| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Tompkinsville | 1 | 2,219 | 2,298 | -0.72% | 676 | 3 | City |
| Gamaliel | 2 | 466 | 478 | -0.43% | 578 | 1 | City |
| Fountain Run | 3 | 216 | 217 | -0.46% | 164 | 1 | City |
Tompkinsville is the largest city in Monroe County, with a population of 2,219.
Fountain Run is the smallest city in Monroe County, with a population of 216.
There are 3 cities in Monroe County, Kentucky.