6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Tompkinsville | 1 | 2,224 | 2,302 | -0.67% | 677 | 3 | City |
| Tompkinsville | 2 | 2,224 | 2,298 | -0.67% | 677 | 3 | City |
| Gamaliel | 3 | 464 | 478 | -0.64% | 576 | 1 | City |
| Gamaliel | 4 | 464 | 477 | -0.64% | 576 | 1 | City |
| Fountain Run | 5 | 219 | 219 | 0% | 166 | 1 | City |
| Fountain Run | 6 | 219 | 219 | 0% | 166 | 1 | City |
Tompkinsville is the largest city in Monroe County, with a population of 2,224.
Fountain Run is the smallest city in Monroe County, with a population of 219.
There are 6 cities in Monroe County, Kentucky.