100 Smallest ZIP Codes in the United States by Population in Wells County, Indiana
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 Wells County, Indiana.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 46778 | PETROLEUM | IN | 103 |
| 2 | 46799 | ZANESVILLE | IN | 409 |
| 3 | 46766 | LIBERTY CENTER | IN | 422 |
| 4 | 46759 | KEYSTONE | IN | 441 |
| 5 | 46781 | PONETO | IN | 791 |
| 6 | 46731 | CRAIGVILLE | IN | 921 |
| 7 | 46791 | UNIONDALE | IN | 1,015 |
| 8 | 46770 | MARKLE | IN | 2,820 |
| 9 | 46777 | OSSIAN | IN | 6,106 |
| 10 | 46714 | BLUFFTON | IN | 15,367 |