14 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fullerton | 1 | 1,197 | 1,256 | -0.83% | 893 | 1 | City |
| Genoa | 2 | 840 | 899 | -1.18% | 1,058 | 1 | City |
| Genoa | 3 | 219 | 233 | -0.45% | 7 | 32 | Township |
| Timber Creek | 4 | 184 | 194 | 0% | 5 | 38 | Township |
| Fullerton | 5 | 118 | 123 | 0% | 4 | 28 | Township |
| Prairie Creek | 6 | 116 | 117 | 1.75% | 3 | 44 | Township |
| Beaver | 7 | 94 | 101 | -1.05% | 2 | 42 | Township |
| Council Creek | 8 | 86 | 85 | 2.38% | 2 | 35 | Township |
| East Newman | 9 | 81 | 84 | 0% | 3 | 32 | Township |
| Cedar | 10 | 75 | 78 | 0% | 2 | 41 | Township |
| Loup Ferry | 11 | 70 | 73 | 0% | 2 | 40 | Township |
| Cottonwood | 12 | 62 | 64 | 0% | 1 | 46 | Township |
| West Newman | 13 | 47 | 49 | 0% | 2 | 27 | Township |
| South Branch | 14 | 37 | 38 | 0% | 1 | 36 | Township |
Fullerton is the largest city in Nance County, with a population of 1,197.
South Branch is the smallest city in Nance County, with a population of 37.
There are 14 cities in Nance County, Nebraska.