2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Summersville | 1 | 3,301 | 3,424 | -0.75% | 736 | 4 | City |
| Richwood | 2 | 1,593 | 1,661 | -0.87% | 989 | 2 | City |
Summersville is the largest city in Nicholas County, with a population of 3,301.
Richwood is the smallest city in Nicholas County, with a population of 1,593.
There are 2 cities in Nicholas County, West Virginia.