Santa Cruz County, Arizona ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
85648Rio Rico22,118
85621Nogales21,593
85624Patagonia1,546
85611Elgin1,454
85646Tubac1,345
85637Sonoita1,105
85640Tumacacori207

Overview of ZIP Codes in Santa Cruz County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Santa Cruz County, Arizona (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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