| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bowling Green | 1 | 79,982 | 72,473 | 1.88% | 1,904 | 42 | City |
| Smiths Grove | 2 | 868 | 757 | 1.88% | 1,113 | 1 | City |
| Woodburn | 3 | 346 | 302 | 1.76% | 799 | 0 | City |
| Oakland | 4 | 192 | 200 | -0.52% | 137 | 1 | City |
Bowling Green is the largest city in Warren County, with a population of 79,982.
Oakland is the smallest city in Warren County, with a population of 192.
There are 4 cities in Warren County, Kentucky.