5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Morgantown | 1 | 2,460 | 2,494 | -0.28% | 739 | 3.33 | City |
| Plum Springs | 2 | 544 | 503 | 1.49% | 1,024 | 0.53 | City |
| McHenry | 3 | 375 | 375 | 0% | 580 | 0.65 | City |
| Rochester | 4 | 115 | 112 | 0.88% | 247 | 0.47 | City |
| Woodbury | 5 | 71 | 73 | 0% | 497 | 0.14 | City |
Morgantown is the largest city in Butler County, with a population of 2,460.
Woodbury is the smallest city in Butler County.
There are 5 cities in Butler County, Kentucky.