100 Smallest ZIP Codes in the United States by Population in Barren County, Kentucky
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 Barren County, Kentucky.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 42131 | ETOILE | KY | 116 |
| 2 | 42130 | EIGHTY EIGHT | KY | 157 |
| 3 | 42156 | LUCAS | KY | 270 |
| 4 | 42123 | AUSTIN | KY | 1,279 |
| 5 | 42160 | PARK CITY | KY | 2,192 |
| 6 | 42127 | CAVE CITY | KY | 6,915 |
| 7 | 42141 | GLASGOW | KY | 31,732 |