100 Largest ZIP Codes in the United States by Population in Winnebago County, Iowa
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Winnebago County, Iowa.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 50436 | FOREST CITY | IA | 5,879 |
| 2 | 50450 | LAKE MILLS | IA | 2,839 |
| 3 | 50424 | BUFFALO CENTER | IA | 1,532 |
| 4 | 50478 | THOMPSON | IA | 788 |
| 5 | 50453 | LELAND | IA | 535 |
| 6 | 50465 | RAKE | IA | 187 |
| 7 | 50473 | SCARVILLE | IA | 171 |