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U.S. ZIP Code 51546
5-digit United States postal code #51546, Logan, IA
ZIP code 51546 is located in the city (place name) Logan, сounty Harrison in the state of Iowa. The population in ZIP code 51546 is 2915 and the population density is 9.9. ZIP code 51546 refers to сounty Harrison having сounty FIPS 19085, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19085: 100%. In the area of the ZIP code 51546 valid time zone America/Chicago.