Founded in 1798, Barren County is one of 120 counties in the state of Kentucky. Historically, Barren County was formed from Green County and Warren County. The city of Glasgow is the county seat. With FIPS code of 9, Barren County has a population of 44,544 and area of 491 square miles (1,272 km2).
List of all cities in Barren County, KY alphabetically
| City/Town | Postal Code | Area Code |
| Austin, KY | 42123 | 270 |
| Cave City, KY | 42127 | 270 |
| Cooktown, KY | 42123 | 270 |
| Dry Fork, KY | 42141 | 270 |
| Dryfork, KY | 42131 | 270 |
| Eighty Eight, KY | 42130 | 270 |
| Etoile, KY | 42131 | 270 |
| Glasgow, KY | 42141 | 270 |
| 42142 | 270 | |
| 42156 | 270 | |
| Haywood, KY | 42141 | 270 |
| Hiseville, KY | 42152 | 270 |
| Lamb, KY | 42141 | 270 |
| Lucas, KY | 42156 | 270 |
| Park City, KY | 42160 | 270 |