You are here
U.S. ZIP Code 51234
5-digit United States postal code #51234, Boyden, IA
ZIP code 51234 is located in the city (place name) Boyden, сounty Sioux in the state of Iowa. The population in ZIP code 51234 is 1268 and the population density is 9.8. ZIP code 51234 refers to сounty Sioux having сounty FIPS 19167, the ratio of people from different counties in this ZIP code is as follows: all county weights - 19167: 100%. In the area of the ZIP code 51234 valid time zone America/Chicago.