16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Franklin | 1 | 889 | 938 | -1.11% | 896 | 0.99 | City |
| Hildreth | 2 | 359 | 379 | -1.1% | 628 | 0.57 | Village |
| North Franklin township | 3 | 300 | 317 | -1.32% | 8 | 36.09 | Township |
| Campbell | 4 | 255 | 270 | -1.16% | 617 | 0.41 | Village |
| East Bloomington township | 5 | 243 | 245 | 0% | 3 | 71.83 | Township |
| Franklin township | 6 | 219 | 213 | 0.46% | 7 | 32.14 | Township |
| Franklin township | 7 | 196 | 190 | 1.55% | 5 | 35.95 | Township |
| Antelope township | 8 | 189 | 198 | -1.05% | 5 | 35.86 | Township |
| Turkey Creek township | 9 | 134 | 135 | 0% | 4 | 35.98 | Township |
| Upland | 10 | 120 | 129 | -1.64% | 278 | 0.43 | Village |
| Marion township | 11 | 110 | 113 | -0.9% | 2 | 71.04 | Township |
| Ash Grove township | 12 | 109 | 108 | 0.93% | 2 | 71.67 | Township |
| Bloomington | 13 | 108 | 110 | 0% | 136 | 0.80 | Village |
| Naponee | 14 | 85 | 85 | 0% | 368 | 0.23 | Village |
| Macon township | 15 | 71 | 73 | -1.39% | 2 | 36.34 | Township |
| Riverton | 16 | 52 | 56 | -1.89% | 132 | 0.39 | Village |
Franklin is the largest city in Franklin County, with a population of 889.
Riverton is the smallest city in Franklin County.
There are 16 cities in Franklin County, Nebraska.