Clayton Zip Codes

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Clayton is a county of Iowa. It has a land area of 779 square miles. The population of Clayton was 18,129 in 2010 with a negative growth rate of -2.9% since the year 2000.

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• Iowa Zip Codes
• Clayton, Clayton Center, Communia, Edgewood, Elkader, Elkport, Farmersburg, Froelich, Garber, Garnavillo, Giard, Guttenberg, Hardin, Holy Cross, Littleport, Luana, Marquette, Mc Gregor, Mederville, Millville, Monona, N Buena Vista, National, North Buena Vista, Osborne, Rossville, Saint Olaf, Strawberry Point, Strawberry Pt, Turkey River, Volga, Volney, Watson, Wood
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