100 Largest ZIP Codes in the United States by Population in Chickasaw 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 Chickasaw County, Iowa.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 50659 | NEW HAMPTON | IA | 5,986 |
| 2 | 50658 | NASHUA | IA | 2,427 |
| 3 | 50630 | FREDERICKSBURG | IA | 1,568 |
| 4 | 50645 | IONIA | IA | 1,391 |
| 5 | 52154 | LAWLER | IA | 664 |
| 6 | 50603 | ALTA VISTA | IA | 342 |