100 Smallest ZIP Codes in the United States by Population in Iron County, Wisconsin
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 Iron County, Wisconsin.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 54565 | UPSON | WI | 42 |
| 2 | 54536 | IRON BELT | WI | 194 |
| 3 | 54525 | GILE | WI | 279 |
| 4 | 54550 | MONTREAL | WI | 623 |
| 5 | 54559 | SAXON | WI | 918 |
| 6 | 54547 | MERCER | WI | 1,394 |
| 7 | 54534 | HURLEY | WI | 2,545 |