Herbert, Hinckley, Kingston, Kirkland, Malta, Mcgirr, Sandwich, Shabbona, Somonauk, Sycamore, Valley View, Waterman
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