100 Largest ZIP Codes in the United States by Population in Plymouth 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 Plymouth County, Iowa.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 51031 | LE MARS | IA | 12,595 |
| 2 | 51050 | REMSEN | IA | 3,043 |
| 3 | 51001 | AKRON | IA | 2,370 |
| 4 | 51024 | HINTON | IA | 2,125 |
| 5 | 51028 | KINGSLEY | IA | 2,027 |
| 6 | 51038 | MERRILL | IA | 1,763 |
| 7 | 51062 | WESTFIELD | IA | 356 |
| 8 | 51008 | BRUNSVILLE | IA | 168 |
| 9 | 51045 | OYENS | IA | 113 |