4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Elkton | 1 | 2,396 | 2,064 | 2.83% | 864 | 3 | City |
| Guthrie | 2 | 1,368 | 1,335 | 0.44% | 601 | 2 | City |
| Trenton | 3 | 334 | 332 | 0% | 587 | 1 | City |
| Allensville | 4 | 201 | 160 | 6.91% | 176 | 1 | CDP |
Elkton is the largest city in Todd County, with a population of 2,396.
Allensville is the smallest city in Todd County, with a population of 201.
There are 4 cities in Todd County, Kentucky.