Iron County, Wisconsin ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
6,057
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 54534 | Hurley | 2,393 |
| 2 | 54547 | Mercer | 1,549 |
| 3 | 54559 | Saxon | 837 |
| 4 | 54550 | Montreal | 768 |
| 5 | 54525 | Gile | 318 |
| 6 | 54536 | Iron Belt | 154 |
| 7 | 54565 | Upson | 38 |
Cities in Iron County
ZIP Directory
Browse all ZIP data for Wisconsin
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.