100 Smallest ZIP Codes in the United States by Population in Santa Cruz County, Arizona
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Santa Cruz County, Arizona.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 85640 | TUMACACORI | AZ | 81 |
| 2 | 85637 | SONOITA | AZ | 1,219 |
| 3 | 85611 | ELGIN | AZ | 1,261 |
| 4 | 85624 | PATAGONIA | AZ | 1,396 |
| 5 | 85646 | TUBAC | AZ | 1,403 |
| 6 | 85621 | NOGALES | AZ | 21,421 |
| 7 | 85648 | RIO RICO | AZ | 21,509 |