3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Leitchfield | 1 | 6,924 | 6,777 | 0.42% | 644 | 11 | City |
| Clarkson | 2 | 973 | 940 | 0.62% | 914 | 1 | City |
| Caneyville | 3 | 538 | 528 | 0.37% | 326 | 2 | City |
Leitchfield is the largest city in Grayson County, with a population of 6,924.
Caneyville is the smallest city in Grayson County, with a population of 538.
There are 3 cities in Grayson County, Kentucky.