| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Scottsville | 1 | 4,748 | 4,275 | 1.6% | 720 | 7 | City |
Scottsville is the largest city in Allen County, with a population of 4,748.
Scottsville is the smallest city in Allen County, with a population of 4,748.
There is 1 city in Allen County, Kentucky.