| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Leitchfield | 1 | 7,054 | 6,783 | 0.56% | 656 | 11 | City |
| Clarkson | 2 | 978 | 938 | 0.62% | 919 | 1 | City |
| Caneyville | 3 | 552 | 530 | 0.36% | 335 | 2 | City |
Leitchfield is the largest city in Grayson County, with a population of 7,054.
Caneyville is the smallest city in Grayson County, with a population of 552.
There are 3 cities in Grayson County, Kentucky.