3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pippa Passes | 1 | 664 | 464 | 6.41% | 1,489 | 0.45 | City |
| Hindman | 2 | 625 | 700 | -2.34% | 201 | 3.11 | City |
| Diablock | 3 | 418 | 552 | -0.48% | 2,059 | 0.20 | CDP |
Pippa Passes is the largest city in Knott County, with a population of 664.
Diablock is the smallest city in Knott County.
There are 3 cities in Knott County, Kentucky.