Floyd County, Iowa ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
15,044
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 | 50616 | Charles City | 9,358 |
| 2 | 50458 | Nora Springs | 2,094 |
| 3 | 50468 | Rockford | 1,617 |
| 4 | 50471 | Rudd | 740 |
| 5 | 50435 | Floyd | 713 |
| 6 | 50653 | Marble Rock | 486 |
| 7 | 50620 | Colwell | 36 |
Cities in Floyd 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.