8 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 42101 | Bowling Green | 63,290 |
| 42104 | Bowling Green | 41,273 |
| 42103 | Bowling Green | 21,927 |
| 42171 | Smiths Grove | 7,189 |
| 42122 | Alvaton | 5,362 |
| 42274 | Rockfield | 2,668 |
| 42170 | Woodburn | 1,506 |
| 42159 | Oakland | 1,412 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Warren County, Kentucky (US Census).