100 Smallest ZIP Codes in the United States by Population in Marion County, Iowa
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Marion County, Iowa.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 50116 | HAMILTON | IA | 191 |
| 2 | 50252 | SWAN | IA | 244 |
| 3 | 50057 | COLUMBIA | IA | 244 |
| 4 | 50119 | HARVEY | IA | 356 |
| 5 | 50256 | TRACY | IA | 519 |
| 6 | 50163 | MELCHER DALLAS | IA | 663 |
| 7 | 50214 | OTLEY | IA | 730 |
| 8 | 50062 | MELCHER DALLAS | IA | 859 |
| 9 | 50044 | BUSSEY | IA | 887 |
| 10 | 50225 | PLEASANTVILLE | IA | 3,211 |
| 11 | 50138 | KNOXVILLE | IA | 12,086 |
| 12 | 50219 | PELLA | IA | 13,940 |