Humboldt County, Iowa ZIP Codes
- ZIP records
10 - Cities represented
10 - Sum of listed ZIP population estimates
9,264
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 | 50548 | Humboldt | 5,722 |
| 2 | 50519 | Bode | 765 |
| 3 | 50529 | Dakota City | 752 |
| 4 | 50558 | Livermore | 653 |
| 5 | 50591 | Thor | 405 |
| 6 | 50577 | Renwick | 341 |
| 7 | 50570 | Ottosen | 203 |
| 8 | 50582 | Rutland | 170 |
| 9 | 50545 | Hardy | 139 |
| 10 | 50520 | Bradgate | 114 |
Cities in Humboldt County
ZIP Directory
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.