100 Largest ZIP Codes in the United States by Population in Decatur 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 Decatur County, Iowa.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 50140 | LAMONI | IA | 2,973 |
| 2 | 50144 | LEON | IA | 2,579 |
| 3 | 50065 | DAVIS CITY | IA | 608 |
| 4 | 50264 | WELDON | IA | 493 |
| 5 | 50108 | GRAND RIVER | IA | 438 |
| 6 | 50103 | GARDEN GROVE | IA | 400 |
| 7 | 50067 | DECATUR | IA | 265 |
| 8 | 50262 | VAN WERT | IA | 174 |