4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bowling Green | 1 | 80,727 | 72,472 | 2.09% | 1,945 | 42 | City |
| Smiths Grove | 2 | 846 | 758 | 2.05% | 1,085 | 1 | City |
| Woodburn | 3 | 338 | 303 | 2.11% | 781 | 0 | City |
| Oakland | 4 | 195 | 198 | -0.51% | 140 | 1 | City |
Bowling Green is the largest city in Warren County, with a population of 80,727.
Oakland is the smallest city in Warren County, with a population of 195.
There are 4 cities in Warren County, Kentucky.