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U.S. ZIP Code 51528
5-digit United States postal code #51528, Dow City, IA
ZIP code 51528 is located in the city (place name) Dow City, сounty Crawford in the state of Iowa. The population in ZIP code 51528 is 931 and the population density is 4.9. ZIP code 51528 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 51528 valid time zone America/Chicago.