4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bowling Green | 1 | 82,378 | 72,472 | 2.05% | 1,961 | 42 | City |
| Smiths Grove | 2 | 864 | 758 | 2.13% | 1,108 | 1 | City |
| Woodburn | 3 | 345 | 303 | 2.07% | 797 | 0 | City |
| Oakland | 4 | 195 | 198 | 0% | 140 | 1 | City |
Bowling Green is the largest city in Warren County, with a population of 82,378.
Oakland is the smallest city in Warren County, with a population of 195.
There are 4 cities in Warren County, Kentucky.