There are 8 zip codes in Santa Cruz County, Arizona. The most populated is 85648, located in Rio Rico. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8564821,509Rio Rico
8562121,421Nogales
856461,403Tubac
856241,396Patagonia
856111,261Elgin
856371,219Sonoita
856451,219Amado
8564081Tumacacori
showing: 8 rows

Zip Codes in Santa Cruz County, Arizona by Population (2024)