6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lake Royale | 1 | 3,571 | 3,228 | 2.03% | 549 | 6.51 | CDP |
| Louisburg | 2 | 3,404 | 3,066 | 2.04% | 1,151 | 2.96 | Town |
| Franklinton | 3 | 2,883 | 2,470 | 2.96% | 1,660 | 1.74 | Town |
| Youngsville | 4 | 2,435 | 2,074 | 3.05% | 1,315 | 1.85 | Town |
| Bunn | 5 | 383 | 327 | 2.96% | 709 | 0.54 | Town |
| Centerville | 6 | 326 | 302 | 7.24% | 200 | 1.63 | CDP |
Lake Royale is the largest city in Franklin County, with a population of 3,571.
Centerville is the smallest city in Franklin County.
There are 6 cities in Franklin County, North Carolina.