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U.S. ZIP Code 52742
5-digit United States postal code #52742, De Witt, IA
ZIP code 52742 is located in the city (place name) De Witt, сounty Clinton in the state of Iowa. The population in ZIP code 52742 is 7618 and the population density is 25.1. ZIP code 52742 refers to сounty Clinton having сounty FIPS 19045, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19045: 100%. In the area of the ZIP code 52742 valid time zone America/Chicago.