16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Franklin | 1 | 883 | 925 | -1.01% | 890 | 1 | City |
| Hildreth | 2 | 364 | 383 | -1.09% | 636 | 1 | Village |
| North Franklin | 3 | 306 | 318 | -0.33% | 8 | 36 | Township |
| Campbell | 4 | 256 | 270 | -1.16% | 620 | 0 | Village |
| East Bloomington | 5 | 253 | 253 | 0.8% | 4 | 72 | Township |
| Franklin | 6 | 214 | 212 | -0.47% | 7 | 32 | Township |
| Antelope | 7 | 196 | 198 | 1.03% | 5 | 36 | Township |
| Franklin | 8 | 186 | 190 | -1.06% | 5 | 36 | Township |
| Turkey Creek | 9 | 135 | 136 | 0% | 4 | 36 | Township |
| Upland | 10 | 123 | 128 | -0.81% | 285 | 0 | Village |
| Marion | 11 | 113 | 115 | 0% | 2 | 71 | Township |
| Bloomington | 12 | 110 | 110 | 0% | 138 | 1 | Village |
| Ash Grove | 13 | 107 | 108 | 0% | 1 | 72 | Township |
| Naponee | 14 | 85 | 85 | 0% | 368 | 0 | Village |
| Macon | 15 | 76 | 75 | 1.33% | 2 | 36 | Township |
| Riverton | 16 | 57 | 60 | -1.72% | 145 | 0 | Village |
Franklin is the largest city in Franklin County, with a population of 883.
Riverton is the smallest city in Franklin County, with a population of 57.
There are 16 cities in Franklin County, Nebraska.