100 Smallest ZIP Codes in the United States by Population in DeKalb 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 DeKalb County, Indiana.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 46730 | CORUNNA | IN | 1,007 |
| 2 | 46785 | SAINT JOE | IN | 1,732 |
| 3 | 46705 | ASHLEY | IN | 1,936 |
| 4 | 46793 | WATERLOO | IN | 4,281 |
| 5 | 46721 | BUTLER | IN | 4,856 |
| 6 | 46738 | GARRETT | IN | 8,339 |
| 7 | 46706 | AUBURN | IN | 20,000 |