100 Smallest ZIP Codes in the United States by Population in Unicoi County, Tennessee
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 Unicoi County, Tennessee.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 37657 | FLAG POND | TN | 1,057 |
| 2 | 37692 | UNICOI | TN | 4,769 |
| 3 | 37650 | ERWIN | TN | 12,980 |