14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fullerton | 1 | 1,197 | 1,257 | -0.99% | 893 | 1.34 | City |
| Genoa | 2 | 846 | 900 | -1.28% | 1,065 | 0.79 | City |
| Genoa township | 3 | 219 | 233 | -1.35% | 7 | 32.26 | Township |
| Timber Creek township | 4 | 176 | 186 | -0.56% | 5 | 37.58 | Township |
| Prairie Creek township | 5 | 110 | 118 | -0.9% | 2 | 44.17 | Township |
| Fullerton township | 6 | 108 | 123 | -3.57% | 4 | 27.82 | Township |
| Beaver township | 7 | 99 | 105 | -1% | 2 | 41.57 | Township |
| Council Creek township | 8 | 80 | 85 | -1.23% | 2 | 34.62 | Township |
| East Newman township | 9 | 79 | 84 | -1.25% | 2 | 31.93 | Township |
| Cedar township | 10 | 76 | 80 | -1.3% | 2 | 40.97 | Township |
| Loup Ferry township | 11 | 69 | 73 | -1.43% | 2 | 40.30 | Township |
| Cottonwood township | 12 | 59 | 63 | -1.67% | 1 | 45.73 | Township |
| West Newman township | 13 | 45 | 49 | -2.17% | 2 | 26.81 | Township |
| South Branch township | 14 | 33 | 34 | 0% | 1 | 35.70 | Township |
Fullerton is the largest city in Nance County, with a population of 1,197.
South Branch township is the smallest city in Nance County.
There are 14 cities in Nance County, Nebraska.