There are 8 zip codes in Union County, New Mexico. The most populated is 88415, located in Clayton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
884153,152Clayton
88418542Des Moines
88414127Capulin
88410125Amistad
88422125Gladstone
8841964Folsom
8842459Grenville
8843650Sedan
showing: 8 rows

Zip Codes in Union County, New Mexico by Population (2024)