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U.S. ZIP Code 51442
5-digit United States postal code #51442, Denison, IA
ZIP code 51442 is located in the city (place name) Denison, сounty Crawford in the state of Iowa. The population in ZIP code 51442 is 9838 and the population density is 21.9. ZIP code 51442 refers to сounty Crawford having сounty FIPS 19047, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19047: 100%. In the area of the ZIP code 51442 valid time zone America/Chicago.