| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Danville | 1 | 17,782 | 17,321 | 0.26% | 983 | 18 | City |
| Junction City | 2 | 2,357 | 2,276 | 0.47% | 1,175 | 2 | City |
| Perryville | 3 | 808 | 787 | 0.25% | 1,035 | 1 | City |
Danville is the largest city in Boyle County, with a population of 17,782.
Perryville is the smallest city in Boyle County, with a population of 808.
There are 3 cities in Boyle County, Kentucky.