Winnebago County, Iowa ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
11,847
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 | 50436 | Forest City | 5,771 |
| 2 | 50450 | Lake Mills | 2,952 |
| 3 | 50424 | Buffalo Center | 1,441 |
| 4 | 50478 | Thompson | 737 |
| 5 | 50453 | Leland | 537 |
| 6 | 50473 | Scarville | 219 |
| 7 | 50465 | Rake | 190 |
Cities in Winnebago 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.