4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Horse Cave | 1 | 2,282 | 2,220 | 0.53% | 726 | 3 | City |
| Munfordville | 2 | 1,729 | 1,687 | 0.46% | 772 | 2 | City |
| Hardyville | 3 | 280 | 180 | 2.94% | 444 | 1 | CDP |
| Bonnieville | 4 | 277 | 270 | 0.36% | 482 | 1 | City |
Horse Cave is the largest city in Hart County, with a population of 2,282.
Bonnieville is the smallest city in Hart County, with a population of 277.
There are 4 cities in Hart County, Kentucky.