4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Horse Cave | 1 | 2,284 | 2,218 | 0.57% | 726 | 3.15 | City |
| Munfordville | 2 | 1,728 | 1,685 | 0.52% | 771 | 2.24 | City |
| Hardyville | 3 | 280 | 180 | 2.94% | 444 | 0.63 | CDP |
| Bonnieville | 4 | 273 | 267 | 0.37% | 475 | 0.57 | City |
Horse Cave is the largest city in Hart County, with a population of 2,284.
Bonnieville is the smallest city in Hart County.
There are 4 cities in Hart County, Kentucky.