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U.S. ZIP Code 49345
5-digit United States postal code #49345, Sparta, MI
ZIP code 49345 is located in the city (place name) Sparta, сounty Kent in the state of Michigan. The population in ZIP code 49345 is 13040 and the population density is 95.4. ZIP code 49345 refers to сounty Kent having сounty FIPS 26081, the ratio of people from different counties in this ZIP code is as follows: all county weights - 26081: 100%. In the area of the ZIP code 49345 valid time zone America/Detroit.