2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rocky Mount | 1 | 4,988 | 4,903 | 0.34% | 730 | 7 | Town |
| Boones Mill | 2 | 260 | 258 | 0% | 352 | 1 | Town |
Rocky Mount is the largest city in Franklin County, with a population of 4,988.
Boones Mill is the smallest city in Franklin County, with a population of 260.
There are 2 cities in Franklin County, Virginia.