2 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rocky Mount | 1 | 5,005 | 4,903 | 0.34% | 733 | 7 | Town |
| Boones Mill | 2 | 261 | 258 | 0.38% | 353 | 1 | Town |
Rocky Mount is the largest city in Franklin County, with a population of 5,005.
Boones Mill is the smallest city in Franklin County, with a population of 261.
There are 2 cities in Franklin County, Virginia.