9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Winnemucca | 1 | 8,167 | 8,402 | -0.57% | 836 | 9.77 | City |
| Grass Valley | 2 | 1,197 | 967 | 0.17% | 35 | 34.51 | CDP |
| Fort McDermitt | 3 | 232 | 310 | -3.33% | 13 | 17.97 | CDP |
| Golconda | 4 | 169 | 76 | -1.74% | 100 | 1.69 | CDP |
| Paradise Valley | 5 | 149 | 157 | 2.05% | 44 | 3.42 | CDP |
| Orovada | 6 | 72 | 69 | -7.69% | 3 | 22.18 | CDP |
| McDermitt | 7 | 54 | 95 | -12.9% | 34 | 1.57 | CDP |
| Valmy | 8 | 44 | 85 | 7.32% | 214 | 0.21 | CDP |
| Denio | 9 | 19 | 0 | 5.56% | 41 | 0.46 | CDP |
Winnemucca is the largest city in Humboldt County, with a population of 8,167.
Denio is the smallest city in Humboldt County.
There are 9 cities in Humboldt County, Nevada.