100 Smallest ZIP Codes in the United States by Population in Grainger 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 Grainger County, Tennessee.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 37848 | POWDER SPRINGS | TN | 135 |
| 2 | 37881 | THORN HILL | TN | 1,829 |
| 3 | 37888 | WASHBURN | TN | 3,623 |
| 4 | 37709 | BLAINE | TN | 3,746 |
| 5 | 37708 | BEAN STATION | TN | 6,365 |
| 6 | 37861 | RUTLEDGE | TN | 8,256 |