1 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Scottsville | 1 | 4,692 | 4,294 | 1.73% | 736 | 6.38 | City |
Scottsville is the largest city in Allen County, with a population of 4,692.
Scottsville is the smallest city in Allen County.
There is 1 city in Allen County, Kentucky.