Founded in 1899, Santa Cruz County is one of 15 counties in the state of Arizona. Historically, Santa Cruz County was formed from Cochise and Pima counties. The city of Nogales is the county seat. With FIPS code of 23, Santa Cruz County has a population of 47,883 and area of 1,238 square miles (3,206 km2).
List of all cities in Santa Cruz County, AZ alphabetically
| City/Town | Postal Code | Area Code |
| Agua Linda, AZ | 85640 | 520 |
| Amado, AZ | 85640 | 520 |
| 85645 | 520 | |
| Canelo, AZ | 85611 | 520 |
| Carmen, AZ | 85640 | 520 |
| Elgin, AZ | 85611 | 520 |
| Fairbank, AZ | 85621 | 520 |
| Greaterville, AZ | 85637 | 520 |
| Harshaw, AZ | 85624 | 520 |
| Kinsley Ranch, AZ | 85640 | 520 |
| Lochiel, AZ | 85624 | 520 |
| Nogales, AZ | 85621 | 520 |
| 85628 | 520 | |
| 85648 | 520 | |
| 85662 | 520 | |
| Patagonia, AZ | 85624 | 520 |
| Rio Rico, AZ | 85648 | 520 |
| Sonoita, AZ | 85637 | 520 |
| Tubac, AZ | 85640 | 520 |
| 85646 | 520 | |
| Tumacacori, AZ | 85640 | 520 |
| 85645 | 520 | |
| 85646 | 520 |
Map of Cities in Santa Cruz County, AZ
