| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Summersville | 1 | 3,270 | 3,422 | -0.82% | 729 | 4 | City |
| Richwood | 2 | 1,584 | 1,663 | -0.88% | 984 | 2 | City |
Summersville is the largest city in Nicholas County, with a population of 3,270.
Richwood is the smallest city in Nicholas County, with a population of 1,584.
There are 2 cities in Nicholas County, West Virginia.